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sergey [27]
3 years ago
7

I dont know how to do this question i was asked to do on a test 3(w+3)-w

Mathematics
2 answers:
Nostrana [21]3 years ago
7 0
3w + 9 - w so the answer would be (2w-9)
Romashka [77]3 years ago
3 0

Answer:

2w+9

Step-by-step explanation:

3(w+3)-w

distribute

3w+9-w

add like terms

2w+9

and there's ur answer

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How do you use proportions to solve percent problems​
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Step-by-step explanation:

EXAMPLE #1:

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The PERCENT always goes over 100.

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4 appears with the word of:

   It's the WHOLE and goes on the bottom.

A proportion showing one fraction  with PART as the numerator and 4 as the denominator equal to another fraction with 75 as the numerator and 100 as the denominator.

We're trying to find the missing PART (on the top).

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The missing PART equals 4 times 75 divided by 100.

(Multiply the two opposite corners with numbers; then divide by the other number.)

4 times 75 = 100 times the part

300 = 100 times the part

300/100 = 100/100 times the part

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3 years ago
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5 0
3 years ago
A) 120 is what percentage of 30
scZoUnD [109]

Answer:

a ) 400 percent

b )  n = 25

c)  n= 36

Step-by-step explanation:

Is means equals, of means multiply and percents need to be changed to decimals.

a) 120 is what percentage of 30

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Divide each side by 30

120/30 =P* 30/30

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Multiply by 100 to give the percentage

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b) 30 is 120% of what number

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3 0
3 years ago
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over the past five weeks, the average daily temperature in Wellington has dropped 40 degrees Fahrenheit. Write and evaluate ab e
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