?=196
The trinomial
-28x+196 is equal to (x-14)^2 (factored version)
How to write an equivalent expression for n time a using o
Answer:
12
Step-by-step explanation:
for a right triangle you fist need to find a key 8-4=4 meaning your key is 4 add 4 to 8 resulting you in 12 in conclusion your answer is 12
You need the Law of Cosines here, since you only have 1 angle measure. If you had 2 you could use the Law of Sines, but nevertheless, we'll get there. The Law of Cosines for our particular set of info looks like this:
. Simplifying a bit we get
and
. Taking the square root of that and considering the principle root only, x = 39.2, second choice down.