3 years ago

What happens to light energy from the Sun when it reaches the surface of Earth?

Mathematics

1 answer:

pav-90 [236]3 years ago

6 0

You're answer is C hope that helps

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The function f(x)=2x^2-8x+7 has a maximum of how many turns?

Gnesinka [82]

Answer:

Step-by-step explanation:

This is a quadratic function which is parabolic in shape. By definition, it has a vertex which serves as the (only) max or min point; 1 turn.

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3 years ago

Find the solution to the system of equations-2 + 2y = -4 3x + 3y = -18

AfilCa [17]

Answer:

$\boxed{x = -2~~and~~ y = -4}$

Step-by-step explanation:

-2x + 2y = -4 (times 3) -6x + 6y = -12

3x + 3y = -18 (times 2) 6x + 6y = -36

-6x + 6y = -12

<u>6x + 6y = -36 </u>+

12y = -48

$y = \frac{-48}{12}$

y = -4

Substitute the value of y to the one of equations

-2x + 2(-4) = -4

-2x - 8 = -4

-2x = -4 + 8

-2x = 4

$x = \frac{4}{-2}$

x = -2

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3 years ago

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6 more than the product of 5 and n

poizon [28]

6 + 5n would be your answer

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3 years ago

What is (3x2+x-1)(x^4-2x+1)

Inga [223]

Answer:

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Step-by-step explanation:

simp

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3 years ago

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Please answer thanks

mamaluj [8]

Answer:

Step-by-step explanation:

$V= ?\\r = 2\\h = 5\\\pi = 3.14\\\\V = \frac{1}{3} \pi*r^{2} *h\\\\V = \frac{1}{3} *3.14*2^{2} *5\\\\V= \frac{1}{3} *12.56*5\\\\V= \frac{1}{3}* 62.8\\\\V = 20.93333333\\\\\\V = 20.93$

In terms of pi

$V= ?\\r = 2\\h = 5\\V = \frac{1}{3} \pi*r^{2} *h\\\\V= \frac{1}{3} *\pi*2^{2} *5\\\\V = \frac{1}{3} \pi*20\\V= 6.67\pi\\$

8 0

3 years ago