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kifflom [539]
3 years ago
13

Perform the indicated operation 1. (12 + 3) - 7 = N

Mathematics
1 answer:
lubasha [3.4K]3 years ago
8 0

Answer:

N = 8

Step-by-step explanation:

(12 + 3) - 7 = N

=> N = (12 + 3) - 7

=> N = 15 - 7

=> N = 8

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Simplify<br> 8 plus 4 squared minus 3(7) plus 3 squared
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8+4^2-3(7)+3^2
8+16-3(7)+9
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3+9
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4 years ago
You receive 15% of the profit from a car wash how much money do you receive from a profit of 300
Fittoniya [83]

Answer: 45


Step-by-step explanation:


300 * 0.15 = 45



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This caption needs to be 20 words long, but my picture explains everything lol... i hope this helps :)

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George desposit is as follows: Checks: $63.21, $37.79, and $15.50; cash: 24 one-dollar bills, 11 ten-dollar bills, 20 quarters,
Maksim231197 [3]

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$258.10

Step-by-step explanation:

4 0
4 years ago
Kelly price sells college textbooks on commission. She gets 8 % on the first $7500 of​ sales, 16% on the next $7500 of​ sales, a
Solnce55 [7]

Answer:

The commission would be $ 920.

Step-by-step explanation:

Given,

Sales in 1997 ​= $ 9500,

Since, there is a commision of 8 % on the first $ 7500 of​ sales, 16% on the next $ 7500 of​ sales, and 20% on sales over $ 15,000,

If x represents the total sales,

Commission for x ≤ 7500 = 8% of x = 0.08x,

Commission for 7500 < x ≤ 15000 = 8% of 7500 + 16% of (x-7500)

= 600 + 0.16(x-7500),

Commission for 7500 < x ≤ 15000 = 8% of 7500 + 16% of 7500 + 20% of (x-15000)

= 600 + 1200 + 0.20(x-15000)

= 1800 + 0.20(x-15000)

Thus, the function that shows the given situation,

f(x)=\left\{\begin{matrix}0.08x & x \leq 7500\\ 600+0.16(x-7500) & 7500 < x \leq 15000\\ 1800+0.20(x-15000) & 15000 < x\end{matrix}\right.

Since, 9500 lies between 7500 and 15000,

Therefore, the commission would be,

f(9500)= 600 + 0.16(9500 - 7500) = 600 + 320 = $ 920

7 0
4 years ago
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