130 revolutions is 130×85π=34714.60cm=347.146m or 347m to the nearest metre.
Answer:
I think its A........ I don't really know.
Step-by-step explanation:
5 x 2 = 10
3.14 x 10 = 31.4
Answer:
a = 2
Step-by-step explanation:
given x = - 1 is a zero then f(- 1) = 0 , that is
a(- 1)³ - (- 1)² - 1 + 4 = 0
- a - 1 - 1 + 4 = 0
- a + 2 = 0 ( subtract 2 from both sides )
- a = - 2 ( multiply both sides by - 1 )
a = 2