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scoray [572]
2 years ago
13

Define a variable and write an expression for the phrase. 8 minus a number 8n 8 – n

Mathematics
1 answer:
Lisa [10]2 years ago
7 0
I think it might be 8-8n 8-n 
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The original price of a scarf was $16. During a store closing sale, a shopper saved $12 on the scarf. What percentage discount d
Andreyy89

Answer:

The discount which she received is 25 %

Step-by-step explanation:

Given as :

The original price of scarf = $ 16

The selling price of scarf = $ 12

Let The discount percentage = d %

So,

Discount percentage = \frac{\textrm market price-\textrm selling price}{\textrm market price} × 100

or, d % = \frac{16-12}{16} × 100

Or, d % = \frac{400}{16}

∴ d = 25%

Hence The discount which she received is 25 %  Answer

6 0
3 years ago
Thanks for all the help how can i repay?
scoundrel [369]

Answer:

All work and answers are in the picture

7 0
3 years ago
Which of the following is not a function?
neonofarm [45]

Answer:

D......................

6 0
2 years ago
charles is 22 years older than his sister danielle. in 10 years he will be twice as old as danielle. how old is each of them now
andriy [413]

9514 1404 393

Answer:

  • Charles: 34
  • Danielle: 12

Step-by-step explanation:

If Charles is 22 years older, he will be double Danielle's age when she is 22. If that is 10 years from now, Danielle is 12 and Charles is 34.

3 0
2 years ago
Which expression is equivalent to r to the 9th over r to the 3rd
alisha [4.7K]

Answer:

r^{6}

Step-by-step explanation:

To make this a bit easier to see, we'll expand that expression.

R to the 9th is just r times itself 9 times. R to the third is r times itself 3 times.

(excuse my bad formatting)

<u>The expression:</u>

<u>r • r • r • r • r • r • r • r • r • 1</u>

             r • r • r • 1

Remember, anything and everything has a coefficient or denominator of 1.

So, we can cancel 3 r's from the numerator and denominator.

<u>r • r • r • r • r • r • 1</u>

             1

Simplify....

\frac{1r^{6}}{1}

That just equals r^{6}.

3 0
2 years ago
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