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ehidna [41]
3 years ago
14

Solve 3x ^2 + 2 = 11 - x ^2

Mathematics
1 answer:
ale4655 [162]3 years ago
4 0
2x=3 or x=3/2 i think thats right
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Select the ordered pairs that are on the x-axis. Choose all that apply.
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both are true because they do not have a y coordinate, meaning they dont move off of the x-axis
6 0
3 years ago
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Tracy needs to find the length and width of the equipment room where she works. The room is 2 meters longer than it is wide. The
Alekssandra [29.7K]

Answer:

The answer to your question is: width = 3 meters

Step-by-step explanation:

Data

Perimeter = 16 meters

The room is 2 meters longer than its width, then   length = width + 2

Perimeter = 2 length + 2 width

   16 =  2(width + 2) + 2 width

    16 = 2 width + 4 + 2 width

   16 = 4 width +4

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8 0
3 years ago
-12 increased by half of a number is 28. What is the number
Nadya [2.5K]

Answer:

80

Step-by-step explanation:

28-28=0

0-12= -12

28+12 = 40

28-40 = -12

40 is the increase

40 is half of 80

So, the answer is 80

To check: -12 + 40 (half of a number; 80) = 28

Hope this makes sense. If you require further information, do not hesitate to ask!

3 0
2 years ago
Read 2 more answers
Please help I will give brainlyiest fast please help fast
lana [24]

Answer:

  • A. 49.

Step-by-step explanation:

<u>Given equation:</u>

  • -11 2/3 * (-4 1/5)

<u>Simplify, then solve:</u>

  • -11 2/3 * (-4 1/5)
  • = -35/3 * (-21/5)
  • = \frac{-35 * (-21)}{3 * 5}
  • = 735/15
  • = 49.

Your answer is A. 49.

5 0
2 years ago
!!!29 POINTS!!!Will give brainlest!!!
Ludmilka [50]
A:16/333 b:16/33 c:12/25
7 0
3 years ago
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