Answer:
Hey there!
A congruence transformation maintains the size of the shape.
Thus, a dilation with scale factor 2 is not a congruence transformation.
Let me know if this helps :)
<u> P = 2 (L + B)</u>
Divide each side by 2 : P/2 = L + B
Subtract B from each side: <em>P/2 - B = L</em>
The first step to solving this is to multiply both sides of the equation by 3
8 + 10y = 9y - 12
now move the variable to the left side and change its sign
8 + 10y - 9y = -12
move the constant to the right side and change its sign
10y - 9y = -12 - 8
collect the like terms for y
y = -12 - 8 (it equals 1 when you subtract 10 from 9 which is the same is simply saying "y")
calculate the difference on the other side of the equals sign
y = -20
this means that the correct answer to your question is -20.
let me know if you have any further questions
:)
Answer:
The question to your answer is:
a) cos 150 = -√3 / 2 or - 0.866
b) tan 225 = 1
c) cos (-240) = -1/2
Step-by-step explanation:
See the picture below
(3700000deaths/y)(y/365d)(d/24hr)(hr/60min)≈7.04 deaths/min
