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3 years ago

Consider f(x)=7x^2+8/x−6. Complete the following statements.

Mathematics

1 answer:

kirill [66]3 years ago

7 0

Answer:

Step-by-step explanation:

Iwis

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17) List the ways five dogs a Beagle, a Collie, a Greyhound, a Poodle and a

Gnoma [55]

Answer:

10 pairs

It is a combination

Explanation:

This is a combination because the order does not matter: the Beagle - Collie couple is the same as the Collie - Beagle couple, so it is only counted once.

The formula for combinations is:

$C(m,n)=\dfrac{m!}{n!\cdot (m-n)!}$

For five diffferent dogs to be put in pairs, the number of different pairs is:

$C(5,2)=\dfrac{5!}{2!\cdot (5-2)!}=\dfrac{5\times 4}{2}=10$

4 0

3 years ago

Which of the following is NOT equal to sin pi/3

Yanka [14]

Answer:

D) $sin(\frac{4\pi }{3} ) = sin(\pi +\frac{\pi }{3} ) = -sin\frac{\pi }{3}$

Step-by-step explanation:

$sin(\frac{2\pi }{3} ) = sin ( \pi - \frac{\pi }{3} ) = sin\frac{\pi }{3}$

$cos (\frac{\pi }{6} ) = cos ( \frac{\pi }{2} - \frac{\pi }{3} ) = sin(\frac{\pi }{3})$

$cos (\frac{11\pi }{6} ) = cos ( \frac{3\pi }{2} + \frac{\pi }{3} ) = sin(\frac{\pi }{3})$

$sin(\frac{4\pi }{3} ) = sin(\pi +\frac{\pi }{3} ) = -sin\frac{\pi }{3}$

8 0

3 years ago

Equation with Variables on both sides 8 + 4x = -10 + x with explanation please

stellarik [79]

X=-6

You get all the X to one side, and all the numbers to the other. Then divide. Work is shown in image below.

7 0

3 years ago

Combine Like terms 3(2x-7)+(2x-3)

aniked [119]

Answer:

8x-24

Step-by-step explanation:

We open parenthesis, so we get:

6x-21+2x-3

Then, simplify by adding like terms:

8x-24 is your answer :)

Stay golden :)

5 0

3 years ago

May painted 4 out of 8 equal parts of a poster board blue Jared painted 2out of 4 equal parts of a same size poster dosed red wr

Simora [160]

1/2 and 1/2 so both are equal

3 0

4 years ago