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3 years ago

What is the solution to the system of equations?

Mathematics

1 answer:

bazaltina [42]3 years ago

6 0

I’m not sure if you have the time to do this but plug in the numbers that are given as the answer if you’re not sure. But I believe the answer is A

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WILL MARK YOU BRAINLIEST!!!!!!

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its the first one I think

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3 years ago

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Given sin(−θ)=−1/6 and tanθ=−√35/35 What is the value of cosθ?

murzikaleks [220]

Answer:

$cos(\theta)=-\frac{\sqrt{35} }{6}$

Step-by-step explanation:

Recall the negative angle identity for the sine function:

$sin(- \theta)=-sin(\theta)$

Then, we can find the value of $sin(\theta)$ :

$sin(\theta)=-sin(-\theta)\\sin(\theta) =-(-\frac{1}{6} )\\sin(\theta)= \frac{1}{6}$

Now recall the definition of the tangent function:

$tan(\theta)=\frac{sin(\theta)}{cos(\theta)}$

Therefore, now that we know the value of $sin(\theta)$ , we can solve in this equation for $cos(\theta)$

$tan(\theta)=\frac{sin(\theta)}{cos(\theta)}\\-\frac{\sqrt{35} }{35} =\frac{1/6}{cos(\theta)} \\cos(\theta)=-\frac{\frac{1}{6} }{\frac{\sqrt{35} }{35} } \\cos(\theta)=-\frac{35}{6\,\sqrt{35} } \\cos(\theta)=-\frac{\sqrt{35} }{6}$

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3 years ago

Solve: y equals 6x - 8 y equals -3x + 10 solve for y and x

Leni [432]

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2 years ago

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What is4-8a=4(5-3a)

kenny6666 [7]

Answer:

a=4

Step-by-step explanation:

Question: 4-8a=4(5-3a)

1) Distribute 4 to 5 and -3a:

4-8a=20-12a

2) Add 12a to both sides:

4+4a=20

3) Subtract 4 from both sides:

4a=16

4) Divide both sides by 4:

a=4

Footnotes:

- The Distributive property says a(b+c)=ab+ac

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3 years ago

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