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slavikrds [6]
3 years ago
5

Steps for variables and expressions?

Mathematics
1 answer:
ArbitrLikvidat [17]3 years ago
8 0
IT DEPENDS.. I can answer if u can be more specific

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What quadrant would you find the ordered pair ( correct answer gets brainliest)
zhenek [66]

Answer:All coordinate pairs that are in Quadrant I will have a positive x value and a positive y value. All coordinate pairs that are in Quadrant II will have a negative x value and a positive y value. All coordinate pairs that are in Quadrant III will have a negative x value and a negative y value.

Step-by-step explanation:ebob

8 0
3 years ago
after 45 sec camdens bathtub fills with 3 inches of water how many seconds will it take to fill tub with 20 inches of water?
Marizza181 [45]
3/45 = 20/x...3 in to 45 seconds = 20 in to x seconds
cross multiply
(3)(x) = (45)(20)
3x = 900
x = 900/3
x = 300...300 seconds (or 5 minutes)to fill the tub with 20 inches
4 0
4 years ago
A human resources representative claims that the proportion of employees earning more than $50,000 is less than 40%. To test thi
bearhunter [10]

Answer:

The statistic for this case would be:

z=\frac{\hat p -p_o}{\sqrt{\frac{\hat p(1-\hat p)}{n}}}

And replacing we got:

z= \frac{0.436-0.4}{\sqrt{\frac{0.436*(1-0.436)}{700}}}= 1.92

Step-by-step explanation:

For this case we have the following info:

n =700 represent the sample size

X= 305 represent the number of employees that earn more than 50000

\hat p=\frac{305}{700}= 0.436

We want to test the following hypothesis:

Nul hyp. p \leq 0.4

Alternative hyp : p>0.4

The statistic for this case would be:

z=\frac{\hat p -p_o}{\sqrt{\frac{\hat p(1-\hat p)}{n}}}

And replacing we got:

z= \frac{0.436-0.4}{\sqrt{\frac{0.436*(1-0.436)}{700}}}= 1.92

And the p value would be given by:

p_v = P(z>1.922)= 0.0274

4 0
4 years ago
What is the fraction of 33%
True [87]

Answer:

The fraction form of 33% is 1/3

6 0
4 years ago
Read 2 more answers
Find the area of a circle, diameter measures 30 ft​
Furkat [3]

Answer:

The A≈706.86

Step-by-step explanation

A=πr2

d=2r

Solving for A

A=1

4πd2=1

4·π·302≈706.85835

Hope this helps : )

8 0
3 years ago
Read 2 more answers
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