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guajiro [1.7K]
3 years ago
7

Suppose we want to test the claim that less than ½ of Americans are in favor of raising the voting age to 21. Is the hypothesis

test left-tailed, right-tailed, or two-tailed?
Group of answer choices
Mathematics
1 answer:
d1i1m1o1n [39]3 years ago
4 0
Two tailed ..? Lol I haven’t learned this yet but I am taking a guess what two tailed
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A circular swimming pool has a radius of 15 ft. There is a path all the way around that pool that is three feet wide. What is th
daser333 [38]

Answer:

The radius of the circle with the circumfrence we need to find is 15+3=18.

18*2pi=113.04

4 0
3 years ago
Rob notices that 55 percent of the people leaving the supermarket chhose plastic bags instead of paper bags. out of 600 people,
Temka [501]
To solve this answer, you are trying to find 55% of 600, because that is the number of people who chose plastic bag.

55% can be re-written as 55/100 OR 0.55 since percentages are always out of 100.

So, we do 0.55*600, which gives us 330. 330 people carry plastic bags.
4 0
3 years ago
Evaluate 8-2.<br>A. -16<br>B. -64<br>C. -1/64<br>D. 1/64<br> ​
makvit [3.9K]

I'm assuming you meant to write 8^(-2) or 8^{-2} where the -2 is the exponent over the 8.

If my assumption is correct, then we use the rule a^{-b} = \frac{1}{a^b}

So,

a^{-b} = \frac{1}{a^b}\\\\8^{-2} = \frac{1}{8^2}\\\\8^{-2} = \frac{1}{64}

<h3>Answer: Choice D.  1/64</h3>
8 0
2 years ago
Please help me <br><br> 6th grade math
Marta_Voda [28]

Answer:

Late response, sorry. It is 750 meters.

Step-by-step explanation:

An easy method to save time is to just divide the distance by time to find what amount per second it can run. In this case, you have 120 and 4 to work with. Divide and you'll get 30 meters per second. Then, multiply 25(your seconds) by 30(the meters it runs per second) to get your answer.

5 0
2 years ago
she has $4.65 altogether.she had three more quaters than dimes and twice as many nickles as quaters.how many does rancha have?
Pavlova-9 [17]
She has 8 dimes, 11 quarters, and 22 nickels
6 0
3 years ago
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