please answer this asap please

Please Answer This Asap Please

Answers

Answer 1

Answer:

x=3
y=4

Step-by-step explanation:

y=3x-9
5x+4y=32

You substitute what y is into the equation:
5x + 4(3x - 9) = 32
5x + 12x - 36 = 32
17x - 36 = 32
17x = 68
x = 4
Now you substitute x into y:
y = 3x - 9
12 - 9 = 3
y = 3

Please Answer This Asap Please

Related Questions

Baylie, you 16 inches of tape to make a square on the floor. She made a rectangle with the same amount of tape and has a width 1/2 of the square what is the length

Answers

After answering the given query, we can state that The square is 6 inches long as a result.

what is a square?

According to Euclidean mathematics, a square has four equal sides and four equal angles, making it an equilateral quadrilateral. Another name for it is a rectangle with two adjacent edges that are the same length. An equilateral quadrilateral is one that has four equal sides and four equal angles, like a rectangle. 90 degree or straight angles are square angles. The square's diagonals are also divided at a 90-degree angle and are evenly spaced. a rectangle with two equal edges that is adjacent. a quadrilateral with four equal edges and right angles on all four sides. a parallelogram with two adjacent sides that are equal and make a right angle. rhombus with square sides.

Let's use the symbol x inches to represent the square's edge length.

The square's circumference, or the overall length of tape used, is 16 inches. Therefore:

4x = 16

When we simplify the solution, we obtain:

x = 4

Thus, the cube has sides that are 4 inches long.

Let's think about the parallelogram now. Its breadth is stated to be half the square, which translates to:

breadth equals 1/2 * 4 inches.

2 (length plus width) equals 16.

The result of substituting the number of the width we just discovered is:

length plus 2 equals 16,

When we simplify the solution, we obtain:

lenght + 2 equals 8

By taking 2 away from both edges, we arrive at:

width = 6

The square is 6 inches long as a result.

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How to write a real life situation for the inequality * ≥ 5.

Answers

We can say that after answering the offered question We may simulate inequality and address numerous issues in disciplines like economics, engineering, and science by employing variables and inequalities.

What is inequality?

In mathematics, an inequality is a non-equal connection between two expressions or values. As a result, imbalance leads to inequity. In mathematics, an inequality connects two values that are not equal. Inequality is not the same as equality. When two values are not equal, the not equal symbol is typically used (). Various disparities, no matter how little or huge, are utilised to contrast values. Many simple inequalities can be solved by altering the two sides until just the variables remain. Yet, a lot of factors contribute to inequality: Negative values are divided or added on both sides. Exchange left and right.

Choose a scenario where a specific number or quantity must be larger than or equal to 5 for a specific condition to be satisfied in order to write a real-life circumstance for the inequality * 5.

Another illustration might have to do with a fitness objective. The inequality in this case would be " 5," meaning that you must weigh less than or equal to 5 in order to reach your objective.

Inequalities are typically employed to symbolise restrictions or limitations in real-world contexts, such as minimum or maximum demands, financial restraints, or safety standards. We may simulate and address numerous issues in disciplines like economics, engineering, and science by employing variables and inequalities.

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5. Just before the presidential election in November 2016, a local newspaper conducted a poll of registered voters in a large city and found that 120 out of a random sample of 250 men intended to vote for Donald Trump and 132 out of a random sample of 240 women intended to vote for Donald Trump. (a) Is there convincing evidence that there is a difference in the proportion of all men and the proportion of all women in this city who intended to vote for Trump at the a = 0. 05 significance level? (b) Based on your conclusion in part (a), which mistake, a Type I error or a Type Il error, could you have made? Interpret this error in context

Answers

A Type I error that could have been made in this case would be concluding that there is no difference between the proportions of men and women who intended to vote for Trump when in reality there was a difference.

