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natta225 [31]
3 years ago
15

a $ 300 mountain bike is discounted by 30% and then discounted 10% for shoppers who arrive before 5:00am

Mathematics
1 answer:
eimsori [14]3 years ago
6 0
The mountain bike cost $189 after both discounts

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sleet_krkn [62]

Answer:

The length of the missing side x = 47.57 in    

Step-by-step explanation:

Given

Ф = 28°

The length of the side adjacent to the angle Ф is = 42 in

To determine

The hypotenuse x = ?

Using the trigonometric ratio

cos Ф = adjacent / hypotenuse

substitute adjacent = 42 in, hypotenuse = x and Ф = 28°

cos 28° = 42 / x

x = 42 / cos 28°

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Therefore, the length of the missing side x = 47.57 in    

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Rama09 [41]
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Step-by-step explanation:

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3 years ago
The height of a trapezoid is 9 centimeters. The bases are 8 centimeters and 12 centimeters long. Find the area?
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To fond the area of a trapezoid, add the top and bottom together, divide that by 2, than multiply by the height.

Area = (8+12)/2 = 20/2 = 10

10 x 9 = 90 square centimeters.

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