Answer:
131
Step-by-step explanation:
Using proportion,
If Out of 550 calculators = 6 are defective,
Then out of 12000 calculators = ? are defective
= 21.8 * 6
= 130.8 ≈ 131
∴ Approximately 131 calculators are defective
Answer:
96 cm³
Step-by-step explanation:
V=1/2×6×8×4=196/2=96cm³
Put into graphing calculator and get B.-5,1,3
Answer:
1704.74 = P
Step-by-step explanation:
The formula for compound interest is
A = P(1+r/n) ^nt where
A is the amount in the account
P is the principle
r is the interest rate
n is the number of times the interest is compounded per year
t is the time in years
2000 = P (1+.04/12)^12*4
2000 = P (1.003333333)^48
Divide each side by (1.003333333)^48
2000/ (1.003333333)^48= P (1.003333333)^48/ (1.003333333)^48
1704.74110 = P
Rounding to the nearest cent
1704.74 = P
