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3 years ago

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Emily is having a bad cold. She uses up of a box of tissues every day. How many boxes of tissues does she need to buy if she exp

ects the cold to last for? days? How many boxes does she need to buy so she doesn't run out of tissues?

1 answer:

Annette [7]3 years ago

3 0

Answer:

Step-by-step explanation:

1 per day Taylor , but the question doesn't say how many days... :/

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3 years ago

Mikaela placed a frame around a print that measures 10 inches by 10 inches. The area of just the frame itself is 69 square inche

olchik [2.2K]

Answer:

1.5 in

Step-by-step explanation:

Let x be the width of the frame.

Side of print=10 in

Area of frame=69 square in

We have to find the width of the frame.

Side of frame=10+x+x=10+2x

Area of square= $(side)^2$

By using the formula

Area of print= $10\times 10=100in^2$

Area of frame with print= $(10+2x)^2$

Area of frame=Area of frame with print-Area of print

$69=(10+2x)^2-100$

$(10+2x)^2=69+100=169$

$(10+2x)=\sqrt{169}=\pm 13$

$10+2x=13$

Because Side is always positive.

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$x=\frac{3}{2}=1.5$

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3 years ago