3 years ago

What value of a will make the following equation true?

Mathematics

1 answer:

mamaluj [8]3 years ago

7 0

4! I answered that question a few days ago!!

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Two equal sized plots of land were planted with corn. The first plot reproduced 3,500 bushels of corn.The science plot produced

madreJ [45]

3500:4200 reduce to 35:42 see if you can reduce anymore. you can to 5:6

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3 years ago

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Can someone please help me i don’t know what to do on this

Musya8 [376]

Answer:

4/5

Step-by-step explanation:

y is 5 times as big as x

When y is 4, divide it by 5 to find x

x = 4/5

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3 years ago

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1. 5 + (-8) =

seropon [69]

Answer:

ask siri she helps for each question

Step-by-step explanation:

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3 years ago

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

Evaluate the following expression:<br>p/-3 + (-8)= -8

aalyn [17]

P/-3+(-8)=-8
p/-3-8=-8
Add 8 to each side
p/-3-8+8=-8+8
p/-3=0
Multiply both side by 3
p/-3(3)=0(3)
p=0
Check:
p/-3+(-8)=-8
Substitute p with 0
0/-3+(-8)=-8
0-8=-8
-8=-8. As a result, p=0. Hope it help!

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3 years ago