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san4es73 [151]
3 years ago
8

Please help Really confusied dont do the last 2 at the bottom

Mathematics
1 answer:
Helen [10]3 years ago
6 0
Number one or 2? so i can help you
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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),

such that a*b=30.

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

So the actual dimensions are 100a by 100b.

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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Given the value of the hypotenuse c for a 30°-60°-90° triangle, write the
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Answer:

a= c/2

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