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almond37 [142]
3 years ago
15

What is the final cost of a $21,000 car with a sales tax of 7%?

Mathematics
2 answers:
fomenos3 years ago
8 0
21,000 + 0.07(21,000) = 21,000 + 1,470 = 22,470
dangina [55]3 years ago
4 0
21000+1470=22470 is the answer
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The sum of two numbers is 14. When one number is added to twice the other number, the result is 25. Find the numbers
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Let x and y be the two numbers. We have:

\begin{cases}x+y=14\\x+2y=25\end{cases}

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3/5 x 7/9 multiplication​
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2 years ago
Corinne has a job selling magazines. She earns $7.50 per hour plus 20% of the total amount of her sales. She also gets an allowa
maw [93]
PART A
Coefficient
Coefficient h is 7.50
Coefficient s is 0.20

Variable
h and s

Constant
40

PART B
7.50h + 0.20s + 40
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= 187.5 + 60 + 40
= 287.5
She earns $287.5

PART C
Yes, the coefficient of h would change to 9, the rests are still the same. Because she's no longer receive 7.50 per hour, and start earning 9 per hour, so the coefficient should change.
The expression would be
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Answer:

The mode is 75

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