Help plz... algebra hw

1 answer:

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marysya [2.9K]

A, plug in 12 for x and -7 for y to get you’re answer

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3 years ago

timama [110]

Both groups are similar.

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3 years ago

tatyana61 [14]

Answer:

Step-by-step explanation:

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4 years ago

Tomtit [17]

After 5 tests, her average was 88. To have a seven-test average of 90, the total must be:

$90 \times 7 = 630$

Her average after 5 tests was 88. Her total score on the 5 tests is:

$88 \times 5 = 440$

Subtract:

$630-440 = 190$

Find the average by dividing by 2:

$190 \div 2 = 95$

Her average must be 95

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3 years ago

Mandarinka [93]

B. 3/8 is the answer

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3 years ago