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3 years ago

Write 31/6 as a mixed number

Mathematics

2 answers:

Vlad1618 [11]3 years ago

7 0

As a mixed # it would be; 5 1/31

RoseWind [281]3 years ago

7 0

5 1/6 cuz 5 times 6 is 30 plus the fraction is 31

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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 $\alpha/2$ th 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).

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3 years ago

Circle.center:(2,-5).radius:9

Kaylis [27]

Answer:

Step-by-step explanation:

eq. of circle with center (h,k) and radius=r is

(x-h)²+(y-k)²=r²

reqd. eq. is

(x-2)²+(y+5)²=9²

8 0

3 years ago

Jade has a budget of $200

stealth61 [152]

And? It’s there a full question?

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3 years ago

HELP!!!

marusya05 [52]

The equation of an ellipse is x²/a² + y²/b² =1

a being the distance between the center & x intercept =7
b being the distance between the center & y intercept =5

Hence the equation of this ellipse is:

x²/49 + y²/25 =1

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3 years ago

How do you solve 13+4x=1-x

mel-nik [20]

13+4x=1-x
4x=-12-x (minus 13 from each side)
5x=-12 (add x to each side)
You divide -12 by 5x
-12÷5x=2 $\frac{2}{5}$ ⇒2.4
x=2.4

6 0

3 years ago

Read 2 more answers