Saturday
May 30, 2015

Homework Help: Math

Branches of Math

Recent Math Questions

Math
A printing company makes plastic banners 15 ft long by 6 feet wide. How many square meters is the banner? Use 1 foot=0.305meters
Monday, April 27, 2015 at 11:17pm

math
If
Monday, April 27, 2015 at 11:16pm

Math
Look for the probability for an experiment of which requires you to select one card from a standard deck of 52 playing cards. Write your final answer as a fraction in the simplest form of a/b. 1.) P(the card is not a face) 2.) P(the card is a king) 3.) P(the sum is at least 7...
Monday, April 27, 2015 at 11:14pm

Math help!
Hilda has a rectangular garden by the river in front of her house. The area she uses for planting tomatoes is three times as large as that she uses for beets. If she has 270 yards of fencing material to enclose the garden to protect it fro, rodents, will the total area attain ...
Monday, April 27, 2015 at 11:11pm

Math
Manuel earns $400 per week plus a 3% commission on everything he sells. Write and solve and inequality to find out how much he must sell to have a weekly income of at least $700.
Monday, April 27, 2015 at 10:11pm

math
Determine which function has the greater rate of change in questions 1−3 1. x y ------- -1 0 0 1 1 2 2 3 (1 point) The rates of change are equal. The graph has a greater rate of change.*** The table has a greater rate of change. none of the above 2. y = 2x + 7 The slopes...
Monday, April 27, 2015 at 10:02pm

Math 222
Please help me solve this equation? Sorry my addition and equal key does not work. -x^2-3x plus 5 equal 0
Monday, April 27, 2015 at 9:59pm

Math
1. The towns population increased from 80,000 to 90,000 in ten years. What was the percent of increase? I didn't understand this one. 2. A $15 item on sale for $12 is marked down what percent? 20% 3. If Jenna buys and item for 40% off the regular price, will she pay more ...
Monday, April 27, 2015 at 9:39pm

Math, please help
The measurement of angle BC is 30° less than the measurement of angle AB. What is the measurement of angle AB? AB-30°=180 AB=150° ?????
Monday, April 27, 2015 at 9:23pm

Math
(a) T(m) = −22.75 cosπ/6(m − 1) + 52.55 = 48 m =
Monday, April 27, 2015 at 9:17pm

math
I want to check my answers 1. The town population increased from 80,000 to 90,000 in ten years. What was The percent of increase? 2. A $15 item on sale for $12 is marked down what percent 3. If Jenna buys an item for 40% off the regular price will he pay more or less than half...
Monday, April 27, 2015 at 9:10pm

Math
If 5 times a number n is subtracted from 15, the result is negative. Which of the following gives the possible value(s) for n? A. 0 only B. 3 only C. 10 only D. All n is greater than 3 E. All n is less than 3
Monday, April 27, 2015 at 8:50pm

Math
Calculate the average rate of change of the function from θ = π/10 to θ = π/8. (Round your answer to two decimal places.) f(θ) = 9 sin(9θ)
Monday, April 27, 2015 at 8:38pm

math, if i have correct answer
Prove the identity: tan^2O/ 1 + tan^20 = sin^20 I get 1=1, but others have got sin^2=sin^2 Who's right?? Because there is no answer for this question at the back of the book
Monday, April 27, 2015 at 8:30pm

Math
Part 1: Suppose you divide a polynomial by a binomial. How do you know if the binomial is a factor of the polynomial? Create a sample problem that has a binomial which IS a factor of the polynomial being divided, and another problem that has a binomial which is NOT a factor of...
Monday, April 27, 2015 at 8:29pm

hard math
I'm having so much trouble doing this worksheet I had for math I don't even know what to do now 👉 and I have to turn it in by Friday 😭 I feel so dumb right now 😞
Monday, April 27, 2015 at 7:58pm

