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Amiraneli [1.4K]
2 years ago
9

Find (f*g)(x) f(n)=2n; g(n)= -n-4

Mathematics
2 answers:
SCORPION-xisa [38]2 years ago
6 0

Answer:

sorry

Step-by-step explanation:

i donut instand?

andreyandreev [35.5K]2 years ago
3 0
-2x^2-8 is the answer good luck
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1) Give 5 examples of a difference of two perfect squares
Katyanochek1 [597]

ᴀɴsᴡᴇʀ:

<u>1.Example, x²-25 can be factored as (x+5)(x-5).</u>

<u> </u>

<u>2.This method is based on the pattern (a+b)(a-b)=a²-b², which can be verified by expanding the parentheses in (a+b)(a-b).</u>

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<u>3.When an expression can be viewed as the difference of two perfect squares, i.e. a²-b², then we can factor it as (a+b)(a-b). For example, x²-25 can be factored as (x+5)(x-5).</u>

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8 0
2 years ago
A healthy human heart beats about 1,533,000 times a year. A sparrow's heart beats about 241,776,000 times in a year. About how m
Galina-37 [17]

Answer:

About 158 times

Step-by-step explanation:

Represent the rate of human heart with H and sparrow's heart with S

H = 1,533,000\ times

S = 241,776,000\ times

Required

Determine how many times faster is S than H

To do this, we simply divide S by H i.e.

Number = \frac{S}{H}

Number = \frac{241,776,000}{1,533,000}

Number = 157.714285714

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<em>Hence, the sparrow's heart beats about 158 times faster than the human hearts</em>

5 0
2 years ago
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lana [24]

Answer:

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Step-by-step explanation:

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7 0
2 years ago
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Answer:

a

Step-by-step explanation:

the equation for a circle centered at orgin is x^2+y^2=r where r is the radius. multiplying, adding, or subtracting any numbers to the x and y components such as the other choices here causes the circle to be translated about the graph.

5 0
2 years ago
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1060.5263157 etc your teacher prob tells you to round 
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