Tutors Answer Your Questions about Miscellaneous Word Problems (FREE)
Question 1154860: Raj has a party length submarine sand which of 59 inches. He want to cut into three pieces so that the large piece is 5 inches longer than the middle piece and the shortest piece is 9 inches shorter than the middle piece. How long should each piece of sandwich be?
Click here to see answer by josgarithmetic(39613)  |
Question 1154861: Dr. Don offers tutoring service for college students. He charges $40 as a fixed rate for the first hour plus $20 for each additional hour. What is the minimum and maximum number of hours of tutoring a student can get if he or she can afford to spend between $140 and $200? ( express answer as an inequality)
Click here to see answer by mananth(16946)  |
Question 1154861: Dr. Don offers tutoring service for college students. He charges $40 as a fixed rate for the first hour plus $20 for each additional hour. What is the minimum and maximum number of hours of tutoring a student can get if he or she can afford to spend between $140 and $200? ( express answer as an inequality)
Click here to see answer by josgarithmetic(39613) |
Question 1154861: Dr. Don offers tutoring service for college students. He charges $40 as a fixed rate for the first hour plus $20 for each additional hour. What is the minimum and maximum number of hours of tutoring a student can get if he or she can afford to spend between $140 and $200? ( express answer as an inequality)
Click here to see answer by MathTherapy(10549)  |
Question 1154864: If two construction teams work together, they can finish a road in 15 days. The rate of work of the first team is 4/5 of the rate of the second team.
How many days each team needs to complete this job alone?
Click here to see answer by VFBundy(438)  |
Question 1154958: In a school with 92 students, 47 live with their biological father and 68 like with
their biological mother. How many children live with both Biological parents, if there are
8 adopted students in the group?
b) How many students live with only one biological parent?
c) How many students have at least one biological parent in the home?
Click here to see answer by ikleyn(52748)  |
Question 1154963: ron's dad says that ron must not walk on the lawn. the lawn is a rectangle with sides of lengths 10 m and 16 m. when his dad is looking, ron walks from his house to the gate by walking along two edges of the lawn. when his dad is not looking, ron walks diagonally across the lawn. how much further does ron have to walk to get from the house to the gate when his dad is looking? give your answer to a suitable level of accuracy.
Click here to see answer by greenestamps(13195)  |
Question 1155105: The amount of water used to take a shower is directly proportional to the amount of time that the shower is in use. A shower lasting 20 min requires 8 gal of water. find the amount of water used in a shower lasting 5 min.
Click here to see answer by ikleyn(52748) |
Question 1155164: A particle travelling in a straight line passes a fixed point O with a velocity of 1 m/s.Its acceleration a m/s^2 is given by a=12t^2 where t seconds is the time after passing O.Calculate
(a)the acceleration of the particle as it passes O.
(b)Its distance from O when t=1 and when t=3
Click here to see answer by mananth(16946) |
Question 1155201: A rectangular prism has a base who’s length is twice it’s width. The height of the prism is 6in .Find the volume of the prism of the surface area is 208 cm.draw a picture and label the dimensions given to help set up your problem .
Click here to see answer by ewatrrr(24785)  |
Question 1155206: The old jeweler can repair 5 rings in 4 hours. His apprentice can repair 3 rings in 6 hour. The apprentice began to work 3 hours before the old jeweler began to help. How long would it take them together to finish repairing a total of 26 rings??
Please show steps thanks!
Click here to see answer by ankor@dixie-net.com(22740)  |
Question 1155186: Below is a floor plan for a combined living and dining area. The owners of the home have recently adopted a puppy, so the living room needs to be re-carpeted (bad puppy).
The total area for both rooms is expressed as: 2x^2+x+3 square meters. The tile in the dining room was already replaced, so we know the area of that room is: 2x^2-2x square meters.
Known area of dining room: 2x^2-2x square meters.
Area of combined dining and living room: 2x^2+x+3 square meters.
Find an expression for the area that needs to be re-carpeted.
After solving, choose the expressions that represent the length and width of the dining room, which can be found by completely factoring its area.
2x meters
(x-1) meters
(x+1) meters
x meters
(2x-2) meters
2 meters
Click here to see answer by MathLover1(20849)  |
Question 1155278: The velocity time graph shows the velocities at differen times of a particle moving in a straight line. Calculate
(A)the acceleration during the first 10 seconds
(B)the distance traveled in the first 50 seconds
(C)the average velocity during the first 50 seconds
(D)the total distance traveled in the 80 seconds.
