Monday
April 27, 2015

Homework Help: Math

Branches of Math

Recent Math Questions

7th grade math
1. Evan withdrew a total of $160 from an ATM machine over a 4-day period. He withdrew the same amount of money each day. a. Write an expression to represent the total amount that Evan's account changed each day. Ans: 4d b. What integer represents the total amount that Evan...
Tuesday, March 24, 2015 at 9:39am

math
Assume that you have to select some of the applicants for registration in some particular academic programme. Also assume that there happens to be a tie among two students having the least score. One of them has 85 marks out of 100 in the eligibility course, while the other ...
Tuesday, March 24, 2015 at 6:40am

Needs help in math
1. During a triathlon, Sharon swims 1/4 of the total route and cycles 3/5 of the remaining route. She runs the rest of the route. If she runs 3600 meters, find the total distance of the triathlon route. 2. A square foot of wall space needs 1/8 quart of paint. Terrence has 7 ...
Tuesday, March 24, 2015 at 6:04am

Math
Clayton wants to be a musician. After school one afternoon, he spends half his time practicing the drums and 3/4 of the remaining time on homework and dinner. He spends the remaining 3/4 hour talking with and texting friends. How long did he practice the drums?
Tuesday, March 24, 2015 at 2:00am

math
Mark plays basketball and he scored 6 times in 8 shots. He says odds in favour of him scoring are 3:4 is he right? Explain. I said he is wrong because 6/8=3/4 which is the probability and the odds in favour for him scoring are 3:1. Am I right?
Tuesday, March 24, 2015 at 1:29am

math
The equation of a certain line, when written in general form, is 5x+3y+7=0 . The slope of the line is m , the y-intercept of the line is b , and x-interept of the line is x1 . what is the Value of m*b*x1 ?
Tuesday, March 24, 2015 at 1:22am

math
When the equation of a line is written in general form, Describe the Slope of the line when A=0 or and B=0 ? Thanks!
Tuesday, March 24, 2015 at 12:58am

math
draw two figures such that the first one has a greater perimeter but smallaer area than the second
Monday, March 23, 2015 at 11:12pm

MATH
Q. A farmers in Alberta often deliver wheat to grain elevators using grain truck, which are a type of dump truck. A farmer make two trips to a grain elevator. The grain elevator manager measures the combined mass of the farmer's truck and wheat in tonnes (t), and then ...
Monday, March 23, 2015 at 11:06pm

Math
Ricardo spends 8/9 hour reading the newspaper. He spends 1/4 of the time reading the world news and splits the remaining time equally between the sports news and the comics. How much time does he spend reading the comics?
Monday, March 23, 2015 at 9:45pm

Math
Julia spends 5/9 of her vacation at summer camp. She spends 3/4 of the remaining time at her grandparent's home. The remaining 7 days she spends at the seashore with her family. How many days of summer vacation does she get each summer?
Monday, March 23, 2015 at 9:29pm

Math
Q. Ted's dad agreed to take out the eight players on Ted's basketball tea, for ice cream sundaes. Each of the players ordered an ice cream sundae for $2.49. What was the total bill? - A. Do I just mulpite 8 by $2.49?
Monday, March 23, 2015 at 8:41pm

math
The rectangle pictured consists of two squares placed side by side. The perimeter of the rectangle is 60 cm. What is the number of square centimeters in the area of the rectangle?
Monday, March 23, 2015 at 8:38pm

Math
Directions: Use the following matrix to perform the elementary row operations sequentially. A=[3 2 |8] [5 2 |12] 1.) (1/3) R1 From the original matrix 2.) -5R1+R R2 From matrix in question 1.
Monday, March 23, 2015 at 8:27pm

Math
after pulling into a parking spot, ms. Felix backed her car up 2 ft. write an expression with absolute value to show the distance she traveled after pulling into the parking spot
Monday, March 23, 2015 at 7:54pm

math
A 2 inch by 2 inch square has its area increased by 21 square inches producing a new square. How many inches long is a side of the new square?
Monday, March 23, 2015 at 7:50pm

math
An 8-inch by 8-inch square is folded along a diagonal creating a triangular region. This resulting triangular region is then folded so that the right angle vertex just meets the midpoint of the hypotenuse. What is the area of the resulting trapezoidal figure in square inches?
Monday, March 23, 2015 at 7:31pm

math
At the end of the summer, Walgreens advertised blow-up pools for 66% off the regular price. Jeff Jones saw a pool with a regular price of $49.99. What is the dollar markdown? A. $33.99 B. $39.29 C. $32.99 D. $33.39
Monday, March 23, 2015 at 7:23pm

