Answer:
A cos C = 12/13
Step-by-step explanation:
cos theta = adjacent side/ hypotenuse
cos C = BC/AC
But we don't know BC, but we can find it using the Pythagorean theorem
a^2 +b^2 = c^2
5^2 +BC^2 = 13^2
25 + BC ^2 =169
Subtract 25 from each side
BC^2 = 169-25
BC ^2 = 144
Taking the square root of each side
BC =12
cos C = 12/13
Answer:
r = I/P*t
Step-by-step explanation:
So I dont know how to explain it but to show you how to do it.
I = Prt
Divide both sides by Pt to get r alone
Therefore your answer is r = I/P*t
Hopes this help :)
12% previously owned a Widows computer; 71% previously owned a Macintosh computer. The percentage that owned either is the sum of these, 83%.
The appropriate selection is
C) 83%
Answer:
B y=54 degrees
Step-by-step explanation:
Since a triangle's angles always add up to 180.
180-72=108
108/2=54
It must be divided by two because y is two angles not one.