Wednesday
June 19, 2013

# Homework Help: Math

Branches of Math

Recent Homework Questions About Math

math
A token is placed on the corner square of a 3×3 chess board. The token is moved either up, down, left, or right, with equal probability. If the token would move off the edge of the board it "wraps around'' the board and moves to the opposite side instead. ...
Thursday, May 23, 2013 at 3:12am

Math
2 yards, 1 foot 1 yard=3 feet 2x3feet = how many feet? __ + 1 foot = how many feet?
Thursday, May 23, 2013 at 1:36am

math
please im raking my brain to help my daughter! posting again! due in morning! we finished all but this one problem! need the rule input3 output9 input4 output16 input blank output25 input6 output blank input blank output0 input10 output100. please help im tired!! really need ...
Thursday, May 23, 2013 at 1:26am

math
what is the net date august 29 with terms of 4/15 eom what is the discount date
Thursday, May 23, 2013 at 1:02am

math,science
if 5cosa + 3 = 0 and 180<a<360 , find the value of 3tana + 25sin^2a
Thursday, May 23, 2013 at 12:57am

math
posting again. my daughter is having trouble in input output finding the rule. we have done all the problem but one. cant figure out due in morning!!! whats the rule for problem input3 output9 input4 output16 input blank output25 input10 output100. please help. never got a ...
Thursday, May 23, 2013 at 12:40am

math
One train left the station and traveled toward its destination at a speed of 65 miles per hour. Later, another train left the station traveling in the opposite direction of the first train, it was going at a speed of 75 miles per hour. After the first train had traveled for 14...
Thursday, May 23, 2013 at 12:15am

Math
Sam is making 3 picture frames with dimensions seven and seven-eights and five and three quarters. What length of wood does he need for all 3 picture frames? Please answer as soon as possible; need it for tomorrow. Thanks
Wednesday, May 22, 2013 at 11:54pm

To: Reiny- Math
Thank you so much for helping me but for #2 c.) is it yes or a no, though i did the rest of my questions but im stuck on this one so can you please help and explain a lot cause i have a test on this soon and i want to understand it, thanks :) Serena can rent a video game for \$...
Wednesday, May 22, 2013 at 11:28pm

Math
Can someone explain what to do for the following question. What percentage of a normal distribution is greater than the mean? Give your answer correct to the nearest percent. What formula is used? Because I have to find also 1 standard deviation of the mean and what percentage...
Wednesday, May 22, 2013 at 11:01pm

English-Writing
can u please help me revise my introduction and conclusion paragraph with better wordings. Introduction paragraph I have chosen my career field as an accountant but I want to start it with being a bank teller. I want to become a bank teller soon because this profession ...
Wednesday, May 22, 2013 at 10:34pm

Math calculus
The altitude of a triangle is increasing at a rate of 1000 centimeters/minute while the area of the triangle is increasing at a rate of 1500 square centimeters/minute. At what rate is the base of the triangle changing when the altitude is 7000 centimeters and the area is 89000...
Wednesday, May 22, 2013 at 10:18pm

math
i need help! my last math question cant figure out! whats the rule for input 3 output 9 input 4 output 16 input blank output 25 input 6 output blank input 10 output 100, thank you been stuck for over 30 minutes!!!!
Wednesday, May 22, 2013 at 10:18pm

To Math Helpers please:Math 2 questions
I'll retype it, Ive been waiting forever and i just need someone to do these 2 questions so that i can continue doing my other ones so can someone do them: I need help with 2 questions so that I could do my other ones myself so can someone please do these 2 questions so i ...
Wednesday, May 22, 2013 at 10:09pm

Math Geometry
How do you put your knowledge of quadrilaterals to kites?
Wednesday, May 22, 2013 at 9:38pm

Math 2 questions
I need help with 2 questions so that I could do my other ones myself so can someone please do these 2 questions so i get an example how to do them, thanks. 1. Lauren works for a bookstore. One of the stores suppliers has a promotion in which any in stock childrens book cost \$4...
Wednesday, May 22, 2013 at 9:21pm

math
A 5-inch section of a hollow brick measures 12 inches tall and 8 inches wide on the outside. The brick is 1 inch thick. Find the volume of the brick, not the hollow interior.
Wednesday, May 22, 2013 at 7:51pm

math
The deepest part of the Pacific Ocean is Marianas Trenchwith a depth of 10,911 meters,The deepest part od the Alantic Ocean is the Puerto Rico Trench with a depth of 8,648 meters Whatn is the difference in elevation of the two trenches?
Wednesday, May 22, 2013 at 7:48pm

