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Black_prince [1.1K]
2 years ago
8

I will give brainliest. Please help fast! (Solve for number 5)

Mathematics
1 answer:
Ne4ueva [31]2 years ago
8 0

Answer:

the area of the parallelogram is 120 units

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A Rasmussen Reports survey of 1,000 US adults found that 42% believe raising the minimum wage will help the economy. Construct a
vitfil [10]

Answer:

(0.3798, 0.4602)

Step-by-step explanation:

Let p be the true proportion of US adults who believe raising the minimum wage will help the economy. A point estimate for p is \hat{p}=0.42 and a good aproximation (because we have a large sample) for the standard deviation of \hat{p} is \sqrt{\hat{p}(1-\hat{p})/n}=\sqrt{0.42(0.58)/1000}=0.0156. Therefore, a 99% confidence interval for p is given by \hat{p}\pm z_{\alpha/2}\sqrt{\frac{\hat{p}(1-\hat{p})}{n}} where \alpha=0.01 and z_{\alpha/2} is the \alpha/2th quantile of the standard normal distribution, so we have, 0.42\pm z_{0.005}0.0156, i.e., 0.42\pm(-2.5758)(0.0156) or equivalently (0.3798, 0.4602).

6 0
3 years ago
So, I need to know the basics of the laws for logarithms. I know that there are three, but I need to know more than that. Please
Ede4ka [16]
It is the number u need for 3 = 9
3 0
3 years ago
4<br> What temperature is 23 degrees above<br> freezing?
mamaluj [8]
Answer:
The temperature would be 55 degrees fahrenheit
6 0
3 years ago
HELP FAST PLS!What value of x makes the equation true? 36/63 = x/7<br> A. 2 B. 3 C. 4 D. 6
taurus [48]
The answer is 4.

36/63 = 0.57
4/7 = 0.57
6 0
3 years ago
Read 2 more answers
A pharmacist needs 500 milliliters of a 20% phenobarbital solution but has only 5% and 25% phenobarbital solutions available. Fi
sladkih [1.3K]

Let x be ml of 5% soln.

let 500-x be ml of 25% soln.

.

x*.05=.05x

(500-x)*.25=125-.25x

500*.20=100

.

.05x+125-.25x=100

-.2x=-25

x=-25/-.2

x=125 ml of 5% soln.

500-x=375 ml of 25% soln.

.

Check:

125*.05= 6.25

375*.25=93.75

---------------

========100

7 0
3 years ago
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