(a) Yes, there is convincing evidence that there is a difference in the proportion of all men and the proportion of all women in this city who intended to vote for Trump at the a = 0. 05 significance level. The p-value of this test is 0.023, which is less than the significance level of 0.05, suggesting that the difference between the proportions of men and women who intended to vote for Trump is statistically significant.

(b) If we had concluded that there was no difference in the proportions of men and women who intended to vote for Trump when there actually was a difference, we would have made a Type I error. This error refers to rejecting the null hypothesis when it is actually true. In this context, a Type I error would mean concluding that there is no difference between the proportions of men and women who intended to vote for Trump when in reality there was a difference.

This answer concludes that there is convincing evidence that there is a difference in the proportion of all men and the proportion of all women in this city who intended to vote for Trump at the a = 0.05 significance level.

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4. What is the area of the kite? Round to the nearest tenth.

90

5 in

5 in.

60°

17. 1 in

27. 1 in 2

Ob

Ос

Od

23. 4 in2

12. 4 in2

Answers

Therefore , the solution of the given problem of area comes out to be the kite's surface size is roughly 42.8 square inches. (A) 90 is the best match, but it's not the right response.

Explain area.

Calculating how much room is needed to fully cover the outside will reveal its overall size. When calculating a trapezoidal shape's surface, the immediate environs are taken into account. The surface area of something determines its overall measurements. The internal water capability of a cuboid is given by the total of the borders connected to each of its six rectangular edges.

Here,

The following method must be used to determine a kite's area:

=>  Diagonal 1 x Diagonal 2 / 2 =  Area

where "diagonal 1" and "diagonal 2" denote the kite's two diagonal lengths, respectively.

We can see from the provided illustration that:

=>  17.1 inches are the length of Diagonal 1 (OD).

The length of Diagonal 2 (OS) is 5 inches.

We can enter these numbers into the formula to determine the area:

=> Area = (17.1 x 5) / 2 Area

=>  (diagonal 1 x diagonal 2) / 2 Area

=> 42.75

To the closest tenth, we round and obtain:

=> Area ≈ 42.8

Consequently, the kite's surface size is roughly 42.8 square inches. (A) 90 is the best match, but it's not the right response.

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What is the range of the function f(x) = |x| – 3? {f(x) ∈ ℝ | f(x) ≥ –3} {f(x) ∈ ℝ | f(x) < –3} {f(x) ∈ ℝ | f(x) ≤ –3} {f(x) ∈ ℝ | f(x) > –3}

Answers

The range of f(x) is {f(x) ∈ ℝ | f(x) ≥ –3}, which means that the possible values of f(x) are all real numbers greater than or equal to –3.

The range of a function is the set of all possible output values.

For the function f(x) = |x| – 3, we can think about the possible values that f(x) can take on.

First, consider the absolute value. For any input x, the absolute value |x| is always non-negative, so |x| – 3 is at least –3.

Next, think about the effect of subtracting 3. This shifts all the values down by 3 units. So the range of f(x) is all the values that can be obtained by subtracting 3 from the absolute value of x.

Therefore, the range of f(x) is {f(x) ∈ ℝ | f(x) ≥ –3}, which means that the possible values of f(x) are all real numbers greater than or equal to –3.

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Which expression is equivalent to (3 x minus 5 y) + (x + 2 y)?

4 x minus 7 y

4 x minus 3 y

4 x + 3 y

4 x + 7 y

Answers

4 x minus 3 y is the expression which is equivalent to (3 x minus 5 y) + (x + 2 y)?

To simplify the expression (3x - 5y) + (x + 2y), we can combine the like terms.

Starting with the x-terms, we have 3x + x = 4x.

Moving on to the y-terms, we have -5y + 2y = -3y.

Therefore, the simplified expression is 4x - 3y, which is equivalent to option B.

We can check this by plugging in some values for x and y. For example, if x = 2 and y = 1, then:

(3x - 5y) + (x + 2y) = (3(2) - 5(1)) + (2 + 2(1)) = (6 - 5) + (2 + 2) = 3 + 4 = 7.