Math
The temperature, t, in degrees Fahrenheit, in a certain town on a certain spring day satisfies the inequality | t - 24 | is less than or equal to 30. Which of the following temperatures, in degrees Fahrenheit, is NOT in this range? F. -10 G. -6 H. -5 J. 0 K. 54
Monday, April 27, 2015 at 7:09pm

Math 222
Posted by Tika on Monday, April 27, 2015 at 5:08pm. Posted by Tika on Monday, April 27, 2015 at 12:44pm. How do I make a perfect square. Sorry my addition key isn't working y^2-18y plus______
Monday, April 27, 2015 at 7:06pm

Math 222
Homework Help: Math 222 Posted by Tika on Monday, April 27, 2015 at 5:10pm. Posted by Tika on Monday, April 27, 2015 at 1:08pm. what is the value of the discriminant and of the real solutions of the quadratic equation? 5x^2-9x plus 2 equals 0
Monday, April 27, 2015 at 7:05pm

Math 222
Posted by Tika on Monday, April 27, 2015 at 5:11pm. Posted by Tika on Monday, April 27, 2015 at 1:03pm. How do I write an quadratic equation whose roots are -1 and -2 and whose leading coefficient is 1. Sorry my equal key does not work blank equals 0
Monday, April 27, 2015 at 7:04pm

math
Sam has 18 coins in his pocket that are either quarters or nickels. The total value of these coins is $3.90. Let q represent the number of quarters and n represent the number of nickels. The following system of equations represents this situation: q+n=18 0.25q+0.05n=3.90 How ...
Monday, April 27, 2015 at 6:18pm

math
A community group bought 25 tickets to a play. Adult tickets cost $30 each and student tickets cost $20 each. In all, the group spent $620 on the tickets. Determine if each equation is a part of the system of equations that can be used to find the number of each type of ticket...
Monday, April 27, 2015 at 6:08pm

Math
I know how to find the surface area of a rectangular prism but, I am not sure when given the coordinates of 4 feet by 6 feet by 8 feet which is which? For example: height, width, length? I don't know which way it goes? Thank You very much for any help you can give me.
Monday, April 27, 2015 at 5:25pm

math
Prove the identity: tan^2O/ 1 + tan^20 = sin^20 I get 1=1, but others have got sin^2=sin^2 Who's right?? Because there is no answer for this question at the back of the book
Monday, April 27, 2015 at 5:22pm

math
Solve each equation for 0<_ 0<_ 2pi(3.14) A) 2cos^20 - sin0 -1=0 My answers: sin0= -1/2 or sin0=1 so 0 = 7pi/6, 11pi/6 and pi/2 But the back of the book says: pi/6, 5pi/6 and 3pi/2
Monday, April 27, 2015 at 5:20pm

Math 222
Posted by Tika on Monday, April 27, 2015 at 1:03pm. How do I write an quadratic equation whose roots are -1 and -2 and whose leading coefficient is 1. Sorry my equal key does not work blank equals 0
Monday, April 27, 2015 at 5:11pm

Math 222
Posted by Tika on Monday, April 27, 2015 at 1:08pm. what is the value of the discriminant and of the real solutions of the quadratic equation? 5x^2-9x plus 2 equals 0
Monday, April 27, 2015 at 5:10pm

Math/ Algebra
Labor Relations Worksheet: Did you hear about the ........ that offers a course for ......... .......? It's called .... ..........(.) #'s (1-27) 1.) (x-4)(x+3)
Monday, April 27, 2015 at 5:09pm

Math 222
Posted by Tika on Monday, April 27, 2015 at 12:44pm. How do I make a perfect square. Sorry my addition key isn't working y^2-18y plus______
Monday, April 27, 2015 at 5:08pm

Math
How do I work out this problem? And then compare it to 1 whole. 0.003 * 10^2=
Monday, April 27, 2015 at 5:00pm

