Saturday

December 10, 2016
Number of results: 58,068

**Algebra 2 **

Juan is comparing the cell phone plans shown in the advertisement. Plan A charges a $15 monthly fee plus $0.40 per min. Plan B charges a $30 monthly fee plus $0.25 per min. For what number of minutes of use do the plans cost the same? How much will that be?

*October 11, 2014 by Victoria*

**Math**

Running at the average speed of 400m/min, Drake dashed to the end of the course. He then walked back to his starting position at an average rate of 80m/min. How long was the course if it took him 6 minutes to make the dash and walk back? Time = distance ÷ speed so if d is the...

*March 30, 2016 by PleaseCheckMyAnswer*

**math**

6. If each of eight biology classrooms is in use for 5 hours and 15 minutes per day, and total of 84 student experiments are done, how long does each experiment take on average? A.20 minutes B.30 minutes C. 40 minutes D.50 minutes E.1 hour please show work.

*July 23, 2014 by Johnny *

**math**

write and evaluate an expression for the total cost of a 17 minute long distance phone call. .99 for the first minute and .10 for each additional minute.

*August 25, 2011 by Brianna*

**Math**

At football practice, players do a 20-minute warm-up before starting their practice drills. After the practice drills, they do a 10-minute cool-down. The expression 20+d+10 describes the length of practice, where d is the number of minutes the practice drills last. How long, ...

*May 31, 2011 by Bella*

**Math**

The price of an international call from Detroit to Paris, France, using a particular phone company is 75 cents for the first 5 minutes and 10 cents for each additional minute or fraction thereof. What is the cost (in dollars) of a 25 minute call from Detroit to Paris?

*January 23, 2010 by Matthew*

**algebra**

a long distance call costs .50 for the first minute, and then .9 for each additional minute. If the call lasted 10 minutes, how much did the call cost in cents? Thanks

*October 15, 2015 by Tina*

**Math**

At football practice, players do a 20-minute warm-up before starting their practice drills. After the practice drills, they do a 10-minute cool-down. The expression 20+d+10 describes the length of practice, where d is the number of minutes the practice drills last. How long, ...

*June 1, 2011 by PLEASEEEE*

**Mathematics**

At football practice, players do a 20-minute warm-up before starting their practice drills. After the practice drills, they do a 10-minute cool-down. The expression 20+d+10 describes the length of practice, where d is the number of minutes the practice drills last. How long, ...

*June 1, 2011 by HELP*

**math**

At football practice, players do a 20-minute warm-up before starting their practice drills. After the practice drills, they do a 10-minute cool-down. The expression 20+d+10 describes the length of practice, where d is the number of minutes the practice drills last. How long, ...

*June 1, 2011 by HELP ME PLSSSSSSSS*

**math**

grant pays $0.10 per minute plus $5 per month for telephone long distance write an algebraic expression for m minutes of long distance calls in one month

*October 1, 2015 by karla*

**Math**

At & T has a cell phone plan of $25.00 a month plus 30 cents per minute. There is a one year contract wit a new phone for $19.99 Can someone put this into a equation for me.

*March 7, 2015 by Jessica*

**math**

the minute hand of a clock is 6 inches long. how far does the tip of the minute hand move in 15 minutes? what is the circumference of a circle with radius of 6 in? It is 12 pi What fraction of a circle does the minute hand move in 15 minutes? It is 90 degrees So what do I do ...

*December 8, 2008 by kayla*

**algebra 1**

Natalie performs a chemistry experiment where she records the tenperture of an ongoing reaction.The solution is 93.5 C after 3 minutes;90 C after 5 minutes,84.8 C after 9 minutes; 70.2 C after 18 minute; 54.4 C after 30 minutes;42.5 C after 37 minutes; and 24.9 C after 48 ...

*October 24, 2012 by Janet*

**Math**

Natalie performs a chemistry experiment where she records the temperature of an ongoing reaction. The solution is 93.5º C after 3 minutes; 90º C after 5 minutes, 84.8 C after 9 minutes; 70.2º C after 18 minute; 54.4º C after 30 minutes; 42.5ºC after 37 minutes; and 24.9...