math
A rental truck costs \$50 plus \$0.50 (67) per mile. (a) Write an equation that gives the cost C of driving the truck x miles. (b) Use the intersection-of-graphs method to determine the number of miles that the truck is driven if the rental cost is \$80. (c) Solve part (b) ...
Wednesday, May 22, 2013 at 7:47pm

math
24 ÷ 6 ( 2 + 2 )= ?
Wednesday, May 22, 2013 at 7:28pm

Math
A 5-inch section of a hollow brick measures 12 inches tall and 8 inches wide on the outside. The brick is 1 inch thick. Find the volume of the brick, not the hollow interior.
Wednesday, May 22, 2013 at 7:28pm

math
a jet travels at 435.6 miles per hour. how far will it travel in 6.75 hours?
Wednesday, May 22, 2013 at 7:22pm

math
how many diagnals does an octagon have?
Wednesday, May 22, 2013 at 7:20pm

math
what percent of 30 is 40?
Wednesday, May 22, 2013 at 7:19pm

math
jimmy is playing a dart game at an arcade. he can earn 2,3,or 6 points with each dart. she scored 24 points. how many ways could he score 24 points given that each dart thrown landed on the dart board?
Wednesday, May 22, 2013 at 7:18pm

math
A rental truck costs \$50 plus \$0.50 (67) per mile. (a) Write an equation that gives the cost C of driving the truck x miles. (b) Use the intersection-of-graphs method to determine the number of miles that the truck is driven if the rental cost is \$80. (c) Solve part (b) ...
Wednesday, May 22, 2013 at 7:07pm

math
Triangles ABC and DEF are similar. The similarity ratio of to is , AB = 40, BC = 25, and AC = 35. What is the perimeter of ?
Wednesday, May 22, 2013 at 6:55pm

math
If each cup of unpopped kernels makes 3 cups of popped corn, how many quarts of popped corn will a 16 ounce of kernels make? Please help me.
Wednesday, May 22, 2013 at 6:28pm

math
Justine earned \$25,000 during the first year of her job at city hall. After each year she received a 6% raise. Find her total earnings during the first five years on the job.
Wednesday, May 22, 2013 at 5:37pm

Math 7th Grade
A bag contains 5 red,2 blue,and 4 white marbles. What is the probabiltiy If Sam picked a red marble replaced it and picked a white marble?
Wednesday, May 22, 2013 at 5:23pm

Math ms. Sue please help
Eve's account was overdrawn by \$12. The bank charged her \$10. Then she deposited \$90. How much is in her account?
Wednesday, May 22, 2013 at 5:16pm

Math ms. Sue please help
Tim had \$52 in his checking account. He wrote a check for \$55 and then made a deposit of \$10. How much was in his account?
Wednesday, May 22, 2013 at 5:14pm

math
how much will i have to pay back on 3200 dollars intrest rate 9% for a yr an a half
Wednesday, May 22, 2013 at 5:01pm

math
Your store’s average basket (transaction) size for the month of March was \$11.50 and you believe the average basket size will remain the same for your store in April. One of your hourly employees had an average basket size of \$9.00 for the month of March and averaged 125 ...
Wednesday, May 22, 2013 at 4:31pm

math
Represent the above relationship between the number of triangles and the perimeter of Of the figures they form by filling in the table below. Perimeter = a + b + c Number of Triangles Perimeter 1 6 + 6 + 5 = 17 2 3 .
Wednesday, May 22, 2013 at 4:10pm

Math
A locker combination has three nonzero digits, and digits cannot be repeated. The first two digits are 1 and 2. What is the probability that the third digit is 3? would this be 1/7 or 1/6? i'm unsure.
Wednesday, May 22, 2013 at 4:07pm

Math
3/4 - F = 1/3. What does F equal? ): Please help!
Wednesday, May 22, 2013 at 3:16pm

math
Alex bought twice as many pears as apples. He bought 4 more pears than oranges. He bought 6 apples. How many oranges did Alex buy?
Wednesday, May 22, 2013 at 2:48pm

Business Math
One-ninth of Polymer Plastics’ sales are made in New England. If New England sales amount to \$600,000, what are the total sales of the company? (Points : 2)
Wednesday, May 22, 2013 at 2:11pm

math
sunshine honda sold 112 cars this month if that 40% greater than last month how many cars was sold last month
Wednesday, May 22, 2013 at 2:01pm

geometry
Pllllleeeaaasssssssseeeee help me with this math fast! a. Find x. The figure is not drawn to scale. b. Is the triangle equilateral, isosceles, or scalene? Explain. Image at imgur . com / 6y2f9a3
Wednesday, May 22, 2013 at 1:26pm

math master help plzzzzzzzzzzzzzz
what comes next in the sequence 6,12,20,32,52,88,156
Wednesday, May 22, 2013 at 10:56am

