Questions on Word Problems: Miscellaneous Word Problems answered by real tutors!

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Question 286826: The monthly cost of a certain long distance service is given by the linear function y=0.04x+3.95 where y is in dollars and x is the amount of time in minutes called in a month. Find and interpret the slope and y intercept of the linear equation.
Click here to see answer by richwmiller(9144)

Question 286852: joan and maria earn money by babysitting. if joan earns twice as much as maria, and the two girls earn a total of $40,how much does maria earn?
Click here to see answer by richwmiller(9144)

Question 286864: Use a(t) = -32 ft/sec2 as the acceleration due to gravity. (Neglect air resistance.)
A ball is thrown vertically upward from a height of 5 feet with an initial velocity of 46 feet per second. How high will the ball go? (Round your answer to two decimal places.)

Click here to see answer by stanbon(57967)

Question 286920: (-3)(-6)+(4)(-2)=
i am suppose to multiply how do i do this
Click here to see answer by richwmiller(9144)

Question 286940: write the indicated expression.
A slice of pie has 200 calories and a scoop of ice cream has 180 calories. if jhon has x pieces of pie with 3 scoops of ice cream each, write an expression that represents the number of calories he will consume.
so my answer is 200x+180(3) am i correct
Click here to see answer by richwmiller(9144)

Question 286949: write an equation to represent the problem.
the difference of twice a number and 3 is 13
Click here to see answer by richwmiller(9144)

Question 286938: express the statement as an algebraic expression.
Five kilometers less than 1/2 the distance, d.
hi so i think the answer is (1/2d-5) am i correct.

Click here to see answer by richwmiller(9144)

Question 287012: Shomkia was helping her family pick oranges in their grove.
She took some oranges home to share with three friends.
She gave 3 more than half to Jennifer.
Angela got half of the remainder and 3 more.
She gave Jose half of the remainder plus 3.
When she got home, she only had 10 oranges left.
How many did she have when she left the grove?
I'm not sure how to figure this out. Can you help, so I can understand a similar question?
Click here to see answer by richwmiller(9144)

Question 287022: The cost of 7 small boxes and 15 large boxes is $26.70. The cost of 10 small boxes and 3 large boxes is $10.50. Find the cost of each size box.
Click here to see answer by richwmiller(9144)

Question 286912: Use a(t) = -32 ft/sec2 as the acceleration due to gravity. (Neglect air resistance.)
A balloon, rising vertically with a velocity of 16 feet per second, releases a sandbag at the instant when the balloon is 48 feet above the ground.
(a) How many seconds after its release will the bag strike the ground? (Round your answer to two decimal places.)
(b) At what velocity will it strike the ground? (Round your answer to three decimal places.)

Click here to see answer by dabanfield(803)

Question 287083: the sum of the digits of a two-digit numeral is 9. The unit's digit is twice the tens' digit. Find the numeral.
Click here to see answer by stanbon(57967)

Question 287084: Find two numbers whose difference is 18 and 1/4 of whose sum is 9.
Click here to see answer by stanbon(57967)

Question 287084: Find two numbers whose difference is 18 and 1/4 of whose sum is 9.
Click here to see answer by Alan3354(31518)

Question 287105: Find the length and width of a rectangle if the width is 8 inches shorter than the length and the perimeter is 108 inches?
Click here to see answer by nyc_function(2733)

Question 287192: At the water park, Bonnie and Wendy decided to race each other down a water slide. Wendy won by 0.25 seconds. If Bonnie’s time was exactly 7.80 seconds, how long did it take for Wendy to go down the slide?
(A) 7.80 seconds (B) 8.05 seconds (C) 7.55 seconds (D) 7.15 seconds (E) 7.50 seconds
Click here to see answer by richwmiller(9144)

Question 287205: suppose that the height of an object shot up is given by h=544t - 16t^2. h=feet, t=seconds. What is the maximum height and the time at which the object hits the ground.
Click here to see answer by richwmiller(9144)

