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

Tutors Answer Your Questions about Miscellaneous Word Problems (FREE)

Question 431225: Classify each inequality as either true or false.
5 ≤ −5

Click here to see answer by rfer(12730)

Question 431249: Translate to an algebraic expression.
The product of 5 and c.

Click here to see answer by stanbon(57967)

Question 431249: Translate to an algebraic expression.
The product of 5 and c.

Click here to see answer by algebrahouse.com(1079)

Question 431250: Evaluate.
x – 3, for x = 4

Click here to see answer by algebrahouse.com(1079)

Question 431133: Allyson, Bethany and Corey have a window washing business and are regularly hired by a strip mall owner. They have found that together they can finish the job in 6 hours less time than when Allyson works alone, 1 hour less than when Bethany works alone, and in ½ the time than when Corey works alone. The next time they need to wash the windows, only Allyson and Bethany will be able to work. How long will it take them?
Click here to see answer by ankor@dixie-net.com(15746)

Question 431416: x**2 - 6 x - 91 = 0
Click here to see answer by Alan3354(31528)

Question 431415: t**3 - 2 t**2 -48 t = 0
Click here to see answer by algebrahouse.com(1079)

Question 431489: One number is 3 more than another number. The sum of their reciprocals is 1/2. what are the numbers?
Click here to see answer by josmiceli(9817)

Question 431487: One number is 5 times as large as another. The sum of their reciprocals is 3/5. What are the numbers?
Click here to see answer by htmentor(808)

Question 431556: Six pounds of grass seed covers 150 square feet. My lawn is 200 square feet. How much do I need
Click here to see answer by nerdybill(7008)

Question 431591: The product of a number and 7 is 12 more than the square of the number. What is the number?
Click here to see answer by jorel1380(2518)

Question 431679: At the end of the 2007 WNBA regular season, the Phoenix Mercury had 12 more victories than losses. The number of victories they had was one more than 2 times the number of losses. How many regular season games did the Phoenix Mercury play during the 2007 WNBA season?
Click here to see answer by jorel1380(2518)

Question 431831: if a collection of 27 coins consisting of 20 cent and $2 coins has a value of $23.40 find the number of coins of each domination
Click here to see answer by mananth(12270)

Question 431953: If a rock falls from a height of 20 meters on Earth, the height H (in meters) after x seconds is approximately
H(x) = 20 - 4.9x2.
When does the rock strike the ground? Round to the nearest hundredth, if necessary.
A. 4.08 sec
B. 0.91 sec
C. 0.83 sec
D. 2.02 sec

Click here to see answer by ewatrrr(10682)

Question 431966: For the function, find the average rate of change of f from 1 to x:
f(x) = x3 + x
A. 1
B. x2+ 2
C.
D. x2+ x + 2

Click here to see answer by richard1234(5390)

Question 431969: 13. Find the average rate of change for the function between the given values.
f(x) = -3x + 9; from 1 to 3
A. -9
B. -3
C. 9
D. 3

Click here to see answer by ewatrrr(10682)

Question 431970: Find the average rate of change for the function between the given values.
f(x) = 7x3 + 7x2 - 2; from -9 to 8
A. 1071
B. 504
C. 2015/4
D. 4030/17

Click here to see answer by htmentor(808)

Question 431987: Annual profit in thousands of dollars is given by the function, P(x) = 100*sqrt(x - 5) + 3000. X is the number of items sold in thousands.
a) describe the meaning of the number 5 in the formula
b) describe the meaning of the number 3000 in the formula
c) find the profit for 5 different values of x
e) will this profit function have a maximum, if so, what is it?
f) what steps should the company take to prepare your the answer in part e.
Click here to see answer by htmentor(808)

Question 432109: This problem is dealing with algebra word problems. I'm lost of how to even how to start this problem out.
It was reported on the 5 o'clock weather that the current temperature was 7F degrees. The forecast was for the temperature to drop 13 degrees by 6:00a.m. What will the temperature be at 6:ooa.m.?

Click here to see answer by Alan3354(31528)

Question 432357: A student averages 84 on five test. If the student received grades of 84,82,81, and 79 on the first
four exams, what grade did the student receive on the fifth exam?
Click here to see answer by algebrahouse.com(1079)

Question 432281: An airplane can fly 660 miles with the wind in the same amount of time it takes to fly 540 miles against the same wind. If the air speed of the plane in still air is 150 miles per hour, what is the speed of the wind?
Click here to see answer by mananth(12270)

Question 432431: There are 200 heads on a farm and 540 feet.
How many cows (4 legs) and how many chickens (2 legs) are there?
Click here to see answer by Edwin McCravy(8999)

Question 432519: If 20 is added to a number and the sum is doubled, the result is 6 less than the number. Find the number.
Click here to see answer by ewatrrr(10682)

Question 432519: If 20 is added to a number and the sum is doubled, the result is 6 less than the number. Find the number.
Click here to see answer by rwm(914)

Question 432542: Tom worked a total of 78 hours in 2 weeks on his summer job. During the first week, he worked 14 hours less than he did the second week. How many hours did Tom work during each of the 2 weeks?
Click here to see answer by rwm(914)

