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rafamoreura
12.05.2021 •
Mathematics
What point on the unit circle corresponds to this angle?
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Ответ:
20/10
10/
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Ответ:
Edy and Juan have the same amount of money in their accounts after 5 months.
Step-by-step explanation:
Edy
saving account = $450
She deposits $40 each months, so
credits = $40 per month
Juan
saving account = $975.
he have to pay $45 for cellphone bill and $ 20 for water bill each month, Therefore
Debits = $45 + $20
= $65
let say after M months, the total money of both will be the same. to find the M, first, we can calculate the amount of money each of them.
The amount of Edy's money in her saving account can be calculated by adding the money in her saving account and her deposits ($40) in M months, as below
Edy's Money = $450 + ($40 x M)
The amount of Juan's money is the subtraction of his saving account and the total of bill payments in M months.
Juan's Money = $975 - ($65 x M)
The money of Both Edy and Juan after M month is the same, hence
Edy's Money = Juan's Money
$450 + ($40 X M) = $975 - ($65 x M)
Move $450 to the right which will be in minus, and move ($65 x M) to the left side which will be plus.
Notes : moving subtraction or addition to the other side will change their symbol, plus become minus and minus become plus.
($40 X M) + ($65 x M) = $975 - $450
M x ($40+$65) = $525
M x ($105) = $525
M =![\frac{525}{105}](/tpl/images/0362/7320/1c7e6.png)
M = 5