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July 24, 2014

Homework Help: Math

Branches of Math

Recent Math Questions

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Math Help
The length of Joe's rectangular garden is 1 meter less than twice its width, and its area is 120m^2. Find the dimensions of the garden by setting up a quadratic equation and define its variables.
Tuesday, May 13, 2014 at 2:01am

Math
2. A rectangle whose perimeter is 80 m has an area of 384 m^2. Find the dimensions of the rectangle. Solve it as a polynomial.
Tuesday, May 13, 2014 at 1:09am

Math help practice test
Harvey has 3 pets. On Monday she uses d cans of pet food. On Tuesday she used 6 cans and wed thurs fri she uses 4 cans each day. How many cans does she use during these 3 days. Which number is not needed to solve this problem. 4 3 5 6 And why?
Tuesday, May 13, 2014 at 12:17am

math
Jake and Sara each drive 270 miles to attend a conference. Jake drives at an average speed that is 15 mi/h slower than Sara’s average speed. It takes Jake 1.5 hours longer than Sara to drive the 270 miles. How long does it Jake to make the trip?
Monday, May 12, 2014 at 11:11pm

Math
put in order this fractions 9/9, 2/3, 5/6, 4/12, 0/2 from the smallest to the largest? I dont know how?
Monday, May 12, 2014 at 10:22pm

math
adult tickets to a play are $12 student tickets are only $8 if a theater sells 90 tiickets to a play for a total of $980, how many of each kind of ticket did the theater sell?
Monday, May 12, 2014 at 9:41pm

Math
the average score on a math test for 16 students was 66. six more students took the test. the average of the six was 74. What was the average of all of the students?
Monday, May 12, 2014 at 9:39pm

Math 4 grade
Use the digits 1 though 9 once each. Fill in the 3x3 squares to make the sum of 777. Thanks.
Monday, May 12, 2014 at 9:37pm

math
Compound interest 1800 for 11 years at .06
Monday, May 12, 2014 at 9:24pm

math
Jade ran 6 times around her neighbourhood to complete a total of 1mile. How many times will she need to run to complete 5/6 of a mile?
Monday, May 12, 2014 at 8:59pm

Math-Variance
Orginal Budget Budgeted Volume Budgeted Quantity Budgeted Price 1,000 40.00 $40,000.00 F Flexible Budget Actual Value Budgeted Quantity Budgeted Price 1,200 41.67 $50,000.00 UF Orginal Budget/Flexible Budget Budgeted Volume Budgeted Quantity Budgeted Price 1,000 $40.00 $40,...
Monday, May 12, 2014 at 8:57pm

Math
A square has an area of 13ft^2 To the nearest tenth, what is its perimeter ?
Monday, May 12, 2014 at 8:48pm

Math
Simplify this expression: 11 + (x^3 - 8 / x^2 + 2x + 4) - x
Monday, May 12, 2014 at 8:38pm

business math
Statistics show that the sales force of a certain company successfully closed 352 sales out of 800 sales calls. What was their percent success rate?
Monday, May 12, 2014 at 8:11pm

math
What is the square root of 10?
Monday, May 12, 2014 at 7:47pm

math
how would you graph the linear equation y=3x + 3? Help!!!!!!
Monday, May 12, 2014 at 7:10pm

math
find the constant of proportionality and unit rate for the data in the table. Then write the equation to represent the relationship between time t and distance d Time Distance 2 hrs 90 miles 3 hrs 135 miles 5 hrs 225 miles 6 hrs 270 miles I dont understand how to do this kind ...
Monday, May 12, 2014 at 6:43pm

math
Draw a line with a slope of 1/4 through the point (0,-4) I dont know what to do here.
Monday, May 12, 2014 at 6:30pm

math
Find the slope of the line through (6,2) and (4,-2)
Monday, May 12, 2014 at 6:28pm

