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

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Question 619125: At the start of the basketball game, the referee tosses a ball for a jump ball. The equation that models the height of the ball is
h(t) = -16t2 + 24t + 5
During what time interval is the height of the ball above 9 feet? (Round your answer to the nearest tenth of a second.)
a) .5 seconds to 2.1 seconds
b) .4 seconds to 1.9 seconds
c) .6 seconds to 1.8 seconds
d) .2 seconds to 1.3 seconds
Click here to see answer by josmiceli(9671)

Question 619142: If I am having a birthday party. I want to serve 2 people, 3 people, 6 people, or 7 people equally. How many slices will I need to cut the cake into?
Click here to see answer by richard1234(5390)

Question 619126: A softball is thrown up into the air. The ball's height in feet is modeled by the equation h(t) = -16t2 + 32t + 5.
h = height
t = time in seconds
Find the maximum height of the ball.
a) 7.6 feet
b) 13.9 feet
c) 8.3 feet
d) 12.2 feet
Click here to see answer by lwsshak3(6494)

Question 619193: A square is made up of section A and section B. Section A is 500 sq. ft. and section B is 750 sq. ft. What percent of the square is section A?
Click here to see answer by ewatrrr(10682)

Question 619362: Once my peon went to the office of courier with 4 different envelopes. The clerk in the office measured the weights in all possible pairs. The weight obtained are 59 gms, 61 gm, 62 gms, 63 gms, 64 gms and 66 gms. The weight of the heaviest envelope is:?
Click here to see answer by Theo(3459)

Question 619487: Two trains leave Chicago at the same time and in opposite directions. One is going 120MPH and one is going 130MPH. How long before they are 750 miles apart?
Answer: 6

I am not sure my equation is correct.
750/120=6
750/130= 5.7
I rounded up and came to conclusion that 6hr would be the average time. Is this correct? If not whats the equation I need to use. Thank you.
Click here to see answer by jim_thompson5910(28593)

Question 619811: The container that holds the water for the football team is 7/10 full. After pouring out 3 gallons of water, it is 1/2 full. How many gallons can the container hold?
Click here to see answer by ewatrrr(10682)

Question 619871: If two people sell 420 houses together but one sells 5 times as many as the other how many did each sell?
Click here to see answer by Alan3354(30993)

Question 619904: Supervisor: “We sign two new customers out of every seven people with whom we speak. Our goal is to sign 120 new customers. How many people will we have to speak with to meet our goal?”
Representative: “We will have to speak with __________ people.“

Click here to see answer by jim_thompson5910(28593)

Question 619903: Suppose you place a penny on the first square of a checkboard. Now suppose you double the amount and place this on the secon square. If you repeat this for the entire board, how much will be on the 64th square

Click here to see answer by Alan3354(30993)

Question 619934: on monday harold picked five donuts and six large coffees he paid $8.65
on tuesday he picked three donuts and five coffees he paid $6.38. what's the cost of one donut and the cost of one large coffee
Click here to see answer by stanbon(57323)

Question 619582: The Host gave each contestant a positive whole number and told them that the product of their whole numbers was either 15,20,24,or 28. The first contestant to determine the others number would be the winner. what was the losers number?
Click here to see answer by richard1234(5390)

Question 620226: You have a cube, you shade 1 side purple, 1 side yellow and 1 side orange. How many sides are left for you to shade a different color?

Click here to see answer by solver91311(16877)

Question 620222: I walk 7/8 mile to work and a next 9/7 miles to reach my gym class. How much miles did it take me to reach my job and my gym class write your answer in fractions.

Click here to see answer by ewatrrr(10682)

Question 620225: I add 4 11/12 lbs flower in a baking pan and 2 1/8 lbs sugar to bake a cake. We found out later that we need to add 4 1/4 lbs more flower to make our cake. How much flower and sugar we will need to make 2 cakes.

