jordynmcgee123
01.10.2021 •
Mathematics
Draw an isosceles trapezoid (A trapezoid with two equal, non-parallel sides) label the top base 6 cm in the height 4 cm if the area of the trapezoid is 36 cm² what is the length of the other base
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Ответ:
12
Step-by-step explanation:
Givens
b2 = 6 cm
h = 4 cm
Area = 36 cm^2
Formula
Area = (b1 + b2)*h/2
Solution
(6 + b2) * 4/2 = 36 cm
(6 + b2) * 2 = 36 Divide both sides by 2
(6 + b2) = 36/2
(6 + b2) = 18 Remove the brackets
6 + b2 = 18 Subtract 6 from both sides
b2 = 18 - 6 Combine
b2 = 12
Ответ:
0 < x < 2.5
Step-by-step explanation:
-16x² + 38x + 5 = 0
-16x² + 40x - 2x + 5 = 0
-8x(2x-5) - 1(2x-5) = 0
x = -⅛ , 2.5
0 < x < 2.5