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3 years ago

The cost of carpeting a sqaure yard is $9.10. How much does it cost to carpet 12.5 square yards?

Mathematics

1 answer:

lesya692 [45]3 years ago

8 0

Answer:

113.75$

Step-by-step explanation:

I. When a square yard = 9.10

so 1 * 9.1 = 9.1

if 12.5 square yard

then 12.5 * 9.1 = 113.75$

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A biologist wants to know the width w of a river in order to properly set instruments for studying the pollutants in the water.

belka [17]

Answer: The river is 148.3 feet wide.

Step-by-step explanation:

Alright, lets get started.

Please refer the diagram I have attached.

The triangle formed is a right triangle.

Using SOH CAH TOA

$tan 56 = \frac{x}{100}$

Multiplying 100 in both sides

$x = 100 \times tan56$

$x = 100 \times 1.4826$

$x = 148.26$

Rounding to the one decimal place

$x = 148.3$

Hence river is 148.3 feet wide. .............. Answer

Hope it will help :)

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3 years ago

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Answer:

Step-by-step explanation:

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2 years ago

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just olya [345]

8 is the missing number
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3 years ago

Solve each of the following quadratic equations 3x=0.5x^2 0=5x^2-2x+6

UNO [17]

Question 1

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Question 2

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2 years ago

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nikdorinn [45]

Answer:

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Step-by-step explanation:

You add all the numbers together and divde it by the amount of numbers there are.

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3 years ago

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