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lora16 [44]
3 years ago
7

Which algebraic expression is equivalent to the expression below?

Mathematics
2 answers:
Anna007 [38]3 years ago
8 0

Answer:

Step-by-step explanation:

whattttt

worty [1.4K]3 years ago
8 0
I super sure that the answer it’s letter D
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I need some help please!
adell [148]

Answer:

8 seconds

Step-by-step explanation:

lets first start by plugging in 1024 into initial height

h(t) = -16t^2 + 1024

I would find a Greatest Common Factor (GCF) first

-16(t^2 - 64)     If this is new just think that if you multiply -16 by t squared and -64 you will come back to the original equation

But now we notice that T squared -64 can be factored with the difference of perfect squared method

so we will get -16(t-8)(t+8)

So to get the answers we will set everything equal to 0

-16t =0

t =0 this is the time that the penny was thrown

t-8 = 0

t = 8 the is the time the penny hit the ground

t+8 =0

t= -8 This is an extraneous solution or a solution that doesn't make sense so we just disregard the solution.

3 0
3 years ago
When solving the equation 2x + 5 = 13, what is your first step?
Olin [163]

Answer:

A) Subtract 5 from each side

Step-by-step explanation:

This would be your first step, then you would want to isolate your variable so you would divide both sides by 2.

8 0
2 years ago
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