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Question 176315: 1) A student says that 13 * 4 + 6 is the same as 13 * 10. How do you respond?
Click here to see answer by MathTherapy(10549)

Question 176318: 4) A student claims �If d does not divide a and d does not divide b, then d does not divide (a+b). How do you respond? Hint look in chapter 4.
Click here to see answer by solver91311(24713)

Question 176313: Deneen bought 120 floor tiles and 3 cans of paint for $195. If a can of paint cost $3.50 more than each tile, find the cost of two cans of paint.
Click here to see answer by MathTherapy(10549)

Question 176379: 8) A student says that a finite set of numbers is any set that has a smallest element. How do you respond?
Click here to see answer by jubacat(1)

Question 176322: 8) A student says that a finite set of numbers is any set that has a smallest element. How do you respond?
Click here to see answer by Fombitz(32388)

Question 176321: 7) A student says that A = {1, {1}} has only one element. How do you respond?
Click here to see answer by Fombitz(32388)

Question 176378: 7) A student says that A = {1, {1}} has only one element. How do you respond?
Click here to see answer by solver91311(24713)

Question 176390: Suppose another year of college will increase your lifetime earnings by about $30,000. The costs of tuition and book costs add up to only $8,000 for an additional year. Comment on the following statement: �Because the benefit of $30,000 exceeds the $8,000 cost, you should complete another year of college.� In addition to your comment, What economic principle are you using as a reference in responding to this question?

Click here to see answer by EMStelley(208)

Question 177084: If P=2y-6xy-3x and Q=4-5y, find the value of 2P-3Q
Click here to see answer by user_dude2008(1862)

Question 177084: If P=2y-6xy-3x and Q=4-5y, find the value of 2P-3Q
Click here to see answer by MathTherapy(10549)

Question 177426: A train leaves New York for Boston, 200 miles away, at 3:00 p.m. and averages 75 mph. Another train leaves Boston for New York on an adjacent set of tracks at 5:00 p.m. and averages 45 mph. At what time will the trains meet?
Click here to see answer by MathTherapy(10549)

Question 178021: Calculate to the nearest hundredth 1/20 +1/30 =
Click here to see answer by Mathtut(3670)

Question 178034: if they do not at all show the points on the graph just the line how can you find out the slope of the line without using its intercepts
Click here to see answer by Mathtut(3670)

Question 178076: A consumer electronics company sells 6.7 million MP3 players per month at a price of $100 apiece; when the price is lowered to $80, the company sells 10.2 million players per month. How many MP3 players can the company expect to sell per month at a price of $75?
Click here to see answer by josmiceli(19441)

Question 178178: cansomeone please help me with these graphing problems
solve and graph
-3(x – 2) – (1/2x + 2) > 1/4x + 3 - 16
Solve for y:
2y – 3 + y – 3 = y + 5 - 1
9 2 6

Click here to see answer by IVETTEMARTINEZ13@YAHOO.COM(1)

Question 178587: 4/5+8/15
Click here to see answer by Fombitz(32388)

Question 178587: 4/5+8/15
Click here to see answer by Mathtut(3670)

Question 178623: 3. A bar graph is used to show and a line graph is used to show.
Fill in the sentence.
a. Changes b. comparisons

Click here to see answer by stanbon(75887)

Question 178624: Use this chart to answer questions 4 and 5.
Circus Number of Days
A 100
B 130
C 160
D 90

4. What type of display is most appropriate for the data ?

Click here to see answer by stanbon(75887)

Question 178622: 2. When is a frequency table useful?
Click here to see answer by Mathtut(3670)

Question 178620: Find the mean, median and mode for each set of data:
a) 13.5, 15, 13.5,11,13
b) 32, 28.3, 26.8, 31, 24.4

Click here to see answer by Mathtut(3670)

Question 178767: I am studying for the military asvab test can you help me?
Click here to see answer by solver91311(24713)

Question 178827: 10 A club consist of ten members. How many different ways can a group of three people be selected to go on an European trip ?
Click here to see answer by Alan3354(69443)

Question 178830: 14. The mean salary of 24 people is $9000. How much will one additional salary of $80,000 increase the mean salary?
Click here to see answer by Mathtut(3670)

Question 178828: 12. Al and Ruby each roll ordinary dice once. What�s the probability that the number of Ruby�s roll is greater than the number of Al�s roll ?
Click here to see answer by Edwin McCravy(20054)

Question 178825: 8. A bag contains 4 red marbles, 3 yellow marbles, 2 black marbles and 1 green marbles. You select a marble at random. Find each probability.
a) Red
b) Yellow
c) Black
d) Green

Click here to see answer by Mathtut(3670)

Question 178822: Circus Number of Days
A 100
B 130
C 160
D 90
5. Which information would you use for the vertical axis ?

