Tutors Answer Your Questions about Miscellaneous Word Problems (FREE)
Question 1038019: A snail is climbing up a 36 meter high drainpipe. Each night the snail climbs 8 meters. Every day when it rains the snail slips down the drainpipe 1 meter.
a. How many nights will it take the snail to reach the top of the drainpipe?
b. The snail descends the drainpipe at the same rate as the ascent (descends 8 meters at night and slides down 1 meter during the day). It begins its descent at night. How many nights and days will it take the snail to reach the bottom of the drainpipe?
Click here to see answer by Boreal(15235)   |
Question 1038040: The Jenkins family and the Green family each used their sprinklers last summer. The water output rate for the Jenkins family's sprinkler was
40L
per hour. The water output rate for the Green family's sprinkler was
15L
per hour. The families used their sprinklers for a combined total of
55
hours, resulting in a total water output of
1575L
. How long was each sprinkler used?
Click here to see answer by jorel555(1290) |
Question 1038040: The Jenkins family and the Green family each used their sprinklers last summer. The water output rate for the Jenkins family's sprinkler was
40L
per hour. The water output rate for the Green family's sprinkler was
15L
per hour. The families used their sprinklers for a combined total of
55
hours, resulting in a total water output of
1575L
. How long was each sprinkler used?
Click here to see answer by josgarithmetic(39617) |
Question 1038168: you purchase aquasonic gel for the ultrasound labs in the hospital. A 5 liter bottle costs $20.00. A case (12 tubes/case) of 250 milliliter tubes costs $19.50. Your department uses 15 liters per month. Which one produces a cost savings? How much would you save in a month?
Answer choices: Small tubes, $7.50, Large bottle, $7.50, Small tubes, $37.50, Large bottle, $37.50?
Click here to see answer by jorel555(1290) |
Question 1038169: Your office is moving into a new space and you have to decide if you want electric heat or natural gas. You have determined that it will take about 4000 kWh per month to heat the space with electricity and currently your electric company charges $0.075 per kWh. The natural gas provider currently charges $1.85 per therm.
The conversions you will need are 1 kWh=3413
Btu 100,000 Btu=1 Therm.
choices are: Electric, $300. Gas, $47.44. Electric, $1.78. Gas, $252.56
Click here to see answer by Theo(13342)  |
Question 1038399: : A class was surveyed to find out what snacks the students liked. The results showed that
18 students liked popcorn
4 liked popcorn and ice cream only (they thought almond were too healthy)
5 thought that cold snacks were best so the like only ice cream,
6 said ice cream made their teeth hurt so they liked only almond and popcorn,
14 liked only one kind of snack,
9 liked ice cream and almonds,
twice as many liked all 3, liked only ice cream and almond
a) how many students liked all three snacks?
b) how many students liked only almonds?
c) how many students were in the class?
Click here to see answer by addingup(3677)  |
Question 1038491: Hi
kim had 580 red and green beads.
after she gave 1/3 of the red beads, she bought another 80 green beads.
now the number of green beads was half the number of red beads remaining.
How many more red beads than green beads did she have at first.
Thanks
Click here to see answer by josgarithmetic(39617) |
Question 1038491: Hi
kim had 580 red and green beads.
after she gave 1/3 of the red beads, she bought another 80 green beads.
now the number of green beads was half the number of red beads remaining.
How many more red beads than green beads did she have at first.
Thanks
Click here to see answer by Theo(13342) |
Question 1038270: The width of Maya’s poster is 2 inches shorter than the length. The graph models the possible area (y) of Maya’s poster determined by its length (x).
Which describes what the point (2, 0) represents?
http://media.education2020.com/contentengine/frames/11af81d8-6824-11e3-bc2a-bc764e043e0c/3109-02-04-20-09-image1.png
The area is 2 if the length is 0.
The area is 0 if the length is 2.
The length is 2 if the width is 0.
The width is 0 if the length is 2.
Click here to see answer by Theo(13342) |
Question 1038578: a collection of stamps consists of 3 cent stamps, 7 cent stamps, and 12 cent stamps. the number of 3 cent stamps is five less than the number of 7 cent stamps. the number of 12 cent stamps is one half of the number of 7 cent stamps. the total value of all the stamps is $2.73. find the number of each type of stamp
Click here to see answer by jorel555(1290) |
Question 1038475: A ship is 3.6km from a lighthouse on a bearing of 215 degrees. How far west (to the nearest tenth of a kilometre) is the ship from the lighthouse?
I am so bad at these bearing questions! I really don't get what to do. Is it possible if you could link some websites about bearings? I tried to find some but I don't know which one is relevant to my question. Thank you in advance for any help!!
Click here to see answer by rothauserc(4718)  |
Question 1038639: The westbound U.S. Highway 74 truck route through North Carolina near the Tuckaseegee River has a downhill grade of 5%.†
(a) Explain what a 5% downhill grade means.
