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Anestetic [448]
2 years ago
5

I really need help please

Mathematics
1 answer:
Leokris [45]2 years ago
6 0

Answer:

So we have two given angles- 31* and 43*.

First we add those together.

31* + 43* = 74*

Then, we subtract that amount from 180*

180* - 74* = 106*

106* is the missing angle.

x106* - 31* = 75*

x106* + 43* = 149*

~Hope this helps~

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Answer:

a) $520

b) $580

c) Interest amount is same each year

Step-by-step explanation:

Given - Georgie put $500 in her savings account, earning interest at a rate of 4% each year. She did not make any more deposits or withdrawals.

To find - a) How much money was in the account after one year?

              b) How much money was in the account after 4 years?

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Proof -

Here given that,

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a)

Amount =  P [ 1 + RT ]

             = 500 [ 1 + 0.04(1)]

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⇒Amount = $520

b)

Amount =  P [ 1 + RT ]

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c)

In 2nd year,

Amount =  P [ 1 + RT ]

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Now,

Interest in 1st year = 520 - 500 = 20

Interest in 2nd year = 540 - 520 = 20

So,

The interest amount  is same each year

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Divide by 2π both sides

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