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Step2247 [10]
3 years ago
6

URGENT, PLASE HELP! 10pts

Mathematics
1 answer:
Alex73 [517]3 years ago
5 0

Answer:

m(-1)^n - 1

Step-by-step explanation:

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The radius of a circle is 9 1/4 mm. what is the circumference in terms of pi?
kirill [66]
The formula to find the circumference of a circle is C=2*pi*r.
Substitute 9 1/4 or 9.25 for r.
C=2*pi*r
C=2*pi*9.25
C=18.5pi
The circumference of the circle would be 18.5pi.
4 0
4 years ago
Read 2 more answers
Cory has only dimes in his piggy bank. A dime is worth 10 cents. Which could be the value of the money in Cory's piggy bank?
Sergeeva-Olga [200]

Answer:

It depends on how many dimes are in the piggy bank. It could be any answer that didn't have a 5 in the tenths place. For example, it couldn't be a number like $1.05 because any whole number multiplied by 10 would end in a 0

5 0
3 years ago
Lucy is using a one-sample t‑test based on a simple random sample of size n=27 to test the null hypothesis H0:μ=8.000 cm against
Mandarinka [93]

Answer: t= 0.866

Step-by-step explanation:

Formula to find t-test statistic :

t=\dfrac{\overlien{x}-\mu}{\dfrac{\sigma}{\sqrt{n}}}

where, n= sample size

\overline{x}= sample mean

\mu= Population mean

s=sample standard deviation

Given : Null hypothesis : H0:μ=8.000 cm

Alternative hypothesis : H1:μ<8.000 cm , since alternative hypothesis is one-tailed , so the test is one-tailed test.

n= 27\\ \overline{x}=8.137\ cm\\ s=0.822\ cm

Then , the t‑statistic for this test will be :-

t=\dfrac{8.137-8.000}{\dfrac{0.822}{\sqrt{27}}}

t=\dfrac{0.137}{0.15819}=0.86604715848\approx0.866

Hence, the value of the t‑statistic for this test : t= 0.866

3 0
4 years ago
What is the percentage increase of a room that is the size of 96 square feet to a room that is 108 square feet?
katrin [286]

Answer:

12.5% increase OR 112.5% Percentage of Change

Step-by-step explanation:

For this problem consider that our original maximum value is 96 square feet, but our new maximum value is 108 square feet. So to find the change as a percentage (in this case the increase) use the following formula:

Percentage of Change = ( New Maximum / Old Maximum ) * 100

So, let's use this formula to find the percentage change of the room.

Percentage of Change = ( 108 / 96 ) * 100

Percentage of Change = (1.125) * 100

Percentage of Change = 112.5

So the percentage of Change is 112.5%. Note, the old maximum is the point of comparison which is 100%.

So to find the increase, we will do 112.5% - 100% to get 12.5%. Hence, we have a 12.5% increase of a 108 square foot room compared to a room of 96 square feet.

Cheers.

6 0
3 years ago
Please help with this question.
Hitman42 [59]

Answer:

m < A = m < B.

Step-by-step explanation:

7 0
4 years ago
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