Math
"An office building is in the shape of a right rectangular prism wit height 200m, length 60m and width 40m. The top quarter of each vertical face of the building is to be covered with a large banner. What is the total surface area to be covered with banners?" I don&#...
Monday, March 23, 2015 at 7:16pm

Math
The two straight lines 3y + 2x - 7= 0 and 2y =x -7 intersect at the point P.(a) Find the coordinates if P. (B) Q is the point (-9,2).Find (1) the distance PQ. (2)the equation of PQ.
Monday, March 23, 2015 at 7:16pm

Math
Mrs. Nickels want to divide her 23 students into teams of 4. Is this reasonable?
Monday, March 23, 2015 at 7:16pm

Math
look for a pattern. write the missing numbers. 3, 7, 11, blank, blank, blank, blank, 31, 35.
Monday, March 23, 2015 at 7:06pm

math
15 friends want to order pizza for dinner. They predict that each person will eat 1/3 of a pizza. How many pizzas should they order? Do divide 3/15
Monday, March 23, 2015 at 7:03pm

Math
look for a pattern. write the missing numbers. 3/4, 6/4, 12/4, blank, blank, blank, blank, 384/4, 768/4.
Monday, March 23, 2015 at 6:45pm

math
Ted takes out a student loan to pay for his college tuition this year. Find the interest on the loan if he borrowed $2,500 at an annual interest rate of 6% for 15 years. What is the formula to figure this out ?
Monday, March 23, 2015 at 6:44pm

Math
I have a line plot ranging from 0-15. The numbers represent the "number of books read by students." There are no students in 0-1-11-14 or 15. What would the median number of books read by students be? My "incorrect" answer was 7.5! Please help and expain. ...
Monday, March 23, 2015 at 6:34pm

math
Tim sells sneakers. He receives $9.75 an hour and 3% commission on sales. One week he works 24 hours and his sales total $1,879.95. What are his total earnings for the week ? Please help
Monday, March 23, 2015 at 6:02pm

math pls help me
(-2y + 5 )(y + 3) what would this simplify to? A)-2y^2 + 8y + 15 B)-2y^2 - y + 15 C)2y^2 + 8y + 8 D)2y^2 - y + 8 pls help me steve or damon or ms sue
Monday, March 23, 2015 at 5:46pm

Math
Cafeteria Lunch Buffet A cafeteria lunch buffet has the salads shown. 6 chicken salads 10 egg salads 8 tuna salads p pasta salads The cafeteria workers plan to make twice as many fruit salads as tuna salads and pasta salads combined. Part A Using p to represent the number of ...
Monday, March 23, 2015 at 5:44pm

Math
Cafeteria Lunch Buffet A cafeteria lunch buffet has the salads shown. 6 chicken salads 10 egg salads 8 tuna salads p pasta salads The cafeteria workers plan to make twice as many fruit salads as tuna salads and pasta salads combined. Part A Using p to represent the number of ...
Monday, March 23, 2015 at 5:27pm

math
If a emery has 10 3- pound books, how many 2-pound books does he have
Monday, March 23, 2015 at 4:52pm

Math
Malcolm is downloading a file that is 50.4 mb. His Internet connection had a download speed of 1.2 mb per seconds. Write an equation to find it the time in seconds it will take to download the file
Monday, March 23, 2015 at 4:48pm

Math help check
8t^5 x 8t^5 A)64t^25 B)64t^10 C)16t^10 D)16t^5 can u pls help me ms sue, damon, or steve, or reed.pls help me
Monday, March 23, 2015 at 4:34pm

Math
The front wheel of the worlds largest bicycle has a diameter of 3.05 metres. How many times will this wheel revolve in 1 kilometre?
Monday, March 23, 2015 at 4:28pm

