Mara found the length of time of an investment. The principal of the investment was $4,300, the interest rate was 6.2 percent, a
1 answer:
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after taking sqrt both side
3x/
3x/3y√2
x/√2y
multiply both denomenator and numerator by√2
√2x/2y
Answer is A
Answer:
$2,226.96
Step-by-step explanation:
You are going to want to use the compound interest formula, which is shown below.
<em>P = initial balance </em>
<em>r = interest rate </em>
<em>n = number of times compounded annually </em>
<em>t = time </em>
<em />
First, change 10% into its decimal form:
10% -> -> 0.1
Now lets plug in the values into the equation:
The final amount after 15 years is $2,226.96
Answer: 0.31
Step-by-step explanation:
Let A denotes the event that the students report drinking alcohol and B denotes the students report using some type of tobacco product .
Given : P(A) =0.84 ; P(B)=0.33 and P(A∪B)=0.86
We know that
Then, the probability that the student both drunk alcohol and used tobacco in the past month is given by :-
Hence, the probability that the student both drunk alcohol and used tobacco in the past month = 0.31