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TEA [102]
3 years ago
11

(2r^2-2r-40)/(8r+32)​

Mathematics
1 answer:
Morgarella [4.7K]3 years ago
5 0

Answer:

(r - 5)

-------

 4

Step-by-step explanation:

(2r^2-2r-40)/(8r+32)​

Factor

= 2(r^2 - r - 20) / 8(r + 4)

= (r^2 - r - 20) / 4(r + 4)

= (r + 4)(r - 5) / 4(r + 4)

= (r - 5) / 4

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3 years ago
A triangle has sides with lengths of 9 yards, 12 yards, and 15 yards. Is it a right triangle?
9966 [12]

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Step-by-step explanation:

Plug your values into the Pythagorean Theorem to check if they make sense

3 0
3 years ago
Math test , if 9 = 90 , 8 = 72 , 7 = 56 , 6 = 42 , 3 = ?
eimsori [14]

Answer:

12

Step-by-step explanation:

7 0
2 years ago
Read 2 more answers
1 3 fourth +1half+1 fourth+ 1 half
Leona [35]
The answer is 2
------------------------
6 0
3 years ago
Anyone know the answer to this?
kiruha [24]

Answer:

42

Step-by-step explanation:

Angle ABD = Angle CBD + Angle ABC

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Replacing x in Angle ABC:

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6 0
3 years ago
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