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3 years ago

Please help with the question

Mathematics

2 answers:

Nadusha1986 [10]3 years ago

8 0

Both positive and negative so the answer is D./4

Vanyuwa [196]3 years ago

6 0

The correct answer choice is 4

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Find the measure of the angle and please explain step by step

MrRa [10]

angle 4 is the same as angle 8

angle 7 & angle 8 has to equal 180 degree

so angle 7 and angle 4 also have to equal 180

angle 4 is 3 times the size of 7

lets call 7 (x)

so 4(x) = 180

180/4 =45

x=45

angle 7 is 45 degrees

3 0

4 years ago

A normally distributed population has a mean of 250 pounds

Dima020 [189]

Answer: 0.9746

Step-by-step explanation:

Given : A normally distributed population has a mean of 250 pounds and a standard deviation of 10 pounds.

i.e. $\mu=250$ $\sigma=10$

Sample size : n= 20

Let $\overline{x}$ sample mean values.

Then, the probability that this sample will have a mean value between 245 and 255 be

$P(245$

Hence , the probability that this sample will have a mean value between 245 and 255 is 0.9746 .

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3 years ago

15 lbs equal to ___ kg

LenKa [72]

The answer should be 6.80

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3 years ago

Which of the following is the interest on $6000 at 6% compounded semiannually for eight years?

victus00 [196]

Answer:

9628.24

Step-by-step explanation:

=6000*1+(0.06/2)

=6000 * 1.03^16

=6000*1.604706

=9628.24

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3 years ago

Read 2 more answers

I need to find the length

Sladkaya [172]

Answer:

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Step-by-step explanation:

go back to 1st grade

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4 years ago