3 years ago

Which expression is equivalent to

1 answer:

Kruka [31]3 years ago

5 0

Answer:

B) 1/x^2

Step-by-step explanation:

Simplify the following:

x^9/x^11

Hint: | For all exponents, a^n/a^m = a^(n - m). Apply this to x^9/x^11.

Combine powers. x^9/x^11 = x^(9 - 11):

x^(9 - 11)

Hint: | Evaluate 9 - 11.

9 - 11 = -2:

Answer: x^(-2) = 1/(x^2)

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horrorfan [7]

F(x)= 3x + 1
f(x)= 3(3) + 1
= 9 + 1
= 10

g(x)= 4x - 5
= 4(3) - 5
= 12 - 5
= 7

So... A. f(x) is greater when x=3

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Komok [63]

That's the empirical rule. Very useful!

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i believe it is true.<span />

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SIZIF [17.4K]

Answer:

Step-by-step explanation:

90% of 20 is 18

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Anna71 [15]

Difference of 2 perfect squares
a^2-b^2=(a-b)(a+b)
25=5^2
x^2-5^2=(x-5)(x+5)=0
set to zero
x-5=0
x=5
x+5=0
x=-5

x=5 or -5

A

6 0

3 years ago