Question 432589: Suppose that P is proportional to Q. If p=40 when Q=9, find P when Q=24
Click here to see answer by edjones(7569)

Question 432589: Suppose that P is proportional to Q. If p=40 when Q=9, find P when Q=24
Click here to see answer by jorel1380(2518)

Question 432587: The product of two more than a number and three times the reciprocal of the number is 15/4. Find the number
Click here to see answer by edjones(7569)

Question 432653: Please help! Im stuck!
a scientist wants to estimate the age of a piece of wood. The half life of carbon-14 is 5730 years. Let f(t) represent the percent of carbon-14 that remains in the wood at the t years after the wood dies.
Equation:
f(t)= 100(1/2)^t/5730
If 20% of the carbon-14 remains, how old is the wood.
Click here to see answer by ewatrrr(10682)

Question 432621: Evaluate.
15/8x-y
for x = 5 and y = 11.

Click here to see answer by jorel1380(2518)

Question 432661: John and Shirley, can paint the deck in 9 hours. Working alone, Shirley takes three times as long as John. How long does it take John to paint the deck?
Click here to see answer by edjones(7569)

Question 433020: Brown makes a 10% profit on a $200 sale, Jones makes a 5% on $200 sale, and Smith makes a 15% on a $400 sale. What is the average value of profits made by brown, smith, and jones?

Click here to see answer by ewatrrr(10682)

Question 433017: All of Ralph's land was divided among his 6 kids, and his daughter Lynn's portion was divided among her 4 kids. How much of Ralph's land was inherited by 1 of Lynn's kids?

Click here to see answer by htmentor(808)

Question 433019: Bill and Jane are mowing a lawn. If bill mowed 1/8 of it and Jane mowed 1/4, how much still remains?

Click here to see answer by ewatrrr(10682)

Question 433129: A rectangle has length twice the side of this square and width three units less than the side of this square. If the two areas are equal, what are the square's dimensions (w x h)?
Click here to see answer by ewatrrr(10682)

Question 433209: In a survey of 260 dancers, 172 knew the ballroom dances, 145 knew the Latin dances, and 102 knew the swing dances. Of these, 65 knew the ballroom and swing dances, 93 knew the ballroom and Latin dances, and 56 knew the Latin and swing dances. Thirty-one dancers indicated that they knew all three styles of dance.

(a) How many knew only the ballroom dances?
(b) How many knew only the swing dances?
(c) How many knew exactly two of the three dances?
(d) How many knew the Latin and swing dances, but not the ballroom dances?
(e) How many knew none of these dances?
Click here to see answer by josmiceli(9817)

Question 433188: Everton college store paid $1739 for an order of 50 calcualtors. Store paid $11 each for scientific calcualtors. The others all graphing calculators, cost the store $52 each. How many of each type of calcualtor was ordered?
Click here to see answer by jorel1380(2518)

Question 433196: Here is the word problem:
A dining room is 12 feet wide and 15 feet long. On a scale drawing of the dining room, 1 cm represents 2.5 feet. What measurements would be used in the drawing for the dimensions of the dining room?
I'm not sure what it means. I'm in 7 grade. Thanks!
Click here to see answer by jorel1380(2518)

Question 433285: Consider a distribution of the weights of cars in the new car lot at a car dealership in which about half the inventory consists of compact cars and the other half consists of sport utility vehicles.
How many modes would you expect for the distribution? Would you expect the distribution to be symmetric, left-skewed, or right-skewed?
Choose the correct answer below.
a. One mode; right-skewed
b. Two modes; symmetric
c. Two modes; right-skewed
d. One mode; symmetric

Click here to see answer by stanbon(57967)

Question 433323: An aircraft flew 6 hours with the wind. The return trip took 7 hours against the wind.If the speed of the plane in still air is 492 miles per hour more than the speed of the wind, find the wind speed and the speed of the plane in still air.
The wind speed was__mph.
The speed of the plane in still air is___ mph.
Help please.
Click here to see answer by stanbon(57967)

Question 433324: Two motorcyclists start at the same point and travel in opposite directions. One travels 4mph faster then the other. In 4 hours they are 168 miles apart. How fast is each traveling?
The speed of the slower motorcyclist is___mph.
The speed of the faster motorcyclist is___mph.
Thank you.
Click here to see answer by stanbon(57967)

Question 432982: ) Lydia takes ten minutes more to complete an illustration than Tom. The total time taken by both of them is six hours. How much time did each require?
Click here to see answer by ankor@dixie-net.com(15746)

Question 433404: The weight of a synthetic ball varies directly with the cube of its radius. A ball with a rdius of 2 inches weighs 4.40 pounds. Find the weight of a ball with the same material with a 3 inch radius.

The weight of a ball of the same material with a 3 inch radius is____ lb.

Thanks
Click here to see answer by stanbon(57967)

Question 433433: A sample of a radioactive substance decayed to 91% of its original amount after a year. (Round your answers to two decimal places.)
(a) What is the half-life of the substance?
(b) How long would it take the sample to decay to 30% of its original amount?

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

Question 433569: Use the commutative law of multiplication to write an equivalent expression.
4(a + b)

Click here to see answer by algebrahouse.com(1079)

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