Answer:
5π or 15.7
Step-by-step explanation:
the arc of the semicircle 1/2 circumference of circle = diameter*π =2*radius*π
radius = 5 so
1/2 *2*5*π =5π or 5*3.14 = 15.7

Re-write with common denominator, in this case 6:

Add:
Answer:
the commutative property because you’re not changing the way its form style, but of more like their former
Answer: x= 8\sqrt{3} over 3, x= 8 \sqrt{3} over 3
Step-by-step explanation:
Answer:
15a⁴b²-20a³b³+30a²b⁴
Step-by-step explanation:
3a²-4ab+6b²
so for 5a²b²
(5a²b²)(3a²-4ab+6b²)
=15a⁴b²-20a³b³+30a²b⁴