Solve the following equation

3(1-3x)=2(-4+7)

Answers

Answer 1

Answer:

x=-1/3

Step-by-step explanation:

3(1-3x)=2(-4+7)

Use distributive property.

3-9x=-8+14

Combine like terms.

3-9x=6

Subtract 3 from both sides.

-9x=3

Divide -9 from both sides.

x=-1/3

Hope this helps!

Please mark as brainliest if correct!

Answer 2

Answer:

The value of x is -1/3.

Step-by-step explanation:

Given equation,

→ 3(1 - 3x) = 2(-4 + 7)

Now the value of x will be,

→ 3(1 - 3x) = 2(-4 + 7)

→ 3 - 9x = 2 × 3

→ -9x = 6 - 3

→ x = 3/(-9)

→ [ x = -1/3 ]

Hence, the value of x is -1/3.


Related Questions

A rectangle has a height of 4x^3 and a width of x3+3x^2+2x.
Express the area of the entire rectangle.
Your answer should be a polynomial in standard form.

Answers

Answer:

area of recatangle= 4x^3(x^3+3x^2+2x) =4x^6+12x^5+8x^4

Solve by Elimination Algebra 2 A park charges $10 for adults and $5 for kids. How many adult tickets and kid tickets were sold, if a total of 524 tickets were sold for a total of $3860 There were _ adults and _ kids tickets sold​

Answers

Answer:

There were 248 adult tickets and 248 kid tickets.

Step-by-step explanation:

a = number of adult tickets

k = number of kid tickets

a + k = 524                                 10a + 5k = 3860

Multiply the equation on the right all the way through by -5 so that we can eliminate the k's when we add the equations together.

-5(a+ K) = 524(-5)

-5a - 5k = -2620

Add the two equations together:

-5a - 5k = -2620

10a + 5K = 3860

5a           = 1240  Divide both sides by 5

a = 248  There are 248 adult tickets.  Plug in 248 for a in either of the original equations.

a + k = 524

248 + k = 524  Subtract 248 from 524 to find the number of kid tickets.

There are 276 kid tickets.

Check:

Plug in 276 for k and 248 for adult to both equations to see if they work

a + k = 524

248 + 276 = 524

524 = 524

10a + 5k = 3860

10(248) + 5(276) = 3860

2480 + 1380 = 3860

38060 = 3860

A certain group of test subjects had pulse rates with a mean of beats per minute and a standard deviation of beats per minute. Use the range rule of thumb for identifying significant values to identify the limits separating values that are significantly low or significantly high. Is a pulse rate of beats per minute significantly low or significantly​ high?.

Answers

Answer: is this it?

Step-by-step explanation:

Taylor bought a watch on sale for 60% off the original price, and another 10% off the discounted price. If the watch originally cost $82, What was the final sale price?​

Answers

Answer: $29.52

Step-by-step explanation: 82x0.6=49.2 82-49.2=32.8 32.8x0.1=3.28

32.80-3.28=29.52

1,889 divided by 4 pls help !!

Answers

Answer:

472.25

Step-by-step explanation:

1,889 divided by 4 = 472.25

you need a calculator haha

472.25

Convert 0.000 000425 to Standard form

Answers

Answer: 4.25

 x

10

4

Step-by-step explanation:

Answer:

4.25x10^-9

Step-by-step explanation:

0.3. human iq scores are approximately normally distributed with a mean of 100 and a standard deviation of 15. the minimum iq score for the top 10% of the population.

Answers

According to the given information The highest 10% of the population's IQ is 0.0179.

Describing Standard deviation:

The root of the variability in the given group as well as ungrouped data is referred to as the standard deviation. The standardized value is the value left after subtracting the mean and dividing by the standard deviation.

z =   (x- μ) / σ

x denotes the observations (a specific value that you are calculating the z-score for).

Mu(μ) is the mean.

Sigma(σ) denotes the standard deviation.

According to the given data:

x = 131.5

μ = 200

σ = 15

So, when humans apply the values to the formula, we obtain,

=> z = 131.5 - 100 /15

=> z = 2 .10

Using table A-2, calculate the corresponding probability:

=> P(Z>2.10) = 1 − P(Z<2.10)

=> 1 − 0.9821

=> 0.0179

The top 10% of the population has a required IQ of 0.0179.

