Sin x = cos y
Angles x and y a complementary.
Sine and cosine are co-functions.
sin x = cos (90 - x)
sin x = cos y
Andrew has 10 pens bc it's half of twenty
18.5 would be the answer and here’s my work
Answer:
x>5
Step-by-step explanation:
3x>x^2-10
0>x^2-3x-10
(x-5)(x+2)
x>5 and x>-2
x>5 is the only positive solution
Answer:
The tank can hold 18.84 cubic feet
Step-by-step explanation:
Given
Shape: Cylinder
-- Diameter
-- Height
Required
Determine the volume
First, calculate the radius (r)



The volume (V) of the tank is:

Substitute values for r and h



<em>Hence, the tank can hold 18.84 cubic feet</em>