Math
There are 250 students in a school auditorium. 95 of the students are 6th graders. What percent of the students are 6th graders?
Monday, March 23, 2015 at 4:05pm

math
Michael ate 1/4 of a pizza and his brother ate 3/8 of the same pizza . How much of the pizza was left?
Monday, March 23, 2015 at 3:02pm

math
I need help now 2 what is likely go have a mass close to 3 kilograms a small feather a cat a grown elephant or a peach 3 a bean plant was 1.5 meters high a week ago in 7 days it grew 15 centimeters how high id the bean plant now if a pool was 28 feet long and 23 feet wide If I...
Monday, March 23, 2015 at 2:30pm

math
I need help with this please it is urgent! : ok so 1 what are accomplishments of the Incas? 2 what did not contribute to the Spanish victory over the Aztecs. 3 the first European colonies to win independence4 in the Americas was, 4 two leaders that contuted to the independent ...
Monday, March 23, 2015 at 2:27pm

Math
A triangle has vertices at S(1, 1), T(2, -3) and U(4, 0). The triangle is translated up 3 units. What are the coordinates of the vertices of the image? 1. S(4, 1), T(5 -3) and U(7, 0) 2. S(1, 4), T(2, 0) and U(4, 3) 3. S(1, 4), T(2, -3) and U(4, 0) 4. S(1, -2), T(2, -6) and U(...
Monday, March 23, 2015 at 2:15pm

math
An isosceles, obtuse triangle has one angle with a degree measure that is 50% larger than the measure of a right angle. What is the measure, in degrees, of one of the two smallest angles in the triangle? Express your answer as a decimal to the nearest tenth.
Monday, March 23, 2015 at 2:10pm

math
Verify that the function satisfies the three hypotheses of Rolle's Theorem on the given interval. Then find all numbers c that satisfy the conclusion of Rolle's Theorem. (Enter your answers as a comma-separated list.) f(x) = 5 − 6x + 3x2, [0, 2] can someone ...
Monday, March 23, 2015 at 1:53pm

math
aaron made a scalw drawing of his bedroom he used the scale 1/4 inch = 1 foot the length of his bedroom in the drawing is 5 inches what is the actual length of his room ?
Monday, March 23, 2015 at 1:17pm

Math
Divide the polynomial. (16x^5y^4 + 6x^3y - 2x^2y - 24x^2y^4) by -2x^2y
Monday, March 23, 2015 at 12:13pm

math
James has a model heicopter. the model is 8 inches long and 7 inches wide. the actual helicopter is 56 inches long. what is the helicopter's actual width, if we assume the model's proportions are accurate? 40 inches 49 inches@@@@ ^&^^^^^^^^^^^^ 56 inches 60 inches
Monday, March 23, 2015 at 9:16am

math
If sec θ = 5/3, find cot θ no idea how to start can anyone nudge me in the right direction? Or maybe a link that explains this?
Monday, March 23, 2015 at 8:04am

math
Assume that on a week day one telephone number out of every ten being called is busy.If 6 randomly selected numbers are called what is the probability that at least three of them will be busy?
Monday, March 23, 2015 at 7:58am

Math
f a contractor pays an average wage of $20.00 per hour and wants to make a 15% mark-up on the cost of labour, what will the contractor charge as an average labour cost on contracts?
Monday, March 23, 2015 at 2:17am

Math
Vera's clock runs fast so that the clock's hands move ahead an extra 10 minutes every hour. If she sets the clock correctly at 12:00 noon on one day, what time will the clock show the next day at 12:00 noon?(1 day =24 hours) Do I set up an equation for this, or use ...
Monday, March 23, 2015 at 1:59am

math
what is the area of a irregular figure
Monday, March 23, 2015 at 12:12am

math
If m=n,then m−n = n−m = 0. Give a counterexample to show that the conditional is false
Sunday, March 22, 2015 at 11:09pm

math
Find the angle of inclination of the equation 3x+2y+4=0
Sunday, March 22, 2015 at 11:07pm

math
The height of a baseball (h) in meters (t) seconds after it has been tossed out a window is given by the equation h= -5t^2 + 20t + 15. A boy shoots at the baseball with a trajectory of h= 3t +3. Will the paintball hit the baseball? If so at what height and time?
Sunday, March 22, 2015 at 10:55pm