*May 2, 2013 by Brittany*

**math**

a cell phone company charges $10 per month, for up to 500 text messages, and $.15 for each additional text messages. Stanley was charged $14.50 last month for text messages. Write an equation to find the number of text messages over 500 he sent and received last month

*October 13, 2014 by bailey*

**algebra**

electricity costs 7.57 a month plus 8.77 per kilo watt hour for the first 400 kWhr and 6.574 per kWhr for all useage over 400 in a month. what is the cost for 300 kWhr? 2638 What is the cost of 700? 7.57+8.77 times 400 and 6.574 times 300? 5487.77 I think. I need to write a ...

*February 23, 2013 by Lori*

**ALGEBRA**

A phone company charges $0.40 per long distance call plus $0.20 per minute. Find the cost of an 18-minute long distance phone call. Please explain it if you can

*October 18, 2011 by Amy*

**Algebra 1**

Which of the following equations best represents the function for the situation "an initial population (P) of 1,400 people decreasing by 5% per year (x)"? p=1,400-5x p=1,400(0.05)^x p=1,400(0.95)^x p=1,400/5x

*August 14, 2015 by Jamie Ciacico *

**math**

use : .# x 6 = minutes I did try to do it but came up with numbers like 5.732360456. Plz help P.S. Trying to help my son but can't 0.5 ='s how many hours and minutes 2.5 ='s how many hours and minutes 2.3 ='s how many hours and minutes 12.5 ='s how many hours and minutes 1.5...

*October 6, 2012 by Anonymous*

**Math (Finite)**

A calling card offers two methods of paying for a phone call. Method A charges $0.02 per minute but has a $0.6 connection fee. Method B charges $0.045 per minute but has no connection fee. Write the equations that show the total cost, y, of a call of x minutes for methods A ...

*July 7, 2015 by Stephanie*

**Math**

A telephone call costs c cents for the first 3 minutes and 12 cents for each additional minute. Write and solve an equation to find the total cost of 25 minutes call.

*September 18, 2012 by Amy*

**Math**

Research two satellite phone plans with a specific number of minutes a month. Create a linear equation to represent the monthly bill based on both the flat fee and the per minute cost. Which one is the better option? Why?

*October 18, 2016 by Abe*

**Math**

Research two satellite phone plans with a specific number of minutes a month. Create a linear equation to represent the monthly bill based on both the flat fee and the per minute cost. Which one is the better option? Why?

*October 25, 2016 by Abe*

**Last Math problem I promise **

a cellular phone company offers a contract for which the cost C, in dollars of t minutes of telephoning is given c=0.25(t-300)+65.95 where it is assumed that t >== 300 minutes what times will keep costs between 106.20 and 139.20? I am already lost at word problems... please...

*November 5, 2009 by Anna*

**Math**

Carlos has the slow to go hiccups. When they started, he hiccuped after 1 minute had elpased, then again after 2 minutes, again after 4 minutes, next after 8 minutes, and so on. How many total hiccups did he hiccup in the month of April if they began 12 midnight, april 1st?

*April 8, 2008 by Peter*

**Math**

Draw a graph showing plan A) $60 for unlimited, plan B) is $40 for 100 minutes and $.20 per minute after.

*June 24, 2016 by Tina*

**Math**

Solve the problem. Estimate to check your solution is reasonable. 1. During a 1 hour phone in talk show eight callers made calls hat took 3 1/4 minutes each. a) How many minutes were used by the eight callers? b) what fraction of the hour was used by callers? c) how many ...

*October 31, 2012 by Cherie*

**math**

Ms.Johnson gives twice as much daily homework as Mr. Beach. Mr.Beach gives out 10 minutes less than Mrs.Rodriguez. if Mrs.Rodriguez gives 35 minutes of homework,what is the total amount of homework given by the three teachers? ---- So do you just half it so,Mr.Beach gives 5,...