MATH URGENT HELP
In the expression -7x-3x^2+5 what is the coefficient of x? i don't understand what does coefficient is can you help?
Wednesday, May 22, 2013 at 10:51am

Math
Perform the given set operation. Let U = {1, 2, 3, 4, 5, 6, 7, 8, 9, 10}. (Enter your answers as a comma-separated list. Enter EMPTY for the empty set.) {x | x is a multiple of 2} union {x is a multiple of 3}
Wednesday, May 22, 2013 at 9:42am

Math
3) Find the area bounded by the curves f(x)= x^3 + x^2 and g(x)= 2x^2 + 2x. I get 4653pi/105 after help from Mr. Reiny, but this is wrong. Have I calculated incorrectly? Thank you
Wednesday, May 22, 2013 at 8:25am

math
Logarithm 3^3x+1=3^5x-2 3^3x+1-3^5x-2=0 Log(3^3x+1-3^5x-2)=log0 Please explain to me why is the last step is wrong
Wednesday, May 22, 2013 at 7:32am

math URGENT thx
what is the rule? x 5 7 9 11 y 1 1.6 1.8 2.2
Wednesday, May 22, 2013 at 7:01am

Math (Algebra)
If the ratio of the roots of the quadratic equation x^2−28x+A=0 is 2:5, what is the product of the roots of the quadratic equation x^2+Ax+2A+3=0?
Wednesday, May 22, 2013 at 6:19am

Math (Algebra)
For real numbers a and b, if f(x)=x^2−ax+b satisfies f(5+7i)=2a, what is the product of the two roots of the equation f(x)=0?
Wednesday, May 22, 2013 at 6:18am

Math Models
The scores on a standardized test are normally distributed with the mean of 750 and standard deviation 70. Find the probability that a score is more than 890. This is from my Math Models class. I am not taking Statistics. Please someone show me how to do answer this-I don'...
Wednesday, May 22, 2013 at 2:36am

MATH
THERE ARE 2 SPINNERS ONE IS LABLED A-D THE OTHER IS LABLED 1-8. WHAT IS THE PROBABILITH OF SPINNING EITHER AN A OR B AND EITHER A 1 OR 2. ANSWERS GIVEN ARE 0.0625,0.116,0.125,AND 0.18
Wednesday, May 22, 2013 at 12:13am

math
Use a graphing calculator to solve the equation 3 tan=(1)/(3)è=8 in the interval from 0 to 2pi. Round your answers to the nearest hundredth.
Tuesday, May 21, 2013 at 11:43pm

math
turn standard form into scientific notation: 1. 12457.686 m 2. 0.000065423 g 3. 128.90 g 4. 0.0000007532 m turn scientific notation back to standard form: 1. 1.37 x 10^4m 2. 2.875 x 10^2g 3. 8.755 x 10^-5g 4. 7.005 x 10^-3m
Tuesday, May 21, 2013 at 11:43pm

MATH hard problem...HELLPPPPPP
Let S={1,2,3,…11} and T1,T2…,TN be distinct subsets of S such that |Ti∩Tj|≤2 for all values i≠j. What is the maximum possible value of N? clue: The empty set is a subset of every set. Thanks
Tuesday, May 21, 2013 at 11:28pm

MATH Help please.....
Let S={1,2,3,…11} and T1,T2…,TN be distinct subsets of S such that |Ti∩Tj|≤2 for all values i≠j. What is the maximum possible value of N? (The empty set is a subset of every set.)
Tuesday, May 21, 2013 at 11:02pm

Math
Writing to Explain Describe how to use a ruler to measure to the nearest inch.
Tuesday, May 21, 2013 at 10:33pm

Math
1. What payment should be made on the invoice from the previous question if it is paid on September 3? 2. If the manufacturer from the question above charges a 4½% late fee, how much would City Cellular owe if it did not pay the balance by the net date?
Tuesday, May 21, 2013 at 9:27pm

Math
1. What payment should be made on an invoice in the amount of \$3,400 dated August 7 if the terms of sale are 3/15, 2/30, n/45 and the bill is paid on August 19? 2. What payment should be made on the invoice from the previous question if it is paid on September 3?
Tuesday, May 21, 2013 at 9:26pm

Math
1. An invoice is dated August 29 with terms of 4/15 EOM. What is the discount date? 2. What is the net date for the scenario in the previous question?
Tuesday, May 21, 2013 at 9:25pm

