Answer
4x+y=11
Step-by-step explanation:
The answer would be c. I can give an example if you want
Answer:
33.33
Step-by-step explanation:
We have, 90% × x = 30
or, 90
/ 100 × x = 30
Multiplying both sides by 100 and dividing both sides by 90,
we have x = 30 × 100
/ 90
x = 33.33
If you are using a calculator, simply enter 30×100÷90, which will give you the answer.
https://answers.everydaycalculation.com/percent-of-what-number/90-30
Answer:
A
Step-by-step explanation:
bro how come u dont answer for yourself? The point of school is for you to learn. . . but anyway the answer is A
Answer:
Step-by-step explanation:
Using the general equation 
, we already know that 
and 
, but we need to find 
from the period:
Hence, the cosine function is
