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SOVA2 [1]
3 years ago
15

Math help plz. Explanation for each plz!!, thx 9th grade math

Mathematics
1 answer:
Aleks04 [339]3 years ago
4 0

Answer:

4230--W291-WW3

Step-by-step explanation:

im -2 hi

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◆ Quadratic Equations ◆<br>Please help !
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I'm sure there's an easier way of solving it than the way I did, but I'm not sure what it could be. Never dealt with a problem like this before.

Anyway, I just plugged in and tested. Chose random values for a, b, c, and d, which follow the rule 0 < a < b < c < d:

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b = 2
c = 3
d = 4

\sf ax^2+(1-a(b+c))x+abc-d)

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Simplify into standard form:

\sf x^2+(1-1(5))x+6-4

\sf x^2+(1-5)x+2

\sf x^2-4x+2

Use the quadratic formula to solve:

\sf x=\dfrac{-b\pm\sqrt{b^2-4ac}}{2a}

For functions in the form of \sf ax^2+bx+c. So in this case:

a = 1
b = -4
c = 2

Plug them in:

\sf x=\dfrac{4\pm\sqrt{(-4)^2-4(1)(2)}}{2(1)}

Solve for 'x':

\sf x=\dfrac{4\pm\sqrt{16-8}}{2}

\sf x=\dfrac{4\pm\sqrt{8}}{2}

\sf x\approx\dfrac{4\pm 2.83}{2}

\sf x\approx 0.59,3.41

So the answer would be A.
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3 years ago
Based on the dotplot of the simulation results and the
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If there are four slices of turkey on Hector's sandwich, how much does the turkey on his sandwich cost?
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