21+45+70=136
136+(2+x)=180
First subtract 136 from both sides
(2+x)=44=M<ROS
Subtract 2 from both sides
x=42
Answer:
57mm
Step-by-step explanation:
C=2(pi)(r)
C=2(3.14)(9)
C=56.52
rounding up, its 57mm
Answer:
Step-by-step explanation:
(x+4)² + y² = 1.5²
Answer:
3 5/8
Step-by-step explanation:
2 1/2 + 1 1/8
Convert to improper fractions.
5/2 + 9/8
Make the denominators equal.
40/16 + 18/16
Add the fractions.
58/16
Simplify.
29/8 ⇒ 3 5/8