And using the simplified expression, we get:

4x - 3y = 4(2) - 3(1) = 8 - 3 = 5.

So we can see that both expressions give the same result, confirming that option B is equivalent to the given expression.

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Answer

          4x-3y

(。・∀・)ノ゙

Step-by-step explanation:

A person invested $ 790 in an account growing at a rate allowing the money to double

every 13 years. How much money would be in the account after 30 years, to the

nearest dollar?

Answer:

Submit Answer

attempt i out of

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Answers

A doubling equation in exponential growth can be used to solve the question. The amount after 30 years will be $3911.22

The growth rate is governed by exponential equation. Doubling equation means to the time needed to make the initial amount double. If the number of years and doubling time given, then the doubling equation is,

 P = P₀[tex](2)^{t/d}[/tex]

P is the final amount

P₀ is the initial amount

t is the time in years

d is the doubling time

P₀ = 790  t= 30  d= 13

P = 790 [tex](2)^{30/13}[/tex]

  = 3911.21506157

So the amount after 30 years will be $3911.22

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What is the product of 3x – 4 and 5x^2–2x+6. Write your answer in standard form.
Part a: SHOW WORK
Part b: Is the product of 3x – 4 and 5x^2–2x+6 equal to the product of 4 – 3x and 5x^2 – 2x + 6? EXPLAIN.

20 points, please show work. Thanks.

Answers

We can see that the signs of the coefficients are different for the terms with x, so the two products are not equal.

What is Algebraic expression ?

In mathematics, an algebraic expression is a combination of variables, constants, and mathematical operations, such as addition, subtraction, multiplication, and division, that represents a quantity or a relationship between quantities.

Part a:

To find the product of (3x – 4) and (5[tex]x^{2}[/tex]  – 2x + 6), we need to distribute each term in the first expression to each term in the second expression, and then combine like terms.

(3x – 4) (5[tex]x^{2}[/tex] – 2x + 6)

= 3x(5[tex]x^{2}[/tex] ) – 3x(2x) + 3x(6) – 4(5[tex]x^{2}[/tex] ) + 4(2x) – 4(6)

= 15[tex]x^{3}[/tex]– 6[tex]x^{2}[/tex]  + 18x – 20[tex]x^{2}[/tex]  + 8x – 24

= 15[tex]x^{3}[/tex] – 26[tex]x^{2}[/tex]  + 26x – 24

Therefore, the product of (3x – 4) and (5[tex]x^{2}[/tex]  – 2x + 6) is equal to 15x^3 – 26[tex]x^{2}[/tex]  + 26x – 24 in standard form.

Part b:

No, the product of (3x – 4) and (5[tex]x^{2}[/tex]  – 2x + 6) is not equal to the product of (4 – 3x) and (5[tex]x^{2}[/tex]  – 2x + 6).

(4 – 3x) (5[tex]x^{2}[/tex]  – 2x + 6)

= 4(5[tex]x^{2}[/tex] ) – 4(2x) + 4(6) – 3x(5[tex]x^{2}[/tex] ) + 3x(2x) – 3x(6)

= 20[tex]x^{2}[/tex] – 8x + 24 – 15[tex]x^{3}[/tex] + 6[tex]x^{2}[/tex]  – 18x

= -15[tex]x^{3}[/tex]+ 26[tex]x^{2}[/tex]  - 26x + 24

Therefore, We can see that the signs of the coefficients are different for the terms with x, so the two products are not equal.

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If AB represents 300%, what is the length of a line segment that represents 100%? ​

Answers

Answer:

If AB represents 300%, the length of a line segment that represents 100% is equal to one-third of the length of AB or simply 100%.

Step-by-step explanation:

If AB represents 300%, then AB is three times the length of a line segment that represents 100%.

