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aliya0001 [1]
2 years ago
5

If AB = 2x, and BC = x+5 and AC = 17 find X

Mathematics
1 answer:
8_murik_8 [283]2 years ago
8 0

Answer:

x = 4

Step-by-step explanation:

AB + BC = AC,

2x + x + 5 = 17,

3x = 12,

x = 4

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Solve the equation with quadratic formula<br> y^2+3y-10=0
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Answer:

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Step-by-step explanation:

Because the coefficient is not greater than 1, you can simply solve the problem without the quadratic formula.

By using the "x" method, you must figure out what multiplies to give you -10, and adds to give you 3

So, you find your values as 5 and -2. You then set these values equal to zero in terms of Y. As so---- (y+5)=0 and (y-2)=0

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Is this right ? Im honestly confused
fgiga [73]

Answer:

In step by step

Step-by-step explanation:

For #1, everything is perfect.

For #2, you wrote your functions out incorrectly, but your x input and y output are correct

#3 is a little messed up.

Your function is f(x)=-3x+1. Your given x's are -3, -1, 0, 1, 2, and 3. Plug all of these in.

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3 years ago
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