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Lisa [10]
3 years ago
15

Y + 2.13 = -9.74 I need help

Mathematics
1 answer:
Oduvanchick [21]3 years ago
7 0
To get y alone you would subtract 2.12 so
Y = -11.87
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Q15. Ken earned x dollars at his part-time job on Friday. His wife earned $12 more
Vladimir79 [104]

Answer: Ken Earned 81$

Step-by-step explanation: Subtract 12 from the total, then divide by 2 because his wife earns double than him, plus 12$ more.

Have a good day :)

3 0
1 year ago
Ling lives 2 miles from school. It took him 15 minutes to bike from school to home. The first half of the distance he biked at a
alexdok [17]
A) time = distance/speed
For the first half of the trip, the time used was
.. (1 mi)/(12 mi/h) = (1/12) h = 5 minutes
Then the last half of the trip took 10 minutes, 1/6 hour.
.. speed = distance/time
.. = (1 mi)/(1/6 h) = 6 mi/h

The speed for the last half of the trip was 6 mph.


b) The average speed was
.. (2 mi)/(1/4 h) = 8 mi/h

Ling's average speed was 8 mph.
8 0
3 years ago
A couple purchased a home and signed a mortgage contract for $900,000 to
Tema [17]

9514 1404 393

Answer:

  • $33,336.83
  • $35,176.68
  • $36,869.23
  • $38,266.75
  • $39,158.08

Step-by-step explanation:

The amortization formula can be used to find the payment value.

  A = P(r/2)/(1 -(1 +r/2)^(2n))

where P is the principal amount at the beginning of the loan period, r is the annual interest rate, n is the number of years remaining on the loan

The value of A in this scenario is the semi-annual payment.

Initially, the interest rate is 0.055 and the number of years remaining is 25.

After the first 5-year period, the interest rate goes up by 12%, so is multiplied by a factor of 1.12 to become 6.16% per year. The same growth factor is applied to the interest rate at the beginning of each 5-year period.

Of course, the number of years remaining is decreased by 5 years at the beginning of the next 5-year period.

__

The Principal remaining at the end of each 5-year period is the starting principal for the next period. It is calculated from ...

  FV = P(1 +r/2)^10 -A((1 +r/2)^10 -1)/(r/2)

Where P is the starting principal, A is the loan payment as calculated above, and r is the annual interest rate.

__

These formulas are built into spreadsheet functions, so the desired set of loan payments can be calculated easily by that technology. The result is attached. In the "# pmts" column is the value used to amortize the loan for the 5-year period. The semiannual payment is calculated as though the loan would be completely paid off in that number of payments, keeping the same interest rate for the duration. Of course, that payment series is interrupted and the loan recalculated at the beginning of the next 5 years.

The half-yearly payments for each 5-year interval are ...

  $33,336.83

  $35,176.68

  $36,869.23

  $38,266.75

  $39,158.08

_____

<em>Additional comment</em>

The values displayed in the spreadsheet are rounded to the values shown. The values used in calculation have 14 or more significant digits. This means the numbers here may vary from those provided by a lending institution. In the real world, the principal and interest values are rounded to cents with each payment, so actual results may vary by a few cents either way.

7 0
3 years ago
the wires are separated by 0.20 m. at what point between the two wires are the contributions from the two wires the same?
Yuri [45]

Answer:

B

Step-by-step explanation:

8 0
2 years ago
total of 393 tickets were sold for the school play. They were elther adult tickets or student tickets. The number of student tic
Andrews [41]
Answer: adult ticket = 131 , student ticket = 262

Explanation:

Let x be the number of student ticket
Let y be the number of adult ticket

x + y = 393

x = 2y

Substitute x value:

2y + y = 393
3y = 393
y = 131

Substitute y value in one of the equation above:

x = 2(131)
x = 262
8 0
3 years ago
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