*November 24, 2014 by Destinee *

**AP math 11 grade**

the charges for a phone call are $.52 for first min. and $.35 for each additional min. A)graph this step function for 6 minutes.Let x represent time, and f(x) the charge B) for the domain 0<x<=6, what is the range? C)is the relation formed by interchanging x and f(x) ...

*November 21, 2010 by sal*

**math**

If 60 seconds are in a minute, 60 minutes in an hour, and 24 hours in a day, then 86,400 seconds are in a day. What type of reasoning is this? inductive deductive

*November 10, 2011 by Anonymous*

**algebra**

a parking meter gives 30 minutes for each quarter and 6 minutes for each nickel. the equation 30x+6y=60 describes the number of quarters x and nickels y that you need to park for 60 minutes what does the x-intercept represent?

*December 12, 2012 by hannah*

**Quick ?**

I doing a sample lesson plan for my english class. I want to show a movie that realtes to the book that were reading and the movie is 106 minutes. I teach each class for 50 minutes a day. How many days would it take to finish the movie and how long is 106 minutes?

*September 27, 2010 by Madison*

**Math - Statistics**

Suppose that the mean number of customers who arrive at the check-out counters each minute is 4. Create a Poisson Distribution with u (lamda) = 4 for x = 0 to 20. Compare your results to the histogram. 20 random numbers are generated with a Poisson distribution for u (lamda...

*December 6, 2007 by J*

**arithmetic**

The minute hand on a clock is 49mm long. What area does it pass over in 30 minutes.

*October 23, 2014 by Vanetta*

**calculus**

Newton’s law of cooling states that the rate of cooling of an object is proportional to the temperature difference between the object and its surroundings. So the rate of cooling for a bottle of lemonade at a room temperature of 75°F which is placed into a refrigerator with...

*July 16, 2015 by Anonymous*

**Algebra**

A long-distance call using DEC costs 20 cents for the first minute and 16 cents for each additional minute. The same call, placed on LCS, costs 19 cents for the first minute and 18 cents for each additional minute. For what length of phone calls is DEC less expensive? Here's ...

*January 24, 2009 by Gemma*

**english**

I don't know if my experience would be considered good or bad, but it really taught me a lesson. A few years ago, I was working a bank, and they had a representive from a cell phone company come and talk to everyone about getting a cell phone. I did not have a cell phone at ...

*August 10, 2011 by Anonymous*

**math**

Part 1: Using the Library, web resources, and/or other materials, find a record-breaking temperature (in degrees Celsius) for a town or city in a country other than the United States. Include the name of the town and country along with the temperature, and what record was ...

*November 2, 2009 by Samantha*

**AIU**

Part 1: Using the Library, web resources, and/or other materials, find a record-breaking temperature (in degrees Celsius) for a town or city in a country other than the United States. Include the name of the town and country along with the temperature, and what record was ...

*January 3, 2010 by Feguens Mileon*

**Algebra**

which of following best define the two quantities that are measure to find the call rate phone company? A.the quantity of price measured in dollars depends on the quantity of time measured in minutes B. the quantity measured in minutes depends on the quantity of price measured...

*September 15, 2015 by Ariel*

**math**

Jim and Joe were running together. Jim's average speed was 400 meters per minute.Jim started running four minutes before Joe. ten minutes after Joe started, he caught up with Jim. What was Joe's average speed?

*November 29, 2011 by iris*

**math**

The scatter plot shows the study times and test scores for a number of students. How long did the person who scored 81 study? A. 50 minutes B. 81 minutes C. 16 minutes D. 100 minutes helppppppp!!!!!

*October 15, 2012 by jose*

**statistics**

On average, 30-minute television sitcoms have 22 minutes of programming.If a probability distribution for minutes of programming can be approximated by a uniform distribution from 18 minutes to 26 minutes. What is the probability a sitcom will have 25 or more minutes of ...

