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SpyIntel [72]
3 years ago
13

I need help really quick

Mathematics
2 answers:
nasty-shy [4]3 years ago
8 0

Answer:

$162.50

Step-by-step explanation:

I=Prt

I=(5000)(0.065)(0.5)

I=162.50

0.5 = 6 months, which is half of a year

0.065 = the percent (6.5%) in decimal form

lisov135 [29]3 years ago
5 0

Answer:

$162.50

Step-by-step explanation:

I=Prt

I=(5000)(0.065)(0.5)

I=162.50

0.5 = 6 months, which is half of a year

0.065 = the percent (6.5%) in decimal for

Step-by-step equestion

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Answer:  a) Required minimum sample size= 219

b) Required minimum sample size= 271

Step-by-step explanation:

As per given , we have

Margin of error : E= 5% =0.05

Critical z-value for 90% confidence interval : z_{\alpha/2}=1.645

a) Prior estimate of true proportion: p=28%=0.28

Formula to find the sample size :-

n=p(1-p)(\dfrac{z_{\alpha/2}}{E})^2\\\\=0.28(1-0.28)(\dfrac{1.645}{0.05})^2\\\\=218.213856\approx219

Required minimum sample size= 219

b) If no estimate of true proportion is given , then we assume p= 0.5

Formula to find the sample size :-

n=0.5(1-0.5)(\dfrac{z_{\alpha/2}}{E})^2\\\\=0.25(\dfrac{1.645}{0.05})^2\\\\=270.6025\approx271

Required minimum sample size= 271

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2 years ago
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Step-by-step explanation:

The factors of 28 are 1, 2, 4, 7, 14, 28

The factors of 32 are 1, 2, 4, 8, 16, 32

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2 years ago
I need help with my math
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Step-by-step explanation:

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Answer:

Answer below :)

Step-by-step explanation:

Hi there!

Question 4 - the answer will be 5. Since the scale factor is 5, we would (hypothetically) multiply the area by 5 to get the new area of XYZ, so area XYZ is 5 times the area of ABC.

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First we multiply 45 by 12 to find the amount in inches. This is 540. Now, we divide that by 6 to get 90. This is our scale factor in inches, but the answers only show the scale in feet, so we have to convert. Divide 90 by 12 to get 7.5.

I hope this helps!

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