Math help!
Hilda has a rectangular garden by the river in front of her house. The area she uses for planting tomatoes is three times as large as that she uses for beets. If she has 270 yards of fencing material to enclose the garden to protect it fro, rodents, will the total area attain ...
Monday, April 27, 2015 at 4:30pm

math
Write a function rule for the total cost. One frozen yogurt store sells frozen yogurt for $3.00 per cup and $1.25 per topping. Write a linear equation to show the total cost of a cup of frozen yogurt. Then calculate the total price for one cup of frozen yogurt with 4 toppings...
Monday, April 27, 2015 at 3:59pm

Math
Part 1: Suppose you divide a polynomial by a binomial. How do you know if the binomial is a factor of the polynomial? Create a sample problem that has a binomial which IS a factor of the polynomial being divided, and another problem that has a binomial which is NOT a factor of...
Monday, April 27, 2015 at 3:41pm

math- algebra
5 x > 2 x + 18, x € N Please give me the solution to this problem!
Monday, April 27, 2015 at 3:21pm

Math
Solve the equations to the nearest tenth and use the given restrictions. 2. sin theta = -0.204, for 90 degs < theta < 270 degs Ans: 191.8 degs?
Monday, April 27, 2015 at 3:13pm

Math 222
what is the value of the discriminant and of the real solutions of the quadratic equation? 5x^2-9x plus 2 equals 0
Monday, April 27, 2015 at 1:08pm

math
the volume of a cylinder is 54cm cube.calculate the volume of the cone.
Monday, April 27, 2015 at 1:07pm

Math 222
How do I write an quadratic equation whose roots are -1 and -2 and whose leading coefficient is 1. Sorry my equal key does not work blank equals 0
Monday, April 27, 2015 at 1:03pm

Math
rcsdk12 . org/cms/lib04/NY01001156/Centricity/Doma​in/5668/10.1%20Solid%20Geometry%20Classw​ork.pdf In question 4, is the first choice the answer?
Monday, April 27, 2015 at 12:57pm

Math 222
How do I make a perfect square. Sorry my addition key isn't working y^2-18y plus______
Monday, April 27, 2015 at 12:44pm

Math
Solve the equations to the nearest tenth and use the given restrictions. 2. sin theta = -0.204, for 90 degs < theta < 270 degs Ans: 191.8 degs?
Monday, April 27, 2015 at 12:25pm

Math
Solve the equations to the nearest tenth and use the given restrictions. 1. tan theta = 8.055, for 90 degs < theta < 270 degs. Ans: 262.9 degs?
Monday, April 27, 2015 at 12:23pm

math
Find the volume of the cone to be constructed from a sector having a diameter of 72 cm and a central angle of 210 
Monday, April 27, 2015 at 11:48am

math
Find the periodic payment R required to amortize a loan of P dollars over t years with interest charged at the rate of r%/year compounded m times a year. (Round your answer to the nearest cent.) P = 30,000, r = 5, t = 20, m = 4
Monday, April 27, 2015 at 11:48am

Math help!
Reduce the equation 3/x + x/3 = -5/2 to the standard form of a quadratic equation ax^2+bx+c=0. The quadratic equation is___?
Monday, April 27, 2015 at 11:16am

Math help!
For the quadratic function f(x) = 2x^2 - 16x + 27 The Vertex = ___? f(x) attains a maximum minimum value of ___? The axis of symmetry is___? The x-intercepts are___? and The y-intercept is ____?
Monday, April 27, 2015 at 11:14am

Math help!
A car goes 18 miles on a gallon of gas in city driving and 24 miles on the highway. If the car goes 465 miles on a full tank of 23 gallons of gas, how many miles were driven in the city and how many miles were driven on the highway?
Monday, April 27, 2015 at 11:11am

Math help!
A collection of forty-three coins consists of dimes and quarters. If the total value is 7.60, how many dimes and how many quarters are there?
Monday, April 27, 2015 at 11:08am

Math 222
How do I use substitution to solve the system? Please help Addition and equal key is not working -5x plus 2y equal 16 y equal 2x plus 7
Monday, April 27, 2015 at 10:16am

