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andrezito [222]
3 years ago
15

The area of a square floor on a scale drawing is 81 square centimeters, and the scale drawing is 1 centimeter:3 ft. What is the

area of the actual floor? What is the ratio of the area in the drawing to the actual area?
Mathematics
1 answer:
omeli [17]3 years ago
7 0
You do 81 divided by 3 and you get 27 so the answer is 27 ft
Hope this helped!
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A wholesaler requires a minimum of 4 items in each order from its retail customers. The manager of one retail store is consideri
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Answer:

The 1st graph will be perfectly matching the conditions.

Step-by-step explanation:

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Find the positive base $b$ in which the equation $5_b \cdot 23_b = 151_b$ is valid.
DanielleElmas [232]

Answer:

b=7

Step-by-step explanation:

We want to determine the positive base b in which:

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The easiest way to approach this is to convert all the numbers to base 10.

5_b=5Xb^0=5\\23_b =(2Xb^1)+(3Xb^0)=2b+3\\151_b=(1Xb^2)+(5Xb^1)+(1Xb^0)=b^2+5b+1\\Therefore:\\5_b \cdot 23_b = 151_b\\5(2b+3)=b^2+5b+1\\10b+15=b^2+5b+1\\b^2+5b+1-10b-15=0

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Next, we factorize the resulting expression.

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The positive value of b for which the equality hold is 7.

3 0
2 years ago
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