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3 years ago

The trinomial 2x^2+13x+6 has a linear factor of x+6. 2x^2+13x+6=(x+6)(?).what is is the other linear factor?

Mathematics

1 answer:

lakkis [162]3 years ago

7 0

Answer:

(2x +1)

Step-by-step explanation:

The first term in the trinomial is the product of first terms, so the missing factor's first term will be ...

2x^2/x = 2x

The last term (constant) in the trinomial is the product of last terms, so the missing factor's constant is ...

6/6 = 1

The missing linear factor is (2x +1).

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What grade average is 79.2 out of 120

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Answer:

66%

Step-by-step explanation:

Divide 79.2 by 120 and multiply by 100

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3 years ago

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Sin α = 21/29, α lies in quadrant II, and cos β = 15/17, β lies in quadrant I Find sin (α - β).

Sever21 [200]

$\sin(\alpha-\beta)=\sin\alpha\cos\beta-\cos\alpha\sin\beta$

$\sin\alpha=\dfrac{21}{29}\implies \cos^2\alpha=1-\sin^2\alpha=\dfrac{400}{841}$

Since $\alpha$ lies in quadrant II, we have $\cos\alpha$ , so

$\cos\alpha=-\sqrt{\dfrac{400}{841}}=-\dfrac{20}{29}$

$\cos\beta=\dfrac{15}{17}\implies\sin^2\beta=1-\cos^2\beta=\dfrac{64}{289}$

$\beta$ lies in quadrant I, so $\sin\beta>0$ and

$\sin\beta=\sqrt{\dfrac{64}{289}}=\dfrac8{17}$

So

$\sin(\alpha-\beta)=\dfrac{21}{29}\dfrac{15}{17}-\left(-\dfrac{20}{29}\right)\dfrac8{17}=\dfrac{475}{493}$

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3 years ago

I'LL GIVE BRAINLIEST:

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Answer:

its C

Step-by-step explanation:

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2 years ago

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Okay I don't know this one either so uh help please

vodka [1.7K]

9514 1404 393

Answer:

(a) A'(-2, 1), B'(-4, -3), C'(-7, 0)

Step-by-step explanation:

If X is the center of rotation, the coordinates of point P are transformed like this:

P' = -(P -X) +X

P' = 2X -P

(x, y) ⇒ (2(-5) -x, 2(3) -y)

(x, y) ⇒ (-10-x, 6-y)

Your points are transformed to ...

A(-8, 5) ⇒ (-10-(-8), 6-5) = A'(-2, 1)

B(-6, 9) ⇒ (-10-(-6), 6-9) = B'(-4, -3)

C(-3, 6) ⇒ (-10-(-3), 6-6) = C'(-7, 0)

These coordinates match the first choice.

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3 years ago

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Answer:

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Step-by-step explanation:

Kindly check the attached images for the step by step explanation to the question

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