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Assoli18 [71]
3 years ago
14

Tennis balls must have a high rebound, or bounce, that is approved by the International Tennis Federation. Rebound is measured b

y dropping a ball from a height of 100 inches and measuring how high it bounces. Approved balls must bounce back up 53 to 58 inches. A tennis coach tested 50 tennis balls and found that the mean bounce was 56.2 inches and the standard deviation was 1.8 inches The z-score of a ball that bounces 56.2 inches is This ball has a bounce that is the mean.​
Mathematics
2 answers:
Oliga [24]3 years ago
7 0

Answer:

0.0 and equals to :)

Step-by-step explanation: just got it right on edg

MatroZZZ [7]3 years ago
3 0

Answer:

The person above is right, and deserves brainliest.

0.0

equal to

ED2021

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mr reyes bought a can of paint he used 3/8 of it to paint a book shelf he used 1/4 of it to paint a wagon he used some of it to
Gwar [14]
The solution comes in the form of a simple equation
3/8+1/4+x=7/8 because if you used 7/8ths you would only have 1/8th left
you need common denominators to solve so you find the closest one which is 8
you have to times 4 by 2 to get 8 and whatever you do to the 4 you have to do to the one above it so 1*2=2 and 4*2=8 so back to the equation 3/8+2/8+x=7/8
add them together and you have 5/8+x=7/8 so... 7/8-5/8=2/8ths
He used 2/8ths to paint the birdhouse
6 0
3 years ago
26. Matthew factored a 5th-order polynomial. Four of the factors are: (x-2), (x+2i), (x-4), and (x+4) .
Keith_Richards [23]
Short Answer C
Remark
You may think there is no way to resolve this. Either of the first two look like they might work and you cannot be sure what you will get with the last two unless you know.

The answer is one of the last two. The equation cannot have just one or even a large number of complex numbers. When you are factoring a polynomial, the number of complex numbers must be even.

The complex root you have is x + 2i. Its partner is x - 2i
The complete equation would be
y = (x - 2i)(x + 2i) (x - 2)(x + 4)(x - 4)
I'll edit to add the graph.


4 0
4 years ago
Perform the operation. Write your answer in scientific notation. 7×10^6-5.3×10^6​
Lady_Fox [76]
7 • 10^6 - 5.3 • 10^6
= 1.7 • 10^6 in scientific notation
6 0
3 years ago
Read 2 more answers
For f (x) = 4 x +1 and g(x) = x^2- 5, find (g/f)(x)
Lady bird [3.3K]

Answer:

The answer is: \frac{x^2-5}{4x+1}

Step-by-step explanation:

We are given: f(x)=4x+1 and g(x) = x^2-5

We need to find (g/f)(x).

Simply divide g(x) and f(x)\\.

Which equates to:

(g/f)(x)= \frac{g(x)}{f(x)} =\frac{x^2-5}{4x+1}

This cannot be simplified further, so it is the answer.

3 0
4 years ago
Help with 3 and only 3 pls
Gelneren [198K]
No. Mina put the whole number 10 over one of the fractions when she should have put it over 1
5 0
3 years ago
Read 2 more answers
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