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olga_2 [115]
3 years ago
11

Which of the following is not a way to represent the solution of the inequality 2(x − 1) greater than or equal to −12?

Mathematics
1 answer:
maxonik [38]3 years ago
6 0
First you need to simplify the left side of the equation to get 2x-2 \geq -12
Then you add by two on both sides to get 2x \geq -10
Finally you divide by 2 on both sides to get x \geq -5
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Answer:

15% is the discount

Step-by-step explanation:

10 + 5

3 0
3 years ago
Consider this system of equations and the partial solution below.
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The number of fish in a lake decreased by 25% between last year and this year. Last year there were 60 fish in the lake. What is
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Answer:

45

Step-by-step explanation:

Decreasing by 25% means that there is 25% less of last years amount or 0.25x less. It also means that this year there is only 75% of what was last year actually in the lake or 0.75x. Since last year, there were 60 fish, this means this year there is 0.75(60) = 45. This year has 45 fish.

Credit to this answer goes to @MrsStrong

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3 years ago
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Which expressions are equivalent to 2(b+3c)?
Rina8888 [55]

Answer:

B. (b+3c)+(b+3c)

C. 2(b)+2(3c)

Step-by-step explanation:

we have

2(b+3c)

Distribute the number 2

2(b+3c)=2b+2(3c)=2b+6c

Verify each case

case A) 3(b+2c)

distribute the number 3

3(b+2c)=3b+3(2c)=3b+6c

3b+6c \neq 2b+6c

therefore

Choice A is not equivalent to the given expression

case B) (b+3c)+(b+3c)

Combine like terms

b+3c)+(b+3c)=(b+b)=(3c+3c)=2b+6c

2b+6c= 2b+6c

therefore

Choice B is equivalent to the given expression

case C) 2(b)+2(3c)

Multiply both terns by 2

2(b)+2(3c)=2b+6c

2b+6c= 2b+6c

therefore

Choice C is equivalent to the given expression

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3 years ago
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A rectangle measures 15/2 inches by 4/3 inches. What is its area?
fenix001 [56]
10 inches squared. Area is length times width. 15/2 x 4/3 = 60/6 = 10^2.
8 0
2 years ago
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