The total sum is 180 because 3 angles = 180
54 + 11s + 7s = 180
-54. -54
18s = 126
S = 7
15 quarters= $3.75
21 nickels =$1.05
______________
36 coins = $4.80
1. a = 1/2x - 3
2. a = 2x + 7
Answer:
AC = 12.6
AB = 49.8
C = 73°
Step-by-step explanation:
(B/sin(14)) = (52/sin(93))
B = (52*sin(14))/sin(93)
B = 12.6
(C/sin(73)) = (52/sin(93))
C = (52*sin(73))/sin(93)
C = 49.8
Answer: x3−3x2−6x+6
Step-by-step explanation:
Let's simplify step-by-step.
x3−2x+3−(3x2+4x−3)
Distribute the Negative Sign:
=x3−2x+3+−1(3x2+4x−3)
=x3+−2x+3+−1(3x2)+−1(4x)+(−1)(−3)
=x3+−2x+3+−3x2+−4x+3
Combine Like Terms:
=x3+−2x+3+−3x2+−4x+3
=(x3)+(−3x2)+(−2x+−4x)+(3+3)
=x3+−3x2+−6x+6
Answer: x3−3x2−6x+6