So if we let the length of the line segment that represents 100% be x, then we can write:

AB = 3x

Solving for x, we get:

x = AB/3

Since AB represents 300%, we know that AB is three times the size of a line segment that represents 100%. Therefore, x is equal to one-third of AB, or:

x = AB/3 = (300%)/3 = 100%

So the length of a line segment that represents 100% is equal to one-third of the length of a line segment that represents 300%, or simply 100%.

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The ratio of x to y is 5 to 6 , and the ratio of z to y is 7 to 3. What is the ratio of x to z ?

Answers

The ratio of x to z is equal to 15 : 42.

What is a ratio?

In Mathematics, a ratio can be defined as a mathematical expression that's used to denote the proportion of two (2) or more quantities with respect to one another and the total quantities.

Based on the information provided above, we have the following ratio parameters:

x : y = 5 : 6 ⇒ x/y = 5/6

z : y = 7 : 3 ⇒ z/y = 7/3

Therefore, we can logically deduce the following:

x/z = x/z × y/y

x/z = x/y × y/z

x/z = 5/6 × 3/7

x : z = 15 : 42

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assuming the difference shown in the table remains constant over a 40 year career, approximately how much more does a man with a bachelors degree earn more than a man with a highschool education

high school degree, associates degree, bachelors degree, professional degree

women: $21,113 hs, $39,286 associates, $49,108 bachelor
$80,718 professional

men $40,447 hs, $ 50,928 associates, $ 66,196 bachelors
$119,474 professional



Assuming the difference shown in the table remains constant over a 40 year career difference approximately how much less does a women with a bachelors degree earn than a women with a professional degree?


As a percentage how much more does a man with a bachelors degree earn than a women with a bachelors degree? Assuming that the difference remains the same over a 40 year career, how. much more does the man earn than the women?

Answers

1. A man with a bachelοr's degree earns apprοximately $25,749 mοre per year than a man with a high schοοl educatiοn.

2. A wοman with a prοfessiοnal degree earns apprοximately $31,610 mοre per year than a wοman with a bachelοr's degree.

3. A man with a bachelοr's degree earns apprοximately 34.8% mοre than a wοman with a bachelοr's degree.

What is Percentage?

Percentage can be calculated by dividing the value by the tοtal value, and then multiplying the result by 100. Percentage is a number οr ratiο expressed as a fractiοn οf 100. It is οften denοted using the percent sign, "%".

Bachelοr's degree: $66,196

High schοοl educatiοn: $40,447

Difference: $25,749

Therefοre, a man with a bachelοr's degree earns apprοximately $25,749 mοre per year than a man with a high schοοl educatiοn.

Prοfessiοnal degree: $80,718

Bachelοr's degree: $49,108

Difference: $31,610

Therefοre, a wοman with a prοfessiοnal degree earns apprοximately $31,610 mοre per year than a wοman with a bachelοr's degree.

Difference in average earnings fοr men and wοmen with a bachelοr's degree: $66,196 - $49,108 = $17,088

Average earnings fοr wοmen with a bachelοr's degree: $49,108

Percentage difference: ($17,088 / $49,108) x 100 = 34.8%

Therefοre, a man with a bachelοr's degree earns apprοximately 34.8% mοre than a wοman with a bachelοr's degree. Over a 40-year career, this translates tο a difference οf apprοximately $683,520 in earnings ($17,088 x 40).

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What is the scale factor on the map?

Answers

For the given map, the scale factor is shown as 1 unit = 557 miles or 1:557.

What is a scale factor?

The ratio of the scale of an original thing to a new object that is a representation of it but of a different size is known as a scale factor. The scale factor of a shape refers to the amount by which it is increased or shrunk. It is applied when a 2D shape, such as a circle, triangle, square, or rectangle, needs to be made larger. The ratio of one unit of distance on a map to the comparable distance on the ground is commonly used to describe a map's scale. The ratio of a distance on a map to its actual distance on the ground is known as the map scale.

Here it is given at the bottom of the map:

1 unit = 557 miles.

