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Question 462028: 62. The city where Lu Na lives has a population of 2,175,633 people and an area of 124.3 square miles. What is the rate of number of people per square miles (the population density)?

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Question 462115:
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Question 462139: Can someone please help ASAP!!
A certain kind of animal weighs about 75 pounds at birth and gains about 2 pounds per day for the first few weeks. Determine those days for which the animal's weight is more than 125
The animal's weight is more than 125 pounds when the animal is more than ___day olds.
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Question 462166: The lengths of three rods are 6 cm, 9cm, and 11 cm. How can you use these rods to measure the length of 14 cm?
THANK YOU!
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Question 462164: Can someone please help me !!
miranda financial aid stipulates that her tuition not exceed $1200 if her college charges a $90 registration fee plus $375 per course, so what is the greatest number of courses for which miranda can register?_____
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Question 462282: I have 4 three cent stamps and 3 five cent stamps. Using one or more of these stamps, how many different amounts of postage can I make?
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Question 462341: If a sausage-making machine produces 3000 sausages in h hours, how many sausages can it produce in m minutes?
Note: I can plug in numbers, but am struggling to set this problem up algebraically. I think I'm solving for s, in terms of m....
There are 5 possible answers:
a. m/50h
b.50h/m
c. mh/50
d. 50m/h
e. 50mh
I can plug in values to see which one works (d works), but would love to figure out how to solve this problem through the use of algebra...
Click here to see answer by stanbon(75887)

Question 462349: I am having trouble with this word problem. Can you help?
A book can be purchased in hardcover for $15.95 or in paperback for $4.95. How many of each type were printed if 11 times as many paperbacks were printed as hardcovers and a total of 114,000 books were printed?

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Question 462394: One three consecutive passes, a football team gains 6 yards, loses 34 yards and gains 11 yards. What number represents the total net yardage?
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Question 462356: Three darts are thrown. Assume that each of the darts lands within one of the rings or within the bull's eye. How many different point totals are possible?
Would you please help me with this. Your site is providing me great assistance in getting me back on my feet in math. It has been more than a few years. Thank you so much.
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Question 462463: I submitted this question yesterday, but left out some vital information. Sorry! :-( Could I just blame it on age? Anyway, here we go again:
Three darts are thrown at the target shown below. Assume that each of the darts lands within one of the rings, or within the bull's eye. How many different point totals are possible?
Three rings- Outer ring - 3 points
Center ring - 4 points
Bull's eye - 9 points
Thanks for your patience.
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Question 462615: Find the y-intercept and the x-intercept for the equation 3x+2y=18
What is the y -intercept__?
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Question 462615: Find the y-intercept and the x-intercept for the equation 3x+2y=18
What is the y -intercept__?
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Question 462592: A total of 464 tickets were sold for the school play.They were either adult tickets or student tickets. The number of student tickets sold was three times the number of adult tickets sold . How many adult tickets were sold?
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Question 462745: There was a man in ancient india named Shashi.He designed a game(international chess) and presented it to the emperor.The emperor was very interested in the game and decided to reward Shashi.When asked what reward he wanted, Shashi pointed on the squares of the chessboard and said I would like wheat. Please put 1 grain of wheat on the first square, 2 on the second, 4 on the third,8 on the fourth, and so on, until all 64 squares had been filled. The emperor readily agreed and ordered his men to fulfill Shashi's request. However, his men came back to report that they could not do this even after the national granary had been emptied. Why was this so?

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Question 462747: A,B, and C form a sequence of two digit prime numbers less than 100.The difference between A and B; B and C are equal.Find the value of B.
Click here to see answer by Edwin McCravy(20054)

Question 462756: Can someone please help me!! This is very confusing!!
The value, v, of a shopkeeper's inventory software program is given by v = -1/3t +4, where t is the number of years since the shopkeeper bought the program. What is the program worth 9 years after it is first purchased? Plot the point with the given t-value,9.
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Question 462879: The function H described by H(x)=2.75x+71.48 can be used to predict the height in centimeters of a woman whose humerus is x cm. long. Predict the height of a woman whose humerus is 38 cm. long.
I replaced the x with 38 and I came up with an answer of 4.63 cm which can't be right (her humerus would be longer than she is!) What am I doing wrong? Please help. Thank you.
Click here to see answer by math-vortex(648)