Click here to see answer by Mathtut(3670)

Question 178826: 9 In a two person game, four coins are tossed. If exactly two come up heads, you win. If anything else comes up, you lose. Does each player have an equal chance of winning the game ? Explain why or why not
Click here to see answer by Fombitz(32388)

Question 178924: A wire is bent in a shape of a square of side 4cm. The wire is again bent into the shape of a circle.Find the radius of the circle.
Click here to see answer by colliefan(242)

Question 179015: I have another word problem that I am fumbled with.
There are 630 dishes that need washed. Jim can do it in 105 minutes. His friend can do it in 70 minutes. If they do it together how many minutes will it take to rinse 630 dishes?? Please help! Ty in advance. Judy

Click here to see answer by checkley75(3666)

Question 179044: the lowest temperature on a winter morning was -8 degrees F. later that same day the temperature reached a high of 24 degrees F. by how many degrees Fahrenheit did the temperature increase?
Click here to see answer by stanbon(75887)

Question 179060: 11. Find the number of ways that four flags can be displayed on a flag pole, one above the other, if ten different flags are available.
Click here to see answer by stanbon(75887)

Question 178980: Write the resulting function if the following transformation are applied to the function y=x^2
a. shift left 2 and shift up 1 unit
b. shift left 9 units and shift down 3 units
Click here to see answer by Mathtut(3670)

Question 179059: 7 What is the difference between an outcome, an event and a sample?
Click here to see answer by Mathtut(3670)

Question 179337: 15 Explain whether you think it�s reasonable for a ski resort to advertise excellent skiing because the runs have 64 in. of snow at the top of the hill and 23 in. at the bottom
Click here to see answer by solver91311(24713)

Question 179274: #1. In a class, there are 20 men and 15 women. Find the ratio of the number of men to the number of students in the class. Express the ratio as a fraction reduced to the lowest term.

2. Determine whether each of the ordered pair is a solution of,
3x-4y>7: (0,0), (3,-6), (-2,-5), -3,4)
#3 A chemist needs to mix a 40% acid solution with 70% acid solution to obtain the 12 litters of 50%acid solution. How many liters of each of the acid solutions must be used?
#4. Solve the proportion:45/2=360/x
Click here to see answer by stanbon(75887)

Question 179389: On acertain street ,a section having an area of 4896.7 square yards is paved at an expense of $12,642.17.What would be the expense to a property holder who pays for 356.28 square yards of the pave?
Click here to see answer by Mathtut(3670)

Question 179390: What are the characteristics of the logarithms of the number in these following questions? 5)1.00 6)2520 7)2.7 8)0.0045
Click here to see answer by stanbon(75887)

Question 179335: 6. A stem and leaf plot is useful in displaying what type of data?
Click here to see answer by solver91311(24713)

Question 179336: 13. Suppose you read the average family in Rattlesnake Canyon has 2.41 children. What average is being used to describe the data? Explain your answer.
Click here to see answer by vleith(2983)

Question 179769: patrick are 1/4 of the cake that was left.
there was 2/3 of the cake left. what part of the cake did patrick eat?
Click here to see answer by Mathtut(3670)

Question 179963: What is the net cost of 200 stocks at $42.125
a) $8,425
b) $42.13
c) $4212.5
d) none of these
Click here to see answer by Mathtut(3670)

Question 180551: A library has 6 books abut u are only allowed to check out 4 at a time how many diffrent combinations of books can u have
Click here to see answer by stanbon(75887)

Question 180702: find all solutions of the equation algebraically.

1/t^2 + 8/t + 15 = 0

Click here to see answer by stanbon(75887)

Question 180701: find all solutions of the equation algebraically.

36t^4 + 29t^2 - 7 = 0

Click here to see answer by stanbon(75887)

Older solutions: 1..45, 46..90, 91..135, 136..180, 181..225, 226..270, 271..315, 316..360, 361..405, 406..450, 451..495, 496..540, 541..585, 586..630, 631..675, 676..720, 721..765, 766..810, 811..855, 856..900, 901..945, 946..990, 991..1035, 1036..1080, 1081..1125, 1126..1170, 1171..1215, 1216..1260, 1261..1305, 1306..1350, 1351..1395, 1396..1440, 1441..1485, 1486..1530, 1531..1575, 1576..1620, 1621..1665, 1666..1710, 1711..1755, 1756..1800, 1801..1845, 1846..1890, 1891..1935, 1936..1980, 1981..2025, 2026..2070, 2071..2115, 2116..2160, 2161..2205, 2206..2250, 2251..2295, 2296..2340, 2341..2385, 2386..2430, 2431..2475, 2476..2520, 2521..2565, 2566..2610, 2611..2655, 2656..2700, 2701..2745, 2746..2790, 2791..2835, 2836..2880, 2881..2925, 2926..2970, 2971..3015, 3016..3060, 3061..3105, 3106..3150, 3151..3195, 3196..3240, 3241..3285, 3286..3330, 3331..3375, 3376..3420, 3421..3465, 3466..3510, 3511..3555, 3556..3600, 3601..3645, 3646..3690, 3691..3735, 3736..3780, 3781..3825, 3826..3870, 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