This is the scale factor of the map.

The unit is not mentioned. So the 1 unit can be in cm, m,  inches and so on. This unit is equal to 557 miles on the ground.

So if the distance between two places is 20 cm on the map, then the actual distance is 20*557 = 11,140 miles.

Therefore for the given map, the scale factor is shown as 1 unit = 557 miles or 1:557.

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Need some help in math

Answers

Answer:

A)

Step-by-step explanation:

When reflecting over the X-axis, you change the sign on the number in the Y's position(+ - and vice versa).

Answer:

A

Step-by-step explanation:

under a reflection in the x- axis

a point (x, y ) → (x, - y ) , then

(- 1, 6 ) → (- 1, - 6 )

(- 3, 2 ) → (- 3, - 2 )

8. The area of a square is between 30 cm² and 31 cm². Estimate the side length to the nearest tenth of a centimetre. Is your estimate reasonable? How do you know?​

Answers

The side length to the nearest tenth of a centimeter is 5.57

What is a square?

A square is a closed two-dimensional shape (2D shape) with four sides that are equal and parallel to each other.  also, In Euclidean Euclidean geometry, a square is a regular quadrilateral which means that it has four equal sides and four equal angles (90-degree angles, π/2 radian angles, or right angles)

The range of the sides is 30 to 31

the area of a square is

A = l² where l = length of side

√30 = l

L= 5.48 or

l = √31 = 5.57

The side length is the mean of the range of numbers

l = (5.48+5.57)/2  = 5.53

My estimate is reasonable because 5.53² = 30.5809 which is a number between 30 and 31

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Due to the fact that a square's area is proportionate to its square of side length, a minor change in the area corresponds to a small change in the side length, making this estimate acceptable.

Determine the reasonable estimate for the area of a square.

Let's call the side length of the square "s". We know that the area of the square is between 30 cm² and 31 cm², so we can write:

30 < s² < 31

Taking the square root of all three sides of this inequality, we get:

√30 < s < √31

Using a calculator, we can approximate the square roots to the nearest tenth of a centimeter:

√30 ≈ 5.5

√31 ≈ 5.6

So, we can estimate that the side length of the square is between 5.5 cm and 5.6 cm, to the nearest tenth of a centimeter.

This estimate is reasonable because the area of a square is proportional to the square of its side length, so a small change in the area corresponds to a small change in the side length.

Since the difference between the upper and lower bounds of our estimate is only 0.1 cm, it makes sense that the area of the square is very close to the given range.

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Find the values of variables and the measures of the indicated angles.

Answers

The value of the variable x is 253 degrees

How to determine the value of the variable x

From the question, we have the following parameters that can be used in our computation:

Circle and intersecting tangent lines

Using the theorem of angle between intersecting tangents and arcs, we have the following equation

1/2 * (x - 360 + x) = 73

Multiply by 2

(x - 360 + x) = 146

So, we have

2x - 360 = 146

Evaluate the like terms

2x = 506

Divide by 2

x = 253

Hence, the value of x is 253 degrees

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Please ASAP Help
Will mark brainlest due at 12:00​

Answers

Answer: C

Step-by-step explanation:

Find the positive difference between the x and y values to get the other end pt.

[tex]1-(-3)\\1+3\\4[/tex]

Which represents the change in x.

[tex]-2-(-8)\\-2+8\\6[/tex]

Change in y

Add the change to the x and y coordinates to the coordinates of the midpoint and that will be the answer

[tex](1+4,-2+6)\\(5,4)[/tex]

Which is Option C

Answer:

A. F(5,4)

Step-by-step explanation:

x(E) = [x(D) + x(F)]/2

2(1) = -3 + x(F)

x(F) = 2 + 3 = 5

y(E) = [y(D) + y(F)]/2

2(-2) = -8 + y(F)

y(F) = -4 + 8 = 4

=> F(5,4)

Solve this system of equations using the substitution method.
y = 2x
- 3x - 15 = y

Answers

Answer:

x = -3

y = -6

Step-by-step explanation:

We are given the following system of equations:

y = 2x

-3x - 15 = y

We can use the substitution method to solve this system.

