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kozerog [31]
4 years ago
8

It takes gone exactly 35 minutes by car to get his grandmother the nearest parking area is a four minute walk from her apartment

one weekly visit it more often he realize that he spent five hours and one minute traveling to your apartment and then back home how many round-trip city takes to visit his grandmother
Mathematics
1 answer:
8_murik_8 [283]4 years ago
4 0

Answer: It takes him 35 + 4 = 39 minutes to get there and 39 minutes to get back so 78 minutes for a round trip

Step-by-step explanation:

5 hours = 300 minutes

300 + 12 = 312 minutes traveling

312/78 = 4 round trips

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Step-by-step explanation:

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Which expressions are equal to 10^5? A. (10^4)^1. B. 10^3 x 10^2. C. 1/10^5. D. (10^3)^2. E. 10 x 10 x 10 x 10 X 10
alukav5142 [94]
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3 years ago
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When testing a claim that the majority of adult Americans are against the death penalty for a person convicted of murder, a rand
Black_prince [1.1K]

Using the z-distribution, it is found that the p-value is of 1.

At the null hypothesis, it is tested <u>that the majority is not against the death penalty</u>, that is:

H_0: p \neq 0.5

At the alternative hypothesis, it is <u>tested that the majority is against the death penalty</u>, that is:

H_1: p > 0.5

The test statistic is given by:

z = \frac{\overline{p} - p}{\sqrt{\frac{p(1-p)}{n}}}

In which:

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  • p is the proportion tested at the null hypothesis.
  • n is the sample size.

In this problem, the parameters are: \overline{p} = 0.27, p = 0.5, n = 491.

Then, the value of the <em>test statistic</em> is:

z = \frac{\overline{p} - p}{\sqrt{\frac{p(1-p)}{n}}}

z = \frac{0.27 - 0.5}{\sqrt{\frac{0.5(0.5)}{491}}}

z = -10.19

Using a z-distribution calculator, for a <u>right-tailed test</u>, as we are testing if the proportion is greater than a value, the p-value is of 1.

A similar problem is given at brainly.com/question/16313918

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Answer: 13+9 = 22

Step-by-step explanation:

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muminat
If the polynomial is of the form x^2+bx+c (ie., no factor in front of the x^2!!) then you can look for numbers that add up to b and multiply to c.

So in this case: what two numbers, when added, give -2 and when multiplied, give 1? A little trial and error gives you -1 and -1.
So the factorization is (x-1)(x-1). This is zero for x=1. There is only one zero.
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4 years ago
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