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disa [49]
4 years ago
13

Calcule o valor de x, sabendo que as retas “e” “f” e “a” são paralelas

Mathematics
1 answer:
Julli [10]4 years ago
8 0

Answer:

c

Step-by-step explanation:

\frac{x}{25}=\frac{60}{40}\\\\By\:Thales's\:Theorem\\\\x=\frac{60*25}{40}\\\\x=\frac{60*5}{8}\\\\x=\frac{15*5}{2}\\\\x=\frac{75}{2}\\\\x=37.5

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You are a space alien. You visit planet Earth and abduct 97 chickens, 47 cows, and 77 humans. Then, you randomly select one Eart
ale4655 [162]

Answer:

there are 97 + 47 + 77 = 221 creatures from Earth in the alien spaceship.

the probability that a human being is chosen at random = 77 / 221 = 0.3484 = 34.84%

the probability that a chicken is chosen at random = 97 / 221 = 0.4389 = 43.89%

the probability of choosing a cow at random = 100% - 34.84% - 43.89% = 21.27%

4 0
3 years ago
Read 2 more answers
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3 years ago
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Morgarella [4.7K]

Answer:

h(x) = (x + 5)² - 18

Step-by-step explanation:

Given

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add/ subtract ( half the coefficient of the x- term )² to x² + 10x

h(x) = x² + 2(5)x + 25 - 25 + 7

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6 0
4 years ago
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To begin with, this graph has two X values, making it a parabola

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