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Question 1140083: Survey 20% of students about their favorite sport. Of the students surveyed , 72 said lax is their favorite sport. Based on the data, what is the reasonable prediction for the number of students whose favorite sport is lax

Click here to see answer by ikleyn(52781)

Question 1140132: The Fergusons (children 10, 12, 14, 15) fly from St. Louis ($328 adult) to Niagra Falls. They spend 7 nights in a motel and eat meals at restaurants. They rent a full-sized car for a week. In New York, they ride the Maid of the Mist ($9.00 adult, $5.30 child 5-12) and tour the Cave of the Winds ($6 adult, $5.50 child 6-12), journey Behind the Falls ($7.00 adult, $3.50 child 6-12), IMAX ($10.00 adult, $6.50 child 4-12), and Butterfly Conservatory ($8.50 adult, $4.00 child 6-12). If airfare and car rental is $1,858.67;$285, and meals and lodging is $1,536;$490, how much would admissions be? What would their total be? (Excluding gas)
Click here to see answer by ikleyn(52781)

Question 1140157: 1) In a research experiment, a population of fruit flies is increasing according to the law of exponential growth. The experiment starts with 100 flies, and after 2 days there are 300 flies. How many flies will there be after 10 days and how long did it take for the fly population to double?

2) Aeris invests $100 compounded continuously. After 2 years, her account balance is $300. How long will it take for her account balance to be $24,300 and how long did it take for you account balance to double?
Click here to see answer by josgarithmetic(39617)

Question 1140272: Find the values of a and b that make the following expression an identity:
(5x)/((x−2)(x+3)) = a/(x−2) + b/(x+3)
Click here to see answer by greenestamps(13200)

Question 1140273: Find the values of a and b that make the following expression an identity:
(5x+31)/((x−5)(x+2)) = a/(x−5) − b/(x+2)
Click here to see answer by Boreal(15235)

Question 1140297: Aeris invest $100 compounded continuously. After 2 years, her account balance is $300. How long will it take for her account balance to be $24,300 and how long did it take for you account balance to double?
Click here to see answer by ikleyn(52781)

Question 1140295: In a research experiment, a population of fruit flies is increasing according to the law of exponential growth. The experiment starts with 100 flies, and after 2 days there are 300 flies. How many flies will there be after 10 days and how long did it take for the fly population to double?
Click here to see answer by ikleyn(52781)

Question 1140307: ``In a single week at a Call Centre, the team of Jimmy, Stephanie, Tom and Abigail had received a total of 140 calls.
Stephanie received twice as many calls as Jimmy and Tom received 20 less calls than Stephanie. Abigail had received a quarter as many calls as Tom.
How many calls did each of the team receive?
Click here to see answer by josgarithmetic(39617)

Question 1140404: what happen if there is any fault downstream of the 13A fuse
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Question 1140402: What is the minimum rated current of a 10A Q2 fuse that will be operated. (take class Q2 fusing factor to be between 1.5 and 1.75)
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Question 1140399: A plant is 2 feet high when planted. if grow 2.5 feet during the first year. each subsequent year the plant grows 3/4th of the previous year's growth. what is the maximum height of the plant.
Click here to see answer by Boreal(15235)

Question 1140398: the sum of first six term of gp is -136.5 . if the common ratio is -2 . find the third term
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Question 1140435: Sara opened her investment account with $8200. It decreased 6% this year. What's her year end amount
Click here to see answer by josmiceli(19441)

Question 1140442: Solve the equation x^2+16=0, if possible. Write irrational numbers in simplest radical form. Describe the strategy you used to get your solution and tell why you chose that strategy.
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Question 1140443: Solve the equation x^2-4x+2=0 , if possible. Write irrational numbers in simplest radical form. Describe the strategy you used to get your solution and tell why you chose that strategy.
Click here to see answer by Alan3354(69443)

Question 1140459: The amount of a weekly paycheck (before taxes) varies directly with the amount of time in hours spent working.
Find an equation to express the relationship if the amount of the paycheck is $140.00 (W) for 16 hours (t) of work.
W = weekly paycheck
t = time in hours
If I want to write an equation for this problem, do I just substitute in the numbers for the variables?
ex. 140(16)
Click here to see answer by josgarithmetic(39617)

Question 1140467: Arianna invested $1,100 in an account paying an interest rate of 5.3% compounded daily. Assuming no deposits or withdrawals are made, how much money, to the nearest cent, would be in the account after 14 years?
Click here to see answer by Theo(13342)

Question 1140499: p=11,000 r= 2% compounded= annually t
=5
The amount of money in 5 years is
The amount of interest is
Click here to see answer by Boreal(15235)

Question 1140506: Given: 4 a+b
Click here to see answer by greenestamps(13200)

Question 1140525: A man standing at a top of a bridge looking down at boat that is out at sea. The man is 2m tall, the bridge is 30m high, if the boat is 78m from the shore, find the angle of depression of the boat from the man
Click here to see answer by ankor@dixie-net.com(22740)

Question 1140555: You invest $1000 per month in an account earning 6.5% compounded monthly, how much will be in your account after 25 years? Round to nearest penny.
Click here to see answer by ikleyn(52781)

Question 1140566: Ahmad had 46 more $5 notes than $10 notes in his piggy bank. he took out some $ 5 notes. the total amount of $5 notes he took out was $545. in the end, he had 8 times as many $10 notes as $5 notes.how to solve this question
Click here to see answer by ikleyn(52781)

Question 1140548: Show that (cosec^4x-1)/(cot^2x)=2+cot^2x
Click here to see answer by MathLover1(20849)

