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13.3

Step-by-step explanation:

shaded area = area of rectangle - area of semicircle.

5 inch = 12.7cm

6 inch = 15.24 cm

diameter = 12.7

radius = 12.7/2

= 6.35 cm

hence shaded area = (12.7 x 15.24) - (3.14 x 6.35 x 6.35 / 2)

= 193.548 - 63.306325

= 130.241675

= 130.24 (approx.)

answer: $201

step-by-step explanation: to get the answer, you first get 3 nieces that he sold and multiply it by 67 and get $201, so he earned $201 selling his nieces.

x + y = 90 5x – 10y = 90 90 – 10y = 5x 90 + 10y = 5x

step-by-step explanation:

last month maria hiked the 5-mile mountain trail a number of times and she hiked the 10-mile canal trail several times. let x represent the number of times she hiked the 5-mile trail, and let y represent the number of times she hiked the 10-mile trail. if she hiked a total of 90 miles, which equation can be used to find the number of times maria hiked each trail? x + y = 90 5x – 10y = 90 90 – 10y = 5x 90 + 10y = 5x