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3 years ago

15

Geoff paddles his canoe at an average speed of 3.5 miles per hour. After 5 hours of canoeing, Geoff has traveled 18 miles. Write

an equation in slope-intercept form to find the total distance y Geoff travels after x hours.

1 answer:

andriy [413]3 years ago

7 0

Answer:

d(x) = 3.5x + 0.5

Step-by-step explanation:

3.5 x 5 = 17.5 which means the canoe began from a starting point of 0.5

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The indicated points are (1,1) and (2,3). Slope is change in y over change in x,

m = (3 - 1)/(2 - 1) = 2/1 = 2

Answer: C) 2

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4 years ago

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I need help please . 2nd box is multiply choose.

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Answer:

First box = 22.5, 45/2, or 22 and 1/2

Second box = square inches (because area is always ^2, or squared)

Step-by-step explanation:

A = B * H

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Base = 5 inches

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This can also be written as 45/2 or 22 and 1/2

I hope I helped!

Let me know if you need anything else!

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3 years ago

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A student who Is 4 feet tall stands beside a tree. The tree has a shadow that is 10 feet long at the same

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Forensic specialists can estimate the height of a deceased person from the lengths of the person's bones. These lengths are subs

Lera25 [3.4K]

Answer:

$130.2845\leq h\leq 137.7245$

Step-by-step explanation:

Given an inequality that relates the height h, in centimeters, of an adult female and the length f, in centimeters, of her femur by the equation

$|h - (2.47f + 54.10)| \leq 3.72$

If an adult female measures her femur as 32.25 centimeters, we can determine the possible range of her height by plugging f = 32.25cm into the modelled equation as shown:

$|h - (2.47(32.25) + 54.10)| \leq 3.72\\|h - (79.9045 + 54.10)| \leq 3.72\\|h - (134.0045)| \leq 3.72\\$

If the modulus function is positive then:

$h - 134.0045 \leq 3.72\\h \leq 3.71+134.0045\\h\leq 137.7245$

If the modulus function is negative then:

$-(h - 134.0045) \leq 3.72\\-h+134.0045 \leq 3.72\\-h\leq 3.72-134.0045\\-h\leq -130.2845\\$

multiply through by -1

$-(-h)\geq -(-130.2845)\\h\geq 130.2845\\130.2845\leq h$

combining the resulting inequalities, the estimate of the possible range of heights will be $130.2845\leq h\leq 137.7245$

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3 years ago