Question 1140547: Show that (sec^4x-1)/(tan^2x)=2tan^2x
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Question 1140580: A mental disc 12cm in diameter and 5cm thick is melted down and cast into a cylindrical bar of diameter 5mm thick.how long is d bar
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Question 1140579: A city charges a base rate of $20, plus $5 per 1,000 gallons of water used. If billed $48, how much water did you use that month?
Click here to see answer by ikleyn(52781)

Question 1140583: In a school, 35% of the pupils were Chinese, 25% were Malays, 80% of the remainder were Indians and the rest were Eurasians.
a. What percentage of the pupils were Eurasians?
b. They were 540 more Chinese than Eurasian pupils in the school. Find the enrollment of the school.
Click here to see answer by greenestamps(13200)

Question 1140571: Given: 4 a−b
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Question 1140500: Suppose that you decide to borrow $17,000 for a new car. You can select one of the following loans, each requiring regular monthly payments.
Installment Loan A: three-year loan at 5.95%
Installment Loan B: five-year loan at 6.46%
a. Find the monthly payments and the total interest for Loan A.
The monthly payment for Loan A is $
(Do not round until the final answer. Then round to the nearest cent as needed.)
The total interest for Loan A is $
(Round to the nearest cent as needed.)
b. Find the monthly payments and the total interest for Loan B.
The monthly payment for Loan B is $
(Do not round until the final answer. Then round to the nearest cent as needed.)
The total interest for Loan B is $
(Round to the nearest cent as needed.)
c. Compare the monthly payments and the total interest for the two loans.
Determine which loan is more economical. Choose the correct answer below.
A.
The five-year loan at 6.46% is more economical.
B.
The three-year loan at 5.95% is more economical.
The buyer will save approximately $ in interest.
(Round to the nearest cent as needed.)

Click here to see answer by Theo(13342)

Question 1140642: The quotient of the sum of 3 and a number and 6 is less than -2
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Question 1140642: The quotient of the sum of 3 and a number and 6 is less than -2
Click here to see answer by josgarithmetic(39617)

Question 1140649: Hi can someone help with the below mentioned problem.
Ahmad had 46 more $5 notes than $10 notes in his piggy bank. he took out some $ 5 notes. the total amount of $5 notes he took out was $545. in the end, he had 8 times as many $10 notes as $5 notes.
a) How many $5 notes did ahmad have at first?
b) How much money did Ahmad have left in his piggy bank?
Click here to see answer by Theo(13342)

Question 1140590: 80% of the people at a concert were adults. 75% of the children at a concert were boys. There were 36 more boys than girls.
a. How many boys were there at a concert?
b. Some boys left halfway through the concert after which 10% of the remaining people at the concert were boys. How many boys left the concert halfway?
Click here to see answer by ikleyn(52781)

Question 1140679: Angela wants to buy a house for R700000.She has a deposit of R50000 and takes out a loan for the balance at a rate of 18% p.a compounded monthly.
(1) How much money must Angela borrow from the bank?
(2) Calculate the monthly payment if she wishes to settle to settle the loan in 15 years.
(3) Angela later won the lottery and wished to settle the loan after the 50th payment.What is the outstanding balance?
Please help me I begg
Click here to see answer by Theo(13342)

Question 1140681: How to convert radicals into decimal?
Example, √2=?
Click here to see answer by Alan3354(69443)

Question 1140709: Hi
Can you please help me to solve it in a equation method.
luke had 22 more stickers than mike at first. mike gave 13 of his stickers to luke. Luke now has 4 times as many stickers as mike.How many stickers did mike have at first?
Thank you so much!
Click here to see answer by greenestamps(13200)

Question 1140718: what is the probability of drawing a black card divisible by 5 from a standard deck of 52 playing cards?
please help
Click here to see answer by math_helper(2461)

Question 1140766: Question 10
Last year, Reuben opened an investment account with $7800.
At the end of the year, the amount in the account had decreased by 6.5%.
How much is this decrease in dollars? How much money was in his account at the end of last year?
Find the Decrease in amount, and the year end amount

Click here to see answer by Boreal(15235)

Question 1140785: Hi
Can you please help this. I got 7/8 is an answer. I dont know if iam right. So please help me
Thanks in advance!
mrs wong bought 2 types of ingredients, flour and sugar to make some cookies. she used the same amount of flour and sugar for the cookies, had 3/4 of the flour and 3/8 of the sugar left.what fractions of the total ingredient bought was used to make the cookies?
Click here to see answer by Boreal(15235)

Question 1140784: Help please! I'm confused on how to get the yearly contribution. Kelly and Sam plan to send their daughter to college. To pay for this they will contribute 10 equal yearly payments to an account bearing interest at the APR of 4.2%, compounded annually. Four years after their last contribution, they will have begin the first of five, yearly withdrawals of $49,300 to pay the college expenses. How large must their yearly contributions be?
Click here to see answer by ankor@dixie-net.com(22740)

Question 1140762: Bob received five email messages yesterday in the following order: A, B, C, D, and E. Whenever he opened his mail box, he always replied the most recent message first. Which one of the following is the possible order he replied to the five messages:
(1) ABECD
(2) BAECD
(3) CEDBA
(4) DCABE
(5) ECBAD
Click here to see answer by greenestamps(13200)

Question 1140849: Please explain:
A salesperson earns a base salary of $1280 per month and a commission of 6.4% on the amount of sales made. If the salesperson has a paycheck of $4505.60 for one month, what was the amount of sales for the month?
Thank you.
Click here to see answer by ikleyn(52781)

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