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Allisa [31]
3 years ago
12

At the time of her​ grandson's birth, a grandmother deposits $ 7000 in an account that pays 10% compounded monthly. What will be

the value of the account at the​ child's twenty-first​ birthday, assuming that no other deposits or withdrawals are made during this​ period? The value of the account will be ____
Mathematics
1 answer:
beks73 [17]3 years ago
3 0

Answer:

the value his child get after 25 years will be $84,314

Step-by-step explanation:

grandmother deposit =  $ 7000

compounded interest monthly =  10%

for monthly compounded = 10/12 = 0.833%

time = 25 years = 25 × 12 = 300 months

compound interest =

A= P(1+\dfrac{r}{100})^t\\A=7000(1+\dfrac{0.833}{100})^{300}\\A = \$ 84,314

hence the value his child get after 25 years will be $84,314

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Mice21 [21]
B. 3 √3

The shortcuts for a 30 60 90 triangle is that the:

Hypotenuse is 2 times the short leg

The long leg is √3 times the short leg.

Making it 3 √3

Another way is by the Pythagorean Theorem.

a^2+b^2=c^2

3^2+b^2=6^2

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Subtract 9 from both sides

b^2=27

Square root both sides

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An equation that equals to 27 that has a perfect square is 9*3


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The perfect square of 9 equals to 3

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3 years ago
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Karo-lina-s [1.5K]

Answer:


Step-by-step explanation:

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3 0
3 years ago
A fruit seller has 64 oranges in some bags. each bag has 8 oranges. she sells the oranges for $2 per bag. how much does she sell
Aleksandr [31]
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3 years ago
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valina [46]

Answer:

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Therefore:

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The algebraic expression is given as:

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Jonny's brother has $90 in a saving account.

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The algebraic expression is given as:

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An algebraic expression to describe how much money Jonny and his brother will have in their accounts after m months is written as:

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3 years ago
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