3 years ago

If x is an integer, then -x is positive true or false

Mathematics

1 answer:

Sliva [168]3 years ago

3 0

False. Because the only way it can be positive if you are determining the absolute value.

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1. Solve for x. Show each step of the solution. 4.5(8 - X) + 36 = 102 - 2.5(3x+24) Answer:

tatuchka [14]

Answer:

x= -10

Step-by-step explanation:

4.5(8 - x) + 36 = 102 - 2.5(3x + 24)

4.5(8) - 4.5(x) + 36 = 102 - 2.5(3x) -2.5(24)

36 - 4.5x + 36 = 102 - 7.5x - 60

72 - 4.5x = 102 - 7.5x - 60

-4.5x = 102 - 7.5x - 60 - 72

-4.5x + 7.5x = -30

3x = -30

x = -30/3

x = -10

Sorry if its wrong, I try my best.

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adell [148]

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Alchen [17]

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3 years ago

F(x)=2(3-x),find f(-7)

Sauron [17]

Answer:

$f(-7) = 20$

Step-by-step explanation:

Given:

$f(x) = 2(3 -x)$

Solving for $f(-7)$ :

$f(-7) = 2(3 -(-7)) \\ f(-7) = 2(3 +7) \\ f(-7) = 2(10) \\ f(-7) = 20$

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Cecilia packed a fruit basket for her new neighbors. If 20% of 30 pieces of fruit were bananas, what fraction of the fruit were

Anettt [7]

Answer:

6/30

Step-by-step explanation:

20 percent of 30 is 6 ^_^

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