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Sedaia [141]
3 years ago
11

A bowling ball is dropped from a height of 35 feet. Write a function that gives the height h (in feet) of the bowling ball after

t seconds.
Mathematics
1 answer:
yawa3891 [41]3 years ago
8 0

Answer:

h(t) = 16t² + 35

Step-by-step explanation:

Given:

Height (h) = 35 feet

Acceleration (a) = 32 ft/sec (approx)

Find:

Equation for height in time

Computation:

h(t) = -(1/2)at² + ut + h

h(t) = -(1/2)(32)t² + (0)(t) + 35

h(t) = -16t² + 35

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3 years ago
Marty is taking piano lessons. She is going to practice every afternoon. The 1st week she practiced for 11 minutes each day. The
defon

Answer:

m=7w+4

Step-by-step explanation:

<u>Linear Modeling</u>

It consist is setting up a linear relationship between two variables, given some experimental data. Only 2 points are needed to set up the equation of a line, but if more than 2 points are used, then the result should use statistical approaches like linear regression to find the best-fit line.

For the question at hand, Marty practices his piano lessons 11 minutes the week #1. It provides the first point (1,11). He practices 25 minutes per day on the third week. It gives us another point (3,25). This is enough to find the equation of a line. The general formula for a line, having two points (m1,w1) (m2,w2) is

\displaystyle m-m_1=\frac{m_2-m_1}{w_2-w_1}(w-w_1)

Let's plug in our values

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Simplifying:

m-11=7w-7

\boxed{m=7w+4}

3 0
3 years ago
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