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3 years ago

Which numbers are perfect squares? Check all that apply. 0 1 OOOOOO

Mathematics

2 answers:

klio [65]3 years ago

8 0

Answer:7574649275658473849575629375844

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””3”5?.4793*’&*#)$)45*3926&*3)&/$&’&&!;

Step-by-step explanation:

77julia77 [94]3 years ago

4 0

Answer:

1 is the only available answer that is a perfect square.

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I need help solving this problem

Elina [12.6K]

H = -200
if h divided by 8 is equal to -25, you can multiply -25. by 8, which equals -200. Hopefully this helps!

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3 years ago

A newsgroup is interested in constructing a 90% confidence interval for the proportion of all Americans who are in favor of a ne

Leto [7]

Answer:

The 90% confidence interval for the proportion of all Americans who are in favor of a new Green initiative is (0.6247, 0.6923).

Step-by-step explanation:

In a sample with a number n of people surveyed with a probability of a success of $\pi$ , and a confidence level of $1-\alpha$ , we have the following confidence interval of proportions.

$\pi \pm z\sqrt{\frac{\pi(1-\pi)}{n}}$

In which

z is the z-score that has a p-value of $1 - \frac{\alpha}{2}$ .

Of the 533 randomly selected Americans surveyed, 351 were in favor of the initiative.

This means that $n = 533, \pi = \frac{351}{533} = 0.6585$

90% confidence level

So $\alpha = 0.1$ , z is the value of Z that has a p-value of $1 - \frac{0.1}{2} = 0.95$ , so $Z = 1.645$ .

The lower limit of this interval is:

$\pi - z\sqrt{\frac{\pi(1-\pi)}{n}} = 0.6585 - 1.645\sqrt{\frac{0.6585*0.3415}{533}} = 0.6247$

The upper limit of this interval is:

$\pi + z\sqrt{\frac{\pi(1-\pi)}{n}} = 0.6585 + 1.645\sqrt{\frac{0.6585*0.3415}{533}} = 0.6923$

The 90% confidence interval for the proportion of all Americans who are in favor of a new Green initiative is (0.6247, 0.6923).

6 0

3 years ago

Your friend just purchased a new sports car for $32,000. He received $6,000 for his trade in and he used that money as a down pa

valentinak56 [21]

The solution to the problem is as follows:

let

R = $619.15 periodic payment

i = 0.0676/12 the rate per month

n = 48 periods

S = the future value of an ordinary annuity

S = R[((1 + i)^n - 1)/i]

S = 619.15*[(1 + 0.0676/12)^48 - 1)/(0.0676/12)]

S = $34,015.99

I hope my answer has come to your help. God bless and have a nice day ahead!

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3 years ago

(1/2y-50)(3/5y+10) what is the answer?

GenaCL600 [577]

The answer is 3/10y^2 - 25y - 500. Glade I could help!

3 0

3 years ago

Ann increased the quantities of all the ingredients in a recipe by 60%, percent. She used 80 grams , of cheese. How much cheese

VladimirAG [237]

Answer:

The recipe originally required 50 grams of cheese.

Step-by-step explanation:

1.6x=80

x=50

3 0

3 years ago