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KATRIN_1 [288]
3 years ago
13

Help???????????????????

Mathematics
1 answer:
White raven [17]3 years ago
4 0
First get a common denominator. (3x*2)
x(x-8) -3(3x)
-------------------
3x^2

x^2 - 8x - 9x
------------------
3x^2

x^2 - 17x
--------------
3x^2
The first one is correct

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Please answer this question correctly for 24 points and brainliest!!
amm1812

Answer:

  $110

Step-by-step explanation:

Let a, b, and c represent the earnings of Alan, Bob, and Charles. The problem statement tells us ...

  a + b + c = 480 . . . . . . the combined total of their earnings

  -a + b = 40 . . . . . . . . . . Bob earned 40 more than Alan

  2a - c = 0 . . . . . . . . . . . Charles earned twice as much as Alan

Adding the first and third equations, we get ...

  (a + b + c) + (2a - c) = (480) + (0)

  3a + b = 480

Subtracting the second equation gives ...

  (3a +b) - (-a +b) = (480) -(40)

  4a = 440 . . . . . . . . simplify

  a = 110 . . . . . . . . . . divide by the coefficient of a

Alan earned $110.

_____

<em>Check</em>

Bob earned $40 more, so $150. Charles earned twice as much, so $220.

The total is then $110 +150 +220 = $480 . . . . as required

8 0
3 years ago
The patio shown has an area of 116 square feet. What is the value of h?
Oduvanchick [21]

Answer:

8 ft

Step-by-step explanation:

if we made this into a rectangle (pretend you chop off one of the triangles and glue it to the other one to make a long rectangle), the length would be 10+4.5, or 14.5. to find what h is, we can just divide 116 by 14.5. our answer is 8.

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3 years ago
Solve 3x2 + 4x = 2<br>I need it solved with the quadratic formula​
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3x2+4x=2
6+4x=2
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8 0
3 years ago
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Sonbull [250]

Answer:

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Step-by-step explanation: If you have 10 people and each will get two slices then you will need 20 pieces of pizza because 10x2 is 20. If each pizza has 4 slices then you will need 5 pizzas because 4/20 is 5.

6 0
2 years ago
Read 2 more answers
Will give brainliest
tatiyna

Answer:

y = 4x + -1

Step-by-step explanation:

clearly seen.

3 0
2 years ago
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