Math
1. Ned’s Sheds purchases building materials from Timbertown Lumber for \$3,700 with terms of 4/15, n/30. The invoice is dated October 17. Ned’s decides to send in a \$2,000 partial payment. By what date must the partial payment be sent to take advantage of the cash ...
Tuesday, May 21, 2013 at 9:21pm

math
what is the rule? x 5 7 9 11 y 1 1.6 1.8 2.2
Tuesday, May 21, 2013 at 9:21pm

4 grade math
Find two mixed numbers so that the sum is 15 3/10 and the difference is 8 5/10
Tuesday, May 21, 2013 at 8:11pm

math
for what value of n will 3n + 4 = 6n - 11 be true?
Tuesday, May 21, 2013 at 8:08pm

math
Each serving of fruit punch is 250 milliliters. How many servings of punch are there in 20 liters? Please answer and explain.
Tuesday, May 21, 2013 at 8:03pm

math
To make the punch, the staff adds 250 milliliters of fruit juice for every 5 liters of punch. How many liters of fruit juice would be added to 20 liters of punch? Please answer and explain.
Tuesday, May 21, 2013 at 7:31pm

math
the angle of depresssion from the top of a building to a point on the ground is 59 degrees. how far is the point on the ground from the top of the building if the building is 87 meters high?
Tuesday, May 21, 2013 at 7:25pm

7th grade math (help!)
Hey! 2y-8y=-4 Do I subtract or do I add?!? Something like that right?!?
Tuesday, May 21, 2013 at 7:22pm

4th grade math
Find two mixed numbers so that the sum is 8 4/8 and the difference is 2 2/8
Tuesday, May 21, 2013 at 7:18pm

math
which of the following lines is not parallel to y=2x+1 1)4x-2y=-4 2)2y-x=4 3)y-2x=6 4)2x-y=4
Tuesday, May 21, 2013 at 6:50pm

math
Chad buys peanuts in 2 pound bags. He repackages them into bags that hold 5/6 pound of peanuts. How many 2 pound bags of peanuts should Chad buy so that he can fill the 5/6 pound bags without having any peanuts left over? What are the steps to find the answer.
Tuesday, May 21, 2013 at 6:22pm

math i don't get it
The lemonade recipe calls for 2 tablespoons or 1 ounce of food coloring for every gallon. How many cups of food coloring are there in 16 gallons of lemonade? Please explain this a lot so i can get this.
Tuesday, May 21, 2013 at 6:22pm

math
find the pair own parallel lines 1)-12y+15x=-4 2)4y=-5x-4 3)15+12y=-4
Tuesday, May 21, 2013 at 6:21pm

math
which of the following equations has a graph that is parallel to the graph of 4x-2y=7? 1)4x+2y=2 2)-2y=4x+2 3)7-4x=2y 4)2y=4x+7 5)-4x-2y=-7
Tuesday, May 21, 2013 at 6:18pm

STEVE HELP MATH
53.) 49x-2 = 7Ö 7 a. -5/4 b.5/4 c. 11/4 d. -11/4 79.) 10 E 3n-2 n=4 a. 14+17+20+...+32 b. 28+31+34+...+43 c. 10+13+16+...+28 d. 9+14+17+...+30 66. ln 1 √e a. -√e b. -1/2 c. 1/e d. 1/2 67. Solve: e3x = 8 a. ln 5 b. 3 ln 8 c. ln 8 3 d. ln 3 8
Tuesday, May 21, 2013 at 4:45pm

These are my last couple! Please Help In Math.
53.) 49x-2 = 7Ö 7 a. -5/4 b.5/4 c. 11/4 d. -11/4 79.) 10 E 3n-2 n=4 a. 14+17+20+...+32 b. 28+31+34+...+43 c. 10+13+16+...+28 d. 9+14+17+...+30 66. ln 1 √e a. -√e b. -1/2 c. 1/e d. 1/2 67. Solve: e3x = 8 a. ln 5 b. 3 ln 8 c. ln 8 3 d. ln 3 8
Tuesday, May 21, 2013 at 4:36pm

So confusing! Help Math.
49x-2 = 7Ö 7 a. -5/4 b.5/4 c. 11/4 d. -11/4
Tuesday, May 21, 2013 at 4:07pm

Help, Math.
Solve: 3e2x + 2 = 50 a. ln 8 b. ln 0.25 c. ln 14 d. 0.5ln 16 --------- Solve: 1 = 7 ex a. ln 1/7 b. ln 1/7 c. ln 7 d. ln 7 ------------ Solve: e3x = 8 a. ln 5 b. 3 ln 8 c. ln 8 3 d. ln 3 8 ---------- ln 1 √ e a. -√e b. -1 2 c. 1 e d. 1 2
Tuesday, May 21, 2013 at 3:49pm