Question 287212: suppose that the revenue generated by selling x units of a certain commodity is given by R= -1/5x^2+400x. Assume that R is in dollars. What is the maximum revenue possible in this situation?
Thank you
Click here to see answer by richwmiller(9144)

Question 287215: Suppose that the function of p= -1/4x+20 relates the selling price p of an item to the number of units x that are sold. Assume tha to is in dollars. For which value of x will the corresponding revenue be a maximum? What is this maximum revenue and what is the unit price?
Click here to see answer by stanbon(57967)

Question 287227: specify all x & y- intercepts of this equation:
y=(x-1)^2+4
Click here to see answer by stanbon(57967)

Question 287344: Use a(t) = -32 ft/sec^2 as the acceleration due to gravity. (Neglect air resistance.)
A balloon, rising vertically with a velocity of 16 feet per second, releases a sandbag at the instant when the balloon is 48 feet above the ground.
a) How many seconds after its release will the bag strike the ground?
b) At what velocity will it strike the ground?

Click here to see answer by Alan3354(31518)

Question 287363: On the moon, the acceleration due to gravity is -1.6 meters per second per second. A stone is dropped from a cliff on the moon and hits the surface of the moon 20 seconds later.
a)How far did it fall?

b)What was its velocity at impact?
Click here to see answer by Alan3354(31518)

Question 287529: Use a(t) = -32 ft/sec^2 as the acceleration due to gravity. (Neglect air resistance.)
A balloon, rising vertically with a velocity of 16 feet per second, releases a sandbag at the instant when the balloon is 48 feet above the ground.
a) How many seconds after its release will the bag strike the ground?
b) At what velocity will it strike the ground?

Click here to see answer by stanbon(57967)

Question 287586: Juan and Mary play a two-person game in which the winner gains 2 points and the loser loses 1 point. If Juan won exactly 3 games and Mary had a final score of 5 points, how many games did they play?
(A) 7 (B) 8 (C) 4 (D) 5 (E) 11
Click here to see answer by mcleo(3)

Question 287569: Sharing cost. The members of a flying club plan to share equally the cost of a $200,000 airplane. The members want to find five more people to join the club so that the cost per person will decrease by $2000. How many members are currently in the club?

Click here to see answer by mcleo(3)

Question 287621: A jar contains 7 amoeba. The number of amoeba doubles every minute and it takes 40 minutes to ll the jar. How long (in minutes) does it take to ll 1/2 the jar?
(a) 20
(b) 35
(c) It can't be determined from the given information
(d) 40 - (139/7)
(e) None of the above
Click here to see answer by Alan3354(31518)

Question 287622: If each nerf has at least two squiggles and each squiggle is on at least two nerfs then if there is at least one squiggle, the smallest number of nerfs possible is:
(a) 1 (b) 2 (c) 3 (d) 4 (e) None of the above
Click here to see answer by richwmiller(9144)

Question 287644: some number is twelve more than another number. the larger number is four less than three times the smaller number. find the numbers.
Click here to see answer by texttutoring(324)

Question 287643: if your friend works as a waitress and her income consists of an hourly wage plus tips and on wednesday she earned $25 in tips over a 5 hour period. On friday she earned $30.76 in tips over a 3 hour period. how much is her wage if she earned the same amount of money on both days?
Click here to see answer by richwmiller(9144)

Question 287568: Foul ball. Suppose Charlie O’Brian of the Braves hits a baseball straight upward at 150 ft/sec from a height of 5 ft.
Use the formula to determine how long it takes the ball to return to the earth.

Click here to see answer by ankor@dixie-net.com(15746)

Question 287713: Hockey teams receive 2 points when they win and 1 point when they tie. One season, a team won a championship with 63 points. They won 9 more games than they tied. how many wins and how many ties did the team have?
Click here to see answer by tinkerbell146(2)

Question 287520: On the moon, the acceleration due to gravity is -1.6 meters per second per second. A stone is dropped from a cliff on the moon and hits the surface of the moon 20 seconds later.
a)How far did it fall?
b)What was its velocity at impact?

