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3 years ago

PLEASE HURRY!! 20 PTS!!

2 answers:

maks197457 [2]3 years ago

7 0

We have one of those equations already solved for y, so let's sub that one into the other one and solve the equation in terms of x only: $2x+( x^{2} -4x+3)=6$ . We will simplify that and at the same time bring the 6 over by subtraction to get a polynomial set to equal 0 that we can factor. $x^{2} -2x-3=0$ . We will factor that to get (x-3)(x+1) for x values of x = 3 and x = -1. a above is the choice that has the x values we need, -1 and 3.

boyakko [2]3 years ago

3 0

B is the final answer!!! :)

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What is the amplitude and period of f(t)=-cos t

Vadim26 [7]

Answer:

c. amplitude: 1; period: $2\pi$

Step-by-step explanation:

The given function is $f(t)=- \cos t$

This function is of the form;

$y=A \cos Bt$

where $|A|$ is the amplitude.

When we compare $f(t)=- \cos t$ to $y=A \cos Bt$ , we have

$A=-1$ , therefore the amplitude of the given cosine function is $|-1|=1$

The period is given by;

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Since B=1, the period is $T=\frac{2\pi}{|1|}=2\pi$

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3 years ago

1/5 ÷9 in it's simplest form<br><br>9÷ 1/5 in it's simplest form

Ulleksa [173]

Answer:

the first one is 1/45

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Step-by-step explanation:

i hope this helped

6 0

3 years ago

............°_°.............

Rasek [7]

Answer:

3/4 and 0.95 would both result in a reduction.

Step-by-step explanation:

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8 0

3 years ago

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iris [78.8K]

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3 years ago

Arianna correctly simplified an expression. When she substituted X = 2 into the simplified expression, the value was -4. Which c

Illusion [34]

2x-4x

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3 years ago

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