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jeyben [28]
2 years ago
15

Simplify and she the steps how to solve this (5t^2 + 4) - (6t^2 - 7t + 1)

Mathematics
2 answers:
Ilia_Sergeevich [38]2 years ago
6 0

Answer:  -t^2 + 7t + 3\\\\

Work Shown:

(5t^2 + 4) - (6t^2 - 7t + 1)\\\\5t^2 + 4 - 6t^2 + 7t - 1\\\\(5t^2 - 6t^2) + 7t + (4-1)\\\\-t^2 + 7t + 3\\\\

torisob [31]2 years ago
4 0

Answer:

<u>11t² + 7t + 3</u>

Step-by-step explanation:

⇒ (5t² + 4) - (6t² - 7t + 1)

⇒ 5t² + 4 - 6t² + 7t - 1

⇒ <u>11t² + 7t + 3</u>

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15

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3 years ago
I’ve done this 3 different way and I’m still getting it wrong someone help I feel dumb
Olegator [25]
<h3>Answer: 13,011.11 dollars</h3>

note: remember to take the comma out or ignore it. I put it in there to help make the number more readable

===========================================

Explanation:

Let x be the value of the sale in dollars.

x-1900 represents the leftover amount that is over 1900

eg: if x = 2200, then x-1900 = 2200-1900 = 300 is the the leftover amount

taking 9% of (x-1900) leads to the expression 0.09(x-1900) and this expression must be 1000 since this is the extra amount of money the salesman needs (he already has $1000 in base pay)

-------------

Solve for x

0.09(x-1900) = 1000

x-1900 = 1000/0.09

x-1900 = 11,111.11111 approximately

x = 11,111.11111 + 1900

x = 13011.1111

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