6th Grade Math Inequalities
The maximum weight allowed on The Wildcat ride is 221 pounds. Your friend weighs 60 pounds. To be able to ride in a car together, how much can you weigh? Write and solve an inequality. Is this the correct answer?: x + 60 ¡Ü 221; at most 161 pounds? Please answer ...
Monday, April 27, 2015 at 9:48am

Math
If sin 0 = -3 / 5 and pi < 0 < 3pi / 2, then tan 0 = ? F. -5 / 4 G. -3 / 4 H. -3 / 5 J. 3 / 4 K. 4 / 5
Monday, April 27, 2015 at 9:36am

Math 222
Please help me with inequalities?\ 2x-1>-3 and 4x plus 5>-19 I tried doing this problem, but I am lost.
Monday, April 27, 2015 at 9:15am

MATH
Abby, Betty, Cassie, and Dale need to cross the river on a boat. The boat only fits at most two people. If two people go over one must bring it back for the others. Abby takes 1 min., Betty 2 min., Cassie takes 5 min., and Dale takes 10 min.. The time it takes is based on the ...
Monday, April 27, 2015 at 8:57am

Math 222
Please help me solve this problem? The first mechanic worked 10 hours and the second mechanic worked 5 hours. Together they both charged a total of $1250 for their work. Their sum of two rates is $165 per hour. So how much did the first and second mechanics charged?
Monday, April 27, 2015 at 8:50am

Math 222
Please help me solve this system of equations? Sorry addition/equal key is not working. -2x plus 9y equal 3 -3x-4y equal 22
Monday, April 27, 2015 at 8:46am

Math 222
Please help me with this problem The sum of two numbers is 47, the smaller number is 23 less than the larger number. What are the two numbers?
Monday, April 27, 2015 at 8:44am

math
X|-2|0|2|4| Y|-4|0|4|8| Do the values in the table represent a linear function? If so what is the function rule? A. The values do not show a linear function. B. Yes, the values show a linear function; y=1/2x+4. C. Yes,the values show a linear function; y=2x+2. D. Yes, the ...
Monday, April 27, 2015 at 6:16am

math
a red rosebush has three times as many brooms as a punk rosebush. together they have 48 blooms . which of the following is the number of blooms on the red bush?
Monday, April 27, 2015 at 5:08am

Business Math
mr. mike invested two sums of money on simple interest. the fist was $2200 invested at 8% per annum and the second $1960 at 10% per annum. the sums were allowed to frow till bothe amounted to the same figure. in how many years did this happaended and what was the final amount?
Monday, April 27, 2015 at 1:25am

math
Write a function rule for finding the amount of daily pay, p in the following situation; A bus driver gets paid $100 each day plus $0.20 per kilometer, k. A.100=0.20 x k B. p=0.20x100 x k C. p= 0.20k+100 D. 0.20k=100+p Is the answer B??
Monday, April 27, 2015 at 12:54am

Math
Solve each equation to the nearest tenth and use the given restrictions. sin θ = -0.204 for 90 degrees < θ < 270 degrees. I don't get this. Is this supposed to be restricted to quadrants 2 and 3? Then it doesn't seem possible to get a value that will be...
Sunday, April 26, 2015 at 11:56pm

math
Street | Horizontal | Vertical rise Distance ft. |of street ft. _______|_____________|_______________ Dixie hill| 80. | 40 Bell hill | 80. | 20 Liberty hill| 80. | 60 Which hill is the steepest? Explain. A. Bell hill; it rises one foot for for every 4 feet of horizontal travel...
Sunday, April 26, 2015 at 11:54pm

Math
If the scale on a drawing of a house is 1 cm=2 1/2m, what is the length of the house if it measures 3 cm on the scale drawing?
Sunday, April 26, 2015 at 11:54pm