*November 11, 2011 by Michelle*

**statistics**

On average, 30-minute television sitcoms have 22 minutes of programming.If a probability distribution for minutes of programming can be approximated by a uniform distribution from 18 minutes to 26 minutes. What is the probability a sitcom will have 25 or more minutes of ...

*November 11, 2011 by Michelle*

**statistics**

On average, 30-minute television sitcoms have 22 minutes of programming.If a probability distribution for minutes of programming can be approximated by a uniform distribution from 18 minutes to 26 minutes. What is the probability a sitcom will have 25 or more minutes of ...

*November 11, 2011 by Michelle*

**math**

1. Jina purchased a prepaid phone card for $15. Long distance calls cost 11 cents a minute using this card. Jina used her card only once to make a long distance call. If the remaining credit on her card is $11.04 , how many minutes did her call last? I got 3.96 minutes is that...

*October 1, 2009 by dan*

**math**

4. Jenny swam 50 meters in 25 seconds. Which rate below is equivalent to Jenny's rate? (1 point) 1,200 meters in 8 minutes, 20 seconds 200 meters in 2 minutes 400 meters in 3 minutes, 20 seconds 800 meters in 4 minutes

*March 10, 2013 by Bally*

**Stats**

The Internal Revenue Service (IRS) provides a toll-free help line for taxpayers to call in and get answers to questions as they prepare their tax returns. In recent years, the IRS has been inundated with taxpayer calls and has redesigned its phone service as well as posted ...

*December 7, 2014 by Avery*

**Math**

One calling plan offers long distance calls for .03 per minute. Another plan costs $2.00 per month but offers long distance service for 0.01 per minute. Write and solve an equation to find the number of long distance minuets for which the two plans would cost the same.

*November 6, 2012 by Bryan*

**math**

625 feet and decends at a rate of 300 feet per minute. 400 feet and decends at a rate of 150 feet per minute.after how many minutes will the plane be at the same altitude

*December 8, 2016 by jasai*

**math**

a) The sales representative here tells you they also have two floor plans available, but they only have 54 homes available. Write an equation that illustrates the situation. Use x and y to denote floor plan #1 and floor plan #2 respectively. X+Y=54 or Y=(54-x)with the ...

*May 16, 2011 by sarah*

**Math--4 practice questions?**

1. t + 27 = 21 t = –6 t = 47 t = 6 t = –47 2. 24 = m – 32 m = –8 m = 56 m = 768 m = –56 3. Tamara has eaten 1,400 calories for breakfast and lunch. She has 800 more calories, c, that she can eat for dinner. Write and solve an equation to find Tamara’s daily caloric...

*October 2, 2014 by anonymous*

**ALGEBRA**

A telephone company has a choice of two plans. Plan A - $30 per month and $.05 per phone call and Plan B - $20 per month and $.10 per phone call. Which is the best plan for you? I need to form two equations with the above, please help

*April 22, 2012 by ODSSEY*

**accounting**

initial investment in the company of $26,200 cash. Here are the assets and liabilities for the month of June, its first month of operation. Cash $4,600.00 Accounts receivable $4,000.00 Revenue $7,000.00 Supplies $2,400.00 Advertising expense $400.00 Equipment $29,000.00 Notes ...

*September 3, 2010 by Anonymous*

**math**

Jim can fill a pool carrying buckets of water in 30 minutes. Sue can do the same job in 45 minutes. Tony can do the same job in 1.5 hours. How quickly can all three fill the pool together? A.12 minutes B.15 minutes C.21 minutes D.23 minutes E.28 minutes I got 53 minutes, but ...

*July 28, 2014 by Johnny *

**math question **

Don't know how to do this problem. Drew lifts weights for 15 minutes a day and run on the treadmill for 30 minute. Use the distributive property to find the minutes the total minutes that drew exercises for 7 days

*February 21, 2012 by Khalief *

**Math**

1. t + 27 = 21 t = –6 t = 47 t = 6 t = –47 2. 24 = m – 32 m = –8 m = 56 m = 768 m = –56 3. Tamara has eaten 1,400 calories for breakfast and lunch. She has 800 more calories, c, that she can eat for dinner. Write and solve an equation to find Tamara’s daily caloric...

