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katen-ka-za [31]
3 years ago
7

A ball is dropped from a height of 30 feet and each time it hits the ground it bounces 0.75 of the previous height. What is the

height of the ball after it makes its third bounce? Round to the nearest hundredth of a foot. A) 0.47 feet B) 9.49 feet C) 12.66 feet D) 16.88 feet
Mathematics
1 answer:
dimulka [17.4K]3 years ago
8 0

30 x 0.75 = 22.5 .............(1st)

22.5 x 0.75 = 16.875 ......(2nd)

16.875 x 0.75 = 12.66 ....(3rd)

ANSWER: C) 12.66

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iogann1982 [59]
It's A.

18 correlates with $350 and 12 correlates with $520.
That crosses off B and D.

18 + 12 days combined equals 30.
That excludes C and D.

A is your answer! :D
6 0
3 years ago
How to find equation of line passing through the points (x,y)​
DochEvi [55]

First you must acknowledge that you are dealing with a line therefore you must write linear equation or linear function in this case.

Linear function has a form of,

y=mx+n

Then calculate the slope <em>m</em> using the coordinates of two points. Let say <em>A(x1, y1)</em> and <em>B(x2, y2)</em>,

m=\dfrac{\Delta{y}}{\Delta{x}}=\dfrac{y_2-y_1}{x_2-x_1}

Now pick a point either <em>A</em> or <em>B</em> and insert coordinates of either one of them in the linear equation also insert the slope you just calculated, I will pick point <em>A</em>.

y_1=mx_1+n

From here you solve the equation for n,

y_1=mx_1+n\Longrightarrow n=y_1-mx_1

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f(x)=m_{slope}x+n_{variable}

Hope this helps.

r3t40

3 0
2 years ago
I need help on this plz i don’t understand the question
AnnZ [28]

We know that the area of a circle in terms of π will be πr². However the area with respect to the diameter will be a different story. The first step here is to find a function relating the area and diameter of any circle --- ( 1 )

For any circle the diameter is 2 times the radius,

d = 2r

Therefore r = d / 2, which gives us the following formula through substitution.

A = π(d / 2)² = πd² / 4

<u>Hence the area of a circle as the function of it's diameter is A = πd² / 4. You can also say f(d) = πd² / 4.</u>

Now we can substitute " d " as 4, solving for the area ( A ) or f(4) --- ( 2 )

f(4) = π(4)² / 4 = 16π / 4 = 4π - <u>This makes the area of circle present with a diameter of 4 inches, 4π.</u>

3 0
2 years ago
The length of a rectangle is shown below:
Wittaler [7]
It would be A because it is 5 units down from the points
7 0
3 years ago
(04.04)
harkovskaia [24]
I Think The answer is 35 units I hope it helps Message Me if I’m wrong and I’ll change My answer and fix it for you
6 0
3 years ago
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