y'all I need help asap

Y'all I Need Help Asap

Answers

Answer 1

Answer:

Let's solve for x.

4x+5y=7

Step 1: Add -5y to both sides.

4x+5y+−5y=7+−5y

4x=−5y+7

Step 2: Divide both sides by 4.

4x/4=−5y+7/4

x=−5/4 y+ 7/4

Answer: for the first one x=−5/4 y+ 7/4

3x−2y=−12

Step 1: Add 2y to both sides.

3x−2y+2y=−12+2y

3x=2y−12

Step 2: Divide both sides by 3.

3x/3=2y−12/3

x=2/3y−4

Answer:

x=2/3y−4

Step-by-step explanation:


Related Questions

Which of the following is true?

|−6| < 5
|−6| < |5|
|−5| < |−6|
|−5| < −6

Answers

Answer:

Answer vary :

|-5| < |-6|

Step-by-step explanation:

honestly in my opinion that’s the answer.

‘these lines | change a negative number to a positive so if it changes -5 and -6 to positives.

wich makes |-5| < |-6| the right one.

and that’s how I came to that solution.

The radius of a circle is 2 millimeters. What is the circle's area?
r=2 mm
Use 3.14 for .
sanare millin

Answers

Answer:

12.56 mm²

Step-by-step explanation:

[tex]A=\pi r^{2}[/tex]

Plug the given values into the area equation

[tex]A=3.14*2^{2}\\A=3.14*4\\A=12.56[/tex]

Therefore, the area of the circle is 12.56 mm².

I hope this helps!

A family of 5 drove to a concert. They paid $4 one time for parking and all of their tickets were the same price. They paid $99 total. What equation would represent this situation?

Answers

Answer:

5 + (18,8 × 5) = 99

Explaination

one ticket costs: (99$ - 5$) ÷ 5 = $18,8

Move words to the blanks and equations to the boxes to prove that vertical angles 21 and 23 are congruent.

Because linear pairs of angles are

and

Because angles that are

to the same angle are

it can be concluded that 21 23.

congruent

m21 +m22 = 180°

supplementary

m22 + m23 = 180°

m2l + m23 = 180°

Answers

Answer:

Because linear pairs of angles are  supplementary. m∠1 + m∠2 = 180° and m∠2 + m∠3 = 180°.

Because angles that are  supplementary to the same angle are congruent. It can be concluded that ∠1 ≅ ∠3.

Step-by-step explanation:

The correct question is attached.

Linear pairs angles are angles which are formed from the intersection of two lines and they are adjacent to each other. Linear pair angles are supplementary.

If angles are supplementary to the same angle, then they are congruent.

∠1 and ∠3 are vertical angles

∠1 and ∠2 form linear pairs while ∠2 and ∠3 form linear pairs. Therefore:

m∠1 + m∠2 = 180° (linear pair angles are supplementary)

m∠2 + m∠3 = 180° (linear pair angles are supplementary)

Hence using transitive property of equality:

m∠1 + m∠2 = m∠2 + m∠3

Using subtraction property of equality by subtracting m∠2 from both sides gives:

m∠1 = m∠3

∠1 ≅ ∠3 (vertical angles are congruent)

Because linear pairs of angles are  supplementary. m∠1 + m∠2 = 180° and m∠2 + m∠3 = 180°.

Because angles that are  supplementary to the same angle are congruent. It can be concluded that ∠1 ≅ ∠3.

Find X (the angle are X, 81, and 84)

Answers

Answer:

15

Step-by-step explanation:

the answer is 15 because a triangle has to equal 180 so all you have to do is add 81 and 84 then subtract 180 from it. like this 81+84=165 180-165=15. Hope this helps.

2 1/6 x 4 1/2 Solve the problem AND explain your steps

Answers

The answer is 9 3/4, 9.75
Explanation: 13/6 x 9/2
(reduce) 13/2 x 3/2
(Multiply 13/2 x 3/2)
39/4
(Reduce again) 9 3/4 or 9.75
Hope this helps

Divide.Enter the quotient in simplest form

7/10 divided by 4/5

Answers

Answer:

7/8

Step-by-step explanation:

7/10 divided by 4/5 = 7/10 x 5/4 = 35/40 divided by 5/5 = 7/8

the answer is 7/8 and that is in the simplest form

what is the equation of the vertical line through (2, 3) hurry! 40 points

Answers

Step-by-step explanation: The equation of a vertical line can always be written as x = the x-coordinate of the given point.

So in this case, our equation is x = 2.

Angles A and B are adjacent angles and are supplementary. The measure of ∠A is (3x+10)∘, and the measure of ∠B is (12x+35)∘.

Write an equation that can be used to determine the value of x.
Enter the correct answer in the box.

Answers

Answer:

180=12x+35+3x+10 or 180=15x+45

Step-by-step explanation:

supplementary means that they will add up to equal 180.

