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VMariaS [17]
3 years ago
11

If you flip a pair of coins 48 times, how many times are you most likely to get 2 heads.

Mathematics
1 answer:
pentagon [3]3 years ago
3 0
But actually its based on your luck
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3. Suppose your credit card has a balance of $7800 and an annual interest rate of 16%. You decide
Blizzard [7]

Answer:

  • $274.22 per month
  • $2071.92 in total interest
  • $433.48 more per month
  • $1379.52 less in interest

Step-by-step explanation:

a) The amortization formula is used to find the monthly payment (A):

  A = P(r/n)/(1 -(1 +r/n)^(-nt))

for a loan of a principal amount P at annual rate r compounded n times per year for t years.

For a borrowed amount of $7800 at 16% compounded monthly for 3 years, the payment will be ...

  A = $7800(.16/12)/(1 -(1 +.16/12)^(-12·3)) ≈ $274.22

You must pay $274.22 each month to pay off the credit card in 3 years.

__

b) The total amount repaid is 36 times this monthly payment, so is ...

  $274.22 × 36 = $9871.92

The amount by which this exceeds the principal borrowed is ...

  $9871.92 -7800 = $2071.92

You will pay $2071.92 in interest.

__

c) Changing the time period to 1 year gives the payment value ...

  A = $7800(.16/12)/(1 -(1 +.16/12)^(-12·1)) ≈ $707.70

The additional amount you must pay is ...

  $707.70 -274.22 = $433.48

You must pay $433.48 more each month.

__

d) Your total interest with the higher payments will be ...

  $707.70×12 -7800 = $692.40

The difference in interest amounts is ...

  $2071.92 -692.40 = $1379.52

You will pay $1379.52 less in total interest.

_____

<em>Caveat</em>

Here, the monthly amounts are rounded and the total repayment amount is based on that rounded value. In an actual payment situation, the final payment will be adjusted by a small amount to account for the fact that the monthly payment shown is not exact. That will affect the total interest and the difference in interest.

8 0
2 years ago
Which table shows a function that is decreasing only over the interval (–1, ∞)? A 2-column table with 6 rows. The first column i
Lemur [1.5K]

Answer:

B. f(x) ≤ 0 over the interval [0, 2]. D.f(x) > 0 over the interval (–2, 0). E.f(x) ≥ 0 over the interval [2, ).

Step-by-step explanation:

Those are the 3 answers. Just did it on edge.

8 0
2 years ago
In an examination it is required to get 40% of the aggregate marks to pass. A student gets 261 marks and is declared failed by 4
svetoff [14.1K]
The solution to the problem is as follows:

<span>→x− 4% (x) = 261</span>
<span><span>
→x − <span><span>4x/</span>100 </span>= 261

</span></span>I hope my answer has come to your help. Thank you for posting your question here in Brainly. We hope to answer more of your questions and inquiries soon. Have a nice day ahead!
4 0
2 years ago
8 to the power of 2 x (2+6) / 4
inn [45]

Answer:

Below,...!

Step-by-step explanation:

8^2 = 64\\64*(2+6) = 64*8\\64*8 = 512\\512/4 = 128\\\\Answer=128

Chow,...!

5 0
3 years ago
Helen is a secretary and earns $10.82 per hour she worked 38 hours last week , what is her straight-time pay?
NikAS [45]

Answer:

Answer is : $411.16

Step-by-step explanation:

How much she earns per hour which is $10.82 times by the total hours she have worked 38h then you get the answer which is $411.16

$10.82 X 38 hours = $411.16 total

3 0
2 years ago
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