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valina [46]
3 years ago
10

Find the accumulated value after 12 years of deposits of $360 made at the beginning of every 3 months and earning interest of 7.

5% compounded quarterly 3. What nominal annual rate of interest compounded quarterly was paid if contributions of $250 made into RRSP at the beginning of every3 months amounted to $14559 after 10 years? 4. If Gary accumulated $5700 in his savings account over 5 years, how much did he deposit at the beginning of each month if interest rate is 4.35% compounded monthly? 5. A vacation property valued at $25000 was bought for 15 payments of $2200 due at the beginning of every 6 months. What nominal annual rate of interest was charged
Mathematics
1 answer:
Effectus [21]3 years ago
3 0
I don't what to read this
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there are five bells which ring at interval of 4,5,12 and 15 minutes respectively at what minute those bells ring at the same ti
Rus_ich [418]
<h3>Answer:   60 minutes</h3>

=====================================================

Explanation:

Let's find the LCM of 4 and 5, which are the first two items of the list.

  • multiples of 4 are: 4,8,12,16,20,24,...
  • multiples of 5 are: 5,10,15,20,25,...

The smallest item in each list is 20, so the LCM of 4 and 5 is 20.

We can replace the "4,5" in the list "4,5,12,15" with "20". So our new list would be "20,12,15".

We then repeat the process of finding the LCM of the first two items

  • multiples of 20 are: 20,40,60,80,...
  • multiples of 12 are: 12,24,36,48,60,72,...

LCM of 20 and 12 is 60.

The list "20,12,15" condenses to "60,15".

Repeat this process of finding the LCM once more and you'll find the overall LCM is 60.

Therefore, the LCM of the entire set {4,5,12,15} is 60. This is the smallest multiple shared by all four values. Interestingly enough, the outer values pair up to multiply to 60, and so do the inner values.

4*15 = 60

5*12 = 60

The bells ring together every <u>60 minutes</u>

In other words, all of the bells ring together at the same time every hour (perhaps at the top of every hour; eg at 7:00 pm and at 8:00 pm, etc).

8 0
3 years ago
Please i need help with a problem ​
Nady [450]

Answer:

Step-by-step explanation:

5 0
3 years ago
2x-1/4(12x+4)=3<br><br><br><br> 2x-1/4 (12x+4)=3
eduard
<span>2x-1/4(12x+4)=3
</span>⇒ 2x -1/4*(12x) -1/4*4= 3 (distributive property)
⇒ 2x -3x -1= 3
⇒ -x= 3+1
⇒ -x= 4
⇒ x= -4
<span>
Final answer: x=-4~

</span>
3 0
3 years ago
Marcus invested $2000 in a bank account earning simple interest. The interest, I, he has after t years at an interest rate r is
Whitepunk [10]

Answer:

  • 4%

Step-by-step explanation:

<h3>Given</h3>

<u>The equation for simple interest:</u>

  • I = 2000rt

<u>And values</u>

  • Total = $2160
  • t = 2
  • r = ?
<h3>Solution</h3>

<u>Interest amount is</u>

  • $2160 - $2000 = $160

<u>Solving for annual interest rate</u>

  • 160 = 2000*2r
  • 160 = 4000r
  • r = 160/4000
  • r = 0.04
  • 0.04*100% = 4%

Annual interest rate is 4%

6 0
3 years ago
Read 2 more answers
What is the theoretical probability that a coin toss results in two heads showing?
Bond [772]
Since it's not mentioned I assume the Event of tossing a die twice are done simultaneously.

1- What is the theoretical probability that a coin toss results in two heads showing? I guess you mean: The theoretical probability of tossing 2 heads in 2 flips, if so P(1st Head) = 1/2 AND P(2nd Head) = 1/2, then the probability of getting 2 heads simultaneously is P(1st Head AND 2nd Head) = 1/2 x 1/2 = 1/4

2- What is the experimental probability that a coin toss results in two heads showing? In this case, I suggest that you toss a coin several times until 2 heads appear and then you calculate P: Assuming you get 2 heads (out of 10toss), the P(H) =2/10

3- What is the experimental probability that a coin toss results in two tails showing? Same logic as the previous one

4- What is the theoretical probability that a coin toss results in one head and one tail showing? If you get one Head, P(H) =1/2 and if you want a tail in the 2nd toss P(1/2). So P(one Head AND one tail) = 1/2 x 1/2 = 1/4

5- What is the experimental probability that a coin toss results in one head and one tail showing? Same as 3- or 4-

8 0
3 years ago
Read 2 more answers
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