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Ierofanga [76]
3 years ago
12

What are the solutions to the equation?22 5x 12-0

Mathematics
2 answers:
saveliy_v [14]3 years ago
6 0
The equestion is
2x^2-5x-12=0
we can either try to factor, or use quadratic formula
trial and errot
(x-4)(2x+3)=0
set to zero
x-4=0
x=4
2x+3=0
2x=-3
x=-3/2

x=-3/2 or 4
Lena [83]3 years ago
3 0

2x²-5x-12=0

Factor left side of the equation

(2x+3)(x-4)=0

Set factors equal to 0

2x+3=0 or x-4=0

x=-3/2 or x=4

I hope that's help !

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IRISSAK [1]

Answer:

WT = 34

Step-by-step explanation:

The ultimate goal here to pinpoint what x is equivalent to. In a rectangle we know that the diagonals are congruent as well as the fact that they bisect each other. This means cutting in half. Using this knowledge we know VW = 9x - 11 is half of SU = 16x - 12.

Step One: Multiply 9x - 11 by 2.

2(9x - 11) = 18x - 22

Step Two: Set up your equation

18x - 22 = 16x - 12

Step Three: Solve for x

18x - 22 = 16x - 12

2x - 22 = -12

2x = 10

x = 5

Step Four: Substitute to check your work

16(5) - 12 = 68

9(5) - 11 = 34

Again, since the diagonals of a rectangle bisect each other VW = WT.

34 is half of 68 proving our findings.

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4 years ago
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yarga [219]
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Answer:

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