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darrenturner
26.08.2020 •
Mathematics
Solve: (8x = 2 x 100]
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Ответ:
x=25
Step-by-step explanation:
8x = 2 x 100
8x=200
Divide both sides by 8
x=25
Ответ:
2 by 100
8x = 200
Divide each term by
8 and simplify.
8 / 8 = 1
200 / 8 = 25
Therefore the correct answer is
X = 25
Ответ:
Answer
5 and -4
Explanation
If the two triangle are congruent then they have the same area.
20 = x² - x
x² - x - 20 = 0
x² - x + (1/2)² = 20 + (1/2)²
(x - 1/2)² = 20.25
x - 1/2 = √20.25
x - 1/2 = 4.5 or x - 1/2 = - 4.5
x = 4 1/2 + 1/2 x = -4 1/2 + 1/2
= 5 = -4
The values of x are 5 and -4.