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sineoko [7]
3 years ago
15

Which products result in a difference of squares? Check all that apply.

Mathematics
1 answer:
Iteru [2.4K]3 years ago
6 0

Answer:

B

Step-by-step explanation:

(w-2.5)(w+2.5)=w(w+2.5)-2.5(w+2.5)

=w²+2.5w-2.5w-2.5²

=w²-2.5²

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What is an equation that relates weight on earth and weight on the moom
stellarik [79]
W=mg 

<span>Where: </span>

<span>Weight = mass * acceleration due to gravity </span>

<span>So let's say I want to work out my weight on the moon. I know I weigh about 70kg (which would be N), but I can't use that figure for the calculation on the moon. That is what I weigh on Earth, so let's look at the equation... </span>

<span>70kg = mass * 9.81m/s^2 </span>

<span>Where 9.81m/s^2 is the acceleration due to gravity on the surface on the earth. I want to get rid of that, so let's work out my mass by division; </span>

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<span>I googled the acceleration of gravity on the Moon, which was = 1.6m/s^2 </span>

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<span>Moon`s gravitational pull is about one-sixth to the gravitational pull on earth hence weight on moon is about one-sixth of the weight on earth.</span>
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