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wlad13 [49]
3 years ago
6

Not sure how to solve this

Mathematics
2 answers:
swat323 years ago
6 0

Answer:

x     y

8     -2

0     0

12    3

Step-by-step explanation:

The equation you are given is:

y = \dfrac{1}{4}x

To find y, replace the given x-value in the table with x in the equation, and solve for y.

When x = -8, you get, replacing x with -8:

y = \dfrac{1}{4}(-8)

Simplify:

y = -2

This gives you the line in the table:

-8     -2

When x = 0, you get, replacing x with 0:

y = \dfrac{1}{4}(0)

Simplify:

y = 0

This gives you the line on the table:

0     0

To find x, replace the given y-value in the table with y in the equation, and solve for x.

When y = 3, you get, replacing y with 3:

3 = \dfrac{1}{4}x

Simplify:

3 \times 4 = \dfrac{1}{4}x \times 4

12 = x

This gives you the line in the table:

12     3

lesya [120]3 years ago
3 0
Answer

1) -2

2) 0

3) 12

Explanation

y = 1/4x, in order to obtain the y value you substitute the x value into the equation.

When x = -8

y = 1/4 • -8 = -2

When x = 0

y = 1/4 • 0 = 0

When you want to obtain the x value, rearrange equation then substitute the y value

y = 1/4x

Multiply both sides by 4

4y = x

When y = 3

3 • 4 = 12

<~>\_/<~> Ho_odini <~>\_/<~>


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Answer:

The slope intercept form involves solving for y, such that the equation looks like this: y = mx + b, where m is a constant representing the slope of the line, and b is a constant representing the value of the y-intercept.

Starting with the equation x+2y=6 and subtracting x from both sides gives 2y =  -x + 6.

If we then divide each term by 2, we get the final result of y = -1/2x + 3.

Here we see that the slope (m) is equal to -1/2, and the y-intercept (b) is 3.

Step-by-step explanation:

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3 years ago
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Maksim231197 [3]

Answer:

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Step-by-step explanation:

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Solve system of equations 2x + 2y + 5z = 7 6x + 8y + 5z = 9 2x + 3y + 5z = 6
svet-max [94.6K]

Answer:

the values of x, y and z are x= 2, y =-1 and z=1

Step-by-step explanation:

We need to solve the following system of equations.

We will use elimination method to solve these equations and find the values of x, y and z.

2x + 2y + 5z = 7     eq(1)

6x + 8y + 5z = 9     eq(2)

2x + 3y + 5z = 6     eq(3)

Subtracting eq(1) and eq(3)

2x + 2y + 5z = 7

2x + 3y + 5z = 6

-    -       -        -

_____________

0 -y + 0 = 1

-y = 1

=> y = -1

Subtracting eq(2) and eq(3)

6x + 8y + 5z = 9    

2x + 3y + 5z = 6    

-     -      -          -

______________

4x + 5y +0z = 3    

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Putting value of y = -1 in equation 4

4x + 5y = 3

4x + 5(-1) = 3

4x -5 = 3

4x = 3+5

4x = 8

x= 8/4

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Putting value of x=2 and y=-1 in eq(1)

2x + 2y + 5z = 7

2(2) + 2(-1) + 5z = 7

4 -2 + 5z = 7

2 + 5z = 7

5z = 7 -2

5z = 5

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3 years ago
B
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Answer:

(a) 320 cm²

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The scale factor from A to B is 8/4 = 2.

The scale factor of the areas is 2² = 4.

The scale factor of the volumes is 2³ = 8.

(a)

80 cm² * 4 = 320 cm²

(b)

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