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Viefleur [7K]
3 years ago
15

Which angle is vertical <EFA

Mathematics
1 answer:
zimovet [89]3 years ago
5 0

<u>Angles that are vertical are basically neighbors that are across from each other (numbers across from each other). </u>

Angle <u><CFD</u> would be vertical to <EFA.


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Solve for x<br>6x²+2x-12​
dem82 [27]

Answer:

Step-by-step explanation:

Solving for x means you have to factor. First factor out the GCF of 2 to get:

2(3x^2+x-6) and now we'll factor using the regular old method of ac and then factoring by grouping. In our polynomial, a = 3, b = 1, c = -6. Therefore, a times c is 3 * -6 which is -18. We need some combinations of the factors of 18 that will add to give us 1, the b term in the middle. The factors of 18 are:

1, 18

2, 9

3, 6 and that's it. Hm...it seems that won't work, so let's throw this into the quadratic formula, going back to the original and a = 6, b = 2 and c = -12:

x=\frac{-2+/-\sqrt{2^2-4(6)(-12)} }{2(6)} and

x=\frac{-2+/-\sqrt{4+288} }{12} and

x=\frac{-2+/-\sqrt{292} }{12} and

x=\frac{-2+/-\sqrt{4*73} }{12} and

x=\frac{-2+/-2\sqrt{73} }{12} which finally simplifies to

x=\frac{-1+/-\sqrt{73} }{6} No wonder that didn't factor using the traditional method of factoring! We could have found that out by finding first the value of the discriminant, but oh well!

8 0
3 years ago
What is the trinomial factor of x^3 + y^3 ?
sammy [17]

Answer:

B

Step-by-step explanation:

x³ + y³ ← is a sum of cubes and factors in general as

x³ + y³ = (x + y)(x² - xy + y²)

with trinomial factor (x2 - xy + y2) → B

3 0
3 years ago
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kvv77 [185]

Answer:  3 x 16j

Step-by-step explanation:

3(8j +6) +2j

3 x 14j+2j

3 x 16j

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gulaghasi [49]

Answer:

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2 years ago
What is the volume of this shape
goldfiish [28.3K]

Answer:

volume = 684π m³ or 2148.85 m³

Step-by-step explanation:

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8 0
3 years ago
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