Click here to see answer by Edwin McCravy(8999)

Question 287734: At the instant the traffic light turns green, a car that has been waiting at an intersection starts with a constant acceleration of 6 feet per second per second. At the same instant, a truck traveling with a constant velocity of 30 feet per second passes the car.
(a) How far beyond its starting point will the car pass the truck?

(b) How fast will the car be traveling when it passes the truck?
Click here to see answer by josmiceli(9817)

Question 287733: Find the indefinite integral and check the result by differentiation. (Use C for the constant of integration.)

Click here to see answer by Edwin McCravy(8999)

Question 287567: Diagonal brace. The width of a rectangular gate is 2 meters (m) larger than its height. The diagonal brace measures sqrt of 6 meters.
Length x + 2
Height x
Diagonal Brace sqrt of 6.

Click here to see answer by dabanfield(803)

Question 287587: Each of the 12 edges of a cube is coloured either red or green. Every face of the cube has at least one red edge. What is the smallest number of red edges?
(A) 2 (B) 3 (C) 4 (D) 5 (E) 6
Click here to see answer by scott8148(6628)

Question 287809: Open-top box. Thomas is going to make an open-top box by cutting equal squares from the four corners of an 11 inch by 14 inch sheet of cardboard and folding up the sides. If the area of the base is to be 80 square inches, then what size square should be cut from each corner?
Click here to see answer by solver91311(17077)

Question 287810: Golden Rectangle. Greeks to get shapes that are pleasing to the eye in art and architecture was the Golden Rectangle. If a square is removed from one end of a Golden Rectangle, the sides of the remaining rectangle are proportional to the original rectangle. So the length and width of the original rectangle satisfy L over W = W over L minus W. If the length of a Golden Rectangle is 10 meters, then what is its width?
Golden painting. An artist wants her painting to be in the shape of a golden rectangle. If the length of the painting is 36 inches, then what should be the width?
Click here to see answer by richwmiller(9144)

Question 287831: It rained on exactly 11 days during Jane’s holiday trip. On each rainy day it rained either in the morning or in the afternoon but not both. There are
exactly 13 afternoons when it did not rain and exactly 16 mornings when it did not rain. How many days did the trip last?
Click here to see answer by Theo(3504)

Question 287834: A truck’s wheel has a diameter of 1m and cycles 26 times. How far does the truck move to the nearest meter?
a) 35m
b) 82m
c) 89cm
d) 109m
e) 111m

Click here to see answer by Theo(3504)

Question 287855: Question:Memorial Hospital is planning an advertising campaign. It costs the hospital $3000 each time a television ad is aired and $2000 each time a radio ad is aired. The administrator wants to air 60 more television ads than radio ads. If the total cost of airing the ads is $580,000, then how many ads of each type will be aired?
What I have determined:

• Television Ads = $3000
• Radio Ads =$2000
• Sixty (60) more television ads than radio ads.
• Total cost is $58,000
now i need to solve, but don't know where to start or how to get going.
Click here to see answer by Grinnell(63)

Question 287854: A doctor prescribes medicine. The patient must take 7.5mL every 6 hours. If the bottle contains 67.5mL of medicine, for how long must the patient take the medicine?
a) 30 hrs. b) 36 hrs. c) 48 hrs. d) 54 hrs. e) 60 hrs.
Click here to see answer by nerdybill(7003)

Question 287849: A total of fifteen delegates from Israel, Palestine,Russia and the United States meet at a conference. Each of these countries has sent a different number of delegates (with each country sending at least one delegate). Israel and Russia have sent a combined total of six delegates. Russia and the United States have sent a combined total of seven. Once country has sent four delegates. Which one was it?
A Russia B Palestine C United States D Israel E Not enough Information
Click here to see answer by CharlesG2(828)

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