3 years ago

Which number has the following factors: * 6 15 4 12

Mathematics

1 answer:

inn [45]3 years ago

3 0

Answer:

Step-by-step explanation:

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Determine the approximate value of side a.

Nostrana [21]

The answer to this question is 97 i think

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3 years ago

According to USA Today, customers are not settling for automobiles straight off the production lines. As an example, those who

MrMuchimi

Answer: $(24980.25,\ 25419.75)$

Step-by-step explanation:

The confidence interval for population mean is given by :-

$\overline{x}\pm z_{\alpha/2}\dfrac{\sigma}{\sqrt{n}}$

Given : Sample size : $n= 179$ , which is a large sample , so we apply z-test .

Sample mean : $\overline{x}=20200+5000=25200$

Standard deviation : $\sigma= 1500$

Significance level : $\alpha=1-0.95=0.05$

Critical value : $z_{\alpha/2}=1.96$

Now, a confidence interval at the 95% level of confidence will be :-

$25200\pm(1.96)\dfrac{1500}{\sqrt{179}}\\\\\approx25200\pm219.75\\\\=(25200-219.75,\ 25200+219.75)\\\\=(24980.25,\ 25419.75)$

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4 years ago

The ration of girls to boys is 7:8. If there are 140 girls, how many boys are there?

Triss [41]

Answer:

160

Step-by-step explanation:

140 divided by 7 equals 20, then you times the answer by 8, which you get 160.

7 0

3 years ago

Let f(x)=x2−16x+71 .what is the vertex form of f(x)?what is the minimum value of f(x)? enter your answers in the boxes.

adell [148]

Your vertex is (8,7)

First find the x intercept
-2/2a

X = 16/2
X = 8

Substitute the value x and solve for y
Youd get 7

Hence
(8,7)

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Write in words: 46306.

Lina20 [59]

Answer:

Forty six thousand,three hundred and six

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4 years ago

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