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balu736 [363]
4 years ago
11

Please help me!!!! Number 8 and 9.

Mathematics
1 answer:
nirvana33 [79]4 years ago
5 0
Number 8:
m1 = 120°
m2 = 60°
m3 = 120°
m4 = 60°
m5 = 60°
Number 9:
m1 = 100°
m2 = 70°
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Answer:

The Difference between Amount earned from Compound Interest and amount earned from Simple Interest is $7.2  

Step-by-step explanation:

Given as :

The Principal deposited in an account = $ 1500

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The time period = 3  years

<u>From compounded method</u>

Amount = principal × (1+\frac{Rate}{100})^{Time}

Or, Amount = $1500 × (1+\frac{4}{100})^{3}

Or, Amount = $1500 × ( 1.04 )³

∴   Amount = $1500 × 1.1248

I.e  Amount = $1687.2

<u>From Simple Interest method</u>

Simple interest = \frac{principal\times rate\times time}{100}

Or, Simple interest =  \frac{1500\times 4\times 3}{100}

Or, Simple interest =  \frac{18000}{100}

∴   Simple interest = $180

So, Amount = Interest + Principal

     Amount = $180 + $1500

I,e  Amount = $1680

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Hence The Difference between Amount earned from Compound Interest and amount earned from Simple Interest is $7.2    Answer

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4 years ago
Calculate the surface area of the following triangular prism:
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A line of levels is run from point A (elevation 512.53 ft) to point B to determine its elevation. The value so obtained is 521.9
lana [24]

Answer:

d ) None of the above

Step-by-step explanation:

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Subtract the following. Write your answer in standard notation . 18-9.2×10^-4
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