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nignag [31]
3 years ago
5

Simplify the rational expression: 4a²-36/24-8a (__/2)

Mathematics
1 answer:
Pavlova-9 [17]3 years ago
3 0

Answer:

  • - (a + 3) / 2

Step-by-step explanation:

  • (4a² - 36)/(24 - 8a) =
  • 4( a² - 9) /8(3 - a) =
  • ( a² - 9) /2(3 - a) =
  • (a + 3)(a - 3)/2(3 - a) =
  • - (a + 3) (3 - a)/2(3 - a) =
  • - (a + 3) / 2
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Can someone please help me this this??
Brrunno [24]

Answers:

bio = 258

sociology = 169

============================================================

Work Shown:

x = number of bio textbooks

y = number of sociology textbooks

x+y = 427 books sold total

y = x-89 since 89 less sociology textbooks were sold compared to bio

Apply substitution to get the following

x+y = 427

x+x-89 = 427 ... replace y with x-89

2x-89 = 427

2x = 427+89

2x = 516

x = 516/2

x = 258 bio textbooks were sold

y = x-89

y = 258-89

y = 169 sociology textbooks were sold

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Answer:

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Step-by-step explanation:

0.000049 → 4.9

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When two angles are supplementary, that means that the sum of their individual angles is equal to a straight line, which is 180°. If you add another restriction where the two supplementary angles are equal, then each vale of the angle constitutes half of 180°. Then, that means that ∠A = ∠B = 90°. The answer is C.
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3 years ago
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A taco cart sells burritos for 3$ and tacos for 2$.on a busy afternoon,486 items were sold worth a total of 1218$.How many burri
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Amelia and her brother had a snow day, so they played in the snow for 3 hours. During that time, it snowed another 4.8 inches. I
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Answer:

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Step-by-step explanation:

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