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Agata [3.3K]
3 years ago
7

Calculate and express your answer in decimal form: (0.2)⋅40

Mathematics
1 answer:
Nataliya [291]3 years ago
7 0

Answer:

I got 8

Step-by-step explanation:

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On a floor plan drawn at a scale of 1:100, the area of a rectangular room is 30
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Assume that the dimensions of the room in the plan are a (width ) by b (length),

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Since the scale is 1:100, a represents 100a, and b represents 100b.

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The area is 100a*100b=a*b*10,000=30*10,000=300,000 (square units)



Answer:  300,000 (square units)


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What is the mean, Median, Mode and Range of 8, 10, 3, 9, 12, 4, and 3
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3 years ago
How much money will you have if you started with $1200 and put it in an account that earned 7.3% every year for 10 years?
andrezito [222]
So an exponential equation is gonna be used for this problem. The formula for such is y=ab^x , in which the a variable is the initial value and the b variable is the growth/decay rate.

For this situation, 1200 is gonna be your a variable since you've started out with it. And as for your b variable, its gonna be 107.3%, or 1.073, since it's increasing.

Your equation should look like this: y=1200(1.073)^x and from here just plug in 10 into the x variable and solve.

Multiply (1.073)^10 (don't round answers until the end), and take that answer and multiply it with 1200, your answer should be $2427.61.

y=1200(1.073)^{10} \\ y=2427.61
8 0
3 years ago
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