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Fill in the blanks of the number line

Answers

Step-by-step explanation:

The line should go: 0, 1/3, 2/3, 1, 1 1/3, 1 2/3, 2 or 0, 0.33, 0.66, 1, 1.33, 1.66, 2 depending on how it's needed (decimals repeating)

A side of the triangle below has been extended to form an exterior angle of 147°. Find
the value of x

Answers

Answer:

X+90 = 147 ( sum of two interior angles equals opposite/adjacent exterior angle)

X = 147 - 90

X = 57

Answer:b

eez nuts srry

Step-by-step explanation:

a student performed the following steps to find the solution to the equation . where did the student go wrong? step 1. factor the polynomial into (x 8) and (x – 6) step 2. x 8

Answers

The student is wrong in the steps of the factorization.

What do you mean by factorization in polynomial?

Factorization of polynomials, also known as polynomial factorization, is a mathematical and computer algebraic technique that combines irreducible factors with coefficients in the same domain to produce a polynomial with coefficients in a particular field or in integers.  A polynomial with coefficients in a certain field or in integers is expressed as the product of irreducible factors with coefficients in the same domain in mathematics and computer algebra, which is known as polynomial factorization.  A polynomial can be expressed as the product of its factors, where the components must have a degree that is less than or equal to the original polynomial.

The equation is given as:

x^2  + 2 x - 48 = 0

Expand the equation

x^2 + 8x - 6x - 48 = 0

Factorize the equation

x(x + 8)- 6(x + 8)

Factor out x + 2

(x + 8)(x - 6) = 0

The above means that the factored equation of x^2 + 2x - 48 = 0 is (x + 8)(x - 6) = 0

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How many numbers between two and fifty are
divisible by three?

Answers

Answer:

18

Step-by-step explanation:

because i smart it's will be 18

Hello! :) Pls help me with this math question :)) I want 5 halves of a cupcake for myself, 2 halves for my friend and 1 half for our other friend, FrostingTower would be great. Pls help!!! Ty :>

Answers

The total cupcakes that are needed will be 9 1/2.

How to calculate the fraction?

The fraction needed for yourself = 5 1/2

The fraction needed for your friend = 2 1/2

The fraction needed for your other friend = 1 1/2

The total fraction needed will be:

= 5 1/2 + 2 1/2 + 1 1/2

= 9 1/2

Therefore, the cupcakes that are needed will be 9 1/2.

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I want 5 halves of a cupcake for myself, 2 halves for my friend and 1 half for our other friend. What is the total needed?

5. Which equation's line is steeper and explain how you know

A. y = 3x + 7
B. y=x+9

Answers

Answer:

Step-by-step explanation:

A, because the slope 3 is larger than a slope of 1.

Equation A's line is steeper than equation B's line because it has a higher slope.

To determine which equation's line is steeper, we need to compare their slopes. In both equations, the coefficients of the x term represent the slope of the line.

Let's first rewrite both equations in slope-intercept form, which is of the form y = mx + b, where "m" is the slope and "b" is the y-intercept:

A. y = 3x + 7

B. y = x + 9

In equation A, the coefficient of x is 3, which means the slope of the line is 3.

In equation B, the coefficient of x is 1, which means the slope of the line is 1.

Now, to compare the slopes, we can see that the slope of equation A (3) is greater than the slope of equation B (1).

This means that the line represented by equation A is steeper than the line represented by equation B.

Hence, equation A's line is steeper than equation B's line because it has a higher slope.

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Determine whether the statement is true or false if x=8, y=2 , and z=3 .
2 x=3 y z

Answers

Given that x = 8, y = 2, and z = 3, the equation 2x = 3yz is false.

An expression is a number, variable or the combination of both put together by operation symbols while an equation is a statement that shows that two expressions are equal and is separated by an equal sign "=".

To check if the equation 2x = 3yz is true when x = 8, y = 2, and z = 3, plug in or substitute the value of each variable to the equation and evaluate.

2x = 3yz

2(8) = 3(2)(3)

16 ≠ 18

Since 16 is not equal to 18, the given values do not satisfy the equation, then the statement is not true.