Help In Math!
In triangle ABC, a = 5, b = 9, and c = 6. Find angle A, angle B, and angle C. a. 38.9°, 109.5°, 331.6° b.31.6°, 109.5°, 38.9° c. 109.5°, 31.6°, 38.9° d. 331.6°, 38.9°, 109.5°
Tuesday, May 21, 2013 at 3:38pm

Please help Math
Determine the correct formula for the measures of all angles coterminal with the angle: 140° a. 140° + (360° + n) b. 140° + n(360°) c. 360° + n(180°) d. 360° + (180° + n)
Tuesday, May 21, 2013 at 3:37pm

Math
A saline solution is 20% salt. How many gallons of water must be added to dilute the mixture to 8 gals of a 15% saline solution? here is my method: using c1V1 = c2V2, (0.2)(V1) = (0.15)(8) V1 = 6 gals So, since 8 gals are required to dilute the saline solution of 15%, 8-6 = 2 ...
Tuesday, May 21, 2013 at 3:36pm

math
find the solution to the system of equations by using either graphing and substitution y = 6 - x and y = x - 2 (2,4) (-4,2) (4,2) no solutions I think this one is the third answer am I right?
Tuesday, May 21, 2013 at 3:07pm

Math
The scores on a standardized test are normally distributed with the mean of 750 and standard deviation 70. Find the probability that a score is more than 890.
Tuesday, May 21, 2013 at 2:50pm

Please Help - Math
107. Evaluate: logx 16 = -2 a. 0.25 b. 4 c. -4 d. -0.25 108. Evaluate: e2 ln 3 a. 6 b. 9 c. 12 d. 18
Tuesday, May 21, 2013 at 2:15pm

math
Find the area of the other figure to the nearest whole number. The area of the smaller trapezoid is 771 m2.
Tuesday, May 21, 2013 at 1:42pm

Math
Please help. 51. Solve: 125=(x3)/0.3^-3 a.7 b.14 c.15 d.9 53. 49x-2 = 7Ö 7 a.-5/4 b.5/4 c.11/4 d.-11/4 60. Simplify: 2log^3 6 - log^3 4 a.3 b.6 c.4 d.2 61. Solve the equation: logb (x^2 + 7) = 2/3logb 64 a.9 b.3 c. √23 d. ±3 62. Solve: (The fifth root of x) ...
Tuesday, May 21, 2013 at 1:29pm

Math
In Example 2, find the percent of the total and the number of degrees in each sector for mountains, theme parks, relatives, and other. Find the median of the data set in Example 3. In which category does it fall? Find the average unemployment rate for Example 4. Determine ...
Tuesday, May 21, 2013 at 1:28pm

Math
can someone please help me with the answer to this question? What payment should be made on the invoice in the amount of \$ 3,400.00 dated Aug 7 if the terms of sale are 3/15, 2/30,n/45 and the bill is paid Aug 19?
Tuesday, May 21, 2013 at 1:27pm

Math
The scooter does 40km to a litre of petrol. If I use 7.25l how far did the scooter travel
Tuesday, May 21, 2013 at 1:15pm

Math
If the manufacturer from the question above charges a 4½% late fee, how much would City Cellular owe if it did not pay the balance by the net date?
Tuesday, May 21, 2013 at 1:14pm

Math
City Cellular purchased \$28,900 in cell phones on April 25. The terms of sale were 4/20, 3/30, n/60. Freight terms were F.O.B. destination. Returned goods amounted to \$650. What is the net amount due if City Cellular sends the manufacturer a partial payment of \$5,000 on May 20?
Tuesday, May 21, 2013 at 1:14pm

Math
Using your answer to the question above, what is the net dollar amount of that rose order?
Tuesday, May 21, 2013 at 1:13pm

Math
Fantasia Florist Shop purchases an order of imported roses with a list price of \$2,375 less trade discounts of 15/20/20. What is the dollar amount of the trade discount?
Tuesday, May 21, 2013 at 1:12pm

math
if you have 63 diffrent combinations how many diffrent combinations can you make with 1 crust , and 3 diffrent toppings , and 1 type of cheese ?
Tuesday, May 21, 2013 at 12:49pm

Math
I don't know the answer . That's why I'm looking for someone to help me answer my question which is : An invoice is dated Aug 29 with terms of 4/15 E.O.M. What is the discount date and the net date ?
Tuesday, May 21, 2013 at 12:30pm

