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3 years ago

7

How many quarts of pure antifreeze must be added to 5 quarts of a 10 % antifreeze solution to obtain a 20 % antifreeze soluti

on?

1 answer:

Black_prince [1.1K]3 years ago

4 0

Hey let’s be friends

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Please do question 4 and 5 only. <br><br> I will mark brainliest to well explained answers.

Eva8 [605]

4) D
5) 19d

hope this helps!

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3 years ago

HELPPP i need some help solving this out please explain

Eva8 [605]

2x + 2x + x = 180°
5x = 180°
x = 36° (C)

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3 years ago

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Mr. Gill is draining his pool. The pump he is using changes the water level by −2 1/4 inches per hour. A stronger pump would dra

professor190 [17]

Answer:

-5.625 in/hour

Step-by-step explanation:

−2 1/4 * 2 1/2 = -5.625 in/hour

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3 years ago

The table shown below represents a function. Which of the following values could not be used to complete the table?

geniusboy [140]

<u>Answer:</u>

20 -20 0-15 0-5

<u>Step-by-step explanation:</u>

The original graph

<h3>X Y</h3><h3>-25 -10</h3><h3>-5 10</h3><h3>5 15</h3><h3 />

<u>Hope this helps you :)</u>

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3 years ago

Which is the graph of the solution to the following compound inequality 7x + > 52 or 3 - x > 9

storchak [24]

Answer:

6x + 2; x = 2; 6(2) + 2 = 12 + 2 = 14

Step-by-step explanation:

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3 years ago