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Solve the equation. Show all steps of your work and justify each step with an algebraic property of equality.
5=3x-1/4

Answers

Answer:

1 3/4

Step-by-step explanation:

so the question will be done like this

5 =3x-1/4

The (-1/4) will go to the other side where 5 is and the equation becomes

5+1/4=3x which will be

7/4=3x hence you divide both sides by 3 to get the value of x as 1 as the whole number and 3/4 as the remainder

Answer:

x = 7

Step-by-step explanation:

[tex]5=\frac{3x-1}{4}[/tex]

multiply both sides by 4 (Multiplication property of equality)

[tex]20=3x-1[/tex]

add both sides by 1 (Addition property of equality)

[tex]21=3x[/tex]

divide both sides by 3 (Division property of equality)

[tex]7 = x[/tex]

switch sides (Symmetric property of equality)

[tex]x=7[/tex]

Given that Sin A=Cos (A + 20).
Find the value of A

Answers

The value of A is 35.

How to solve trigonometry?

The given expression is as follows:

sin A = cos (A + 20)

using trigonometric rule,

sin A = cos(90 - A)

Therefore,

cos (A + 20) = cos(90 - A)

divide both sides by cos

Hence,

A + 20 = 90 - A

A + A = 90 - 20

2A = 70

divide both sides by 2

A = 70 / 2

A = 35

Therefore, the value of A is 35.

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The water depth in a harbor rises and falls over time. the function f(t) = 4.1 sine (startfraction pi over 6 endfraction t minus startfraction pi over 3 endfraction) 19.7 models the water depth, in feet, after t hours. during the first 24 hours, at what times does the water depth reach a maximum? at 5 and 17 hours at 11 and 23 hours at 2, 8, 14, and 20 hours at 5, 11, 17, and 23 hours

Answers

Answer:

Step-by-step explanation:

A function assigns the value of each element of one set to the other s/p

can anyone solve 2x-2 <6

Answers

Answer:

x<4

Step-by-step explanation:

Hello,

[tex]2x - 2 < 6[/tex]

[tex]2x < 6 + 2[/tex]

[tex]2x < 8[/tex]

[tex] \frac{2x}{2} < \frac{8}{2} [/tex]

[tex]x < 4[/tex]

In November 2010 the average cost of 5 gallons of regular unleaded gasoline in the U,S. was $14,46. What was the average cost for 16 galions

Answers

The average cost for 16 gallons is $46.272

How to calculate the cost of 16 gallons ?

The first step is to calculate the price of one gallon

5= 14.46

1= x

cross multiply

5x= 14.46

x= 14.46/5

x= 2.892

The price of 16 gallons can be calculated as follows

= 16 × 2.892

= 46.272

Hence the price of 16 gallons is $46.272

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Please help! I need help hurry please

Answers

Check out the attached photo

Answer:

Step-by-step explanation:

f(x)=x^2+1

f(x^2+1)

f(x^2+1):x^4+2x^2+2

f(f(x))=x^4+2x^2+2

2nd answer

Hope this helps!^^

Find the midpoint of the points

Answers

Answer: Midpoint=(-3, -5 1/2)

Step-by-step explanation: Using the midpoint formula (x1+y1)/2, (x2+y2)/2 we can calculate. (-2+-4)/2, (-4+-7)/2 The answer (-3, -5 1/2)

There are 100 centimeters in 1 meter. How many square centimeters are there in
1 square meter? Explain how you found your answer.

Answers

10,000 square centimeters are in 1 square meter. I found this because if there are 100cm in 1m, I squared the 100 to get 10,000.

Answer =10,000cm squared

in a recent study on the effects of sleep and test​ results, volunteers took a math test. the volunteers who had 8 hours of sleep were three times more likely to answer questions correctly on the math test than were​ sleep-deprived volunteers. complete parts a through d.

Answers

The test results of the study's subjects serve as the sample.

The portion of the population from which data was actually gathered is known as a sample.

Sample = Hours of sleep and maths test score of the volunteers that were included in the study.

How is a sample related to a population?

A population is the total group about which you want to draw conclusions. A sample is the specific group from which you will collect data. Always, the sample size is less than the whole population.

A population in research doesn't usually refer to humans. It can refer to a collection of whatever you desire to study, including things, occasions, groups, nations, species, and animals.

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.