*October 2, 2014 by Anonymous*

**math**

Mike can run the mile in 6 minutes, and Dan Can run the mile in 9 minutes. If mike gives Dan a head start of 1 minute, how far from the start will mike pass Dan? How long does it take?

*September 17, 2008 by kelli*

**Algebra**

A long-distance telephone call cost $.20 for the first 10 minutes plus $.10 for each additional minute. How much should you expect to pay for a call that was 26,457 seconds?

*September 26, 2016 by Muffie*

**Math**

Q. Sidney flew in an airplane five times during her vacation. The flights overaged 2 hours 28 minutes long. The lengths of her first four flights were 2 hours 10 minutes,3 hours 20 minutes,1 hour 15 minutes,and 2 hours 40 minutes. What was the length of her last flight. A. Do ...

*January 12, 2015 by Destinee*

**Math(Equation Writing)**

Can you please help me write out the equation for these? (not solve) 1. The number of trees planted by the Alpine Nursery in April was three more than twice the number of trees planted by the nursery in March. If 73 trees were planted in April, how many trees did the nursery ...

*August 24, 2011 by Bryce*

**algebra (inequalities)**

your club is in charge of making pins that students can buy to show their school spirit for the upcoming football game. you have made 225 pins so far, and you only have 120 minutes left to make the rest of the pins. you need to make at least 400 pins. a. write an inequality ...

*January 9, 2011 by Bri*

**math**

don't know where to start or end! charges $20 for a phone and $30/month for its economy plan. The equation C =30t + 20 describes the total cost, C of operating a media service phone for t months. The total cost for 10 months of service is $_______.? If a customer has only 80 ...

*September 27, 2010 by jean*

**Pre-Calc/Trigonometry**

You place a cup of 205oF coffee on a table in a room that is 72oF, and 10 minutes later, it is 195oF. Approximately how long will it be before the coffee is 180oF? Use Newton's law of cooling: 1 hour 25 minutes 15 minutes 45 minutes

*December 30, 2014 by Anonymous*

**Math**

a long distance phone company charges $3 for a phone call plus $0.75 for each minute of the call. What fuction does this situation give rise to? Find the formula and make a table for this function.

*November 17, 2010 by lt*

**Math**

A international phone call cost a fixed amount for the first minute and a certain rate per each additional minute. If a 7 minute phone call cost $10 and a $4 call cost &6.40, find the fixed charge and the rate per each additional minute.

*October 21, 2012 by Jamese*

**programming**

A local recording studion rents its facilities for $200 per hour. Management charges only for the number of minutes used. Create a project in which the input is the name of the group and the number of minutes it used the studio. Your program calculates the appropriate charges...

*September 22, 2014 by Kesha*

**Math**

A phone company offers two monthly plans. Plan A costs $11 plus an additional $0.18 for each minute of calls. Plan B costs $18 plus an additional $0.13 for each minute of calls. For what amount of calling for the two plans cost the same? What is the cost when the two plans ...

*December 6, 2015 by Macy *

**Math**

The mean time to complete a certain stat quiz is 25 minutes, with a standard deviation of 5 minutes. Find the probability of a student taking. 1.) less than 15 minutes. 2.) Between 15 and 25 minutes. 3.)more than 25 minutes.

*April 14, 2013 by John*

**calculus**

an airplane flying due east at 400 km/h pasess over an airport 12 minutes before a second plane flying south 30 degrees west at 500 km/h.if the airplanes are at the same altitude how fast will they by seprating when the seccong pane is over the airport.?When will they be the ...

*March 17, 2011 by tara*

**algebra**

the first of two films lasted 9 minutes less than twice as long as the second. the combined length of the two films plus a 5-minute break between them was 260 minutes. how long was the first film?

