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sertanlavr [38]
3 years ago
12

Find the area. Show your work.

Mathematics
1 answer:
Maksim231197 [3]3 years ago
5 0
9*10(90) - 7*3(21) = 69
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Let’s now add x to both sides of the equation and consider the new equation x squared+5+x=11
irina1246 [14]

Answer:x=3


Step-by-step explanation:x squared is one x.you then add the X's to get 2x.then you subtract the five on the other side to get 2x=6.after you get that you divide both sides by 2 to get x=3

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3 years ago
(Brainliest Award) Peter and Paula are both members of a population, and a simple random sample is being conducted. If the chanc
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If the sample is truly random, every member of the population should have an equal chance to be selected. Because of this, Paula and Peter's probability of being chosen will be equal: 1/9800
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2 years ago
Amelia is looking at the top of a lighthouse. She knows she is 32 feet from the base of the lighthouse. If she is 62 inches tall
podryga [215]

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28.3 feet

Step-by-step explanation:

5 0
3 years ago
In January 2015, the Pew Research Center reported results from one of their surveys. "Asked about whether vaccines for childhood
scZoUnD [109]

Considering the margin of error, it is found that the 95% confidence interval for the percentage of adults who say vaccines should be required is (64.9%, 71.1%).

<h3>What is a confidence interval?</h3>

It is given by the sample statistic plus/minus the margin of error.

In this problem, 68% of adults say such vaccines should be required, with a margin of error of 3.1%, hence:

68% - 3.1% = 64.9%.

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The 95% confidence interval for the percentage of adults who say vaccines should be required is (64.9%, 71.1%).

More can be learned about confidence intervals at brainly.com/question/25890103

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2 years ago
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