Answer:
49π
Step-by-step explanation:
πr^2
π*7^2
49π
For the Fist One it’s Pentagonal Pyramid
9x^2 and 5x are not like terms because 9x is being squared and 5x isn't.
(-2+8i)x(3-10i)
-2 x 3 - 2 x (-10i) +8i x 3- 8i x 10i
-6+20i+24i - 80i ^2
-6+20i+24i - 80 x (-1)
-6+20i+24i + 80
Answer: 74+44i
Answer:
−12/17
Step-by-step explanation:
This is the answer because:
1) First, convert 2 5/6 to an improper fraction
2 5/6 = 17/6
2) Next divide -2/1 and 17/6
3) The reciprocal of 17/6 is 6/17
4) -2/1 ÷6/17 is -12/17
Hope this helps!