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3 years ago

14

12 9 6 3 60 45 30 15 what is the constant of proportionality

1 answer:

Mice21 [21]3 years ago

6 0

Answer:

5

Step-by-step explanation:

A constant of proportionality is the ratio that forms between each x y pair as the fraction y/x. In a proportional relationship it is constant or the same every time.

60/12 = 5

45/9 = 5

30/6 = 5

15/3 = 5

The constant of proportionality is 5.

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Nate and his friends are building a skateboard ramp for an upcoming contest. The length of the ramp on the blueprint is 7.6 inch

ICE Princess25 [194]

Answer:

30.4 feet.

Step-by-step explanation:

We have been given the length of the ramp on the blueprint is 7.6 inches. The scale on the blueprint is 1 inch to 4 feet. We are asked to find the actual length of the ramp.

We will use proportions to solve our given problem as:

$\frac{\text{Actual length}}{\text{Scale length}}=\frac{4\text{ ft}}{1\text{ inch}}$

Now, we will substitute the scale length of ramp in our proportion as:

$\frac{\text{Actual length}}{7.6 \text{ Inches}}=\frac{4\text{ ft}}{1\text{ inch}}$

$\frac{\text{Actual length}}{7.6 \text{ Inches}}\cdot 7.6 \text{ Inches}=\frac{4\text{ ft}}{1\text{ inch}}\cdot 7.6 \text{ Inches}$

$\text{Actual length}=4\text{ ft}\cdot 7.6$

$\text{Actual length}=30.4\text{ ft}$

Therefore, the actual length of the ramp would be 30.4 feet.

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3 years ago

Consider the sequence: -7, -2, 3, 8…. What is f(7)?

wlad13 [49]

You are adding by 5 in the sequence.
If f(1) is -7
f(2) = -2
f(3)= 3
f(4)=8
f(5)=13
f(6)=18
Therefore, f(7)=23

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2 years ago

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Juli2301 [7.4K]

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Answer:

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Step-by-step explanation:

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