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3 years ago

ASAP! WILL MARK BRAINLIEST!!

Mathematics

2 answers:

Naya [18.7K]3 years ago

5 0

Answer:

y=x+5+x+5?

Step-by-step explanation:

I'm not sure and I did this not that long ago

Anton [14]3 years ago

5 0

Answer:

Step-by-step explanation:

y=|x-5|+|x+5|

= 5-x+x+5

=10

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I need to find the product help

Licemer1 [7]

I'm assuming you mean

$2\times\frac{17}{10}$

Write the 2 as a fraction 2/1 and multiply.

$\frac{2}{1}\times\frac{17}{10}=\frac{34}{10}=\frac{17}{5}$

7 0

3 years ago

Simplify the expression cos x cot x+ sin x please select the best answer from the choices provided a.0, b.csc x, c. Tan x, d sec

expeople1 [14]

Answer:

$cot x = \frac{cos x}{sin x}$

$cos x \frac{cos x}{sin x} + sin x$

$\frac{cos^2 x}{sin x} +sin x$

$sin^2 x + cos^2 x =1$

Solving for $cos^2 x$ we got $cos^2 x =1 -sin^2 x$ and replacing this we got:

$\frac{1-sin^2 x}{sin x} +sin x$

$\frac{1}{sin x} -\frac{sin^2 x}{sin x} +sin x$

$csc x -sin x + sin x = csc x$

And then the best option for this case would be:

b.csc x

Step-by-step explanation:

For this case we have the following expression given:

$cos x cot x + sin x$

We know from math properties that the definition for cot is $cot x = \frac{cos x}{sin x}$

If we use this definition we got:

$cos x \frac{cos x}{sin x} + sin x$

$\frac{cos^2 x}{sin x} +sin x$

Now we can use the following identity:

$sin^2 x + cos^2 x =1$

Solving for $cos^2 x$ we got $cos^2 x =1 -sin^2 x$ and replacing this we got:

$\frac{1-sin^2 x}{sin x} +sin x$

$\frac{1}{sin x} -\frac{sin^2 x}{sin x} +sin x$

$csc x -sin x + sin x = csc x$

And then the best option for this case would be:

b.csc x

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3 years ago

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scoundrel [369]

Answer:

Can you provide a picture?

I cannot help you if you don't.

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2 years ago

25% of what number is 21

chubhunter [2.5K]

If we call the number "x" then:
x*25%=21
x*25/100=21
x=21*4
x=84

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3 years ago

How do you estimate a whole number 3,576

frozen [14]

By dividing it by a number that = to it

5 0

3 years ago

Read 2 more answers