Find the exact value using trigonometric identities
840, 79
Answer: 
Step-by-step explanation:
We have the following expression:
![(\sqrt[3]{x^{2}} \sqrt[6]{x^{4}})^{-3}](https://tex.z-dn.net/?f=%28%5Csqrt%5B3%5D%7Bx%5E%7B2%7D%7D%20%5Csqrt%5B6%5D%7Bx%5E%7B4%7D%7D%29%5E%7B-3%7D)
Which can also be written as:

Since we have exponents with the same base
inside the parenthesis, we can sum both exponents:

Now, we have to multiply the exponent out of the parenthesis with the inner exponent and have the following result:
Answer:
The length of the original check should be 6 inches or 0.5 ft
Step-by-step explanation:
SP=?
L%=15%
CP=$20
WE KNOW,
L= L%/100×CP
L= 15/100×20
L= 15/5
L= 3
NOW,
L = CP-SP
Or, 3 = 20 - SP
Or,SP= 20 -3
SP=RS 17