Substitute y = 2x from the first equation into the second equation and solve for x:

-3x - 15 = 2x

-5x = 15

x = -3

Now that we have found x, we can use the first equation to find y:

y = 2x = 2(-3) = -6

Therefore, the solution to the system of equations is (x, y) = (-3, -6).

Help me please thank you if you do

Answers

The statement "If I make more money than the cost of the ingredients, then the following is true, c > 1 and c < 13" provides support for Jane's claim that she must sell at least one but no more than 12 cakes to make a profit.

What is statement ?

A statement is a declarative sentence that expresses a fact, an opinion, or a proposition that can be either true or false. It is a linguistic expression that can be either a complete sentence or a part of a sentence, and it conveys a meaning that can be evaluated as true or false.

The statement that provides support for Jane's claim is:

"If I make more money than the cost of the ingredients, then the following is true, c > 1 and c < 13"

This statement implies that if Jane makes more money than the cost of the ingredients, then she must have sold at least one cake (since c > 1) but not more than 12 cakes (since c < 13). This makes sense because if she sells fewer than one cake, she will not make any profit, and if she sells more than 12 cakes, the profit she makes per cake will be reduced since the cost of the ingredients is fixed.

The other statements do not provide support for Jane's claim:

"She cannot sell less than 0 cakes, so c must be >= 0" is true, but it does not provide any information about the range of values for c that support Jane's claim.

"| e = 0 then she has not lost or earned any money." is true, but it does not provide any information about the range of values for c that support Jane's claim.

"c = 1 then she has earned a small amount of money." is true, but it only provides information about one specific value of c, not a range of values that support Jane's claim.

"c equals a negative integer then she did not sell any cakes" is true, but it only provides information about one specific value of c, not a range of values that support Jane's claim. Additionally, the statement is not relevant to Jane's claim since negative values of c are not included in the range c > 1 and c < 13.

Therefore, the statement "If I make more money than the cost of the ingredients, then the following is true, c > 1 and c < 13" provides support for Jane's claim that she must sell at least one but no more than 12 cakes to make a profit.

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(2/3)y - 4 ≥ 2
Help, Due Today

Answers

The inequality expression (2/3)y - 4 ≥ 2 when evaluated is y ≥ 3

How to evaluate the inequality

Inequality expressions are those statements in mathematics that use symbols like <, >, ≤, or ≥ to compare two values.

From the question, we have the following inequality expression given as

(2/3)y - 4 ≥ 2

Add 4 to both sides of the inequality

So, we have the following representation

2/3y ≥ 2

Multiply both sides of the inequality expression by 3/2

y ≥ 3

Hence, the solution to the given inequality expression is y ≥ 3

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Peter buys tickets for his family to see his favorite movie, Elephant Mistake. He pays
$37.50 for 2 adult tickets and 2 student tickets. The next week he goes back with
his friends and pays $35.25 for 1 adult ticket and 3 student tickets. Choose the
system of equations that can be solved to find the price of an adult ticket, a, and
the price of a student ticket, y.

Answers

2a + 2s = 37.50

a + 3s = 35.25

-2a - 6s = -70.50

-4s = -33.00

s = 8.25

2a + 2(8.25) = 37.50

2a + 16.50 = 37.50

2a = 21.00

a = 10.50

The answer is one adult ticket costs $10.50 and one student ticket costs $8.25.

HELPP PLEASE

Tell whether x and y are proportional. If so, find the constant of proportionality.
8 = xy
x and y are proportional. k=8
x and y are proportional. k = 1
x and y are proportional. k =1/8
x and y are not proportional.

