2x + 3x = 100
5x=100
x=100/5
x= 20
Therefore, 2x=2×20=40
3x=3×20=60
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3.75.....rounded to the nearest dollar would be 4.00
Answer:
dy/dx = 9x²+2
dy = (9x²+2) dx
dy/dt = (9x²+2) dx/dt
if x = 2 and dx/dt=5 then
dy/dt = (9*2²+2)*5 = 38*5 = 190
Answer: -2log(2) or -0.60206
Explanation:
log(1/4)
= log(2^2)
= - 2log(2)