Math
does anyone know how to find the answer to the following questions: An invoice is dated Aug 29 with terms of 4/15 E.O.M. What is the discount date and the net date ?
Tuesday, May 21, 2013 at 12:18pm

Business Math
An invoice is dated Aug 29 with terms of 4/15 E.O.M. What is the discount date and net date ?
Tuesday, May 21, 2013 at 12:03pm

Math 104
Students, please view the "Submit a Clickable Rubric Assignment" in the Student Center. Instructors, training on how to grade is within the Instructor Center. Assignment 2: Financial Project Due Week 7 and worth 55 points Five (5) years ago, you bought a house for \$...
Tuesday, May 21, 2013 at 11:17am

math
City Cellular purchased \$28,900 in cell phones on April 25. The terms of sale were 4/20, 3/30, n/60. Freight terms were F.O.B. destination. Returned goods amounted to \$650. What is the net amount due if City Cellular sends the manufacturer a partial payment of \$5,000 on May 20?
Tuesday, May 21, 2013 at 11:09am

Math (Algebra)
f(x)=x^4+ax^3+bx^2+cx+d and has real coefficients. If two of the roots are 4−i and 2+3i, what is the value of a+b+c+d?
Tuesday, May 21, 2013 at 11:08am

Math (Algebra)
One root of the quadratic equation x^2 − 2x + m = 0 is 9. If the other root is n, what is n−m?
Tuesday, May 21, 2013 at 10:50am

Math (Algebra)
f(x) is a cubic polynomial that satisfies f(1)=f(2)=f(3)=4 and f(0)=0. What is the value of f(7)?
Tuesday, May 21, 2013 at 10:02am

Math
Nora had 20% fewer pictures than Maria. After Nora gave 12 pictures to Maria, she had half as many pictures as Maria. How many pictures did Nora have at first?
Tuesday, May 21, 2013 at 7:37am

math
Find the exact value of 1. tan 75 degrees 2. Cos 15 degrees 3. Sin 105 degrees
Tuesday, May 21, 2013 at 5:39am

math
Two pieces of wire are stretched from the top M, of a vertical pole to the points L and N on the horizontal ground, The angle of depression of L from M is 65 degrees. N is on the opposite side of the pole (from L) at an angle of depression of 72 degrees from M. N is 4m from ...
Tuesday, May 21, 2013 at 5:37am

math
Dave walked from point A to point B due North East for a distance of 20m. He immediately changed direction and walked 50m from B to C on a bearing of 110 degrees. i. Calculate the distance AC ii. Find the bearing of C from A
Tuesday, May 21, 2013 at 5:28am

math
Dave walked from point A to point B due North East for a distance of 20m. He immediately changed direction and walked 50m from B to C on a bearing of 110 degrees. i. Calculate the distance AC ii. Find the bearing of C from A
Tuesday, May 21, 2013 at 5:26am

Math (Probability)
Bret and Shawn are playing a game where each turn the players roll a 20-sided die fair and then add the number they get to their score. The winner is the player with the highest score at the end of the game (there may be a tie). Before the last turn, Shawn is winning by 10 ...
Tuesday, May 21, 2013 at 1:37am

Math (Algebra)
A number is called algebraic if there is a polynomial with rational coefficients for which the number is a root. For example,√2 is algebraic because it is a root of the polynomial x^2−2. The number √2+√3+√5 is also algebraic because it is a root ...
Tuesday, May 21, 2013 at 1:34am

Math (Combinatorics)
Six boxes labeled 1,2,…,6 are arranged in a line. Seven identical balls are to be placed into the boxes such that for any 1 ≤ k ≤ 6, there are at least k total balls amongst boxes 1,2,…k. How many different placements of the balls into the boxes are ...
Tuesday, May 21, 2013 at 1:28am

Math- 5th grade
Shauna baked bread rolls to sell at a school fair. 2/5 of the rolls were chocolate rolls, 1/3 were raisin rolls, 1/4 of the remainder were strawberry rolls, and the rest were vanilla rolls. What fraction of the rolls were vanilla rolls?
Tuesday, May 21, 2013 at 1:03am

Math
Mrs. Thomas bought 5 kg of flour. She used 1/5 of it to make muffins and 1/5 of the remainder to make cookies. How much flour did she have left?
Tuesday, May 21, 2013 at 1:00am

math
The probability of an event is 20%. how many times should you expect the event to occur in the given number of trials? 1.15 trials 2. 40 trials 3. 75 trials 4. 120 trials
Monday, May 20, 2013 at 11:14pm

math
convert 2.37 with a reoccurring 37 into a decimal
Monday, May 20, 2013 at 11:03pm