Answers

Answer:

It's A. x and y are proportional. k=8

Step-by-step explanation:

x and y are proportional since they are related by the equation 8 = xy. To find the constant of proportionality, we can solve for y in terms of x:

y = 8/x

This shows that y is inversely proportional to x, and the constant of proportionality is 8.

Therefore, the correct answer is A. x and y are proportional, and the constant of proportionality is k = 8.

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Which expression is equivalent to 10>5/154x8? assume x>=0

Answers

The expression that is equivalent to 10 > 5/154x8 is x > 1/ 2464 or 2464x > 1.

To see why this works, we can first simplify 5/154x8 . We can then simplify this to 5/1232x, by multiplying 5/(154*8) by x and simplifying the result. We can then substitute this expression into the original inequality to get:

10 > 5/1232x

x > 0, which means that x is a positive number

Divide both sides by 10 and multiply by x, then

x > 5/(1232*10)

x > 1/ 2464

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The surface area of the cone is 376.8 square yards. What is the slant height of this cone ? use pie= 3.14 and round your answer to the nearest hundredth.

Answers

Answer:

14

Step-by-step explanation:

The formula is

376.8 =

A triangular pyramid has a base shaped like a right triangle. The legs of the right triangle are 2 and 2 feet long. The pyramid's height is 3 feet. What is its volume?

Answers

The volume of the triangular pyramid is 2 cubic feet.

what is triangle ?

A triangle is a 2-dimensional geometric shape that has three straight sides and three angles. The sum of the angles of a triangle is always 180 degrees.

The first step to solving this problem is to find the area of the base of the pyramid. Since the base is a right triangle, its area can be calculated using the formula for the area of a triangle:

Area of triangle = 1/2 * base * height

In this case, the base is a right triangle with legs of 2 feet, so its area is:

Area of base = 1/2 * 2 * 2 = 2 square feet

Next, we can use the formula for the volume of a pyramid to calculate the volume of the triangular pyramid:

Volume of pyramid = 1/3 * area of base * height

Substituting in the values we have, we get:

Volume of pyramid = 1/3 * 2 * 3 = 2 cubic feet

Therefore, the volume of the triangular pyramid is 2 cubic feet.

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melanie spent half of her allowance going to the movies. Then, she washed the family car and warned $10. what is her weekly allowance is she ended up with $22.50.

Answers

The weekly allowance of Melanie that she  ended up  is $65 by solving the equation formed according to the question.

What is an equation?

An equation is a mathematical statement that shows that two expressions are equal. It typically contains one or more variables and can be written using mathematical symbols such as addition, subtraction, multiplication, division, and exponentiation. An equation can also contain mathematical functions, constants, and other mathematical operations.

What are mathematical functions?

In mathematics, a function is a rule that assigns each element in one set, called the domain, to a unique element in another set, called the range or codomain. In other words, a function is a relation between two sets where each element in the domain is mapped to a unique element in the range.

Let's assume that Melanie's weekly allowance is "x".

According to the problem, Melanie spent half of her allowance going to the movies. So, she spent (1/2)x dollars at the movies.

Then, she earned $10 by washing the family car.

Therefore, her total spending is (1/2)x + $10.

Since she ended up with $22.50, we can set up an equation:

x - [(1/2)x + $10] = $22.50

Simplifying this equation, we get:

(1/2)x = $32.50

Multiplying both sides by 2, we get:

x = $65

Therefore, Melanie's weekly allowance is $65.

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There’s a spinner with 12 equal areas numbered one through 12 if the spinner is one one time what is the probability that the result is a multiple of five and a multiple of two

Answers

The probability that the result is a multiple of five and a multiple of two is 1/3, since there are only three multiples of five and two that can be produced on the spinner: 10, 6, and 2.

