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Cerrena [4.2K]
3 years ago
7

Helppp? if possible

Mathematics
2 answers:
amm18123 years ago
6 0
The answer is x=9 hope this helps
Mice21 [21]3 years ago
3 0

Answer:

x=9

Step-by-step explanation:

8x-14=2(2x+11)

8x-14=4x+22

4x=36

x=9

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Oksana_A [137]

Answer:

17

Step-by-step explanation:

because there are numbers involved

5 0
2 years ago
◆ Quadratic Equations ◆<br>Please help !
Mila [183]
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:

a = 1
b = 2
c = 3
d = 4

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

\sf 1x^2+(1-1(2+3))x+(1)(2)(3)-(4))

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.
3 0
3 years ago
A box of colored pencils contains exactly 6 red pencils. The probability of choosing a red pencil from the box is 2/7. How many
ZanzabumX [31]

Answer:

B.21

Step-by-step explanation:

Calculator

4 0
3 years ago
A recipe shows that the yeast needed for a bread recipe is 2 and one-thirdounces. Which of the following decimals is equivalent
ddd [48]

Answer:

2.3 b

Step-by-step explanation:

i got it right

8 0
3 years ago
There is a pair of parallel sides in the following shape.<br> 9. 5. 3
pogonyaev

Answer:

area of composite shapes is area of rectangle plus area of square what do I know I'm just in 8th grad

5 0
2 years ago
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