*August 16, 2012 by nickky*

**Math **

Jim starts with a $2000 balance on his credit card. During the first month he charges $300, and during the second month he charges $500. The credit card has finance charges of 23% APR. The first month Jim makes a $200 payment and the second month Jim makes a $400 payment. What...

*November 5, 2015 by Caitlyn *

**math**

A phone compant uses the expression 1.25 + 0.10m to calculate the cost of a phone call that lasts m minutes. What is the cost of a call that last 20 minutes?

*March 7, 2011 by Jay*

**Math**

The attendance at a baseball game was 400 people. Student Ticket cost $2 and adult tickets cost were $3. Total Ticket Sales were $1050. How many tickets of each type were sold? Ok, this is what I did: 2x+400=1050 -400=-400 ----------- 2x=650 x=325 3y+400=1050 -400=-400...

*September 22, 2007 by Robert*

**math 120**

A recent poll of a random sample of 400 students at a public 4-year college showed the average (mean) amount of time spent using email was 49 minutes per day with a standard deviation of 44 minutes. a. find a 95% confidence interval fot the population mean

*December 11, 2014 by Anonymous*

**Math**

Open Ended Nick is starting college in the fall. She has purchased a Star Phone card for $30.00for long didtance calls. The calls cost 10 cents per minute nation wide during the daytime, 6 a.m - 6 p.m and 5 cents per minute nationwide at night, 6 p.m-6a.m. Every day Nick ...

*March 3, 2008 by Mack*

** Calculusss ( pleassee someboddy heelp )**

an airplane flying due east at 400 km/h pasess over an airport 12 minutes before a second plane flying south 30 degrees west at 500 km/h.if the airplanes are at the same altitude how fast will they by seprating when the seccong plane is over the airport.?When will they be the...

*March 18, 2011 by Alisha*

**Math**

Natalie performs a chemistry experiment where she records the temperature of an ongoing reaction. The solution is 93.5º C after 3 minutes; 90º C after 5 minutes, 84.8 C after 9 minutes; 70.2º C after 18 minute; 54.4º C after 30 minutes; 42.5ºC after 37 minutes; and 24.9...

*May 1, 2013 by Brittany*

**algebra 1**

Natalie performs a chemistry experiment where she records the temperature of an ongoing reaction. The solution is 93.5º C after 3 minutes; 90º C after 5 minutes, 84.8 C after 9 minutes; 70.2º C after 18 minute; 54.4º C after 30 minutes; 42.5ºC after 37 minutes; and 24.9...

*May 1, 2013 by Brittany*

**Math**

Beth got a job painting dorm rooms at her college. At top speed, she could paint 5 identical rooms during one 6-hour shift. How long did she take to paint each room? A. 50 minutes B. 1 hour and 10 minutes C. 1 hour and 12 minutes D. 1 hour and 15 minutes E. 1 hour and 20 minutes

*February 3, 2014 by Anonymous*

**MATH I WANT TO PLAY**

HOW MANY HOURS ARE IN 5.400 MINUTES

*March 18, 2011 by Americal*

**Math**

Bill can mow his mothers lawn in 6 minutes. His brother Jim can mow it in 9 minutes. How long will it take them to do it together, if each has his own lawnmower? (record answer in minutes rounded to one decimal place. For example 14.2835 minutes, record 14.3).

*August 27, 2009 by tiffany*

**statistics**

Waiting times at a doctor office are normally distributed with a mean of 35 minutes, and a standard deviation of 10 minutes. What is the chance a patient would have to wait over 50 minutes?

*November 5, 2014 by Cecy*

**math**

Frank's cell phone package costs $20 per month and an additional $0.05 per text. Josie pays $15 per month and $0.10 per minute. Determine the linear system that could be used to find out when their monthly bills would be the same.

*July 28, 2012 by David*

**chemistry**

A slab of plate glass containing dissolved helium is placed in a vacuum furnace at a temperature of 400 C to remove the helium from the glass. The concentration of helium is constant throughout the glass before vacuum heat treatment. After 10 minutes in vacuum at 400 C, at ...

