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Gwar [14]
3 years ago
15

Six and seven on this wkst!!!!!

Mathematics
1 answer:
Sholpan [36]3 years ago
4 0

Answer:

6.) x=5/4

7.) x=-6

Also, since your worksheet in paratheses says it would help to graph number 7, I attached a graph for it. :)

Step-by-step explanation:

Just ask!

Hope this helps. :))

Sorry if I'm wrong.

~Happy Holidays!!~ o(* ̄▽ ̄*)ブ

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Lucy recieves a gift of a twenty-one year annuity on the day she was born. The annuity pays $500 on her odd birthday and $700 on
suter [353]

Explanation:

Let i represent the nominal annual interest rate (8%). Then the effective annual multiplier of the principal is ...

  (1 +i/12)^12 = (1+.08/12)^12 ≈ 1.0829995

Then the 2-year multiplier is the square of this:

  1+r = (1.0829995)² = 1.1728879

We can use the formula for the present value of an annuity to refer all of the odd-birthday payments to 1 year prior to birth, then adjust by the above annual multiplier. All the even-birthday payments will have the formula applied in the usual way.

  PV = P(1 -(1+r)^-n)/r

where P is the payment amount, (1+r) is the periodic multiplier, and n is the number of payments.

For the odd-birthday payments, the PV (1 year early) is ...

  PV = $500(1 -(1.1728879)^-11/0.1728879 = $2391.5704

so, the amount referred to the day of birth is ...

  1.0829995 × $2391.5704 = $2590.07 . . . . . PV of odd-birthday payments

__

The value of even-birthday payments is ...

  PV = $700(1 -(1.1728879)^-10/0.1728879 = $3227.06

And the total value of both sets of payments is ...

  annuity value = $2590.07 +2337.06 = $5817.13

_____

<em>Alternate solution</em>

You could also work this using the PV formula on the sum of ten sets of two years' payments: (700 +500/1.083) and then add the PV of the first odd-year birthday payment: 500/1.083.

This gives ...

  500/1.083 + (700 +500/1.083)(1 -(1.1729^-10))/0.1729 = 5817.13

3 0
4 years ago
Need help asap! Thanksss
Orlov [11]
The correct answer is 558
3 0
3 years ago
Read 2 more answers
The area of a rectangular pool is given by the trinomial 2y2 + 5y – 42. What are the possible dimensions of the pool? Use factor
arsen [322]

Answer:

D is your answer

Step-by-step explanation:

(2y-7) (y+6) that is my answer and it matches with D promise 100%

3 0
3 years ago
A florist delivers flowers to anywhere in town. D is the distance from the delivery address to the florist shop in miles. The co
Inessa [10]

A. C (6) = 15.24; C 11 = 22.09.

C (6) represents the cost, $15.24, of delivering flowers to a destination that is 6 miles

from the shop.

C (11) represents the cost, $22.09, of delivering flowers to a destination that is 11 miles

from the shop.

b.

8 0
3 years ago
Read 2 more answers
Triangle ABC is isosceles, with ab = CB
patriot [66]
I’m pretty sure the correct answer is B.
6 0
4 years ago
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