2 years ago

Find the area of this polygon - PLZZZZZ HELP I WILL GIVE 30 points T^T

Mathematics

1 answer:

balu736 [363]2 years ago

5 0

Answer:

82 m should be correct i hope

Step-by-step explanation:

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Kirsten tried to evaluate the expression {12 x 2 - 8} x 2. Her work is below.

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Answer:

step 1

Step-by-step explanation:

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3 years ago

A group.of 29 friends get together to play a sport. First,people.muat be divided into teams. Each team has to have exactly 4 pla

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Step-by-step explanation:

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3 years ago

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Data on the blood cholesterol levels of 6 rats give mean = 85, s= 12. A 95% confidence interval for the mean blood cholesterol o

lana [24]

The <em><u>correct answer</u></em> is:

c)75.4 to 94.6

Explanation:

The formula for a confidence interval is:

$\mu \pm z*(\frac{\sigma}{\sqrt{n}})$ ,

where μ is the mean, z is the z-score associated with the level of confidence we want, σ is the standard deviation, and n is the sample size.

Our mean is 85, our standard deviation is 12, our sample size is 6, and since we want 95% confidence, our z-score is 1.96:

$85\pm 1.96(\frac{12}{\sqrt{6}})=85\pm 9.6=85-9.6, 85+9.6=75.4, 94.6$

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3 years ago

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What’s the correct answer for this?

grigory [225]

Answer:

The answer is 20

Step-by-step explanation:

Reasoning it is correct because for questions like this the bottom numbers for each shape are 10 and 8 they are very close to each other on the number line there fore since the number is two off you subtract 2 and then two again since it is 2 off to get 21 the closest answer is 20

It is a little confusing but since it is two places off you subtract two twice

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3 years ago

Someone annnnswer pls

cupoosta [38]

Answer:

t = 16

Step-by-step explanation:

Hope this helped :]

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