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Leokris [45]
3 years ago
9

The velocity in feet per second, V, a skydiver is moving at after falling

Mathematics
1 answer:
chubhunter [2.5K]3 years ago
4 0

Answer:

The answer is C

Step-by-step explanation:

Because the answer is just C

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Find the length of XY
Pachacha [2.7K]

Since this is a right triangle, you can use the pythagorean theorem, leg^2+leg^2=hypotenuse^2, to find XY. Since we know that 15 and 17 are our legs and that XY is the hypotenuse, we can solve it as such:

15^2+17^2=XY^2\\ 225+289=XY^2\\ 514=XY^2\\ \sqrt{514}=XY

In short, XY is √514, or 22.67 rounded to the hundreths, units long.

7 0
3 years ago
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An experiment was conducted to assess the efficacy of spraying oats with malathion tocontrol the cereal leaf beetle.A sample of
lesantik [10]

Answer:

C

Step-by-step explanation:

Solution:-

- An experiment on the efficacy of spraying malathion on oats to control the growth cereal leaf beetle.

- A sample of n = 10 farms was taken at random. Each farm was either subjected to control group ( no spray ) or the treatment group ( spray ).

- Power ( β ) is the probability of rejecting the null hypothesis when, in fact, it is false. I.e the test statistics lie in the rejection region or the benefit of adding malathion is proven in-effective when in fact it is in-effective.

- Power is the probability of avoiding a ( Type II error ). Mathematically expressed as:

                    Type II Error = 1 - β

- Power is the probability of making a correct decision (to reject the null hypothesis) when the null hypothesis is false.

- The probability that a test of significance will pick up on an effect that is present.

Hence,

Answer: It is the ability to detect the effectiveness of malathion when in fact it is effective.

3 0
3 years ago
What is the LCM of 18 and 24
Musya8 [376]
The least common multiplier of 18 and 24 is 72. Because all of 18's multipliers do not match up with 24's multipliers until 72, it is the LCM
6 0
3 years ago
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Help me plsssss!!!!!
Margarita [4]

Answer:

the

answer is x-8

hope it will help you

have a great day

6 0
2 years ago
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A building is 509 ft tall each floor is about 14 feet tall about how many floors does the Building have
Minchanka [31]
509 ÷ 13 = 36.36 
There are about 36 floors.

Answer: 36 floors.
5 0
3 years ago
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