Math
In a marketing survey involving 1,000 randomly chosen people, it is found that 630 use brand P, 420 use brand Q, and 210 use both brands. How many people in the survey use brand P and not brand Q? Answer choices: 210 people 420 people 630 people none of these is it 630?
Sunday, March 22, 2015 at 10:32pm

Math
How much more would there be at the end of 8 years if $4000 were invested at 14% compounded quarterly rather than semiannually? (Round your answer to the nearest cent.)
Sunday, March 22, 2015 at 9:21pm

Math
I had a table of values. X / Y -3/ 2.5 -2/ 5 -1/ 6.5 0 / 7 It asks without graphing. Does it open upward or downward. I got that in the quadratic equation. a= -0.5 And if a is smaller than 0. It opens downward However. The text book says it opens upward. So I'm confused
Sunday, March 22, 2015 at 8:50pm

Math
Pydrotinces comes in 50 mg/mL. A child is to get 2 mg. The volume in a miniscule of 0.04mL, which is really had to measure. Prepare a dilution so that final concentration is 5mg/mL. How much diluent well you need is the original products is 50mg/mL and you dilute the entire ...
Sunday, March 22, 2015 at 8:29pm

Math
a plane traveling at 400 mph leaves the philadelphia airport at 1pm heading due east. two hours later a second plane traveling at 600 mph leaves the airport heading in the same direction. at what time does the second plane overtake the first?
Sunday, March 22, 2015 at 8:29pm

Chemistry
I found this on the internet and I need an explanation. Q: You want to make sure a large weather balloon does not burst and wish to check the temperature at 3000 meters altitude. The balloon manufacture guarantees the balloon up to 60.0 Liters in size. Will the balloon make it...
Sunday, March 22, 2015 at 8:15pm

Math
Is this correct- 5 squared + 8 divided by 2 = 29
Sunday, March 22, 2015 at 7:51pm

math
If you have a bag of alphabet tiles that contains one tile for each letter of the alphabet. What is the probability that you will pull a vowel?
Sunday, March 22, 2015 at 7:48pm

math
2 lines are given by kx+6y-5=0 and 3x+2y+4=0 if they are parrallel what is the value of k
Sunday, March 22, 2015 at 7:29pm

Math
There are 47 students in the marching band. There are 5 students in te first row, and the rest are in equal rows of 6. How many students are in each of the 6 rows?
Sunday, March 22, 2015 at 6:58pm

Math
Horses are measured in units called hands. One hand equals 1/3 foot. A horse is 5 1/3 feet tall. How tall is this horse in hands?
Sunday, March 22, 2015 at 6:27pm

Math
1. In the xy-plane, a circle has its center at the point with coordinates (4,3), and the origin lies on the circle. The point with which of the following coordinates also lies on the circle? A. (-4,-3) B. (3,4) C. (6,8) D. (7,7) E. (9,8) How do you do this?
Sunday, March 22, 2015 at 5:45pm

math
Mr Lopez is putting a fence around his vegetable garden.The garden is shaped like a rectangle.The longer sides are 14 feet long and he shorter sides are 9 and a half feet long.How much fencing should he buy?
Sunday, March 22, 2015 at 5:45pm

Math
1. A door has a lock with a 5-digit keypad. To unlock the door, a person must enter a passcode consisting of three different digits, with each digit entered in the correct order. What is the probability that a randomly chosen passcode consisting of three different digits ...
Sunday, March 22, 2015 at 5:05pm

math
Sara wants to increase her training so that she does 70 sit-ups in week 2. Type an equation that shows how many more sit-ups Sarah would have to do in week 2 my answer is 65+t=70 the value of the t=5
Sunday, March 22, 2015 at 3:39pm

Math
1. Rishi ram obtained an installment loan for $3,000.00. He agreed to repay the loan in 6 monthly payments. His monthly payments is $516.50. What is the APR? MY ANSWER=0.33% 2. Tim Newman took out a simple interest loan of $1500 at a 10 percent interest for 12 months. After 4 ...
Sunday, March 22, 2015 at 2:57pm