The spinner has 12 equal areas, numbered one through 12. The probability of getting a multiple of five and a multiple of two on one spin is 1/3, since there are only three multiples of five and two that can be produced: 10, 6, and 2. To calculate this probability, we need to look at the total number of possible outcomes and divide it by the number of outcomes that are multiples of five and a multiple of two. In this case, the total number of outcomes would be 12, and the number of outcomes that are multiples of five and a multiple of two is three (10, 6, and 2). Dividing 12 by 3 gives us the probability of 1/3.

Total number of outcomes = 12

Number of outcomes that are multiples of five and two = 3 (10, 6, and 2)

Probability = 3/12 = 1/3

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Consider the difference below.

x-3/x^2-x-5 - 5/8x
Place the steps require to simplify the given difference of two expressions into one, simplified rational expression in the correct order.

Answers

Answer:

x=3/8

Step-by-step explanation:

^2×5×3÷5/8=×3/8

Elvis chooses three DIFFERENT numbers .
- The sum of the three numbers is 24.
- one of the numbers is a square number.
The other 2 numbers are factors of 20.

FIND THE 3 NUMBERS CHOSEN BY ELVIS..

To get the answer i need the full working out and the answer

Answers

Answer: 16+4+4

Step-by-step explanation: The answer is 16, 4, and 4.

Square values in 24 are 4,9, and 16.

You can take a look at this and see that a factor of 24 is 4.

You can do 16+4+4.

Hope this helps!

-You Brainly Helper!

pls explain bcs i have a test tomorrow

Answers

In respοnse tο the given questiοn, we can state that As a result, the functiοn turning pοints are ((4/3), -4/(3(4/3))) and (-(4/3), 4/(3(4/3))). With this data, we can draw the graph οf y = x³ - 4x shοwn in οptiοn (D).

What is functiοn?

Mathematicians examine numbers and cοmplex variatiοns, equatiοns and assοciated structures, fοrms and their lοcatiοns, and prοspective pοsitiοns fοr these things. The term "functiοning" signifies the cοnnectiοn between a cοllectiοn οf inputs, each οf which has a cοrrespοnding οutput.

A functiοn is a cοnnectiοn οf inputs and results in which each input leads tο a single, identifiable οutcοme. Each functiοn is assigned a dοmain, a cοdοmain, οr a scοpe. The letter f is widely used this tο denοte functiοns (x). The symbοl fοr admissiοn is an x. The fοur primary types οf usable functiοns are οn οperatiοns, οne-tο-οne capabilities, sο multiple functiοnality, in capabilities, and then οn functiοns.

Optiοn (D) is a design that might depict the graph οf y = x³ - 4x since it cοntains a single hump with a rοοt at x = 0 and intersects the y-axis at y = 0.

We may use the fοllοwing prοcedures tο sοlve the functiοn y = x³ - 4x:

The value οf the y-intercept is (0, 0).

We set y = 0 and sοlve fοr x tο determine the x-intercepts:

[tex]x^3 - 4x = 0[/tex]

[tex]x( x^2 -4) = 0[/tex]

[tex]x = 0 , x = -2 , x = 2[/tex]

As a result, the x-intercepts are (-2, 0), (0, 0), and (2, 0).

[tex]3x^2 - 4 = 0[/tex]

x = ±√(4/3)

As a result, the turning pοints are ((4/3), -4/(3(4/3))) and (-(4/3), 4/(3(4/3))).

With this data, we can draw the graph οf y = x³ - 4x shοwn in οptiοn (D).

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a recipe calls for 2/3 of a cup of sugar for every 2 cups of flour if you are using 1.5 cups of flour how many cups of sugar will you need

Answers

If the recipe calls for 2/3 of a cup of sugar for every 2 cups of flour, then the ratio of sugar to flour is 2/3 : 2 or 2:9.

To find out how much sugar you need when using 1.5 cups of flour, we can set up a proportion:

2/9 = x/1.5

Cross-multiplying, we get:

2(1.5) = 9x

3 = 9x

x = 3/9

x = 1/3

Therefore, you will need 1/3 of a cup of sugar when using 1.5 cups of flour in this recipe.
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