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3 years ago

The number 24 has eight factors in total.What are they

Mathematics

2 answers:

ruslelena [56]3 years ago

6 0

Answer:

The factors are 1,2,3,4,6,8, 12 and 24

Oliga [24]3 years ago

3 0

Answer:

The factors of 24 are:

a. 1

b. 2

c. 3

d. 4

e. 6

f. 8

g. 12

h. 24

Step-by-step explanation:

A factor is a number that when added or multiplied to another number gives a $GIVEN RESULT.$

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Answer:

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A cab company charges a $3 boarding rate in addition to its meter which is $2 for every mile. What is the equation of the line t

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3 years ago

A researcher wishes to estimate with 95% confidence, the proportion of the people who own a home computer. A previous study show

vitfil [10]

Answer:

The minimum sample size necessary is 2305.

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:

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

For this problem, we have that:

$\pi = 0.4$

95% confidence level

So $\alpha = 0.05$ , z is the value of Z that has a pvalue of $1 - \frac{0.05}{2} = 0.975$ , so $Z = 1.96$ .

The researcher wishes to be accurate within 2% of the true proportion. Find the minimum sample size necessary?

We need a sample size of n.

n is found when M = 0.02. So

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

$0.02 = 1.96\sqrt{\frac{0.4*0.6}{n}}$

$0.02\sqrt{n} = 1.96*\sqrt{0.4*0.6}$

$\sqrt{n} = \frac{1.96*\sqrt{0.4*0.6}}{0.02}$

$(\sqrt{n})^{2} = (\frac{1.96*\sqrt{0.4*0.6}}{0.02})^{2}$

$n = 2304.96$

Rounding up

The minimum sample size necessary is 2305.

8 0

3 years ago

Please help, i need to know the steps of solving this question

kkurt [141]

Answer:

Step-by-step explanation:

eq. of line through (-4,0) and (3,2) is

y-0=(2-0)/(3+4) (x+4)

y=2/7 (x+4)

or y=2/7 x+8/7

m1=2/7

b1=8/7

eq. of line through (-3,2) and (4,0) is

y-2=(0-2)/(4+3) (x+3)

y-2=-2/7(x+3)

y=-2/7 x-6/7 +2

or y=-2/7 x+8/7

m2=-2/7

b2=8/7

m1b2+m2b1

$=\frac{2}{7} \times \frac{8}{7} +(-\frac{2}{7} ) \times \frac{8}{7} \\=\frac{16}{49} -\frac{16}{49} \\=0$

6 0

4 years ago