Math
Hi. I have a few math questions I need some help with. Hamid Husain took out a $50,000, 5-year term policy at age 50. The premium per $1,000 was $4.80. He will be 55 years old this year. The premium per $1,000 will be $6.58. What is the percent increase? MY ANSWER 37.0833% (...
Sunday, March 22, 2015 at 2:55pm

math
A group of 15 of your friends wants to go to a concert. Unfortunately, you only have 10 tickets available to give to your friends. How many different groups of friends could you take to the concert?
Sunday, March 22, 2015 at 2:21pm

math
six cards are numbered 1 1 6 7 11 and 12 cards are chosen without replacement until a card number 1 is chosen. find the probability that this happens before the third card is chosen
Sunday, March 22, 2015 at 2:19pm

Math
A rectangular house measures 75ft by 50ft. Find the cost of installing gutters around the house if the cost is $4per foot?
Sunday, March 22, 2015 at 2:00pm

Math
What is the final volume of 100ml,2 oz, and 1 tsp ?
Sunday, March 22, 2015 at 12:00pm

math
Kool Klothes has determined that the revenue function for selling x thousand pairs of shorts is R(x) = -5x^2 + 21x. The cost function C(x) = 2x + 10 is the cost of producing the shorts. a) How many pairs of shorts must the company sell in order to break even
Sunday, March 22, 2015 at 10:51am

Math
Alicia has a flat platter shaped like a square with a semicircle of diameter 10 inches on each edge, as pictured. What is the number of inches in the side length of the smallest square ABCD that can contain the platter? I drew a diagram so far, but I don't know what to do ...
Sunday, March 22, 2015 at 9:45am

math
Squares of side x units are cut of the corners of a square piece of cardboard of side 6 units. The sides are then folded to make an open box. Calculate the volume of the box in terms of x.
Sunday, March 22, 2015 at 9:33am

math
3 times 2 and 2/5
Saturday, March 21, 2015 at 9:55pm

Math
Kool Klothes has determined that the revenue function for selling x thousand pairs of shorts is R(x) = -5x^2 + 21x. The cost function C(x) = 2x + 10 is the cost of producing the shorts. a) How many pairs of shorts must the company sell in order to break even
Saturday, March 21, 2015 at 9:47pm

math
For what values of k does the line y= x + k pass through the circle defined by x^2 + y^2 = 25 at: a) 2 points b) 1 point c) 0 points
Saturday, March 21, 2015 at 8:54pm

MATH
for what value(s) of k does the equation kx - 10 - 5x^2 have: a) one real solution b) two distinct real solutions c) no real solution
Saturday, March 21, 2015 at 8:53pm

math
The function h(t)= 2 + 50t - 1.862t^2, where h(t) is the height in metres and t is the time in seconds, models the height of a golf ball above the planet Mercury's surface during its flight. a) What is the maximum height reached by the ball b) How long will the ball be ...
Saturday, March 21, 2015 at 8:51pm

Math
Hi! My teacher wanted me to sketch the graph of solution set of each system. For the first question, she wants me to use the slope intercept form and the second question using a table of values, but, I'm a little lost. Can someone help? Thanks! 1.) 3x + 2y < 6 x > 0 ...
Saturday, March 21, 2015 at 7:52pm

math
Point X is on side of line AC of triangle ABC such that <AXB = <ABX, and <ABC - <ACB = 39 degrees. Find <XBC in degrees.?
Saturday, March 21, 2015 at 7:40pm

Math
1. Rishi ram obtained an installment loan for $3,000.00. He agreed to repay the loan in 6 monthly payments. His monthly payments is $516.50. What is the APR? MY ANSWER=0.33% 2. Tim Newman took out a simple interest loan of $1500 at a 10 percent interest for 12 months. After 4 ...
Saturday, March 21, 2015 at 7:36pm

math
A box contained some red, blue, and green markers. For every 5 red markers, there were 2 blue markers. For every 3 blue markers, there were 5 green markers. a.​​Find the ratio of red markers to blue markers to green markers. b.​When 6 red markers were removed...
Saturday, March 21, 2015 at 7:31pm

math
There are 32 more apples than oranges in a box. 3/5 o​f the oranges and 1/3 o​f the apples are overripe. If the number of overripe apples and the number of overripe oranges are the same, how many pieces of overripe fruit are there?
Saturday, March 21, 2015 at 7:30pm

