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tatyana61 [14]
3 years ago
7

Nancy’s parents gave her $200 to start her savings account. After 5 months of saving, Nancy has $350 in her account. What is the

rate of change of the amount of money in her account each month?
Mathematics
2 answers:
Viktor [21]3 years ago
7 0
Current Amount = Starting Amount (1 + rate of change)^number of months
350 = 200 ( 1 + r)^5
350/200 = (1+r)^5
sqrt5 (350/200) = 1+r
sqrt5 (350/200) - 1 = r
horrorfan [7]3 years ago
5 0
30 dollars every month

200+ 5x = 350

X=30
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Answer:

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Step-by-step explanation:

Given

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Finding radius of both spheres:

Surface area of sphere is given as

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Now putting value of Ta=452.16 in above formula

452.16=4πrt^2

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Taking square root on both sides

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Taking square root on both sides

rx=11.99

Comparing radius of sphere X and the radius of sphere T

rx/rt=11.99/5.99

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