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3 years ago

Which property is used in the problem below? 2(x+4)=2x+8

Mathematics

1 answer:

frutty [35]3 years ago

7 0

Answer:

You would use the distributive property.

Step-by-step explanation:

2(x+4) = 2x+8

2x+8x = 2x+8

10x = 2x+8

10x - 2x = 2x-2x+8

8x = 8

8x/8 = 8/8

x = 1

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3. Jorge used 2 packs of pencils in the first 1/3 of the year. At what rate is Jorge using pencils?

ANTONII [103]

Answer:

Jorge is using pencils at a rate of 6 packs a year or a rate of 2 packs every four months.

Step-by-step explanation:

1/3 of a year is four months so that would be 2 packs every four months and if you multiply that by three you’d get 12 month, or one year, and 6 packs of pencils.

7 0

3 years ago

10. Factor Please help me I will mark as brainliest

suter [353]

Answer:

(3w + 7)² or (3w + 7)(3w + 7)

Step-by-step explanation:

Identity

a² + 2ab + b² = (a + b)² = (a + b)(a + b)

Solving

9w² + 42w + 49
(3w)² + 2(3w)(7) + (7)²
(3w + 7)² or (3w + 7)(3w + 7)

6 0

3 years ago

Adult tickets to a basketball game cost $5. Student tickets cost $1. A total of $3,159 was collected on the sale of 1,339 ticket

ivolga24 [154]

Answer:

455 adult tickets
884 student tickets

Step-by-step explanation:

Let "a" represent the number of adult tickets sold. Then 1339-a is the number of student tickets sold. The revenue collected was ...

5a + 1(1339-a) = 3159

4a = 1820 . . . . . . subtract 1339, collect terms

a = 455 . . . . . . . . divide by 4; adult tickets sold

(1339-a) = 884 . . . . student tickets sold

455 adult tickets and 884 student tickets were sold.

5 0

3 years ago

-5(2b + 7) + b < -b - 11

Stells [14]

-5(2b+7) + b < -b - 11
-10b - 35 + b < -b - 11

- 10b + b - 35 < -b - 11

-9b - 35 < -b - 11

- 9b + b < - 11 + 35

-8b < 24

 $\frac{-8b}{-8} \ \textless \ \frac{24}{-8}$

b < -3

Have a nice days.........

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3 years ago

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schepotkina [342]

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4 years ago