Question 462985: Can someone be so kind to help solve this problem?
A roof rises 1.4 feet vertically and 6.8 feet horizontally. What is the grade of the roof? The grade of the roof is _____%
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Question 463106: A farmer has 318 feet of fence with which to make a corral. If he arranges it into a rectangle that is twice as long as it is wide, what are the dimensions
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Question 463076: A person Who can Appreciates art, music etc.?
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Question 463308: After taking away 10% from X, I get 3,330. What is number X and what was the value of the 10%?
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Question 463296: Elaine sold three times as many magazines as Ron. Ron sold 16 less magazines than elaine. How many magazines did they both sell?
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Question 463462: how many sets of answer are possible for a true-or-false quiz of 20 questions?
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Question 463462: how many sets of answer are possible for a true-or-false quiz of 20 questions?
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Question 463516: I really appreciate your help.
A hardware supplier manufactures three kinds of clamps, types A, B,and C. Production restrictions force it to make 10 more type C clamps than the total of the other types and three times as many B clamps as type A clamps. The shop must produce 330 clamps per day. How many of each type are made per day?
A clamps
B clamps
C clamps
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Question 463581: you pay $105 for eight tickets. If student tickets cost $10 and adult tickets cost $5, how many of each type did you buy?
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Question 463933: Im not sure what consecutive integers are.
Question- if three times the smaller of two consecutive integers is added to four times the larger, the result is 137. Find the integers?
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Question 463928: I would appreciate help solving this question:
A section of a roller coaster ride is described by the equation y = 0.005x^2 -2x +200 where y represents the vertical distance in feet and x represents the horizontal distance in feet. At what value of x will the track turn upwards?
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Question 464058: A 100kg Brick On The Moon. If The Moon Had 5x Less Gravity Than Earth, What Would The Weight Of The Brick Now?
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Question 464140: The temperature outside dropped from 42 degrees at 5:00 am to 24 degrees at 5:00 pm. Find the rate of change in the temperature.
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Question 464157: "In a baseball game the Saints had four more hits than the Dolphins. If six times the numbers of hits by the Dolphins was sixteen greater than twice the number of hits by the Saints, how many hits did each team make?"
This is the word problem. Im very confused. I came up with this equation but i do not think its right. and if it is, im not sure how to continue the problem.
6n>16>(4)2n
Your help is greatly appreciated! thank you!
Click here to see answer by ewatrrr(24785)

Question 464332: The difference of two positive numbers is 14. The larger is twice the smaller decreased by 5. Find the two numbers. (Enter solutions from smallest to largest.)

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Question 464418: Write an algebraic expression for the given quantity. Let x represent the unknown value. eight times a quantity added to four. The algebraic expression for the given quantity is?
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Question 464413: A 20 inch TV is advertised in the local newspaper. If 20 inches is the measure of the diagonal of the picture tube, find the measure of each side of the picture tube.
The width is ____ inches.
The height is _______ inches.
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Question 464499: A basketball player has a 40% shooting average from the free-throw line. If she takes two free throws, estimate the probability that she will make both of them. Use the following list of digits which was taken from a table of random numbers. Let the digits 0-3 represent a made free throw and let the digits 4-9 represent a miss. Start at the top left of the table and move all the way across to the right of the table before moving down to the next row.
52052 24004 03845 11507
27510 33761 86563 61729
48061 59412 79969 11339
27324 72723 22406 86253
29970 95877 70975 99120

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Question 464519: Simple Pendulum Gravity is responsible for an object falling toward Earth. The farther the object falls, the faster it is moving when it hits the ground. For each second that an object falls, its speed increases by a constant amount, called the acceleration due to gravity, denoted g. One way to calculate the value of g is to use a simple pendulum.
The time T for a pendulum to swing back and forth once is called its period and is given by
T = 2π √ L/g
where L equals the length of the pendulum. The table lists the periods of pendulums with different lengths.
L(feet)............. 0.5...........1.0..........1.5
T(seconds)..... 0.78.........1.11........1.36
(a) Solve the formula for g.
(b) Use the table to determine the value of g. (Note: The
units for g are feet per second)
(c) Interpret the result.
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Question 464590: Find the variation constant and an equation of variation where y varies inversly as x and y=10 when x=15.
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Question 464680: Simplify by removing factors of 1. 6p^2+6p
30p^2+36p

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Question 464888: A car and van are parked 120 mi apart on a straight road. The drivers start driving toward each other at noon, each at the speed of 40 mi/h. A fly starts from the front bumper if the van at noon and flies to the bumper of the car, then immediately back to the bumper of the van, back to the car, and so on until the car and the van meet. If the fly flies at 100 mi/h, what is the total distance it travels?
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Question 464977: In 2006, the number of federal hazardous waste sites in California was 3 less than twice the number of sities in Washington. How many hazardous waste sities were there in Washington if there were 45 such sites in California?
In Washington, there were _____ federal hazardous waste sites.

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Question 465003: A constant net force of 80 N gives a toy rocket an acceleration of 3.5 m/s2. What is the mass of the rocket?
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Question 465002: A force of 2.8 N is exerted on a 8.0 g rifle bullet. What is the bullet�s acceleration?
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