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NeTakaya
2 years ago
5

Please help me out, thank you ​

Mathematics
2 answers:
GuDViN [60]2 years ago
8 0

Answer: 24

Step-by-step explanation: 180-114=66

66+90=156

180-156=24

mihalych1998 [28]2 years ago
8 0

Answer:   m= 24

                n= 33

Step-by-step explanation:

hope it helps

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The circumference of a circle is 3.14 inches. Find the radius of the circle in inches. Round to the nearest whole number. Justif
ivolga24 [154]

Answer:

0.5

Step-by-step explanation:

The formula for circumference is:

pi * d

3.14 = 3.14*d

1 = d

Since the radius is 1/2 of diameter, r = 0.5

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3 years ago
Which of the following are independent variables?
Lapatulllka [165]

Answer:

i think that it is oil

Step-by-step explanation:

because it does not change

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3 years ago
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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
ICE Princess25 [194]

Answer:

a) n = 1037.

b) n = 1026.

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 zscore that has a pvalue of 1 - \frac{\alpha}{2}

The margin of error is:

M = z\sqrt{\frac{\pi(1-\pi)}{n}}

99% confidence level

So \alpha = 0.01, z is the value of Z that has a pvalue of 1 - \frac{0.01}{2} = 0.995, so Z = 2.575.

​(a) Assume that nothing is known about the percentage to be estimated.

We need to find n when M = 0.04.

We dont know the percentage to be estimated, so we use \pi = 0.5, which is when we are going to need the largest sample size.

M = z\sqrt{\frac{\pi(1-\pi)}{n}}

0.04 = 2.575\sqrt{\frac{0.5*0.5}{n}}

0.04\sqrt{n} = 2.575*0.5

(\sqrt{n}) = \frac{2.575*0.5}{0.04}

(\sqrt{n})^{2} = (\frac{2.575*0.5}{0.04})^{2}

n = 1036.03

Rounding up

n = 1037.

(b) Assume prior studies have shown that about 55​% of​ full-time students earn​ bachelor's degrees in four years or less.

\pi = 0.55

So

M = z\sqrt{\frac{\pi(1-\pi)}{n}}

0.04 = 2.575\sqrt{\frac{0.55*0.45}{n}}

0.04\sqrt{n} = 2.575*\sqrt{0.55*0.45}

(\sqrt{n}) = \frac{2.575*\sqrt{0.55*0.45}}{0.04}

(\sqrt{n})^{2} = (\frac{2.575*\sqrt{0.55*0.45}}{0.04})^{2}

n = 1025.7

Rounding up

n = 1026.

6 0
3 years ago
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Y_Kistochka [10]

Answer:

1)rs.6000

Step-by-step explanation:

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Sorry I don't know the answers for other questions cause I don't know outright price

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3 years ago
David walked 0.5 kilometer from his home to the library which fraction is equivalent to 0.5
dusya [7]

Answer:

1/2

Step-by-step explanation:

.5=1/2

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