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Eduardwww [97]
2 years ago
7

Karin observed that the water level in the part of the river she observed fell 1.68 millimeters per year for 1.5 years. Use the

distributive property to calculate the exact variation in water level for the time period
Mathematics
1 answer:
DIA [1.3K]2 years ago
4 0

<em><u>Answer</u></em>

In order to use the distributive property I first get the amount of the water fell in ;

<u>One </u><u>year</u>

1.68mm

<u>A </u><u>half</u><u> </u><u>a </u><u>year</u>

½× 1.68mm

= 0.84mm

<u>One </u><u>and </u><u>a </u><u>half </u><u>years (</u><u>Using </u><u>the</u><u> </u><u>distributive</u><u> </u><u>property</u><u>)</u>

1.68mm + 0.84mm

<u>1</u><u>6</u><u>8</u><u>m</u><u>m</u> + <u>8</u><u>4</u><u>m</u><u>m</u>

100. 100

(168÷100) + (84÷100)

(168+84) ÷ 100

252 ÷ 100

<u>2</u><u>5</u><u>2</u>

100

= 2.52mm

Therefore the variation in the water level in the time period was 2.25mm

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The least number of sweaters that must be produced each hour to earn a profit of at least $100 is 37.

<h3>What is inequality?</h3>

It is defined as the expression in mathematics in which both sides are not equal they have mathematical signs either less than or greater than known as inequality.

We have:

A clothing manufacturer produces one type of sweater that earns $4 profit for each one sold.

Let x be the number of sweaters that must be produced each hour to earn a profit of at least $100

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