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Angles on a straight line add up to 180°, so:
x + 60 = 180
x = 180 - 60
x = 120°
Answer:
(a) 3 - 2x - 2x² (b) -21
Step-by-step explanation:
given, y +2x² = 3 -2x
make y the subject:
y = 3 - 2x - 2x²
if y = f(x)
then
f(x) = 3 - 2x - 2x²
(b)<u> to find f(3) we need to replace x with 3:</u>
<u />
3 - 2(3) - 2*(3)²
-21
Answer:
450/500 = 0.9sorry if it's wrong
Step-by-step explanation:
