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2 years ago

PART 1!! There’s more to it so please help me!! lesson 3.3.4 Practice: modeling: graphs of functions!

Mathematics

1 answer:

asambeis [7]2 years ago

5 0

Answer:

the first cell next to 3 (time hours x) is 300

the point is (3, 300)

the second cell is 1000

the point is (10,1000)

the values for the second table should be the same if they have the same unit rate which is 100 watts per hour

Step-by-step explanation:

If there is 100 watts perhour just multiply the number of hours by this unit

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Step-by-step explanation:

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3 years ago

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3 years ago

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charle [14.2K]

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3 years ago

What is the answer to 4x-25+75

damaskus [11]

The answer is 4x + 50.

Step by Step: -25+75= 50
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3 years ago

Read 2 more answers

A board is cut so that its length is changed from 8 feet to 6.5 feet. What is the percent of change in length? Round your answer

Schach [20]

it went from 8 to 6.5, namely 8 - 6.5 = 1.5.

if we take the 8 to be the 100%, what is 1.5 off of it in percentage?

$\bf \begin{array}{ccll}amount&\%\\\cline{1-2}8&100\\1.5&x\end{array}\implies \cfrac{8}{1.5}=\cfrac{100}{x}\implies x=\cfrac{1.5\cdot 100}{8}\implies x=18.75$

well, we can round that up to 18.8%, however since it's a subtraction from the board, we can say is -18.8%, a negative percent, because is a percent that was taken out of it.

3 0

3 years ago