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motikmotik
3 years ago
14

Find the percent of the number. 20% of 60 is

Mathematics
2 answers:
polet [3.4K]3 years ago
8 0
Hi

20% of 60 is 12

100%  ⇒ 60
20% ⇒ x 

100x = 60·(20)
100x = 1200
x = 1200/100
x = 12/1
x = 12
exis [7]3 years ago
3 0
"of" means to multiply.
20% * 60
= 0.2 * 60 (since % means divide by 100)
= 12
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B.) Substitute x=4 to the two functions.

f(x) = 2.912345x²<span>+3.131579x-0.099999
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C.) The percentage error is equal to:

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D.) If x is a large number, for example x=10 or x=20, then g(x) would be an overestimate. This is because the value of x is raised to the power of 2. So, as the x increases, the corresponding function would increase exponentially. Even at x=4, g(x) is already an overestimate. What more for larger values of x? That means that the gap from the true answer f(x) would increase.
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So with that in mind, this is how the steps would look:

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