True! The slopes are opposite reciprocals (aka perpendicular lines)
Answer:a=-4,000
Step-by-step explanation:
Answer:6.28
Step-by-step explanation:
C=pi*diameter
C=3.14*2
C=6.28
Answer:
$ 2330
Step-by-step explanation:
a = $240
Earning at the end of fifth week = $ 680
increase in earnings per weak = ( 680 -240)/2 = 440/2 =110
d =110
l = a + (n-1)d
a20 = 240 + (19 * 110 ) = 240 + 2090 = 2330
