Answer:
Maybe yawl can help me on this one too because i do not know this.
Step-by-step explanation:
45 seconds. Since there are 60 seconds in a minute and 60/4 is 15. 15*3 is 45. Hope this helped!
p^1
q^4
r^2
Is this what your asking for and also can you please mark me as brainlist. Thank you
Area of shaded region = Area of larger circle - Area of smaller circle.
We know, Area of a Circle = πr²
So, A = πr₁² - πr₂²
A = π (r₁² - r₂²)
A = π(10.2² - 5.4²)
A = 3.14 (104.04 - 29.16)
A = 3.14 (74.88)
A = 235.12
In short, Your Answer would be 235.12 cm²
Hope this helps!
Answer:
and 
Step-by-step explanation:
Recall that 
is a value of the function cosine for the special angles: 
and 
, then:
