Answer:
a stationary sells 8pencil for the cost price of 10pencil find his gain percent
Y= 1/2x-10 is the answer.
The first, third and last are correct.
Answer:
the answer is 1/9 because you have 1/3 if 1 gallon times 3 gallons makes 9, 1/9
Step-by-step explanation:
3*3gallons=9
1/9
The fundamental identities that are useful are
Pythagorean relations: cos^2 x + sin^2 x = 1
Inverse trigo identity: cos x = 1/secx
Applying the pythagorean theorem, the equation would be:
7sec^2 x(cos^2 x)
Then applying the inverse trigo identity, the answer would be 7.
Thus, the final answer is 7.