The sum of the first 7 terms if a, 4, r= -4 %3D

Q: How much time is n for $300 to accumul

A: Introduction: The formula of compound interest is given by, A=P1+rnnt Where A is the final amount, P…

Q: Elsa  borrowed a total of $19,000 from two different banks to start a business. one bank charges the…

A: Refer to the question, Elsa  borrowed a total of $19,000 from two different banks to start a…

Q: A man has 32 coins in his pocket all of which are dimes and quarters. If the total value of his…

A: We will solve the following.

Q: Suppose you save $5 each week. If you continue saving for 5 years, how much will you have saved

A: Since we know that  normally there are 52 weeks in a year. so in 5 years = 52*5…

Q: Find the sum of the first n terms of:

A: Sum of n terms of geometric seriesSn=a(rn-1)r-1where a= first termr=common ration= number of term

Q: The sum 1 + 2+ 3+ ... +n is equal to one three-digit number with the same digits. Determine that…

A: Given the sum is three digit number with the same digit , let the number be aaa Hence 1+2+3+...+n =…

Q: tractor cost 9950 and depreciates in  value by 14 % per year how much will the tractor be worth…

A: Given query is to find the value of tractor after 112 years.

Q: A total of $40,000 is invested in two municipal bonds that pay 5.75% and 7.25% simple interest. The…

A:

Q: Give the sum: 8 Σ 2 \* x=1

A: Use the formula for the summation of a finite geometric series.

Q: Zack is 4 times as old as Salman. Zack is also 3 years older than Salman. How old is Zack?

A: Let the age of Zack be x years and the age of salman be y years.Given that Zack is 4 times as old as…

Q: 3 friends divided some strawberries equally. After they each ate 4 strawberries, the total number of…

A:

Q: Suppose you have quarters, dimes, and pennies with a total value of $1.19. How many of each coin can…

A: Using quarters, dimes and pennies to make a total value $1.19

Q: A computer shop charges P20.00 per hour (or a fraction of an hour) for the first two hours and an…

A:

Q: Find the sum of the general term an = 7n + 25 from 5th term up to 20th term.

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Q: if a chicken and a half lays an egg and a half in a day in a half how many eggs will 6 chickens lay…

A: Given that, 1.5 chicken lays 1.5 eggs in 1.5 days.

Q: our investment account pays 3% interest. If you deposit $10 a day, how much will you have after 5…

A:

Q: Rachel, Adrian, and Aaron invested a total of $600,000 in the ratio of 8: 6: 6 to start a business.…

A: For the solution follow the next step.

Q: Find the population of fish at 10 years if p(0) = 1000

A: Given,  The rate of change of a fish population is  dpdt = e12t - 100  We have to find the…

Q: Shawna invested a total of $12,000 in two mutual funds: an international fund and a real estate…

A:

Q: Melly is three times as old as Ador. In 5 years, Melly will be twice as old as Ador. How old Ador?

A: Given,           Melly is three times as old as Ador. In 5 years, Melly will be twice as old as…

Q: You invested $4000 between two accounts paying 2% and 8% annual interest, respectively. If the total…

A:

Q: How much Will a person pay 5.4 pounds of bananas at a price of $0.78 per pound

A: the rate of banana = $7.08 per pound total banana buy = 5.4 pounds

Q: You save $1 the first day of a month, $2 the second day, $4 the third day, continuing to double your…

A: Given:Let  a1=1,a2=2,a3=4S30=?Common ratio r=a2a1Sn=a1-rn1-r,  r<1Sn=arn-1r-1, r>1

Q: After my birthday in the year 2010, the number of my years was the same as the sum of digits of the…

A:

Q: you start with 500 items. How many do you have after a 100% increase?

A: The initial number of items=500. The percentage increase=100%. Need to find the final number of…

Q: A state lotto has a prize that pays $900 each week for 15 years. find the total value of the…

A: A state lotto has a prize that pays $900 each week for 15 years. find the total value of the…

Q: If a person borrows $2 400 and repays the loan by paying $100 per month to reduce the loan and 1% of…

A: Given: The loan amount borrowed is $2400 and the loan amount repaid is $100 per month. Th total cost…

Q: The sum 1 + 2+3+ ...+n is equal to one three-digit number with the same digits. Determine that…

A: The sum of first n natural numbers can be represented by the formula:  1+2+3+……+n=n(n+1)2  . The…

Q: if Samantha ran 3003 miles in 7 days how many miles will she run in 3 days

A:

Q: David is five years older than Emmanuel. Six years from now the sum of their ages is 79. How old is…

A:

Q: The sum 1 + 2+ 3+...+ n is equal to one three-digit number with the same digits. Determine that…

A: We know that, 2+3+4+.....+n=nn+12 We have to find one three digit number with the same digits as the…

Q: Find the sum of the first eight terms 1/8, -1/4, 1/2...

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Q: There is a teacher that is 42 years old, This boy is 12 years old. In how many more years will the…

A: Consider the age of teacher be T and age of boy be B. T=42 yearsB=12 years Consider, after n years…

Q: A state lotto has a prize that pays $1,400 each week for 15 years. Find the total value of the…

A:

Q: Find the Accumulated Value of 2 at the end of the n years if

A: Please check step 2 for the solution.!

Q: Customers of a phone company can choose between two service plans for long distance calls. The first…

A:

Q: A group of people share equally in a $5,000,000 lottery. Before the money is divided, three more…

A: It is given that,a group of people share equally in a $5,000,000 lottery. Before the money is…

Q: The sum if a two digit number and the number obtained by reversing its digits is 121 . Find the…

A:

Q: A group of people share equally in a $20,000,000 lottery.Before the money is divided, two more…

A: Let x be the number of people in the original group of winners. Since $20,000,000 lottery share…

Q: A hotel charges an initial check-in fee of $30, plus $40 for each day the room is booked. How many…

A:

Q: the sum of the first 7 terms if a1=¼, r=-4

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Q: A total of $20,000 is invested in two corporate bonds that pay 3.5% and 5% simple interest. The…

A: Given:   A total of $20,000 is invested in two corporate bonds that pay 3.5% and 5% simple interest.…

Q: The manager of an apartment complex is also a tenant. He pays only three-fourths of the monthly rent…

A: Given: Total rent paid by 7 occupants is $5940. Also the manager pays only three forth of the…

Q: The sum 1 + 2+ 3+ . +n is equal to one three-digit number with the same digits. Determine that…

A: solve the equation n(n+1)​2=xxx  n(n+1)​=xxx=x×111111 Can be write in the form of product of two…

Q: how much would someone need to deposit each year into the account in order to have $60,000 saved up…

A: Maturity amount is $60000 Time period is 17 years Rate of Interest is 8%

Q: The question says A class is attended by 12 boys and 24 girls . Write the ratio of girls to students…

A: Given  Class have no of boys = 12 Class have no of girls = 24 Total no of student = 12+24 = 36

Q: Louis is 6years older than kerin and kerin is 4 years older than john.the sum of their ages is…

A: Using algebra & given condition.