Precalc Math
Suppose you want to end up with \$5,000 in a bank account after 4 years earning a rate of 3.5% compounding monthly. How much would you have to initially invest? Round to the nearest dollar. Thanks a lot in advance!! :)
Monday, May 20, 2013 at 10:32pm

math
4x^2+24x+128y-988=0 in standard form
Monday, May 20, 2013 at 9:42pm

Math
Sara is 24 years younger than Joe. Six years ago she was half as old as he was. How old is each now?
Monday, May 20, 2013 at 9:27pm

Math-HELP PLEEEEAAASE
The volume of a cuboid is 1200cm^3, if the length is 20 cm, give two other pair of values that could be used for its width and height.
Monday, May 20, 2013 at 9:10pm

math
1. the speed of light is 8.0x^8m/s in standard form that is? 2. the average size of a virus is 2x 10^-10 nanometers in diameter. how to write the number(s) given scientific notation in standard form. thank you
Monday, May 20, 2013 at 9:07pm

math
The lemonade recipe calls for 2 tablespoons or 1 ounce of food coloring for every gallon. How many cups of food coloring are there in 16 gallons of lemonade? Please help me and expalin.
Monday, May 20, 2013 at 8:44pm

Math
Reasoning To measure the length of a closet, Aaron used his foot and measured 6 foot-lengths. His father measured 4 foot-lengths. Could they be measuring the same closet? Explain.
Monday, May 20, 2013 at 8:31pm

math
Mr.Edwards is now three times as old as his daughter, in 15 years' time the sum of their ages will be 86. a.)How old are they both now? b.)How old was Mr.Edwards when his daughter was born? Write and solve an algebraic equation or inequality for this problem.
Monday, May 20, 2013 at 8:08pm

7th grade math
Hello there! I am totally confused what does x = 4x+3+2x= 54/9 Thank you ;) & please help me!?!
Monday, May 20, 2013 at 7:45pm

Math
lee and his family are planning a hiking trip on the Appalachian trail. they are packing food in 2lb bundles. how many bundles can they make with 36 lb of food? write a number sentence to help you solve this problem.
Monday, May 20, 2013 at 7:40pm

7th Grade Math
A pentagonal prism has dimensions that are four times the dimensions of a similar pentagonal prism. So its volume is _____times the volume of the smaller prism. A) 64 B) 8 C)16 D)4 Would it be A) 64? Next Question: If the dimensions of a cylinder are doubled the surface area ...
Monday, May 20, 2013 at 7:21pm

Math
A fence is 20 ft long. it has posts at each end and at every four feet along its length. how many fence posts are there? Draw a picture.
Monday, May 20, 2013 at 7:16pm

Math
13. 3/4 divided by 7/12= 1 2/7 14. 9/10 divided by 9=1/10 15. 2/3 divided by 5/8=1 1/15 16. 4 divided by 7/9= 5 1/7
Monday, May 20, 2013 at 6:49pm

Math
5. 1/3 divided by 2/5=5/6 6. 1/9 divided by 1/2=2/9 7. 2/3 divided by 1/4=2 2/3 8. 1/2 divided by 3/4=2/3 9. 4/5 divided by 2=2/5 10. 4/5 divided by 1/10=8 11. 5/12 divided by 5/6=1/2 12. 9/10 divided by 3= 3/10
Monday, May 20, 2013 at 6:26pm

7th grade math help
Hi I need help on how many outcomes are possible for these? For breakfast choices possibilities. I tried, but I feel like I am not getting it. Coffee (c) orange Juice (o) scarmabled (s) hard boiled (h) poached (p) bagel (b) toast (t) Please help??
Monday, May 20, 2013 at 6:26pm

Math
Fantasia Florist Shop purchases an order of imported roses with a list price of \$2,375 less trade discounts of 15/20/20. What is the dollar amount of the trade discount? Answer: 1306.25 4. Using your answer to the question above, what is the net dollar amount of that rose ...
Monday, May 20, 2013 at 5:47pm

Math
9. 5/6 divided by 1/3=2 1/2 11. 1/2 divided by 3/5= 5/6 13. 7/12 divided by 5/6=7/10 15. 3/8 divided by 9= 3 3/8 17. 2/5 divided by 4/7=7/10 19. 6/7 divided by 3/11= 3 1/7 21. 5/6 divided by 5/12=2 23. 7/9 divided by 1/7= 5 4/9 25. 3/5 divided by 9/11=11/15
Monday, May 20, 2013 at 5:45pm

