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Chynadoll94
22.07.2019 •
Mathematics
To prepare for the party, the host made a large batch of punch. the recipe makes 8 gallons of punch. how many cups of punch can be served from this batch? a. 24 b. 128 c. 64
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Ответ:
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.