*December 21, 2013 by Dick*

**math**

on the fastest speedways, some drivers reach average speeds of 2 miles per minute. write the formula that gives the number of miles M that such driver would travel in x minutes. How would this driver travel in 37 minutes

*April 11, 2011 by Joe*

**algebra**

A car travels at a constant rate of 45 mph on a highway iffinitely (assume it never has to stop for gas) How far has the car traveled after x minutes? 45 miles/hr * (1/60 hr/minute) * x minutes = 3/4 x miles (if x is in minutes)

*June 26, 2007 by Anonymous*

**Math**

Your long distance telephone providers offers two plans.Plan A has monthly fee of $15 and $0.25 per minute. Plan B has a monthly fee of $20 and $0.05 per minute.Write and solve an equation to find the number of minuts that you must talk to have the same cost for each of the plans

*September 18, 2016 by Lara*

**math**

On the fastest speedways some drivers reach average speeds of 4 miles per minute. Write a formula that gives the number of miles m that such a driver would travel in x minutes. How far would this driver travel in 36 minutes?

*February 17, 2011 by Anonymous*

**Math **

Jonathan burns 15 calories per minute he runs on the treadmill Jonathan ran 5 minutes on Monday 12 minutes on Tuesday and 8 minutes on Wednesday which integer represents the amount of calories burned during his workouts

*December 10, 2015 by Ryan *

**algebra**

Which of the following is the most appropriate unit to describe the time you can drive a car based on the amount of gas? Minutes per gallon, because the independent quantity is the gallons Minutes per gallon, because the independent quantity is the minutes Gallons per minute, ...

*September 3, 2015 by oscar*

**Algebra 2**

"your long distance service provider charges you $.06 PER minute plus a monthly access fee of 4.95 for referring a friend,you receive $10 service credit this month.if your long-distance bill is 7.85,how many long-distance minute did you use"

*August 28, 2013 by junior*

**Math**

My daughter's homework and I cant figure it out for the life of me. In America the average person spends about 9.5 billion minutes on the phone a business day. In 1997 the estimated population of Americans the ages of 19-64 is about 163,000,000. About how many minutes does the...

*September 27, 2006 by SherylA*

**math**

Jim can fill a pool carrying buckets of water in 30 minutes. Sue can do the same job in 45 minutes. Tony can do the same job in 1 ½ hours. How quickly can all three fill the pool together? A. 12 minutes B. 15 minutes C. 21 minutes D. 23 minutes E. 28 minutes

*March 19, 2009 by sharon*

**algebra**

media service charges $20 for a phone and $30/month for its economy plan. The equation C =30t + 20 decribes the total cost, C of operating a media service phone for t months. The total cost for two months of srvice is $_______.? If a customer has oly 90 avilable, how many ...

*July 6, 2010 by Jim*

**math**

On Friday morning two clocks are correctly set at 6 a.m. One clock gains 1 minute every 2 hours. The other clock loses 1 minute every hour. When the real time is 10 p.m. that evening, the fast clock is ______ minutes ahead of the slow clock. Please explain the answer Thanks I ...

*January 5, 2014 by nisrin*

**Chemistry**

I've tried this problem over and over again, but im not getting the right answers! This is the problem....... Dinitrogen pentoxide, N2O5, decomposes when heated in carbon tetrachloride solvent. N2O5 ¨ 2 NO2 + 1/2 O2(g) If the rate constant for the decomposition of N2O5 is 6...

*November 10, 2009 by Dena*

**math**

two phone companies offer discount rates to students. the first company wants $9.95 per month plus $.10 per minute for long distance calls. The second company wants $12.95 per month plus $.08 per minute for long distance calls. What is the equation?

*September 21, 2014 by susie*

**stat**

An oil change company advertises that they can change the oil in your car in 15 minutes. Based on the data collected below, what is the probability that oil change will take more than 15 minutes? Class Interval Frequency 6 to 10 minutes 3 11 to 15 minutes 8 16 to 20 minutes 6 ...

*August 26, 2013 by latasha*