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s344n2d4d5 [400]
2 years ago
6

1. Solve and show your work for each question.

Mathematics
2 answers:
satela [25.4K]2 years ago
7 0

Answer:

c, the reason is that a is .36 forever and .36 with the 6 going on forever...so c is correct as the simplest form

marta [7]2 years ago
6 0
The answer is c
I hope this you you
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What is the answer to this question
Archy [21]
The answer is b because 1.95+.85+2.80 and 2.80 rounded to the nearest whole # is 3.
7 0
4 years ago
Find the positive solution and please explain how ;4;
valentina_108 [34]
(x + 2)² - 10 = 0 (assuming it's equal to zero)

Expand the binomial: (x + y)² = x² + 2xy + y²
Thus, x² + 4x + 4 - 10 = 0
x² + 4x - 6 = 0

x = \frac{-4 +_- \sqrt{16 + 24}}{2} (by quadratic formula)
= \frac{-4 +_- \sqrt{40}}{2}
= \frac{-4 +_- 2\sqrt{10}}{2}
= -2 + \sqrt{10}, since we're taking the positive solution.
3 0
3 years ago
Two joggers run 8 miles north and then 5 miles west. What is the shortest distance they must travel to return to their starting
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7 0
4 years ago
Dekentra is keeping a log of the miles she walks each day. So far, she walked 2/3 mile on Saturday, 1 and 3/4 on Monday, 1/2 on
kirill [66]
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5 0
3 years ago
In the 2009 General Social Survey, respondents were asked if they favored or opposed death penalty for people convicted of murde
sleet_krkn [62]

Answer:

The calculated 99% confidence interval is wider than the 95% confidence interval.      

Step-by-step explanation:

We are given the following in the question:

95% confidence interval for the population proportion

(0.65, 0.69)

Let \hat{p} be the sample proportion

Confidence interval:

p \pm z_{stat}(\text{Standard error})

z_{critical}\text{ at}~\alpha_{0.05} = 1.96

Let x be the standard error, then, we can write

\hat{p} - 1.96x = 0.65\\\hat{p}+1.96x = 0.69

Solving the two equations, we get,

2\hat{p} = 0.65 + 0.69\\\\\hat{p} = \dfrac{1.34}{2} = 0.67\\\\x = \dfrac{0.69 - 0.67}{1.96} \approx 0.01

99% Confidence interval:

p \pm z_{stat}(\text{Standard error})

z_{critical}\text{ at}~\alpha_{0.01} = 2.58

Putting values, we get,

0.67 \pm 2.58(0.01)\\=0.67 \pm 0.0258\\=(0.6442,0.6958)

Thus, the calculated 99% confidence interval is wider than the 95% confidence interval .

4 0
3 years ago
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