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Burka [1]
3 years ago
5

Please help me with this question :(

Mathematics
1 answer:
erica [24]3 years ago
7 0

Answer:

Slope is -2.

Step-by-step explanation:

Slope m = \frac{-1 - 7}{3 - -1}=\frac{-8}{4}=-2

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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
Tom earned $72 walking dogs for 6 hours. How many total hours will it take tom to earn $96 in all? Solve using unit rates
slava [35]

Answer:

8 hours

Step-by-step explanation:

Step one:

Given data

Tom earned $72 walking dogs for 6 hours

amount earned = $72

time taken = 6 hours

Required

The time taken to earn $96

Step two:

let us find the unit rate of his earning

unit rate = 72/6

= 12 per hour

 

In 1 hour Tom earns $12

in x hours he will earn $96

cross multiply we have

96*1= 12x

divide both sides by 12

x= 96/12

x=8 hours

3 0
3 years ago
Richard can make 8 dough balls in two hours. If the amount of time is directly proportional to the number of dough balls, how ma
Sergio039 [100]

Answer:

4.5 hours

Step-by-step explanation:

8:2h = 18:x

8x = 18×2h

x = 36h/8

x = 4.5

hope this helps :)

8 0
3 years ago
Which expression is equivalent to startfraction rootindex 4 startroot 6 endroot over rootindex 3 startroot 2 endroot? startfract
LuckyWell [14K]

If we write out the expression √4√6/√3√2, then we get the solution to the surd as 2.

<h3>What is a surd?</h3>

A surd is an irrational number which is often shown as a square root. In this case, we have the value; √4√6/√3√2.

This is the same as; 2√6/√6. This now implies that we can cancel out the surd form which is shown as √6 hence the result of the expression is 2.

Learn more about surd:brainly.com/question/24700530

#SPJ4

4 0
2 years ago
If a triangle has a 50 degree angle and a 60 degree angle, how many degrees is the third angle?
mihalych1998 [28]

Answer:

70

Step-by-step explanation:

has to add up to 180 bro.

I KNOW this will help.

6 0
3 years ago
Read 2 more answers
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