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Angelina_Jolie [31]
3 years ago
13

(12y2 + 17y - 4) + (9y2 - 13y + 3) =

Mathematics
2 answers:
Anna [14]3 years ago
8 0

Answer:

21y^{2} +4y-1

Step-by-step explanation:

Hello!

(12y^{2} +17y-4)+(9y^{2} -13y+3)

For this, we can combine like terms

12y^{2} +9y^{2}=21y^{2}

17y - 13y = 4y

-4 + 3 = -1

Combine the answers and we get

21y^{2} +4y-1

Hope this Helps!

Anarel [89]3 years ago
4 0

Answer:

21y² + 4y -1

Step-by-step explanation:

(12y² + 17y - 4) + (9y² - 13y + 3)  ---- remove parentheses

= 12y² + 17y - 4y + 9y² - 13y + 3

= 12y² + 9y² + 17y - 13y - 4 + 3  -----grouped like terms

= 21y² + 17y - 13y - 4 + 3

= 21y² + 4y - 4 + 3

<u>= 21y² + 4y - 1</u>

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4 years ago
Last month in the village of 125 people we’re issued a parking ticket. This month only 83 people were issued one. What was the p
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Answer:

the percent reduction is <u>33.6%</u> and the number of people who were issued a parking ticket are <u>42</u>.

Step-by-step explanation:

Given:

Last month in the village of 125 people were issued a parking ticket.

This month only 83 people were issued one.

Now, to find the percent reduction from this month to last month and the number of people who were issued a Parking ticket.

So, the reduction of the number of people who were issued a Parking ticket from this month to last month are:

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Thus, 42 people reduction from this month to last month.

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3 years ago
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klio [65]
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Step-by-step explanation:

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