Answer: 57°
Given : In triangle PQR, the side PQ is 17, QR is 15, and PR is 14.
We use law of cosine formula
225 = 196 + 289 - 476 cos(P)
225 = 485 - 476 cos (P)
Subtract 485 on both sides
-260 = -476 cos(P)
= cos(P)
P = 
P= 56.89202
So measure of angle P is 57 degrees
Hello!
your answer is:
<span>using the distributive property of multiplication, the equivalent expression is:</span>
12m-15
<em>I hope this helps, and have a nice day!</em>
You simply divide 6 by 4 that will get you a answer of 1.5
I hope this help you have a nice day.
F(x) = x^2 -8x -9
x = -b/2a = 8/2 =4
y = 4^2 -8*4 -9 = 16 -32 -9 = 16 -41 = -25
so the wertex of this function will be (4,-25)