Click here to see answer by ewatrrr(10682)

Question 620405: The equation R=-0.028t+20.8 can be used to predict the world record in the 200-m dash, where R is the record in seconds and t is the number of years since 1920. In what year will the record be 18.0 seconds?
This is a confussing word problem....I was looking for kingme 18 but couldnt find any way to contact him he did a great job on the last word problem I sent in for help with...If your out there please help me again, your awesome...
Click here to see answer by nerdybill(6958)

Question 620400: The equation R=-0.028t+20.8 can be used to predict the world record in the 200-m dash, where R is the record in seconds and t is the number of years since 1920. In what year will the record be 18.0 seconds?
I dont even know where to begin to find what year the record will be 18.0 seconds. This word problem really confused me bad... your time and efforts will be greatly appreciated in this word problem...Thank you very much for your help.
Click here to see answer by MathTherapy(1423)

Question 620506: One number is four more than a second number. Four times the first is 2 less than 6 times the second. Find the numbers
Click here to see answer by ewatrrr(10682)

Question 620508: I am a two-digit number. If you divide me by 3 or subtract 10 from me, the result will be the same. What number am I?
Click here to see answer by ankor@dixie-net.com(15649)

Question 620568: A globe is 41.198 feet in diameter. Find its exact circumference (distance around) and then approximate its circumference using 3.14 for pi
Click here to see answer by jim_thompson5910(28593)

Question 620570: Scientists are drilling a hole in the ocean floor to learn more about the Earth’s history. Currently, the hole is in the shape of a cylinder whose volume is approximately 4200 cubic feet and whose height is 2.6 miles. Find the radius of the hole to the nearest hundredth of a foot. (Hint: Make sure the same unit of measurement are used.)
Click here to see answer by Alan3354(30993)

Question 620606: There are 40 dogs in a kennel. 15 are lab, 16 are bulldog, 7 are terrier, 4 are unknown type. There are also collies. There are 3 lab/bulldog, 2 terrier/lab, 0 bulldog/terrier. There are 2 lab/collie, 1 bulldog/collie, & no terrier/collie mixes. The unknowns are unknown so they cannot be classified as lab, bulldog, or terrier. Draw a venn diagram.
Click here to see answer by jim_thompson5910(28593)

Question 620628: Scientists are drilling a hole in the ocean floor to learn more about the Earth’s history. Currently, the hole is in the shape of a cylinder whose volume is approximately 4200 cubic feet and whose height is 4.1 miles. Find the radius of the hole to the nearest hundredth of a foot. (Hint: Make sure the same unit of measurement are used.)
Click here to see answer by unlockmath(1599)

Question 620627: Convert (16,5pi/3) to exact rectangular coordinates.
(16,5pi/3)= ( , )
Click here to see answer by nerdybill(6958)

Question 620638: Speed and Direction of a Ship. A ship's captain sets a course due north at 12 mph. The water is moving at 10 mph due west. What is the actual velocity of the ship, and in what direction is it travelling?

Round your answers to one decimal place.
The ship is travelling at approximately ? mph and the direction in which its travelling is approximately ? degrees west of due north.
Click here to see answer by Alan3354(30993)

Question 620615: Write the quotient in standard form.
1/5+4i=
Click here to see answer by ankor@dixie-net.com(15649)

Question 620611: Write the quotient in standard form.
5/i =
Click here to see answer by ankor@dixie-net.com(15649)

Question 620618: Express the complex number in rectangular form.
4[cos(180degrees)+ isin(180degrees)]
z=
Click here to see answer by KMST(1868)

Question 620631: Find the result of the expression using De Moivre's theorem. Write the answer in rectangular form.
(5-5 square root of 3i) to the 4th power
Click here to see answer by Alan3354(30993)

Question 620717: please show how to solve this I am confused...
Altitude of a launched object. The altitude of an object, in meters, is given by the polynomial
h + vt − 4.9t2,
where h is the height, in meters, at which the launch occurs, v is the initial upward speed (or velocity), in meters per second, and t is the number of seconds for which the object is airborne

Click here to see answer by lwsshak3(6494)

Question 620785: A rectangle has a length of 14 inches more than three times its height. If the perimeter of a rectangle is 396 inches, find its dimensions.
Click here to see answer by ewatrrr(10682)