MATH 1 QUESTION PLS HELP ASAP!!!!!
3. 5 • 3^n (1 point) a.15, 30, 45, 60 b.5, 15, 45, 135 c.0, 15, 45, 135 d.15, 45, 135, 405 is it a. or b.!!!!!????? i think its b, my parents say b
Monday, May 12, 2014 at 5:53pm

math
The fastest car on earth a Thrust SSC would win every NASCAR race in America. If it takes 0.5 hours to travel 380 miles, what is its speed?
Monday, May 12, 2014 at 5:35pm

math
Tyson handled 150 service calls on his shift yesterday. Of those, 20% resulted in a successful upsell of additional services. If Tyson makes a $6 commission on top of his regular salary for each successful upsell that he makes, how much commission did he make yesterday?
Monday, May 12, 2014 at 5:30pm

math mrs sue help!!!
-4h greater than 7h what can you multiply -4 to be greater than 7 please show your work
Monday, May 12, 2014 at 4:57pm

Math
Let f(x) = 4√(2x^2 - 1). Write an equation of the function obtained by reflecting f(x) in the x-axis and shifting it 56 units upward, do not simplify.
Monday, May 12, 2014 at 4:16pm

math
A store manager paid $45 each for coats. The markup is 65%. For what price should the coats be sold?
Monday, May 12, 2014 at 3:50pm

MATH: TRIG
IF X IS AN ANGLE IN THE FIRST QUADRANT AND COSX= 3/5, FIND THE EXACT VALUE OF SIN2X DONT UNDERSTAND, KNOW THAT THE COSX IS ON A 3,4,5 TRIANGLE
Monday, May 12, 2014 at 3:44pm

math
Bill’s Meat Market did a total business of $59,000 in April. Cost of the meat was $37,500. Expenses amounted to $11,200. In April, what percent of Bill’s Meat Market's gross income was profit? A. About 8.9% B. About 17.5% *** C. About 19.9%
Monday, May 12, 2014 at 3:29pm

math
if 3+x / 7+x = 3/7 + 3/7, then x= what
Monday, May 12, 2014 at 3:09pm

math
if 3+x/7+x= 3/7 + 3/7, then x= what
Monday, May 12, 2014 at 3:03pm

math
if the product of (2+3),(3+4), and (4+5) is equal to three times the sum of 40 and x, then x=what?
Monday, May 12, 2014 at 2:50pm

help with math!
Evonne earns $10.50 per hour for a 40 hour week. She earns time and a half (1 1/2 times the normal $10.50 per hour rate) for all hours worked OVER 40 hours. Answer the following question based on Evonne's information. This week Evonne worked 50 hours, 10 hours overtime. ...
Monday, May 12, 2014 at 2:27pm

math
i want to purchase yards of fabric for a chaise 60" W X 35" D X 35" H
Monday, May 12, 2014 at 2:24pm

Math
Find the length of a field that has a perimeter of 256 meters and a width of 36 meters. please explain the steps
Monday, May 12, 2014 at 1:32pm

math
please help im stuck 8. Use the function rule f(x) equals three x minus 2. Find the output f(one point 5). (1 point)2.5 –2.5 6.5 –6.5
Monday, May 12, 2014 at 1:07pm

Math
The volume of a cone is 78.6 cm^3. If its height is 6 cm, what is the base? Please explain each step
Monday, May 12, 2014 at 12:27pm

math
You need to hire a part-time associate to work 30 hours a week in your store. You have $250 in labor budget for the new associate each week. You just interviewed an excellent candidate for the position who has requested to be paid $9.00 per hour. Your average part-time ...
Monday, May 12, 2014 at 12:05pm

5th grade math
How do you find the dimensions of a box that hold 2xs as many cubes as a box that is 2 by 3 by 4?
Monday, May 12, 2014 at 11:43am

Consumers Math
I don't want the answer to this question, but if someone could please tell me how to work it out, that would be great and I could finish it on my own. Thank you very much:) Question- Your station charges $15.95 for an oil change. As a promotion you sell six coupons for oil...
Monday, May 12, 2014 at 10:44am

math
1.Joanne borrowed RM5000 for 180 days at a discount rateof 8 1/2 %.find the proceeds. 2.A businessman needs RM12000 for four months. What should be the size of the loan if his bank charges a discount rate of 9.5%.
Monday, May 12, 2014 at 7:43am

MATH
1. A factory manufactures two products, each requiring the use of three machines. The first machine can be used at most 60 hours; the second machine at most 30 hours; and the third machine at most 80 hours. The first product requires 2 hours on machine 1, 1 hour on machine 2, ...
Monday, May 12, 2014 at 7:07am

math
Hi, there is a problem on my math book that has been giving me headaches. That's why I'm looking for help. The problem is: Given z and w, two complex numbers such as |z+w|=|z-w|, prove that Arg z - arg w = plusminus (pi/2)
Monday, May 12, 2014 at 3:12am

