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zaharov [31]
2 years ago
12

Use the model to solve for x.

Mathematics
1 answer:
Igoryamba2 years ago
6 0

Answer:

Shouldn't there be a picture if we're told to reference the model?

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Multiply y^2-16/2y . 5y/y-4
alisha [4.7K]
So, first we multiply the fraction by using the formula a/b times c/d= a times c/b times d
=(y^2-16) times 5y/2y(y-4)
Now, we cancel the common factor y
=(y^2-16) times 5/2(y-4)
Now, we factor 5(y^2-16)
We factor (y^2-16) first
y^2-16
Rewrite 16 as 4^2
y^2-4^2
Now, apply the formula x^2-y^2=(x+y)(x-y)
=y^2-4^2=(y+4)(y-4)
=5(y+4)(y-4)
=5(y+4)(y-4)/2(y-4)
Cancel the common factor y-4
=5(y+4)/2
Answer: 5(y+4)/2



5 0
3 years ago
Which set is closed under multiplication?
Sav [38]
I think the answer is D
5 0
2 years ago
Please help find mDF!!
Natalka [10]

9514 1404 393

Answer:

  72°

Step-by-step explanation:

The external angle E is half the difference of subtended arcs CG and DF.

  E = (CG -DF)/2

  2E = CG -DF . . . . . . multiply by 2

  DF = CG -2E = 160° -2(44°) . . . . . add DF-2E to both sides; substitute values

  arc DF = 72°

4 0
2 years ago
I NEED THIS ONE FAST TOO PLEASE HELP
Elza [17]

Answer:

50 almost 100% sure

Step-by-step explanation:

4 0
2 years ago
Evaluate.<br><br> {3−[−4−(6+2)]}⋅(−5)<br><br> A−75<br><br> B−57<br><br> C−15<br><br> D−9
Nady [450]

Step-by-step explanation:

please mark me as brainlest

3 0
2 years ago
Read 2 more answers
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