Math
What is the net price factor for trade discounts of 25/15/10? Answer: .57375 Just checking my homework answers
Monday, May 20, 2013 at 5:45pm

Math, Please help!
I'm having a hard time in math, and every time I start my test my eyes glaze over. Can anyone please help me out? (9m+6)+(-5m-6) (3r^2+7r+1)+(4r^2-8r-2) (6h+1)-(9h+4) (-7w^2-2w-1)-(-5w^2 +3w-2)
Monday, May 20, 2013 at 5:31pm

Math, Please help!
I'm having a hard time in math, and every time I start my test my eyes glaze over. Can anyone please help me out? (9m+6)+(-5m-6) (3r^2+7r+1)+(4r^2-8r-2) (6h+1)-(9h+4) (-7w^2-2w-1)-(-5w^2 +3w-2)
Monday, May 20, 2013 at 5:04pm

math
Zaid will travel from Boston to Washington, D.C. If the trip is 600 miles, about how fast will he have to go to get there in 10 1/2 hours?
Monday, May 20, 2013 at 5:04pm

math
A balloonist leaves the ground and ascends 52 ft into the air, releases air, and descends 27 ft. Then, she turns on the gas burners again and ascends 71 ft. What is her height above the ground?
Monday, May 20, 2013 at 4:32pm

algebra
The class average on a math test was 75.5 and the standard deviation was 4.2. Find the z-score for a test score of 81
Monday, May 20, 2013 at 3:58pm

math
. I am thinking of a whole number. If I divide it by 13, then multiply the answer by 12, then subtract 20, and then add 89, I end up with 93. What was my original number?
Monday, May 20, 2013 at 3:19pm

math
1. nathan is climbing 25ft ladder oeaning against a tree. the foot of the ladder is 15ft from the base of the tree, what is the measure of the angle the ladder makes with ground. 2.erin is flying an plan at 3000 ft high, she sees her house at 32 degrees angle of depression ...
Monday, May 20, 2013 at 3:06pm

Math help needed
1. x^9 over x^2 (1 point) x^11 x^7 7 x^5 2. H^14 over h^5 (1 point) h^-9 1 over h^9 h^19 h^9 3. 4^4 over 4^6 (1point) –16 16 1/16 –1/16 4. 50 (1 point) 0 5 1 –5 Please I barely understand this but Ima try to put in what I think it is. MY answers: 1. x^11 2. h^19...
Monday, May 20, 2013 at 2:59pm

math
How many different rectangular prisms can you make with volume 24 cm3? Sketch each prism you find. Label each sketch with the dimensions. How do you know the prisms are different?
Monday, May 20, 2013 at 2:42pm

Math- Precalculus
Write the expression as the sine, cosine, tangent of an angle (in radians.) (tan(pi/5)-tan(pi/3))/(1+tan(pi/5)tan(pi​/3))
Monday, May 20, 2013 at 2:19pm

Math
Natureland Garden Center buys lawn mowers that list for \$679.95 less a 30% trade discount. What is the dollar amount of the trade discount? Answer: 203.99 What is the net price of each Natureland Garden Center lawn mower? Answer: 475.96 Just want to make sure my answer is ...
Monday, May 20, 2013 at 2:18pm

Math 208
nico is saving money for his college education. He invests some money at 6%, and \$1400 less that that amount at 5%. The investments produced a total of \$172 interest in 1 yr. how much did he invest at each rate?
Monday, May 20, 2013 at 1:46pm

business math
three of every seven sales tranactions at dallar discount are credit what percent of the tranaction are not credit sales?(round to nearest tenth)
Monday, May 20, 2013 at 1:31pm

math
Kathy DesMaris has a rectangular field that is 644 feet wide. One portion of the field is 5x feet long. The other portion of the field is 8y long. Use the distributive property to find an expression for the area of this field.
Monday, May 20, 2013 at 11:10am

Math
What is the net price factor for trade discounts of 25/15/10? Use the net price factor you found in the previous question to find the net price of a couch listed for \$800.
Monday, May 20, 2013 at 10:03am

Math
Fantasia Florist Shop purchases an order of imported roses with a list price of \$2,375 less trade discounts of 15/20/20. What is the dollar amount of the trade discount?
Monday, May 20, 2013 at 10:02am

Math
What is the net price of each Natureland Garden Center lawn mower?
Monday, May 20, 2013 at 10:02am

Math
Natureland Garden Center buys lawn mowers that list for \$679.95 less a 30% trade discount. What is the dollar amount of the trade discount?
Monday, May 20, 2013 at 10:01am

Math
How do you create a stem and leaf plot using data from a bar graph?
Monday, May 20, 2013 at 10:00am

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