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mrs_skeptik [129]
3 years ago
15

If f(x) = 9x -2 and g(x) =-2x?, what is the value of f(4) - 9(4)?

Mathematics
2 answers:
otez555 [7]3 years ago
8 0

f(4)=9*4-2 =34 & g(4)= -2*4 =-8 then,

f(4)- g(4) = 34+8= 42

djverab [1.8K]3 years ago
5 0
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What is the sum of (2a - 3b) and (5b - a)
GalinKa [24]

Answer:

\boxed{a + 2b}

Step-by-step explanation:

=  > (2a  - 3b) + (5b - a) \\  \\  =  > 2a - 3b + 5b - a \\  \\  =  > 2a - a + 5b - 3b \\  \\  =  > a + 2b

8 0
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Step-by-step explanation:

8 0
2 years ago
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Sales price is 67.50 sales tax is 5% how much is the total amount paid
Zinaida [17]
$70.88

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cross multiply
100x=337.5
divide 100
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7 0
3 years ago
There are 3 urns A, B and C each containing a total of 10 marbles of which 2, 7 and 4 respectively are red. One of the urns is s
sleet_krkn [62]
<h3>Answer:  7/13</h3>

======================================================

Explanation:

We know that the marble selected is red, so we don't need to focus on the other colors.

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5 0
3 years ago
The hypotenuse of a right triangle is 14 centimeters long. One of the legs of the triangle is 6 centimeters. What is the length
Fed [463]
Use Pythagorean theorem to solve.
a^2 + b^2 = c^2
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Subtract 36 from both sides.
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b^2 = 160
Take the square root of both sides.
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As a simplified radical
b = 4sqrt10
7 0
3 years ago
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