Question 620737: Imagine that you have
108 red balls and
180 green balls.
The balls have to be packed in boxes in such a way that every box contains the same number of balls and there are balls of only one color in every box. What is the smallest number of boxes that you need ?
Kindly show the steps.
Click here to see answer by ewatrrr(10682)

Question 620906: Translate the phrase into a mathematical expression and then simplify.
Five times a number subtract thrice the same number. Write the corresponding mathematical expression__________________(Type an expression using x as the variable). The simplified expression is_______________(type an expression using x as the variable).
Click here to see answer by solver91311(16877)

Question 620999: You launch a rocket into the air with an initial upward velocity of 60ft/sec. starting at a height of 3ft.
How long until it hits the ground?
what was the maximum height of the rocket?
after how long did the maximum height occur?
at what two times was the rocket 50ft in the air?

Click here to see answer by solver91311(16877)

Question 621015: Define your variable(s), write an equation, and then solve the following problem. give your final answer in a sentence.
The length of the rectangular garden is 4 m greater than the width. the are of the garden is 96 m^2. find the length and the width.
Click here to see answer by solver91311(16877)

Question 621026: Kindly help me solve an equation for demand. Information provided is:
Q = 10,000 - 9,000P
Where Q= the number of cookbooks sold per month
P= the retail price of books.
The entire problem is:
Fixed Costs = $5,000 for technology, $4,000 for equipment, $1,000 for overhead.
(Other costs are $1,00 postage and handling, $3,000, $2,000 inventory of books)
You must give up your full-time job which paid $50,000 per year, and you worked part-time for half of the year. THe average retail price of the cookbook will be $30.00 and the average cost will be $20. Assume that the equation for demand is Q=10,000 -9000P Where Q= the number of cookbooks sold per month
P= the retail price of books. Show what the demand curve would look like if you sold the books between $25.00 and $35.00
Click here to see answer by solver91311(16877)

Question 621061: Use the 5 steps for problem solving to work this problem...
Copy Cats charges a $21 surcharge for a batch of colored copies plus $0.15 per page. Heritage Printing charges a $25.50 Surcharge for a batch of colored copies plus $0.12 per page. How many pages of colored copies would make Heritage Printing chearer than Copy Cats?
This is the most confusing problem I think I have had in this class so far...can someone please take the time to help me...PLEASE!!!!!
Click here to see answer by fcabanski(874)

Question 621060: Use the 5 steps for problem solving to solve this problem..
Tawny found $1.95 in quarters and dimes in the couch. There were 4 times as many dimes as there were quarters. How many dimes and quarters did she find?
This sounds like a joke instead of a math problem...but its not funny for me Im lost can someone please help me????Thank you very much...
Click here to see answer by htmentor(789)

Question 621125: I am trying to solve this problem, "A backyard fair charged $1.00 admission for adults and $0.50 for children. The fair made $25 and sold 34 tickets. How many adult tickets were sold?" and I am not sure how to set it up. I thought perhaps elimination, however I am note sure how to do that with a 0.5 for children's tickets!
Click here to see answer by solver91311(16877)

Question 621156: I need help..I am not understanding how to find this information using my text book or from the online lecture....

Assuming a normal distribution, what is the z-score associated with the second quartile?
Click here to see answer by jim_thompson5910(28593)

Question 621164: A copier can make 150 copies per minute. At this rate,how many minutes would it take to make 4,500 copies
Click here to see answer by nerdybill(6958)

Question 621207: Suppose a market research company finds that at p=$20, they would sell x=42 tiles each month. If they lower the price to p=$10, then more people would purchase the tile and they can expect to sellx=52 tiles in a month. Find the equation of the line for the demand equation.
Click here to see answer by josmiceli(9671)

Question 621059: Use the 5 steps for problem solving to answer the following question
The volume of a rectangular slab of concrete need to exceed 72 cu. ft. If the length is 12 ft. ad the width is 8 ft. how thick does the concrete slab need to be?
Does anyone have the time to help me out o this....PLEASE
Click here to see answer by KMST(1868)

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