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sertanlavr [38]
3 years ago
8

The product of three consecutive odd numbers is 6,783. What are the numbers?

Mathematics
1 answer:
Katarina [22]3 years ago
7 0
<span>The numbers are 2260, 2261, and 2262. Here’s how i figured it out:
Let x = The smallest numberThe second number is the the first number with one added to it, so it can be represented as x+1.The third number is the first number added 2 to it, so we can say it's x+2.Put this in a equation. The three numbers add together to become 6783, so it will be the sum.6783 = x + x + 1 + x + 2I just replaced the second and third numbers with what I explained above.We also can simplify the expression by combining the like terms to become 6783 = 3x + 3.Subtract 3 on both sides.6780 = 3xDivide by three on both sides to isolate the variable.2260 = xBut, we’re not done yet. Since x is only the starting number, we have to add 1 and 2 to it to get the consecutive  numbers. I think you can add, so the three consecutive numbers will be 2260, 2261, and 2262. If you’re not sure then you can add the three numbers together and you will get 6783.<span>I hope this answer helped and if you have any other questions, don’t hesitate to contact me!</span></span>
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3 years ago
A credit union loaned out $50,000, part at an annual rate of 6% and the rest at an annual rate of 12% . The collected combined i
Natasha_Volkova [10]

Answer: the credit union loaned out $40000 at 6% and $10000 at 12%

Step-by-step explanation:

Let x represent the amount that the

credit union loaned out at the annual rate of 6%.

Let y represent the amount that the

credit union loaned out at the annual rate of 12%.

credit union loaned out $50,000, part at an annual rate of 6% and the rest at an annual rate of 12%. It means that

x + y = 50000

The interest on $x after 1 year would be

6/100 × x = 0.06x

The interest on $y after 1 year would be

12/100 × y = 0.12y

The collected combined interest was $3,600 that year. It means that

0.06x + 0.12y = 3600- - - - - - - - - 1

Substituting x = 50000 - y into equation 1, it becomes

0.06(50000 - y) + 0.12y = 3600

3000 - 0.06y + 0.12y = 3600

- 0.06y + 0.12y = 3600 - 3000

0.06y = 600

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2 years ago
Calculate the future value (in dollars) of $1,550 deposited into an account earning an annual simple interest rate of 4% compoun
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Answer: the future value is $1748.4

Step-by-step explanation:

We would apply the formula for determining compound interest which is expressed as

A = P(1+r/n)^nt

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A = total amount in the account at the end of t years

r represents the interest rate.

n represents the periodic interval at which it was compounded.

P represents the principal or initial amount deposited

From the information given,

P = 1550

r = 4% = 4/100 = 0.04

n = 365 because it was compounded 365 times in a year.

t = 3 years

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For this case we propose a system of equations:

x: Let the variable representing the number of children in the concert

y: Let the variable representing the number of adults at the concert

According to the assistance we have:

x = 3y

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Substituting the first in the second equation we have:

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The concert was 1500 people

3 0
3 years ago
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