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3 years ago

Hallar un numero,cuyo duplo aumentado en 5 es a su cuadruplo disminuido en 5 como 5 es a 7

Mathematics

1 answer:

sesenic [268]3 years ago

4 0

Are we supposed to translate then anwser?

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Answer:

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3 years ago

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SCORPION-xisa [38]

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3 years ago

A circle in the standard (x, y) coordinate plane is tangent to the x-axis at 4 and tangent to the y-axis at 4. Which of the foll

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3 years ago

Question 1 x - 2.5 = -3

MAVERICK [17]

Answer:

x = -.5

Step-by-step explanation:

x - 2.5 = -3

Add 2.5 to each side

x - 2.5+2.5 = -3+2.5

x = -.5

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3 years ago

F(x)=-2x-1 and g(x)=x^2-1. Find (fog)(-5).

serg [7]

Answer: - 49

Step-by-step explanation:

f(x) = -2x - 1

g(x) = $x^{2}$ - 1

fg(x) = f ( $x^{2}$ - 1) , we just put in the value of g(x) , the next thing is to substitute $x^{2}$ - 1 for the value of x in f(x) , that is

fg(x) = -2( $x^{2}$ - 1) - 1

fg(x) = -2 $x^{2}$ + 2 - 1

fg(x) = -2 $x^{2}$ + 1

Therefore : fg(-5) means we will substitute -5 for x in fg(x) , that is

fg(-5) = -2 ( $(-5)^{2}$ + 1

fg(-5) = -2(25) + 1

fg(-5) = -50 + 1

fg(-5) = -49

7 0

3 years ago