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GarryVolchara [31]

3 years ago

12

Kevin wants to earn more than $42 trimming trees. He charges $8 per hour and pays $6 in equipment fees. What are the possible nu

mbers of hours Kevin could trim trees?

1 answer:

aliina [53]3 years ago

4 0

Answer:

6 hours is your answer, good luck

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Rewrite it in factored form: x4 - y2 x2

SCORPION-xisa [38]

Answer:

$(x^2+xy)(x^2-xy)$

Step-by-step explanation:

I'm going to write it so I can see it better:

$x^4-y^2x^2$

You can use the difference of squares formula:

$(x^2+xy)(x^2-xy)$

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Step-by-step explanation:

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3 years ago

What is the value of x2+9x+20 when x could be -5, -3 or -6

ANTONII [103]

Answer:

Step-by-step explanation:

You should use a ^ to indicate an exponent. x^2 is the same as x².

x² + 9x + 20

Replace the x with (-5).

(-5)² + 9(-5) + 20 = 25-45+20 = 0

Then do the same with x = (-3):

(-3)² + 9(-3) + 20 = 9 - 27 + 20 = 2

You can do x = (-6)

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Step-by-step explanation:

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