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lakkis [162]
3 years ago
7

Help me please thank you so much

Mathematics
1 answer:
wel3 years ago
6 0

Answer: Susan, sam forgot to flip the signs while dividing a negative number.

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Which side lengths form a right triangle 4, 8, 12
Lostsunrise [7]
(4^2+8^2)^.5 = 8.944
It's not 12.
So 4,8,12 can't be the side lengths of a right triangle.
7 0
3 years ago
A savings account earns 5.32% interest in one year. If the account holds $4,978 for the entire year, about how much will it earn
Degger [83]

Answer:

264.8296, or 264.8 simplified.

Step-by-step explanation:

You would multiply 4,978 by 0.532, and you'd get 264.8.

3 0
4 years ago
Hi can i please get help on this question
ser-zykov [4K]

Answer:

2144

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5 0
3 years ago
the average salary for new college graduates with the job is $50,556. A particular University wants to claim his graduates earn
ValentinkaMS [17]

Answer:

Given:

Null hypothesis: the average salary for new college graduates with a job is $50,556.

Alternative hypothesis: the graduates from a university earn more than that average.

Using the z-test:

=> Calculate the value of test statistic:

t = (mean of sample - mean of null hypothesis)/(std/sqrt(number of sample)

 = (53200 - 50556)/(10200/sqrt(100))

 = 2.592 > 1.645

=> Reject the null hypothesis, their graduates earn more than average

Hope this helps!

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4 years ago
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