(E)the distance from the starting point after 80 seconds
Click here to see answer by ikleyn(52748) |
Question 1155288: Hi
A company purchased drinking water from a supplier. 400 litres can last 20 employees 7 days. Assuming that all the employees drink at the same rate , how many days can 1200 litres last 40 employees.
Thanks
Click here to see answer by ikleyn(52748) |
Question 1155293: For a fixed number of miles, the gas mileage of a car (miles per gallon) varies inversely with the number of gallons. Zach’s truck averaged 24 miles per gallon and used 750 gallons of gas in one year. If the next year, to drive the same number of miles, Zach drove a compact car averaging 30 miles per gallon, how many gallons of gas would be used?
Click here to see answer by mananth(16946) |
Question 1155289: Mrs. Gitterman gave a quiz to each of her three classes. Each of her classes has 12 students. When she found the mean for each class, she was surprised to see that the mean for each class was 80%. However looking at the individual scores, she found that the distribution of scores in each class looked very different. Write three sample sets of data that have different distributions of quiz scores but have class means of 80%
Click here to see answer by Theo(13342)  |
Question 1155372: A trip from Oregon to California includes 280 miles within Oregon where the speed limit is 70 miles per hour and 240 miles within California where the speed limit is 60 miles per hour (mph). It should be obvious that the trip will take 8 hours if you drive at the posted speed limits. You can shorten the trip by speeding. You plan to exceed the speed limit in each state by the same percentage, P, of its posted speed limit. (Example: If P=10, you'd drive 77 mph in Oregon and 66 mph in California). Find P, rounded to the nearest tenth of a percent, such that the trip is only 7 hours and 12 minutes.
Click here to see answer by josgarithmetic(39613) |
Question 1155460: Hi, can you help me solve this question?
I am doing it with the calculator these are the steps that I am doing
STAT, TInterval, Input: Stats, X: 31, Sx:15, n:14, C-Level:.95
This is what I got (22.339, 39.661)
but this is incorrect and I don't know what I am doing wrong.
In a survey, 14 people were asked how much they spent on their child's last birthday gift. The results were roughly bell-shaped with a mean of $31 and standard deviation of $15. Estimate how much a typical parent would spend on their child's birthday gift (use a 95% confidence level).
Give your answers to one decimal place. Provide the point estimate and margin or error.
Thank you
Click here to see answer by Boreal(15235)  |
Question 1155558: The Royal Fruit Company produces two types of fruit drinks. The first type is 20% pure fruit juice, and the second type is 45% pure fruit juice. The company is attempting to produce a fruit drink that contains
40% pure fruit juice. How many pints of each of the two existing types of drink must be used to make
60 pints of a mixture that is 40% pure fruit juice?
Click here to see answer by josgarithmetic(39613) |
Question 1155575: On snowy days, Tyler's school has a 2 hour delayed start time (120 minutes). The function s gives Tyler's distance s(t) in miles. A new function, n, is defined as n(t)=d(t+60). What does this mean in terms of Tyler's distance from school?
Click here to see answer by ikleyn(52748) |
Question 1155729: A Chinese restaurant has a large goldfish pond. Suppose that an inlet pipe and a hose together can fill the pond in 6 hours. The inlet pipe alone can complete the job in one hour less time than the hose alone. Find the time that the hose can complete the job alone and the time that the inlet pipe can complete the job alone.
Click here to see answer by josmiceli(19441)  |
Question 1155749: A total of 249 tickets were sold for the school play. They were either adult tickets or student tickets. The number of student tickets sold was two times the number of adult tickets sold. How many adult tickets were sold?
Click here to see answer by Boreal(15235) |
Question 1155768: The U.S. Weather Bureau has a station on Mauna Loa in Hawaii that has measured carbon dioxide levels since 1959. At that time, there were 323 parts per million of carbon dioxide in the atmosphere. In 2005, the figure was 394 parts per million. Find the increase in carbon dioxide levels and the percent of increase.
Increase carbon dioxide levels: _____ parts per million
Percent increase: _____ %
Round your answers to the nearest tenth of a percent as needed.
Click here to see answer by josgarithmetic(39613) |
Question 1155517: The weekly profit(in dollars) of a company making and selling x virtual pets each week is given by P(x)= -x^2+980x-3000. What is the maximum profit, and how many virtual pets should be made and sold each week to maximize profit?
Click here to see answer by ramkikk66(644) |
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