Math
Water is flowing into a trough at a rate of 100 cubic centimeters per second. The trough has a length of 3 meters and cross sections in the form of a trapezoid, whose height is 50 cm, whose lower base is 25 cm and whose upper base is 1 meter. At what rate is the water rising ...
Monday, May 12, 2014 at 2:11am

Math-Exponential Decay
A lab technician had 58 grams of a radioactive substance. Ten days later, only 52 grams remained. Find the half-life of the radioactive substance.
Monday, May 12, 2014 at 1:45am

math
The deck of a swimming pool had the same width all the way around. The perimeter of the pool is 50m. The outside perimeter of the deck is 74m. What is the width of the deck?
Monday, May 12, 2014 at 1:39am

math
Monique's credit card charges interest of 20.85% per annum on unpaid balances. On her March 12 statement , she had a balance of $739.65. By the due date, she made the minimum payment (5% or $10.00, whichever is greater.). On March 16 she made a purchase of $179.39. a. if ...
Monday, May 12, 2014 at 1:10am

Math
Calculate the interest due on the following credit card balances: A. An unpaid balance of $1629.53 at a rate of 19.50% for 21 days; and B. An unpaid balance of $2639.99 at a rate of 22.95% for 30 days.
Monday, May 12, 2014 at 12:20am

Math
Solve the following 2a(a squared+4a)
Sunday, May 11, 2014 at 11:24pm

math
5x5+5x5+5-5x5=750 How are people getting 30?
Sunday, May 11, 2014 at 10:50pm

math
What is the value of the expression a / uv if a, u, and v are each doubled 1. multiplied by 2 2. multiplied by 3. divided by 2 4. divided by 4 5. left unchanged
Sunday, May 11, 2014 at 10:25pm

math
0.0357 x # = 357 x 2,# = 1. 200 2. 200,000 3. 2,000 4. 20,000 5. 7,140
Sunday, May 11, 2014 at 10:22pm

math
A) which is the better value a 12 ounce jar of honey for $2.25 or an 18 ounce jar of honey for $3.24? B) the supermarket displays the unit price for the 12 ounce jar in terms of cost per ounce, but displays the unit price for the 18 ounce jar in terms of cost per quart. ...
Sunday, May 11, 2014 at 10:04pm

math
Trail mix is sold in 1-pound bags. Mary will buy some trail mix and re-package it so that each of the 15 members of her hiking club gets one 25_ -pound bag. How many 1-pound bags of trail mix should Mary buy to have enough trail mix without leftovers?
Sunday, May 11, 2014 at 9:56pm

math
A architect is designing a house. The scale on the plan is 1 inch=6 feet. If the house is to have a length of 90 feet and a width of 30 feet, how long will the line representing the house's length on the blue print
Sunday, May 11, 2014 at 9:43pm

Math
The function rule C= 10 n + 26 where n = number of people and c = cost of party. Show a table if 27,39 , & 43 people go. My answer is the following n 27 39 43 c 296 416 456
Sunday, May 11, 2014 at 9:09pm

Math
Write a function rule for the following table. x 2 4 6 y 1 0 -1
Sunday, May 11, 2014 at 9:01pm

Math
Is y= -3 x squared +x a quadratic function?
Sunday, May 11, 2014 at 8:52pm

Math!!!
Jim bought 1520 g of beans. He used all the beans to make 16 bean bags. How many hrams of beans did he use for each bean bag? - equation format please!
Sunday, May 11, 2014 at 8:48pm

Math!!!
Equation for - the crafts club made 102 wooden train cars. There are 6 cars to a set. How many sets were made?
Sunday, May 11, 2014 at 8:34pm

math
67=(3-6x)/4.13 (note:its a fraction) (please help)
Sunday, May 11, 2014 at 8:28pm

math
Can u please make an equation for this? : the club members need 686 cm of denim for rag dolls. They need 438 cm of denim for bean bags. How much denim is needed in all?
Sunday, May 11, 2014 at 8:06pm

