4 years ago

Brainliest if correct ( math )

Mathematics

1 answer:

kodGreya [7K]4 years ago

5 0

Answer:

D because y increases by 0 each time while x increases by 2 each time

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The length of a rectangle is 6 inches longer than its width. If the perimeter of the rectangle is 76 inches, find its length or

alexandr402 [8]

Answer:

length is 22 and width is 16

Step-by-step explanation:

subtract (6*2) from the perimeter. then divide by four, thats you width. now add six to get length. double check your answer and boom

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2 years ago

Hunter spent 2/3 of his money on a video game before spendibg half of his money on lunch. If his lunch money is 10 dollsrs how m

lilavasa [31]

Take 10 and times it by 3 which would equal 30. Now you would do that because 10 is the missing 1/3 so you add 2/3 = 20 plus 1/3 = 10 so 10+20=30. That would be how much money he had at first

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3 years ago

Please help right now. Urgent!!!!!!!!!!!!!!!!!!!!!!!!!

Alecsey [184]

Answer:

Option C 60 degrees

Step-by-step explanation:

we know that

$m\angle RSM+m\angle NML=180^o$ ----> by supplementary angles (consecutive interior angles)

we have

$m\angle NML=120^o$

substitute

$m\angle RSM+120^o=180^o$

$m\angle RSM=180^o-120^o=60^o$

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3 years ago

Simplify the following expression. Write the result using positive exponents only. Assume that all bases are not equal to 0.

Levart [38]

Photo math is ya bestfriend
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3 years ago

The standard deviation for a set of data is 7.5. The mean is 235. What is the margin of error?

blondinia [14]

The margin of error is 0.97849

we are given

mean=235

so,

$n=235$

standard deviation =7.5

so,

$\sigma=7.5$

we know that

ME=2*standard error

and

$SE=\frac{\sigma }{\sqrt{n} }$

If confidence level is 95%, then we can multiply by 1.96

so, we can multiply by 2 to get ME

now, we can use marginal error formula

$ME=\frac{2\sigma }{\sqrt{n} }$

now, we can plug values

and we get

$ME=\frac{2\times 7.5 }{\sqrt{235} }$

$ME=0.97849$

7 0

3 years ago

Read 2 more answers