Answer:
15.21= 15.2 when rounded
Step-by-step explanation:
the formula for finding the area of a circle with the diameter is
A= 1/4 × π ×d^2
Answer
215 can only be divided by 5
Step-by-step explanation:
sec x − cos x
Secant is the inverse of cosine:
(1 / cos x) − cos x
Find the common denominator:
(1 / cos x) − (cos² x / cos x)
Subtract:
(1 − cos² x) / cos x
Answer:
4.3 to the 3rd power is exactly<em> 79.507 </em>. That number may be rounded, but not simplified.
Step-by-step explanation:
4.3 to the 3rd power means (4.3 x 4.3 x 4.3) . Perform the indicated multiplications to arrive at the solution.
You get the mean by finding the middle term if its an odd number if its an even number get the 2 middle numbers add thema nd divide them by 2 in this case the answer would be 9
Hope this helps