A 5% downhill grade for a segment of road means that the decrease in elevation of the road over the segment is 5% of the change in horizontal distance over the same segment. In other words, for every______?_____ horizontal feet, the road descends 5 feet, so the road has a slope of
vertical feet per horizontal foot.
Find the angle of descent for the road using the tangent function. (Round your answer to two decimal places.)
____________°
(b) Explain how you could have used the cotangent function to have found the answer to part (a).
The cotangent function would relate the horizontal change to the vertical change of the road, so we could have used the equation
cot(θ) =_______?______ instead of tan(θ) =______?_______
.
(c) What is the elevation change over 2.5 miles on a road with a 5% downhill grade?
______?______feet
Click here to see answer by solver91311(24713)  |
Question 1038683: a company produces 3 kindes of envelopes Small Meduim Large. if the number of small envelope is 180,
that of meduim is equal to number of small plus 5/6th of large,
and that of large is equal to half of the number of small plus 3/7th of meduim
then wha is the number of meduim sized envelop produced, given that the total number is 4620 .
Click here to see answer by josgarithmetic(39617) |
Question 1038752: <<>>A set of wrist watch prices are normally distributed with a mean of 76 dollars and a standard deviation of 10 dollars. What proportion of wrist watch prices are between 63 dollars and 90 dollars?<<>>
I believe this is a z-score problem, so I'd be using the equation (X-mean)/standard deviation
... I was thinking since it asks for the por potion between 63 and 90 to take the sum & divide by 2.....
[76-((63+90)/2)]/10
Thank you for your help!!
Click here to see answer by solver91311(24713) |
Question 1038752: <<>>A set of wrist watch prices are normally distributed with a mean of 76 dollars and a standard deviation of 10 dollars. What proportion of wrist watch prices are between 63 dollars and 90 dollars?<<>>
I believe this is a z-score problem, so I'd be using the equation (X-mean)/standard deviation
... I was thinking since it asks for the por potion between 63 and 90 to take the sum & divide by 2.....
[76-((63+90)/2)]/10
Thank you for your help!!
Click here to see answer by jim_thompson5910(35256) |
Question 1038772: The daily profit, y hundred dollars, for a grocery with x employees is given by: y=-x^2+10x-20
In order to reach the maximum daily profit, how many employees should be hired? Hence, what is the maximum profit?
How to find x and y? Please help, thanks.
Click here to see answer by solver91311(24713) |
Question 1038806: Hi
the area of one face of a rectangular prism is 60 square cm.the other face is 80cm square. If one edge of the prism is 10cm.
find the area of the other faces
find the capacity of the prism
the textbook solution doesn't make sense.
Thank u
Click here to see answer by solver91311(24713) |
Question 1038970: Serial numbers for a product are to be made using 3 letters followed by
3 numbers. If the letters are to be taken from the first 6 letters of the alphabet with no repeats and the numbers are taken from the digits 0−09 with no repeats, how many serial numbers can be generated?
Click here to see answer by Aldorozos(172) |
Question 1038991: A rancher has 400 feet of fencing to put around a rectangular field and then subdivide the field into 3 identical smaller rectangular plots by placing two fences parallel to one of the field's shorter sides. Find the dimensions that maximize the enclosed area. Write your answers as fractions reduced to lowest terms.
--please help me!
Click here to see answer by addingup(3677) |
Question 1038991: A rancher has 400 feet of fencing to put around a rectangular field and then subdivide the field into 3 identical smaller rectangular plots by placing two fences parallel to one of the field's shorter sides. Find the dimensions that maximize the enclosed area. Write your answers as fractions reduced to lowest terms.
--please help me!
Click here to see answer by solver91311(24713) |
Question 1039094: benjamin is building a play pen against his living room wall for his baby brother. the play pen will be bordered only on one side. benjamin wants to maximize the area for his little brother to play in, but he only has 580 cm of material to use in building it.what is the maximum area the play pen can be?
Click here to see answer by solver91311(24713) |
Question 1039177: A local diner must build a wheelchair ramp to provide handicap access to the restaurant. Building codes require that a wheelchair ramp must have a maximum rise of 1 in. for every horizontal distance of 20 in.
A) What is the maximum allowable slope for a wheelchair ramp?
B) Assuming that the ramp has a maximum rise, find a linear function H that models the height of the ramp above the ground as a function of the horizontal distance x?
C) If the space available to build a ramp is 190 in. wide, how high does the ramp reach?
Click here to see answer by Boreal(15235) |
Question 1039354: 9. what will be 15% of $700?
80
100
105
115
10. An order consists of chocolates of value $50, flowers of value $100 and $15 as handling charges. what will be the total order value after giving 10% discount on flowers ONLY
Click here to see answer by jorel555(1290) |
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