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mamaluj [8]
2 years ago
12

The variable y has a proportional relationship with

Mathematics
2 answers:
Katena32 [7]2 years ago
8 0

Answer:

its 40

Step-by-step explanation:

Nana76 [90]2 years ago
3 0

Answer:

11

Step-by-step explanation:

Constant of proportionality, k, is the ratio of the quantity of variable y to the quantity of variable x.

Using a point on the line, (4, 44),

Constant of proportionality, k = \frac{y}{x} = \frac{44}{4} = 11.

Constant of proportionality of the graph is 11.

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A boy rides his bike at a speed of 28 miles per hour. How
sergejj [24]

Answer:

About 4 hours.

Step-by-step explanation:

Let's set up a proportion and cross multiply.

\frac{28 miles}{1 hour} = \frac{120 miles}{x}

Cross multiply.

120 = 28x

Divide by 28 on both sides.

= 4.28571428571

Round this to the nearest whole number, which is just 4. The answer is about 4 hours.

6 0
2 years ago
Can you help me with three questions?<br><br> -2x + 3<br><br> -x + 4<br><br> -x - 19
Aleksandr-060686 [28]

-2x=-3

x=1.5

-x=-4

x=4

-x=19

x=-19

Hope this helps?

6 0
3 years ago
What is the answer is it a Yes or No HELP!!! This is at test and I only need help on this problem
allsm [11]

Answer:

Yes

Step-by-step explanation:

y is said to be a function of x. where x is the independent variable and y is the dependent variable. The height of the stacks is y and the number of cups in the stack is x, so yes, we can say that the height of the stack is a function of the number of cups in the stack.

4 0
2 years ago
Solve for d: 0.5(2d-6)=0.2(4x-10)
Law Incorporation [45]

Answer:d=0.8x+1

Step-by-step explanation:

To solve 0.5(2d-6)=0.2(4x-10)

Open the brackets

We get

d-3=0.8x-2

To make d the subject of formular

d=0.8x-2+3

d=0.8x+1

7 0
3 years ago
A line intersects the points
allochka39001 [22]

Answer:

The answer would be -5. Hopefully I'm not wrong.

3 0
2 years ago
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