Marcus invested $2000 in a bank account earning simple interest. The interest, I, he has after t years at an interest rate r is
given by this equation.
l = 2000 rt
After 2 years, the total amount in the account was $2160. What was the annual interest rate?
1 answer:
Answer:
4%
Step-by-step explanation:
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12(7x)^1/5
This is simplification into index form, the index itself is the 5th root of 7x if you just wanted to state what it is
Answer:
<h2>x = -4 ± 2√(3) </h2><h2 />
Step-by-step explanation:
Discriminant Δ = √(8²-4×(1)×(4)) = √(48) = √(4×12) = √(4)×√(12) = 2√(12)
then x = (-8 ± 2√(12))÷2 = -4 ±√(12) = -4 ±√(3×4) = -4 ± 2√(3)
11) is 40
12) is 30
13) is 28
Answer:
288πcm^3
Step-by-step explanation
v=(4/3)πr^3
v=(4/3)π*6^3
v=288πcm^3
