2 years ago

What is the constant of proportionality in y=5x

Mathematics

1 answer:

-BARSIC- [3]2 years ago

8 0

Answer:

5

Step-by-step explanation:

General equation of direct variation:

y = kx,

where k is the constant of proportionality.

In your case, you have

y = 5x, so 5 is the constant of proportionality.

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X + 2y = 7 3x - 2y = -3

VladimirAG [237]

Use Subtraction

1. Subtract
x+2y=7
3x-2y=-3
-------------
4x+0y=4 SIMPLIFY 4x=4

2. DIVIDE

4x=4
x=1

Substitute that into either of the original equations to get x=1, y=3

4 0

3 years ago

If f(x)=4x and g(x)=2x-1 what is g(f(-2))

azamat

F(-2) = 4x(-2) = -8;
g(f(-1))= g(-8) = 2x(-8) -1 = -16 - 1 = -17.

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3 years ago

Choose the best estimate for the division problem below. 38.064/6.12 A. 9 B. 4. c. 6

Oliga [24]

Answer:

c.6

Step-by-step explanation:

I would estimate 6.12 to 6 and 38.064 because I know 36 is a common denominator of 6. 36/6=6

Hope this helps.

3 0

2 years ago

Write an equation and use it to solve this question.

HACTEHA [7]

C. five sixth meters

5 0

2 years ago

Read 2 more answers

Simplify the radical

mamaluj [8]

Answer:

$9d^3$

Step-by-step explanation:

$~~~\sqrt{81 d^6}\\\\=\left(81 d^6 \right)^{\tfrac 12}\\\\=\left(81\right)^{\tfrac 12} \cdot \left(d^6 \right)^{\tfrac 12}\\\\=\left(9^2 \right)^{\tfrac 12} \cdot d^{\tfrac 62}\\\\=9d^3$

4 0

1 year ago