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3 years ago

6

What addition doubles fact can help you find 4+3

1 answer:

PtichkaEL [24]3 years ago

8 0

The answer would be 7

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PLEASE HELP ME ASAP!!!!<br> The top says "Coffee cost $18.96 for 3 pounds."

mezya [45]

I think you divide 18.96 by 3 to get the amount for one pound cost then go pound for pound there

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3 years ago

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goldenfox [79]

Answer:

A

Step-by-step explanation:

x^2 + 7x+ 10. factors out to (x - 2)(x + 5)

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3 years ago

alyssa had 189 dollars to spend on 8 books. after buying them she had 13 dollars. how much did each book cost

Effectus [21]

If you divide 189 by 8 you would get 23.625 but first you have to subtract 13 from 189 (176) then divide it (22) the answer is 22 dollars

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3 years ago

(4x-y=-15)<br>(3x-2y=-10)<br>

Andreyy89

Answer:

<h2>x = -4 and y = -1 → (-4, -1)</h2>

Step-by-step explanation:

$\left\{\begin{array}{ccc}4x-y=-15&\text{multiply both sides by (-2)}\\3x-2y=-10\end{array}\right\\\underline{+\left\{\begin{array}{ccc}-8x+2y=30\\3x-2y=-10\end{array}\right}\qquad\text{add both sides of the equations}\\.\qquad\qquad-5x=20\qquad\text{divide both sides by (-5)}\\.\qquad\qquad\boxed{x=-4}\\\\\\\text{Put the value of x to the first equation.}\\\\4(-4)-y=-15\\-16-y=-15\qquad\text{add 16 to both sides}\\-y=1\qquad\text{change the signs}\\\boxed{y=-1}$

5 0

3 years ago

A straight angle always measures _______________ degrees<br> please help

Tanya [424]

Answer:

180

Step-by-step explanation:

6 0

3 years ago

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