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3 years ago

Please select the word from the list that best fits the definition

Mathematics

1 answer:

blagie [28]3 years ago

3 0

Answer: the answer is D mean

Step-by-step explanation: because mean is when you add them all up and divide it by the number. hope it helps :)

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Pia bought a pair of shoes on sale for 30% off. If pia paid $63 for the pair of shoes, what was the original price?

cluponka [151]

So if she got them at 30% off that means

$63 = 70%
divide both sides by 70 to get 1%
$0.90 = 1%
multiply by 100 to get full price
$90 = 100%

original price was $90

4 0

4 years ago

If you get a 70 on a test and you get 21 questions right how many questions are on teh test

Brrunno [24]

21 70
x 100

x=(21*100)/70=30

7 0

4 years ago

If f(x) = <img src="https://tex.z-dn.net/?f=%5Cfrac%7B1%7D%7B9%7D" id="TexFormula1" title="\frac{1}{9}" alt="\frac{1}{9}" align=

boyakko [2]

Answer:

Solution given:

f(x) = $\frac{1}{9}$ x-2

let f(x)=y

y = $\frac{1}{9}$ x-2

interchanging role of x and y

x= $\frac{1}{9}$ y-2

x+2= $\frac{1}{9}$ y

y=9(x+2)

y=9x+18

F-¹(x)=9x+18

and

F-¹(-1)=9*-1+18=-9+18=9

6 0

3 years ago

BRAINLIEST

fomenos

The answer is C (Length=32 feet and Width=24 feet)

5 0

3 years ago

23 + 8m + 4n - 5m - 27

mylen [45]

Answer:

$-4 + 3m + 4n$

Step-by-step explanation:

In this question, you are combining like terms, meaning doing equations to numbers that fit with only each other.

So we should start on the number without variables:

23 and 27

Match them up together and you should find your first equation:

23 - 7

==> -4

So we should have -4 + 8m + 4n - 5m

Now we should combine the numbers with the variable of m:

8m and 5m

Match them up together and you should find your first equation:

8m - 5m

==> 3m

So we should now have -4 + 3m + 4n

Since there are no other variables of n, we are all done:

-4 + 3m + 4n is your final answer

4 0

3 years ago