Math
Victoria tossed a coin 30 times and got 17 heads. What is the ratio of heads to coin tosses? What is the ratio of heads to tails? What is the ratio of tails to heads? If victoria tosses the coin 150 times, how many times can she expect to get heads?
Sunday, April 26, 2015 at 11:40pm

math
With the coordinates of (2,10)(4,20)(6,30) on a graph first numbers being the number of sub's on the x axis, and the second number being the cost of the sub's on the y axis. What is the slope-intercept equation for the cost of a sub at Fred's Sub Shop? A.y=2x B.y=...
Sunday, April 26, 2015 at 11:14pm

Math
Each human hand has 27 bones. There are 6 more bones in the fingers than in the wrist. There are 3 fewer bones in the palm than in the wrist. How many bones are in each part of the wrist?
Sunday, April 26, 2015 at 11:12pm

math
please help me with this one too! : if it costs about $0.10 per week to feed a snake, how much does it cost to feed 35 snakes for 4 wks?
Sunday, April 26, 2015 at 10:56pm

Math
If it costs an average of $14 each day to feed each of the 1058 zoo animals, what is the annual cost for feeding all the animals?
Sunday, April 26, 2015 at 10:39pm

math
Why does Zara have a good driving record?
Sunday, April 26, 2015 at 10:38pm

math
What is the slope-intercept equation for the cost of a sub at Fred's Sub Shop? A. y= 2x B. y= 10x C. y= 5x D. 5x+2 Is the answer C??
Sunday, April 26, 2015 at 10:29pm

Math
the antelopes eat 15 kg of corn, 14 kg of horse feed, and 100 kg of hay per day. how many kilograms of food are eaten per week?
Sunday, April 26, 2015 at 10:11pm

math
If the length of each dimension of the rectangular prism is cut in half, then surface area will be 1/4 of the original surface area. true or false
Sunday, April 26, 2015 at 10:04pm

Math
write the equation y+3=1/3x in general form.
Sunday, April 26, 2015 at 8:52pm

math
Raymond has four more sisters than Tyler.Write a number sentence to show Raymond=r tyler=t
Sunday, April 26, 2015 at 7:33pm

math
2 numbers have a product of 7, and a difference of 28, what are the 2 numbers?
Sunday, April 26, 2015 at 7:02pm

math
Given the position function, s of t equals t cubed divided by 3 minus 12 times t squared divided by 2 plus 36 times t, between t = 0 and t = 15, where s is given in feet and t is measured in seconds, find the interval in seconds where the particle is moving to the right.
Sunday, April 26, 2015 at 6:15pm

Math 222
The sum of two numbers is 47. The smaller number is 23 less than the larger number. What are the numbers?
Sunday, April 26, 2015 at 6:12pm

math
Graph the linear function y=-2x+3 How do I work this out?
Sunday, April 26, 2015 at 6:04pm

Math
Surface area of each solid .round to THE nearest tenth if necesaria. 6cm 5.2cm 7cm 6c
Sunday, April 26, 2015 at 6:01pm

Math
Marks worth is A 1 B 2 C 2 Please explain next to it though how you got that answer and what to write to get that mark. Clearly explain as I have no clue, don't leave anything out though! Information needed to solve There is an isosceles triangle with corners A, B and C. ...
Sunday, April 26, 2015 at 5:59pm

math
The side length of a rectangular box with a square base is increasing at the rate of 2 ft/sec, while the height is decreasing at the rate of 2 ft/sec. At what rate is the volume of the box changing when the side length is 10 ft and the height is 12 ft? Remember to use the ...
Sunday, April 26, 2015 at 5:57pm

Math 222
Please help me solve for m? F equal mv^2/r solve for m.
Sunday, April 26, 2015 at 5:49pm

Math
Please help me write this as a single fraction? Sorry my addition/equal key does not work - 3a-7b/2a plus 5a-4b/3a plus 3.
Sunday, April 26, 2015 at 5:09pm

