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Arada [10]
3 years ago
14

(3^2 + 9x + 6) − (8^2 + 3x − 10) + (2x + 4)(3x − 7)

Mathematics
1 answer:
inna [77]3 years ago
3 0
(12+9x) - (6+3x) + 6x + -3
6+3x + 6x+-3
3+ 9x
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Evaluate the expression for x = - 5 and y = 7 <br><br> 2x+3y-11
jolli1 [7]

Answer:2(-5)+3(7)-11=-10+21=11-11=0

Step-by-step explanation:

4 0
2 years ago
-) In a poll, 9 out of 25 students in Lydia's science class say they will vote for her for class president.
V125BC [204]
A) Divide and compare in decimal form -
9/25 = 0.36
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B) Fraction to decimal conversion:
4/16 = 2/8 = 1/4 = 0.25

Use long decision or a calculator - 1 divided by four

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0 0
3 years ago
In a study, 8 people ate a total of 1,312 pounds of potatoes in 2 years.
cricket20 [7]

Answer:

83.125 pounds of potatoes

Step-by-step explanation:

1. Divide 1,312 by 2

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This means that in 1 year 8 people ate 665 pounds of potatoes.

2. Divide 665 by 8

    665/8 = 83.125

This means that in 1 year 1 person ate 83.125 pounds of potatoes.

5 0
3 years ago
Over the last three evenings, Debra received a total of 110 phone calls at the call center. The second evening, she received 4 t
Elza [17]

Answer:

See below.

Step-by-step explanation:

Total = 110

Let calls on third evening = x

second evening = 4x

first evening = x + 8

=> x + 4x + x + 8 = 110

=> 6x = 102

=> x = 17

First evening = x = 17 calls

Second evening = 4x = 68 calls

Third evening = x + 8 = 25 calls

4 0
2 years ago
Find the selling price of a 270% bicycle with a 24% markup
Alenkinab [10]

Answer:

hm I say C yess

Step-by-step explanation:

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5 0
2 years ago
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