Math help check
Which polynomial does the model represent? The model shows 1 black square block, 2 white thin blocks, 1 black thin block, 1 white small square block, 3 black small blocks. a –x³ + 2x² – 3x + 2 b. x² + x – 2 c. –x² – x + 2 d. –x...
Saturday, March 21, 2015 at 6:26pm

Math check
1.(2x)(10x) A)20x* B)12x C)20x^2 D)5x 2.-3m(m + 8) A)-3m^2 + 24 B)-3m^2 - 24m C)-24m D)-4m + 5* 3. 4d(2d-9) A)8d - 36d* B)-d C)-28d^2 D)8d^2 - 36d 4. (3x + 4)(x-2) A)3x^2 - 2x - 8 B)x - 8 C)3x - 2x - 8* D)3x^2 + 2x + 8 5. (2y - 1)(4y - 3) A)-2y + 3* B)8y^2 - 10y - 3 C)8y^2 - ...
Saturday, March 21, 2015 at 5:41pm

Math
1. Michael Koepler received his bank statement and canceled checks for October. His previous balance was $998.41. In October, he deposited $177.00 and wrote checks totaling $378.00. What was the ending balance for that month? MY ANSWER- I am unsure if the answer is $797.41 or...
Saturday, March 21, 2015 at 5:08pm

math
What would be the final cost of a theater ticket that cost $6.00 and a discount rate of 15 percent was added to it?
Saturday, March 21, 2015 at 3:26pm

Math
Amanda Sabino's taxable income is $20,900.00. How much will she pay in state tax? Tax Table- First $2,000: 2.0% rate Next $4,000: 3.0% rate Next $4,000: 4.5% rate Over $10,000: 6.0% rate My answer-$1254 Am I correct? Thank you!!
Saturday, March 21, 2015 at 2:45pm

Math
Hello I need some help with these questions. A survey of 115 children found that 39 liked The Little Mermaid 43 liked 101 Dalmatians 56 liked Mickey Mouse 7 liked The Little Mermaid and 101 Dalmatians 10 liked The Little Mermaid and Mickey Mouse 16 liked 101 Dalmatians and ...
Saturday, March 21, 2015 at 2:41pm

Math
A document that measures 28 centimeters by 20 centimeters is enlarged by a scale factor of 3/2. What are the dimensions of the enlarged documents?
Saturday, March 21, 2015 at 2:32pm

math
adult tickets are $17, student tickets are $9. how many adult and student tickets need to be sold to make a profit of $4,400?
Saturday, March 21, 2015 at 1:53pm

Math
Hi! My teacher wanted me to sketch the graph of solution set of each system. For the first question, she wants me to use the slope intercept form and the second question using a table of values, but, I'm a little lost. Can someone help? Thanks! 1.) 3x + 2y < 6 x > 0 ...
Saturday, March 21, 2015 at 12:40pm

math
Solve the initial value problem d^2x/dt^2+2dx/dt-3x = 0, x(2π) =1, x(2π) = 13
Saturday, March 21, 2015 at 12:35pm

math
Rectangle WXYZ is drawn on triangle ABC, such that point W lies on segment AB, point X lies on segment AC, and points Y and Z lies on segment BC, as shown. If <BWZ=26 degrees and <CXY=64 degrees, what is<BAC, in degrees?
Saturday, March 21, 2015 at 12:24pm

math
ABC is an isosceles triangle inscribed in a circle. If AB and AC equal to 2.5cm and BC is 14cm find the radius of the circle
Saturday, March 21, 2015 at 11:54am

math
Assume that on a weekday one telephone number out of every ten being called is busy. If 6 randomly selected numbers are called what is the probability that at least three of them be busy?
Saturday, March 21, 2015 at 11:50am

math
If a power failures occur according to a poisson distribution with an average of 3 failures every twenty weeks,calculate the probability that there will not be more than one failure during a particular week.
Saturday, March 21, 2015 at 9:40am

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