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Sloan [31]
3 years ago
5

Alexis has a rectangular piece of red paper that is 4 centimeters wide. It’s length is 8 centimeters. She glued a rectangular pi

ece of blue paper on top of the red piece that is 3 Times the with and two times the length. What is the surface area of the blue paper?
Mathematics
1 answer:
sleet_krkn [62]3 years ago
8 0
3(4)x2(8)
12X16
192cm is the surface area of the blue paper
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Find the percent of increase or decrease from the first number to the second number. 140 to 84
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We can automatically see that we are dealing with a percent decrease because we are going from a smaller to a bigger number. We need to first find what percent of 140the number 84 is. to do this we can set up the following equation:

140/84=100/x (this equation is basically saying if 140 is 100(%) what would 84 be?)

solving for x here gives us x = (84 X 100)/140 = 60, so 84 is 60 percent of 140 which means 140 decreased by 40 percent.

Let me know if I can clear anything else up.


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Step-by-step explanation:

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In a graphing program, graph the following 4 functions in the same coordinate plane.
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See below for the changes when the exponential function is transformed

<h3>How to determine the effect of a</h3>

The exponential functions are given as:

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An exponential function of the above form is represented as:

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See attachment for the graph of the four functions.

<u>When a is large</u>

This is represented by y = 14\sqrt{x

In this case, the curve of the base form y = \sqrt x is vertically stretched and it moves closer to the y-axis

<u>When a is small</u>

This is represented by y = 5\sqrt x

In this case, the curve of the base form y = \sqrt x is vertically stretched and it moves away from the x-axis

<u>When a is negative</u>

This is represented by y = -2\sqrt{x

In this case, the curve of the base form y = \sqrt x is vertically stretched and is reflected across the y-axis.

Read more about function transformation at:

brainly.com/question/26896273

#SPJ1

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Which graph represents exponential decay?
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Step-by-step explanation:

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