PLEASE HELP BCS MY TEACHER KEEPS POSTING HARD STUFF

Answers

Answer:

My estimate is D:21

Step-by-step explanation:

so sorry this answer will be 75% wrong, let me explain how i got this answer

the perimeter of triangle ADE is 12 units

Triangle ABC looks like 2 times the triangle ADE , 12 + 12 = 24 and the closest answer was D: 21

I hope i helped you in some way!

Answer:

D.21

Step-by-step explanation:

AC=8

AB=8

BC=5

Add all the sides

=21

Meaghan and Lily are dividing 43.61 by 7. Meaghan says that the first digit of the quotient is in the ones place. Lily says it is in the tens place. Who is​ right? How do you​ know?

Answers

Answer: Meaghan is right.

Step-by-step explanation:

For a number like:

123.45

the tens place would be the "2" (second number at the left of the decimal point)

The ones place would be the "3" (first number at the left of the decimal point)

Let's suppose that Lily is correct.

Then the quotient of:

43.61/7

Will be a number with two digits in the left of the decimal point.

The smallest number that meets this condition, is the number 10.

Then let's see:

7*10 = 70

then:

70/7 = 10

and:

43.61 < 70

(70 is larger than 43.61)

then:

43.61/7 < 70/7 = 10

Then:

(43.61/7) < 10

This means that our quotient is smaller than 10, then the first digit of the quotient can not be on the tens place.

Then Meaghan is the correct one.

We also could perform the quotient to find:

43.61/7 = 6.23

So yes, Meaghan is correct.

Solve the system by substitution.
x= -5y - 6
5x – 3y = -2
What’s is the solution?

Answers

The value of x is -1 and value of y is -1.

What is Equation?

Two or more expressions with an Equal sign is called as Equation.

The given equations are

x+5y=-6...(1)

5x – 3y = -2...(2)

Multiply equation 1 with 5

5x+25y=-30..(3)

Subtract equation 2 and equation 3

5x-3y-5x-25y=-2+30

-28y=28

Divide both sides by 28

y=-1

Now plug in y value in equation 1

x=5-6

x=-1

Hence, the value of x is -1 and value of y is -1.

To learn more on Equation:

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7. Which equation is graphed below?
A. y = x + 1
B. y = |x|
C. y = [x]+1
D. y =[x]

Answers

Answer:A. I hope this helped you.
Answer A

Set by step explanation: ....

5 is not more than x​

Answers

Answer:

well we don't don't know...because x is unknown

Answer:

There no problem but 5<=x in equation form

Step-by-step explanation:

That way because x can either be five or higher

what is 7 divided by 10 as a fraction

Answers

The fractional form is 7/10.

What is Fraction?

The fractional bar is a horizontal bar that divides the numerator and denominator of every fraction into these two halves.

The number of parts into which the whole has been divided is shown by the denominator. It is positioned in the fraction's lower portion, below the fractional bar.How many sections of the fraction are displayed or chosen is shown in the numerator. It is positioned above the fractional bar in the upper portion of the fraction.

Given:

We have to divide 7 by 10.

The common factor for 7 and 10

7 = 7 x 1

and, 10= 2 x 5 x 1

so, there is only one factor common is 1.

Thus, the fraction is 7/10.

Learn more about Equivalent Fraction here:

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Help please! See attached photo​

Answers

X = 20cm

Hope this helps :)

I REALLY REALLY NEED HELP ON THIS I DON'T UNDERSTAND IT!!!!!!!!!!!!!!!!!

Answers

Answer:

d

Step-by-step explanation:

in order for it to be a triangle the angles have to add up to equal 180

5+75+100=180 so its not a

10+80+90=180 so its not b

20+60+100=180 so its not c

45+45+45=135 so its d because the angles dont add up to 180

50+50+80=180 so its not e

Answer:

D

Step-by-step explanation:

To be a triangle, you have to have 180 degrees. if you add up all of the sides, it should give you 180. If it doesn't, it isn't a triangle. I hope that helped! :)

Plz consider giving me brainliest answer as I am trying to reach a new level, thanks!

I don't know how to give brainliest tho.

A cone has a height of 12 yards and a radius of 7 yards. What is its volume?

Use ​ ≈ 3.14 and round your answer to the nearest hundredth.

____ cubic yards

Answers

Answer:

615.44 cubic yards

Step-by-step explanation:

V = 1/3·π·7²·12

F(x) = 3 x 2 − 3 x − 6 The domain of a the function f(x) is { -10, -1, 1, 5 }. What is the range of the relation?

Answers

Answer:

{324, 0, -6, 54}

Step-by-step explanation:

Given that F(x) = 3x² − 3 x − 6 If the domain of a the function f(x) is { -10, -1, 1, 5 }.

