Jenna bought a savings certificate that earned 2% simple interest per year. She earned a total of $100 in interest over 4 years.
1 answer:
Answer: Below
Step-by-step explanation:
An interesting part of this problem is that it derives off of Exponential growth formulas.
So by plugging in the values in the Exponential growth:
What's important is we know the increasing factor, so:
So now we know 8.24% of something is equal to 100. We can use this to find x, which is our initial value.
x * 0.0824 = 100
x = 100/0.0824
x = 1213.59
The answer is approximately 1213.59
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Complete Question
The histogram from this question is shown on the first uploaded image
Answer:
The first quartile is
The median is
The third quartile is
The mean is
Step-by-step explanation:
From the question we are told that
The total number of girls is n = 74
Generally the median is mathematically represented as
So
=>
=>
From the histogram fall under 2 fruits per day
Generally the first quartile is mathematically represented as
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=>
From the histogram girl fall under 1 fruit per day
Generally the third quartile is mathematically represented as
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From the histogram fall under 4 fruits per day
Generally from the histogram table the frequency [number of subjects (girls) ] and the servings of fruit per day can be represented as
Total
x(servings per day ) 0 1 2 3 4 5 6 7 8
f (number of subjects ) 15 11 15 11 8 5 3 3 3
xf 0 11 30 33 32 25 18 21 24
Generally the mean is mathematically represented as
=>
=>