Math
If you have the following points for X and Y what is the linear function rule? x = 4, 1 y = 2, -4 I think it is 1/2 x but I'm not sure if it is +6 or - 6
Sunday, May 11, 2014 at 7:57pm

Math
Using the table below is it a linear function? x -2, -1, 0, 1, 2 y -7, 1, 8, 17, 25 my answer is that it is a linear function rule: x = -1 y = -8,-9,-7, -8 I think the rule is y= 8 X+8
Sunday, May 11, 2014 at 7:45pm

math
simplify: a)9x+9-1 b)10n-4n c)-8v+6(10+6v) d)7(9k+8)+3(k-10) a)x=? b)n=? c)v=? d)k=? (please help)
Sunday, May 11, 2014 at 7:42pm

Math
Solve for 5 X 3 to the nth,. my answer is 15, 45, 135, 405
Sunday, May 11, 2014 at 6:44pm

Math
An artist is designing the rectangular wire structure with four rectangles drawn inside. The artist has a 12 meter length of wire. If the entire area of the figure is to be maximized, what should be the length of X? I know the formula for area of a rectangle 2(x + y) but, the ...
Sunday, May 11, 2014 at 6:36pm

Math
Is the following sequence a arithmetic,geometric or neither? 1.6, .8, .4, .2 my answer is geometric
Sunday, May 11, 2014 at 6:35pm

math
Aplane is flying at an altitude of 12000m from the pilot the angle of depression tothe airport toweris32 degrees how far is the tower from a point directly beneath the plane
Sunday, May 11, 2014 at 5:49pm

chemistry
Answer the following math questions focusing on significant figures a. 45.3L x 10 mol/L = b. 67.894 g ÷ 2.56 L = c. 45.3m + 12.344m + 1000m – 1.34m = d. 35cm + 8.3m + 75.341 km + 80,000 mm = e. (43.7m + 39.3cm) ÷ 25.332 m/s =
Sunday, May 11, 2014 at 5:45pm

Math
Simplify 4sqrt6/sqrt30 by rationalizing the denominator
Sunday, May 11, 2014 at 5:39pm

math
I have to find the area of a kite. I am only given part of the longest diagonal (12 cm) and half of the other diagonal (9 cm). I know the formula is diagonal 1 times diagonal 2 times 1/2. I have the length for one diagonal which is 18 cm b/c 9+9. How can find the length of the...
Sunday, May 11, 2014 at 4:26pm

math
. The nominal interest rate on your account is 7%; your semi-annually effective rate of interest (APY) will be
Sunday, May 11, 2014 at 2:00pm

Math
A spherical balloon with a surface area of 36pi square inches is inflated further until its diameter has increased by 50%. The surface area of the balloon is now? I know the formula for surface area is A=4pi*r squared. I don't understand how you can figure the problem ...
Sunday, May 11, 2014 at 12:28pm

Math
Canada ranks fifth in the world in the production of gold. By the end of one year, one of Canada's mines had produced about 198 t of gold since it opened. if the annual production averaged 4.5 t, predict the total production by the end of next year and the year after that
Sunday, May 11, 2014 at 12:25pm

Math
A Canadian zoo started with 16 whooping cranes and planned to hatch 20 chicks a year. A few birds were kept for breeding and the rest released into the wild. At the end of last year, a total of 136 cranes had spent some time in the zoo. If the pattern continues, how many ...
Sunday, May 11, 2014 at 11:46am

Math
A spinner numbered 1-10 is spun. what is the probability of spinning a multiple of 3 and a multiple of 2?
Sunday, May 11, 2014 at 9:31am

math
If Tom buys a red skateboard, then Anne buys pink in-line skates." Which statement below is logically equivalent?
Sunday, May 11, 2014 at 2:10am

math
If you needed to make a key business decision, explain what information you would want to review and why.
Saturday, May 10, 2014 at 11:40pm

math
On which of the following types of income would you normally have income tax withheld?
Saturday, May 10, 2014 at 10:55pm

math
2. Over 75% of the revenue received by the federal government is from ____ and ____ taxes. a. sales and income b. income and excise c. Social Security and estate d. estate and sales e. income and Social Security
Saturday, May 10, 2014 at 10:25pm

math
____ income is subject to federal taxes. Gross Adjusted gross Net Taxable
Saturday, May 10, 2014 at 10:22pm