To get the range, we will find f(x) for all the domains

at x = -10

f(-10) = 3(-10)²-3(-10) - 6

f(-10) = 3(100)-3(-10) - 6

f(-10) = 300+30-6

f(-10) = 330-6

f(-10) = 324

at x = -1

f(-1) = 3(-1)²-3(-1) - 6

f(-1) = 3(1)-3(-1) - 6

f(-1) = 3+3-6

f(-1) = 6-6

f(-1) = 0

at x = 1

f(1) = 3(1)²-3(1) - 6

f(1) = 3(1)-3(1) - 6

f(1) = 3-3-6

f(1) = 0-6

f(1) = -6

at x = 5

f(5) = 3(5)²-3(5) - 6

f(5) = 3(25)-3(5) - 6

f(5) = 75-15-6

f(5) = 60-6

f(5) = 54

Hence the range of the relation are {324, 0, -6, 54}

Determine which figure matches the pattern for the given base, side, and front.

Base
Side
Front

Answers

Answer:

the first one!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

A rental car company charges $21.45 per day to rent a car and $0.09 for every
mile driven. Aaliyah wants to rent a car, knowing that:
• She plans to drive 475 miles.
. She has at most $150 to spend.
Use the drop-down menu below to write an inequality representing d, the
total number of days Aaliyah can rent the car while staying within her budget.

Answers

Well she we pay 42.75 + 21.45= $64.20 that is what she will pay for the whole ride

What is 6.9-(-5)+4.1​

Answers

Answer:

16

Step-by-step explanation:

6.9+5+4.1

11+5

16

pls thanks

Answer:

16

Step-by-step explanation:

Recall that the product of a negative number and another negative number is a positive number.  Thus, -(-5) = +5, and the original expression becomes

6.9 + 5 + 4.1​.

Combining the mixed numbers 6.9 and 4.1, we get 11.

Combining 11 and 5 results in 16.

Please help right now

Answers

Answer:

C

Step-by-step explanation:

the negative sign in -0.3 implies that it is below and the only answer choice with the word below is

C: New orleans is 0.3m below sea level

The answer is C I did this on my test

i suck at fractions..............................

Answers

That would be 6 and 3/8

Simplify each expression by combining like terms
-3x + 12x =

Answers

Answer:

9x

Step-by-step explanation:

hshdhdhdxhhxhxhxhxhxhxhxhhxhxhxhhx

Answer:

9x or 15x

Step-by-step explanation:

-3x + 12x = 9x

-3 + 12 = 9,

or if you just straight out add

-3x + 12x = 15x

b) Work out 4 =
5
Give your answer as a mixed number in its simplest form.

Answers

Answer:

Step-by-step

explain your question more please.

ILL MARK YOU EXTRA POINTS PLS HELP Point A is at (-1, -9) and point B is at (2, 4).
What is the midpoint of line segment AB?

Answers

Answer:

it's (1/2, -5/2)

Step-by-step explanation:

you can use the midpoint formula.

so do -1+2/2 , -9 +4/2 and then solve and you get the answer

Determine two pairs of polar coordinates for the point (5, -5) with 0° ≤ θ < 360°

Answers

Answer:

Step-by-step explanation:

x=5

y=-5

Hence it lies in 4th quadrant.

x=r cos θ

5=r cos θ  ...(1)

y=r sin θ

-5 =r sin θ  ... (2)

square and add

(5)²+(-5)²=r²(sin ²θ  +cos ²θ  )

r²=25+25=50

r=±5√2

dividing

tan θ=-5/5=-1=-tan 45°=tan (180-45),tan(360-45)

θ=135°,315°

so polar coordinates are (5√2,315°) and (-5√2,135°)

X=5 Y=-5 is the answer I think?

It says solve for the variable can you explain

Answers

Answer:b=39 degrees

Step-by-step explanation:

We know the whole angle is a 90 degree angle because of the right angle sign. So all we have to do is subtract 51 from 90, which is 39 degrees

The graph of a function is shown on the coordinate plane below. Identify the rate of change of the function.

Answers

Answer:

5/4

Step-by-step explanation:

Rise over run you go up 5 and left 4 so 5/4 is the ROC.

The rate of change of the function is given by the slope of the line m = -4/3

What is an Equation of a line?

The equation of a line is y = mx + b where m is the slope which is the rise by run and b is the y-intercept

y = y-coordinate of second point

y₁ = y-coordinate of point one

m = slope

x = x-coordinate of second point

x₁ = x-coordinate of point one

Given data ,

Let the rate of change of the function be m

The equation is represented as A

Now , the value of A is

Let the first point be P ( 0 , 4 )

Let the second point be Q ( 3 , 0 )

Slope m = -4/3

On simplifying the equation , we get

Slope m = -4/3

Now , the equation of line is

y - 4 = ( -4/3 ) ( x - 0 )

On simplifying the equation , we egt

y - 4 = ( -4/3 )x

y = ( -4/3 )x + 4

Hence , the equation of line is y = ( -4/3 )x + 4 and the rate of change of the function is m = -4/3

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