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alicianaylor11110
09.09.2020 •
Mathematics
Explain the process for generating equivalent fraction using multiplication Create your own fashion then generate three equivalent fractions
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Ответ:
Increase in account A by a rate of 9%
Account B is increasing at a rate of 10% per year
ACCOUNT B recorded a greater percentage change in amount of money.
Step-by-step explanation:
Given that :
Amount in account A:
f(x) = 1,264(1.09)*
Writing out the general formula :
F(x) takes the form of an exponential function.
In the form:
F(x) = ab^x
b = base
b = 1.09 since b > 1 ; then b represents exponential growth
Hence,
F(x) can be expressed as :
y = a(1 + b)
b = growth or Decay factor
Here
1 + rate = 1.09
Rate = 1.09 - 1
Rate = 0.09
Rate = 0.09 * 100% = 9%
Increase in account A by a rate of 9%
ACCOUNT B:
Number of years (r) _ 1 ___ 2 3 4
Amountin$g(r) _ 1375 _1512.50_1663.75_1830.13
change in amount :
Taking the first and second year :
((1512.50 - 1375) / 1375) * 100%
(137.5 / 1375) * 100%
0.1 * 100% = 10%
Account B is increasing at a rate of 10% per year
Hence, ACCOUNT B recorded a greater percentage change in amount of money