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Vika [28.1K]
3 years ago
15

Solve and show all steps

Mathematics
1 answer:
Westkost [7]3 years ago
4 0
SOHCAHTOA

opposite =y
Hypotenuse=8
Adjacent=x


when solving for y:
use sin, therefore sin45=y/8
y= 8sin45
y=4sqrt2

when solving for x:
use cos, therefore cos45=x/8
x=8cos45
x=4sqrt2


pls don't blame me if it's wrong!!!




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Dominic considers buying 2 points on a 25-year, fixed rate mortgage for $187,600. His interest rate will be 5.45% if he does not
algol [13]

Answer:

If Dominic buys 2 points (2% of the loan value) he will get a better rate and hence less payment.  The question is asking how long will it take him to save the initial investment of 2% of the loan value due to a smaller payment.  The monthly payment at 5.45% is  $1,146.43,  the monthly payment for 5.2% is  $1,118.66.  This is a difference of  $27.77 per month.  The 2 points will cost him  $3,752.00.  The question is asking how long will it take Dominic to re-coup his  $3,752.00 if he saves $27.77 per month.  Just divide the 2 numbers and you get  135.10 months.  If you divide that by 12 you get 11.26 years, which is roughly 11 years, 4 months.

Step-by-step explanation:

Here is what the question is asking.  If Dominic buys 2 points (2% of the loan value) he will get a better rate and hence less payment.  The question is asking how long will it take him to save the initial investment of 2% of the loan value due to a smaller payment.  The monthly payment at 5.45% is  $1,146.43,  the monthly payment for 5.2% is  $1,118.66.  This is a difference of  $27.77 per month.  The 2 points will cost him  $3,752.00.  The question is asking how long will it take Dominic to re-coup his  $3,752.00 if he saves $27.77 per month.  Just divide the 2 numbers and you get  135.10 months.  If you divide that by 12 you get 11.26 years, which is roughly 11 years, 4 months.

3 0
3 years ago
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Luden [163]
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4 0
3 years ago
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with calc in pc: view → scientific → 27→sin = 0.45399, 

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Answer: 74.89
5 0
3 years ago
Okay, I'm having trouble with homework and it says on my worksheet: Well, the coupon is 10%. The digital camera costs $95. The q
mamaluj [8]
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