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3 years ago

80 POINTS AND BRAINLIEST TO BEST ANSWER

Mathematics

2 answers:

nikklg [1K]3 years ago

5 0

Answer:

1. c

2. a

3. f

4. e

5. g

6. c

7. b

8. h

Step-by-step explanation:

g100num [7]3 years ago

3 0

Answer:

1. c

2. h

3. f

4. e

5. g

6. c

7. b

8. a

Step-by-step explanation:

I can go more in depth if you'd like!

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d1i1m1o1n [39]

Answer:

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Step-by-step explanation:

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3 years ago

How many square inches are in 60 square fee

Vilka [71]

Answer:

8640 square inches

Step-by-step explanation:

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3 years ago

For the trinomial x2 + 10x + 21, we want to find two binomial factors

ratelena [41]

X^2 + 10X + 21

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3 years ago

If f(x)=1/9x-2 what is f^-1(x)

Katarina [22]

Answer:

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Step-by-step explanation:

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3 years ago

How do I solve the equation in an interval from 0 to 2π ? 9 cos 2t = 6

Ivahew [28]

$9\cos(2t)=6\implies\cos(2t)=\dfrac23$

Using the fact that cos is 2π-periodic, we have

$\cos(2t)=\dfrac23\implies2t=\cos^{-1}\left(\dfrac23\right)+2n\pi$

That is, $\cos(\theta+2n\pi)=\cos\theta$ for any $\theta$ and integer $n$ .

$\implies t=\dfrac12\cos^{-1}\left(\dfrac23\right)+n\pi$

We get 2 solutions in the interval [0, 2π] for $n=0$ and $n=1$ ,

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4 0

2 years ago