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3 years ago

Solve for f: f/−3.2 =0.01 f=?

Mathematics

2 answers:

stiv31 [10]3 years ago

7 0

Answer:

f = -.032

Step-by-step explanation:

f/−3.2 =0.01

To find the value for f, multiply each side by -3.2

-32. *f/−3.2 =0.01*-3.2

f = -.032

I am Lyosha [343]3 years ago

3 0

Answer:

f= -.032

I hope this helps!

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In a study of government financial aid for college students, it becomes necessary to estimate the percentage of full-time coll

algol13

Answer:

(a) The sample size required is 2401.

(b) The sample size required is 2377.

Step-by-step explanation:

The confidence interval for population proportion p is:

$CI=\hat p\pm z_{\alpha/2}\sqrt{\frac{\hatp(1-\hat p)}{n}}$

The margin of error in this interval is:

$MOE=z_{\alpha/2}\sqrt{\frac{\hatp(1-\hat p)}{n}}$

The information provided is:

MOE = 0.02

$z_{\alpha/2}=z_{0.05/2}=z_{0.025}=1.96$

(a)

Assume that the proportion value is 0.50.

Compute the value of n as follows:

$MOE=z_{\alpha/2}\sqrt{\frac{\hat p(1-\hat p)}{n}}\\0.02=1.96\times \sqrt{\frac{0.50(1-0.50)}{n}}\\n=\frac{1.96^{2}\times0.50(1-0.50)}{0.02^{2}}\\=2401$

Thus, the sample size required is 2401.

(b)

Given that the proportion value is 0.55.

Compute the value of n as follows:

$MOE=z_{\alpha/2}\sqrt{\frac{\hat p(1-\hat p)}{n}}\\0.02=1.96\times \sqrt{\frac{0.55(1-0.55)}{n}}\\n=\frac{1.96^{2}\times0.55(1-0.55)}{0.02^{2}}\\=2376.99\\\approx2377$

Thus, the sample size required is 2377.

(c)

On increasing the proportion value the sample size decreased.

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4 years ago

What is the solutiion to this system 3x+2y=8 -x=+y=-11

mr Goodwill [35]

Answer:

2, 19, -3

Step-by-step explanation:

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3 years ago

I really hope you can see it if you can’t please ask me what it says cause I really need help

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Answer:

1. 20 cm^2

2. 40 cm^2

3. 14 cm^2

4 49 cm^2

Step-by-step explanation:

Area of triangle= 1/2(base)*(height)

Area of rectangle= (base)*(height)

1. 1/2(10)(4)=20

2. (8)(5)=40

3.1/2(4)(7)=14

4. (7)(7)=49

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3 years ago

What is the volume (in cubic centimeters) of a cube with 4cm sides?

vova2212 [387]

I think it is 64 just multiply 4 times 4 times 4 because of the sides and to find volume you need to multiply the sides and the height so it should be 64.

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3 years ago

It takes mom 2 2/3 hours to weave a basket. He worked Monday through Friday, 8 hours a day . How many baskets did he make

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3 years ago