Math 222
Please someone help me simplify this problem. My addition/plus key is not working. x-3/x^2 plus 5x plus 6 divided by x plus 1/4x plus 8
Sunday, April 26, 2015 at 4:58pm

Math
Angie has a scarf that measured 36.5 inches long. Her sister made a scarf 4.66 inches shorter. How long was her Austen's scarf?
Sunday, April 26, 2015 at 3:06pm

Business Math Please Help me
A monopoly has a total cost function C = 1000 + 108x + 12x^2 for its product, which has demand function p = 324 − 3x − 2x^2. Find the consumer's surplus at the point where the monopoly has maximum profit. (Round your answer to the nearest cent.) Thank You!
Sunday, April 26, 2015 at 1:58pm

math
how do I find the max number of 1.7 inch diameter spheres that can be stored in a cylindrical tank the tank has a radius of 2 inches and height of 4 inches there are 2 inches of water in the tank
Sunday, April 26, 2015 at 12:59pm

math
if you know the area of a square how do you find the length of the square?
Sunday, April 26, 2015 at 11:37am

Math
Solve each equation for 0 <_ 0<_ 2Pi(3.14) i) 18sin^20 +3cos0 - 17 = 0
Sunday, April 26, 2015 at 9:52am

math
Tess’ commission is increased according to how much she sells. She receives a commission of 6% for the first $5000 and 12% on the amount over $5000. What is the total commission on sales of $12,000?
Sunday, April 26, 2015 at 9:43am

math
King Arthur II has problems with pronouncing the digit 3. People are afraid of presenting something which includes 3 in it. The solution found is that if any number includes 3 as a digit, the number is divided by 2. This process continues as far as the new numbers include new ...
Sunday, April 26, 2015 at 9:17am

math
Show that 8x^3 + 12x + 100logx=O(x^3).
Sunday, April 26, 2015 at 9:15am

math
If the intensity of a lightbulb is 45w/m^2 at a distance of 8m, then what is the intensity of it at a distance of 3m?
Sunday, April 26, 2015 at 3:40am

math
A company is designing a juice box. The box is in the shape of a rectangular prism. The base of the box is 6 1/2 inches by 2 1/2 inches, and th box is 4 inches high. If juice fills 90% of the box's volume, find the volume of juice in the box. Thank you!
Sunday, April 26, 2015 at 2:33am

math
This question says to graph the linear function.y=1\3x-4. What would the graph look like? Thank you Reiny but they put me in this class and I can not figure out what to do. When I am for help they are always to busy to help me my mom when talked with the principal and she don...
Sunday, April 26, 2015 at 1:38am

math
A college is planning to construct a retangular parking lot on land bordered on one side by a highway. The plan is to use 680 feet of fencing to fence off the other three sides. What dimensions should the lot have if the enclosed area is to be a maximum?
Sunday, April 26, 2015 at 12:46am

Math
The plane P1 has equation r = (2,1,1)+lambda(-2,1,8)+mu(1,-3,-9) The plane P2 has equation r = (2,0,1)+s(1,2,1)+t(1,1,1) Show that for points that lie on P1 and P2, lambda=mu I have no idea how to start... help! Thanks!
Saturday, April 25, 2015 at 10:24pm

math
The data in the table are linear. Use the table to find the slope. X| 2| 4| 6| 8 Y| 1|-2|-5|-8 A. 3/2 B. -3/2 C. -2/3 D. 2/3 Please help me work this out I don't know how to do this kind of stuff. Thank you in advance.
Saturday, April 25, 2015 at 10:22pm

Math
Solve each equation for 0<_ 0<_ 2pi(3.14) E) 18sin^2(0) + 3cos0 -17 =0
Saturday, April 25, 2015 at 8:28pm

Math
You want to find out what the favorite hot lunch in the school cafeteria is among the high school students. At an assembly for the whole school, you decide to survey all students who are sitting on the end of their rows in the auditorium. What type of survey are you conducting...
Saturday, April 25, 2015 at 8:09pm

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