Solve 5/(r-9)=8/(r+5)

r = 32 1/3 or 97/3

Step-by-step explanation:

Step 1: Cross-multiply.

Step 2: Subtract 8r from both sides.

Step 3: Subtract 25 from both sides.

Step 4: Divide both sides by -3.

Therefore, r = 32 1/3 or 97/3.

answer rather than having to add and subtract the measurements of the semi-circle, notice that the semicircle to the left of ad is actually identical in area to the blank semicircle-shaped space to the left of bc. so if we transferred the red semicircle into the blank space, we would end up with a square of side length 24 cm. the area of a square is s^2 = 24^2 = 676 cm^2.

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step-by-step explanation:

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