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3 years ago

6

I got a tricky one

1 answer:

inysia [295]3 years ago

6 0

Answer:

D

Step-by-step explanation:

By the remainder theorem if f(x) is divided by (x + h), then the remainder is

f(- h)

Thus f(x) divided by (x + 3) has a remainder of 11, then

f(- 3) = 11 → D

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Please help with math

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2 years ago

Pls help !!!! I will mark as Brainiest

luda_lava [24]

Answer:

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Step-by-step explanation:

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2 years ago

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Find the value of the angle θ rounded to 1 DP.

kogti [31]

Answer:

Step-by-step explanation:

Sin 21 = $\frac{opposite side}{hypotenuse}$

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5 0

2 years ago

The tangent of an angle is not which of the following?

Iteru [2.4K]

Answer:

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Step-by-step explanation:

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2 years ago

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Solve -7x^2+x+9=-6x quadratic formula

myrzilka [38]

Answer:

$-7x^2+x+9=-6x$

$-7x^2+x+9+6x=-6x+6x$

$-7x^2+7x+9=0$

$quadratic\: formula$

$x_{1,\:2}=\frac{-7\pm \sqrt{7^2-4\left(-7\right)\cdot \:9}}{2\left(-7\right)}$

$\sqrt{-7^{2} -4(-7)\times9} =\sqrt{301}$

$x_{1,\:2}=\frac{-7\pm \sqrt{301}}{2\left(-7\right)}$

$\frac{-7+\sqrt{301}}{2\left(-7\right)}$

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$\frac{-7-\sqrt{301}}{2\left(-7\right)}$

$=\frac{-7-\sqrt{301}}{-2\cdot \:7}$

$=\frac{-7-\sqrt{301}}{-14}$

$answer=\frac{7+\sqrt{301}}{14}$

$OAmalOHopeO$

7 0

2 years ago