Brianna deposited $680 into a savings account that pays a simple annual interest rate of 1.29%. How much interest will she earn
2 answers:
Answer:
Option (d) is correct.
The interest that she will earn after 3 years is $ 26.32.
Step-by-step explanation:
Given : Brianna deposited $680 into a savings account that pays a simple annual interest rate of 1.29%.
We have to calculate the interest that she will earn after 3 years.
Using simple interest formula,
Where, P is principal
r is rate of interest
t is time period.
For the given data,
P = $ 680
r = 1.29% = 0.0129
t = 3 years.
Substitute, we have,
Simplify, we have,
Simple interest = $ 26.32
Thus, The interest that she will earn after 3 years is $ 26.32
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We have been given that you drop a ball from a window 50 metres above the ground. The ball bounces to 50% of its previous height with each bounce. We are asked to find the total distance traveled by up and down from the time it was dropped from the window until the 25th bounce.
We will use sum of geometric sequence formula to solve our given problem.
, where,
a = First term of sequence,
r = Common ratio,
n = Number of terms.
For our given problem ,
and
.
Therefore, the ball will travel 100 meters and option B is the correct choice.
Answer:
The correct answer is 0.486.
Step-by-step explanation:
Total number of employees at the home office of Gibraltar Insurance Company is 270 + 340 = 610
Number of employees on flex time are 350, out of which 170 are men and 180 are women.
We need to find the probability that out of the given employees, a randomly chosen one is on flex time and is a man.
Favorable outcomes are 170 and total outcome is 350.
Thus the probability is given by = 0.4857≈ 0.486