2 years ago

What is/are the exact solutions for the equation 2cos^2x+3cosx+1=0 on the intercal (0,2pi)

Mathematics

1 answer:

Dafna1 [17]2 years ago

5 0

Answer:

x = $\frac{2\pi }{3}$ and $\frac{4\pi }{3}$

Step-by-step explanation:

I graphed the equation below.

If these answers are correct, please make me Brainliest!

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2 years ago

winthrop has $4.40 worth of nickles and dimes. If winthrop has 3.5 times as many nickles as he has dimes, how many dimes does he

Aneli [31]

Answer:

Step-by-step explanation:

If n is number of nickles and d is number of dimes:

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2 years ago

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Zinaida [17]

Answer:

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2 years ago

Find the value of x.

Rudiy27

Answer:

x=104

Step-by-step explanation:

Angle Formed by Two Secants= 1/2(difference of Intercepted Arcs)

10.5 = 1/2( x-83)

Multiply each side by 2

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2 years ago

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