Math Literacy, Business Studies, Economics& Tourism
Im in grd12 and would like to know which available courses are there for these subjects and which career can I get into. #Urgent
Saturday, May 10, 2014 at 9:40pm

math
Over 75% of the revenue received by the federal government is from ____ and ____ taxes.
Saturday, May 10, 2014 at 9:19pm

Math
Simplify so it is one fraction. (8x/(x-8)) - (4/(x-8)) (8x - 4)/(x - 8)?
Saturday, May 10, 2014 at 8:42pm

math need help urgent
Mr. Michaluk has a $50,000 personal (revolving) line of credit with the Canadian Imperial Bank of Commerce (CIBC). The loan is on a demand basis at a floating rate of prime plus 1.5%. On the fifteenth of each month, a payment equal to the greater of $100 or 3% of the combined ...
Saturday, May 10, 2014 at 5:39pm

math
Divide: 12x^2y - 6xy + 4x^2 ____________________ 2xy Thank you!!
Saturday, May 10, 2014 at 4:55pm

Math 6
n ice cream stand sells chocolate, vanilla, and strawberry ice cream as well as a choice of 22 toppings. How many choices are there for a single flavor of ice cream with one topping? How do I do this? is it 46 choices? Am I right?
Saturday, May 10, 2014 at 2:54pm

math 7Probability help
two numbers rolled can be added to get a sum. Find P(sum is even) is it 1/4 ? or 1/2? I think it is 1/4
Saturday, May 10, 2014 at 2:29pm

Math 222
How do you subtract and write 1/2-3/4 in simplest form. I am stuck can anyone help me. this is what i cam up with. 1 3 2 -- - = - 2 4 2 I am not sure if this is correct.
Saturday, May 10, 2014 at 1:59pm

math
at the beginning of the year,Daniel was 62 inches tall. Now he is 66 inches tall. Find the percent of change
Saturday, May 10, 2014 at 12:55pm

Science/Math
A water jet approximately 10ft in length & 6-7 inches in diameter traveling @ mach3.5-4.5 hitting an object traveling @ mach 5, 10-15ft in length with a weight of 2500 lbs can its course of travel be altered, and/or can said object be destroyed completely?
Saturday, May 10, 2014 at 12:27pm

MAth
4.   What is the slope of the line that goes through (6, 5) and (3, 1)?   (1 point) – – 5.   The slope of the line that goes through (−3, −5) and (−3, −6) is ______.   (1 point)
Saturday, May 10, 2014 at 10:33am

math
The average of P numbers is x and the average of N numbers is y. What is the average of all the (P+N)numbers? a. x+y/2 b. x+y c. Py+Nx/xy(P+N) d. x+y/P+N e. Px+Ny/P+N
Saturday, May 10, 2014 at 10:27am

math
If a and b are both positive numbers,and a>b,which of the following could be true? I. ab is greater than either a or b. II. ab is greater than b but less than a. III. ab is less than either a or b. (A) I only (B) II only (C) III only (D) I and II only (E) I,II,and III
Saturday, May 10, 2014 at 10:22am

Math
Solve for the inequality: 1/3^x (1/3^x - 2) < 15 I know the answer is x > - (log 5/log 3), can someone explain me how?
Saturday, May 10, 2014 at 7:13am

Math
Expand (1+y+ky^2)^8 until y^3
Saturday, May 10, 2014 at 1:08am

math
R and T are points on straight line PQ on which PR = RT =TQ. what percent of PT is PQ ?
Saturday, May 10, 2014 at 12:31am

math
If 20 teachers in a faculty of 80 are transferred,what percent of the original faculty remains?
Saturday, May 10, 2014 at 12:29am

Math (Calculus)
Determine the area of the region y=e^x,y=x^3
Friday, May 9, 2014 at 11:50pm

Math
If a circle is inscribed in a triangle with vertex angles 30o - 60o - 90o , then what is the area of the triangle divided by the area of the circle?
Friday, May 9, 2014 at 11:21pm

Math (Calculus)
Use the disc method to find the volume of the solid generated by revolving the region bounded by the graphs of the equations about the indicated line. y=x^3, y=0, x=2 a)the x-axis b)the line x=4
Friday, May 9, 2014 at 11:04pm

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