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3 years ago

11

By switching service providers , a family's telephone bill decreased from about $ 50 a month to about 44 . What was the percent

decrease ?

1 answer:

anyanavicka [17]3 years ago

6 0

Answer:

12% decrease

Step-by-step explanation:

50 - 44 = 6

6/50 = 0.12 or 12% decrease

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PLEASE HELP 3x – 7 ≥ 4x + 2

sleet_krkn [62]

Hi there!

$\large\boxed{x \leq -9}$

3x - 7 ≥ 4x + 2

Subtract 3x from both sides:

3x - 3x - 7 ≥ 4x - 3x + 2

-7 ≥ x + 2

Subtract 2 from both sides:

-7 - 2 ≥ x + 2 - 2

-9 ≥ x

x ≤ -9

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3 years ago

Select all the expressions that are equivalent to 7(2 - 3n).

Free_Kalibri [48]

Answer:

$\boxed{c. \: 14 - 21n \: \: \: \: and \: \: \: \: d. \: (2 - 3n) \times 7}$

Step-by-step explanation:

$7(2 - 3n) = (2 - 3n) \times 7\\ \\ \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: =(7 \times 2) - (7 \times 3n) \\ \\ \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: = 14 - 21n$

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3 years ago

Four less than a number is greater than–28.

UNO [17]

Answer:

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Step-by-step explanation:

x - 4 > 28

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Answer:

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