3 years ago

The expression 3+(2+n) is equivalent to?

Mathematics

1 answer:

Harlamova29_29 [7]3 years ago

7 0

Answer:

5+n

you have to distribute the “+” so you can drop the parenthesis. Then, you have 3+2+n. Add and you end up with 5+n

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Step-by-step explanation:

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3 years ago

If cos8x = 13/36 find the value of cos4x.

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The value of cos 4x from the given identity is 0.999

<h3>Trigonometry identity</h3>

Given the cosine identity

cos8x = 13/36

Determine the value of x

8x = arccos(13/36)
8x = 0.36111

x = 0.36111/8
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Learn more trig identity here; brainly.com/question/7331447

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3 years ago

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Find the perpendicular distance from the pointp(6, 4, 2)to the xy-plane.

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, 4, 2)to the xy............................................

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3 years ago

Write your answer with no spaces and any fraction with “/“

Archy [21]

Answer:

The slope is 1/2

Step-by-step explanation:

Hi!

Disclaimer: Just for this response, I'm going to write it the same way you write a fraction out on paper just so it's easier to see.

First, you plot the two coordinates on the graph:

(0,0) and (2,1)

The formula for slope is $\frac{y1 - y2}{x1 - x2}$

Now we plug in numbers accordingly:

$\frac{0 - 1}{0 - 2}$

Simplify:

$\frac{-1}{-2} \\$

Simplify:

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Let me know if you have any questions

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3 years ago