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Xelga [282]
3 years ago
13

Help please..................

Mathematics
1 answer:
Ivahew [28]3 years ago
8 0
(f+g)(x) = f(x) + g(x)
(f+g)(x) = [ f(x) ] + [ g(x) ]
(f+g)(x) = [ 3x-2 ] + [ 2x+1 ]
(f+g)(x) = (3x+2x) + (-2+1)
(f+g)(x) = 5x - 1

Answer is choice B
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For which equation does it make the most sense to solve by completing the square?
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The equation for which square method is possible is x²-8=1

Step-by-step explanation:

For checking which of the equation satisfies the complete square condition, we proceed by checking each of the available options

1). x²+20x=52

Rewriting it as  x²+20x-52

This binomial expression is not a perfect square since the product of the coefficient of x²(i.e. 1) and independent constant (i.e. 52) is not a perfect square.

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Step-by-step explanation:

Velocity:

The velocity is given by the following formula:

v = \frac{d}{t}

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2/3 mile in 1/3 hour .

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