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Gwar [14]
3 years ago
13

Need help on this question please x-7y=10 and 2x+14y=21

Mathematics
1 answer:
dalvyx [7]3 years ago
5 0

Answer:

x=7y+10

Step-by-step explanation:

x−7y=10

x−7y+7y=10+7y

x=7y+10

Answer:

x=−7y+21/2

12/2 is a fraction

Step-by-step explanation:

2x+14y=21

2x+14y+−14y=21+−14y

2x=−14y+21

2x2=−14y+21/2

x=−7y+21/2

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You are applying for an 80/20 mortgage to buy a house costing $145,000. The first (80%) mortgage has an interest rate of 4.75%,
babymother [125]

Answer:

$291,016.80

A is correct.

Step-by-step explanation:

You are applying for an 80/20 mortgage to buy a house costing $145,000.

Loan Formula:

EMI=\dfrac{P\cdot r}{1-(1+r)^{-n}}

Case 1:

Loan amount, P = 80% of 145000 = $ 116,000

Rate of interest, r = 4.75% = 0.0475

Time of loan, n = 30 years = 360 months

Substitute the values into formula.

EMI=\dfrac{116000\cdot \frac{0.0475}{12}}{1-(1+\frac{0.0475}{12})^{-360}}

EMI=605.11

Total payment for case 1: 605.11 x 360 = $217,839.60

Case 2:

Loan amount, P = 20% of 145000 = $ 29,000

Rate of interest, r = 4.75% = 0.07525

Time of loan, n = 30 years = 360 months

Substitute the values into formula.

EMI=\dfrac{29000\cdot \frac{0.07525}{12}}{1-(1+\frac{0.07525}{12})^{-360}}

EMI=203.27

Total payment for case 1: 203.27 x 360 = $73,177.20

Total amount of the mortgage = $217,839.60 + $73,177.20

                                                    = $291,016.80

Hence, The total amount of the mortgage is $291,016.80

3 0
2 years ago
Each pack of batteries cost $21. How many i can buy if i have $63?
Rashid [163]

Each pack of batteries cost $21 each.
And then you have $63.

The operation to be used: Division.

63 ÷ 21 ==

Answer: 3


= You can buy 3 packs of batteries with your $63.

6 0
3 years ago
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Rewrite each subtraction problem as a addition problem x-156=279​
Sauron [17]

Answer:

the answer is 123 123+156=279.

4 0
3 years ago
Giving stars and thanks :) also be ready for more if you can help me !
Ber [7]
Number 1 is B and number 2 I belive is C. I hope I'm rightt, and I hope this helps.
8 0
2 years ago
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What is the complement and supplement of 71°?
goldenfox [79]
Answer: the compliment is 19° (90-71=19). the supplement is 109° (180-71=109)
5 0
3 years ago
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