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umka21 [38]
3 years ago
7

Which statements are true? Check all that apply

Mathematics
1 answer:
const2013 [10]3 years ago
7 0
Read the paragraph, then go back and see which of the points match up and which don’t
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The height h(n) of a bouncing ball is an exponential function of the number n of bounces.
Digiron [165]

Answer:

The height of a bouncing ball is defined by h(n) = 6\cdot \left(\frac{4}{6} \right)^{n-1}.

Step-by-step explanation:

According to this statement, we need to derive the expression of the height of a bouncing ball, that is, a function of the number of bounces. The exponential expression of the bouncing ball is of the form:

h = h_{o}\cdot r^{n-1}, n \in \mathbb{N}, 0 < r < 1 (1)

Where:

h_{o} - Height reached by the ball on the first bounce, measured in feet.

r - Decrease rate, no unit.

n - Number of bounces, no unit.

h - Height reached by the ball on the n-th bounce, measured in feet.

The decrease rate is the ratio between heights of two consecutive bounces, that is:

r = \frac{h_{1}}{h_{o}} (2)

Where h_{1} is the height reached by the ball on the second bounce, measured in feet.

If we know that h_{o} = 6\,ft and h_{1} = 4\,ft, then the expression for the height of the bouncing ball is:

h(n) = 6\cdot \left(\frac{4}{6} \right)^{n-1}

The height of a bouncing ball is defined by h(n) = 6\cdot \left(\frac{4}{6} \right)^{n-1}.

5 0
3 years ago
Read 2 more answers
Which expression can be used to find 38% of 20
lubasha [3.4K]

Answer:

A.

Step-by-step explanation:

38% = 38/100 = 0.38

A percentage is anything over 100

8 0
3 years ago
Could someone help me ASAP, thanks !!
Rashid [163]

Answer:

I think this is the right answer but last two signs are incorrect

Hope this will help

6 0
3 years ago
Read 2 more answers
Hange each decimal or mixed decimal to a percent.<br> a. 0.73<br> b. 0.023<br> c. 0.176<br> d. 2.415
Marysya12 [62]
The answer is d.2.415
6 0
3 years ago
Felicia wants to tell her Italian friend, Viviana, how cold it gets in the winter where Felicia lives—down to -17°F. Viviana has
nignag [31]
1°F is equal to -17.2222°C, so -17°F times 17.2222°C would be approximately:
-27<span>°C</span>
8 0
3 years ago
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