Which answers describe the shape below? Check all that apply.

Mathematics

1 answer:

My name is Ann [436]3 years ago

8 0

Answer:

E and C

Step-by-step explanation:

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How do you calculate 3x-9y?

Illusion [34]

Answer: 3(x-3y)

Step-by-step explanation: first you have to take the 3x and split it up so it can make 3(x-3y) then you have to rewrite it to -9 as 3x3 and then factor out common term 3 which would be your final answer 3(x-3y)

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3 years ago

Find the outlier of the set of data: 80, 71, 75, 69, 74, 17, 82 A. 82 B. 81 C. 74 D. 17

gogolik [260]

D: 17, it is further from the mean than any other number by far.

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4 years ago

If 3a-2b= 8 and a+3b=7 what is the value of 4a+b?

Fittoniya [83]

Step 1: Find the value of one variable in terms of the other.

$a+3b=7\\a=7-3b$

Step 2: Substitute the value you just found for this variable in the other equation.

$3a-2b=8\\3(7-3b)-2b=8\\21-9b-2b=8\\21-11b=8\\21=8+11b\\13=11b\\\frac{13}{11}=b\\ b=1\frac{2}{11}$

Step 3: Use your new value for the second variable to find the first.

$a+3b=7\\a+3(1\frac{2}{11})=7\\a+3\frac{6}{11}=7\\\\a=3\frac{5}{11}$

Now that we know the values for a and b we can find the value of 4a+b.

$4a+b\\4(3\frac{5}{11})+1\frac{2}{11}\\12+\frac{20}{11}+1\frac{2}{11}\\\\12+1\frac{9}{11}+1\frac{2}{11}\\\\\boxed{15}$

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3 years ago

To decrease an amount by 73% what multiplier would yo use?

Ulleksa [173]

You would use 1.73 in order to decrease an amount by 73%

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3 years ago

Read 2 more answers

Do you flip the inequality sign, yes or no? Explain why –5x < 35

Ivahew [28]

Answer:

yes you flip the sign because you are diving by a negative

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3 years ago