(d² + 14d + 5) + (d - 4)

Answers

Answer:

d^2+15d+1

Step-by-step explanation:

group like terms

d^2+14d+d-4+5

simply like terms

d^2+15d+1

however, the answer is d^2+15d+1

if the length of a rectangle is (x-6) the width is (x-2) and the height (x-1), write a polynomial that is the volume of the rectangle. what if the volume is 60?

Answers

Answer: x3+5x2+6x

Hope this helps

Stephen and Paul each purchased a movie ticket at AMC Theatres for $11.00 each. Both bought a drini from the concession stand. Stephen used a $5.00 off coupon that he received in the mail. After using the coupon, their total cost before tax was $29.18. Write an equation that can be used to determine the cost of one drink. ​

Answers

The equation that can be used to determine the cost of one drink is d = $12.8 / $2.

What is the equation?

The total amount that is paid by Stephen and Paul is the sum of the total cost of the movie tickets, the cost of the drinks less the cost of the coupon.

Total amount paid = cost of two tickets + cost of the two drinks - coupon

($11 x 2) + ($d x 2) - $5 = $29.18

$22 + $2d - 5 = $29.18

$2d = $29.18 + $5 - $22

$2d = $12.18

d = $12.8 / $2

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what is the mean of 76,88,100,75,95,100

Answers

Answer:89

Step-by-step explanation:add them all together and divide by however many numbers you have

Answer:

Hello, Hope your having a good day

Step-by-step explanation:

your Question; what is the mean of 76,88,100,75,95,100

The mean is 89

Median: 91.5

Mode: 100

What is a mean?

The mean of a data set is commonly known as the average. You find the mean by taking the sum of all the data values and dividing that sum by the total number of data values.

Hope this helped :)

pls like

16x + 9 = 9y - 2x
need the step and answer.

Answers

The solution for x and y for the given expression are :

x =1/2y + −1/2 and y=2x+1 respectively.

What is Algebraic expression ?

Algebraic expressions are the idea of expressing numbers using letters or alphabets without specifying their actual values. The basics of algebra taught us how to express an unknown value using letters such as x, y, z, etc. These letters are called here as variables. An algebraic expression can be a combination of both variables and constants. Any value that is placed before and multiplied by a variable is a coefficient.

Here, the given equation is : 16x + 9 = 9y - 2x

Now,

solving for x :

16x+9=9y−2x (Add 2x to both sides.)

16x+9+2x=−2x+9y+2x

18x+9=9y

18x+9+−9=9y+−9 (Add -9 to both sides)

18x=9y−9

18x/18 = 9y−9/18 (Divide both sides by 18.)

x =1/2y + −1/2

solving for y :

16x+9=9y−2x

−2x+9y=16x+9 (Flip the equation.)

−2x+9y+2x=16x+9+2x (Add 2x to both sides.)

9y=18x+9

9y/9=18x+9/9 ( Divide both sides by 9.)

y=2x+1

Therefore, the solution for x and y for the given expression are :

x =1/2y + −1/2 and y=2x+1 respectively.

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some aspects of the spline smoothing approach to non-parametric regression curve fitting (with discussion).

Answers

Regression without parameters using smoothing splines A scatterplot's data is smoothed by fitting a smooth curve to it. Will initially concentrate on two variable issues: OneX Yand Will eventually include more than two predictors. Our example: Where "1; "1;::: "are independent from me," yi=f(xi) + I.

What is a non-parametric regression?

The appealing, adaptable, and widely-used method of non-parametric regression uses cubic splines for curve estimation. Although the fundamental concept was developed many years ago, the approach is maybe not as well recognized or used as it could be. This paper's topics and examples are meant to increase comprehension and broaden the applicability of the spline smoothing technology. The fundamentals of the method, its relationship with moving averages and other smoothing techniques, the automatic selection of the degree of smoothing, and the use of residuals for model adaption and diagnostic testing are just a few of the specific topics covered. A finite-dimensional Bayesian framework is used to address the issue of offering inference areas for curves and for pertinent curve attributes.

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A student ran a distance of 3 miles each day for 5 days. Then the student ran a distance of
4 miles each day for the next 5 days.
What was the total distance in miles the student ran during these 10 days?
4
th

Answers

Answer:

40

Step-by-step explanation:

If the student ran 4 miles for 5 days multiply 4 by 5 and you get 20. Then just do the same thing for 5 more days. Also, 20.  Then add 20 + 20 and you get 40

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