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3 years ago

Which expressions are equivalent to x^4/5

Mathematics

1 answer:

Anni [7]3 years ago

4 0

None of the above! The correct answer is 5 square root x^4 and it isn’t listed
Please Mark BRAINLIEST!

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A family had dinner in a restaurant and paid $30 for food items. They had to pay 5% tax. How much did they pay for the dinner af

SSSSS [86.1K]

Answer:

30/100 X 105 = 31.50

they pay $31.50

7 0

3 years ago

Verify the identity. cotangent of x divided by quantity one plus cosecant of x equals quantity cosecant of x minus one divided b

Elenna [48]

Answer:

$\frac{\cot x}{1+\csc x}=\frac{\csc x-1}{\cot x}$

Step-by-step explanation:

We want to verify the identity:

$\frac{\cot x}{1+\csc x}=\frac{\csc x-1}{\cot x}$

Let us take the LHS and simplify to get the LHS.

Express everything in terms of the cosine and sine function.

$\frac{\cot x}{1+\csc x}=\frac{\frac{\cos x}{\sin x} }{1+\frac{1}{\sin x} }$

Collect LCM

$\frac{\cot x}{1+\csc x}=\frac{\frac{\cos x}{\sin x} }{\frac{\sin x+1}{\sin x} }$

We simplify the RHS to get:

$\frac{\cot x}{1+\csc x}=\frac{\cos x}{\sin x+1}$

We rationalize to get:

$\frac{\cot x}{1+\csc x}=\frac{\cos x(\sin x-1)}{(\sin x+1)*(\sin x-1)}$

We expand to get:

$\frac{\cot x}{1+\csc x}=\frac{\cos x(\sin x-1)}{\sin^2 x-1}$

Factor negative one in the denominator:

$\frac{\cot x}{1+\csc x}=\frac{\cos x(\sin x-1)}{-(1-\sin^2 x)}$

Apply the Pythagoras Property to get:

$\frac{\cot x}{1+\csc x}=\frac{\cos x(\sin x-1)}{-\cos^2 x}$

Simplify to get:

$\frac{\cot x}{1+\csc x}=\frac{-(\sin x-1)}{\cos x}$

$\frac{\cot x}{1+\csc x}=\frac{1-\sin x}{\cos x}$

Divide both the numerator and denominator by sin x

$\frac{\cot x}{1+\csc x}=\frac{\frac{1}{\sin x}-\frac{\sin x}{\sin x}}{\frac{\cos x}{\sin x}}$

This finally gives:

$\frac{\cot x}{1+\csc x}=\frac{\csc x-1}{\cot x}$

8 0

3 years ago

B) एउटा मोटरसाइकलको हालको मूल्य रु. 2,25,000 छ । यदि सो

satela [25.4K]

Answer: cause they mas know how to have responsible for having a life they know and I understand what you say

4 0

3 years ago

What does 280 become when you add 25% to it?

Basile [38]

Answer: 350

Step-by-step explanation:

25 percent of 280 is 70 so it is 350

8 0

3 years ago

Read 2 more answers

What is the missing equation N÷6=8

solong [7]

48.

N/6 = 8
48/6 = 8
8 = 8
8 does indeed equal 8

Good luck!

3 0

3 years ago

Read 2 more answers