Sunday
April 26, 2015

Homework Help: Math

Branches of Math

Recent Math Questions

math
Dion's grandmother is making a quilt using four small squares put together to form one large large square block. how many different can she make using one each of red, green, blue, and yellow smalle squares? show the possible arrangements
Monday, April 20, 2015 at 7:52pm

Math
Raylene made a bracelet with 28 beads. She also made a necklace with twice the number of beads as the bracelet. If 1/2 of the beads on the bracelet are green and 1/4 of the beads on the necklace are green, does the bracelet, the necklace, or neither have more green beads? Explain
Monday, April 20, 2015 at 7:41pm

math
Warren measured a recentangular window to find Out how much plastic he would need to cover it.The window measured 5ft 6 inches by2ft9inches.about how many square inches of plastics does Warren need to cover the window?
Monday, April 20, 2015 at 7:41pm

math
Between 6a.m.and 10a.m.the temperature rose by 5°f.between 10a.m.and 2p.m.the temperature rose by 6°f.between 2p.m.and 6p.m.the temperature rose by 0°c.would you be able to tell how much the temperature rose since 6a.m?
Monday, April 20, 2015 at 7:26pm

math
local students were surveyed about adding stoplights at the corner of Main Street and Perry Avenue. Determine whether each survey question may be biased. Explain A) are stoplights needed at the intersection of Main and Perry? B) should stoplights be installed at the corner of ...
Monday, April 20, 2015 at 7:15pm

please answer my question (math)
dion's grandmother is making a quilt using four small squares put together to form one large large square block. how many different can she make using one each of red, green, blue, and yellow smalle squares? show the possible arrangements
Monday, April 20, 2015 at 7:13pm

math
what the heck does it mean
Monday, April 20, 2015 at 6:59pm

math
dion's grandmother is making a quilt using four small squares put together to form one large large square block. how many different can she make using one each of red, green, blue, and yellow smalle squares? show the possible arrangements
Monday, April 20, 2015 at 6:31pm

math
lance made 10 dozen cookies. He made 25 percent chocolate chip, 25 percent peanut butter, and the remaining 50 percent oatmeal raisin. How many of each type of cookie did he make?
Monday, April 20, 2015 at 5:33pm

math
Determine the number of divisors of the integer 4312440.
Monday, April 20, 2015 at 5:08pm

Math algebra
x^1/3 ÷ (4x)^½ · 16x^-5/4 ÷ 32x I get: x^-5/12 ÷ x = x^(-5/12-12/12) = x^-17/12 but answer given is x^7/12 I'm using a^n / a^m = a^n-m but according to the answer I'm given it seems that I'm supposed to add the 12/12 to -5/12 not ...
Monday, April 20, 2015 at 4:55pm

Math
Determine the coefficient of wx^3y^2z^2 in (2w−x+y−2z)^8
Monday, April 20, 2015 at 4:41pm

Math
Which measurement is NOT equal to 3m, 30dm,300cm,3,000mm,3,000cm
Monday, April 20, 2015 at 4:16pm

Math
What jobs do I qualify for
Monday, April 20, 2015 at 3:45pm

math
how much inches=1feet
Monday, April 20, 2015 at 3:43pm

help please? :( math
Which function is a quadratic function? (1 point) y equals one over X y = 5x – 7 y = –x2 + 2x*** y = absolute value of x
Monday, April 20, 2015 at 2:38pm

math please help 8th grade
y = 2x + 7 The slopes are equal. The graph has a greater slope. *** The equation has a greater slope.*** none of the above an i right? (:
Monday, April 20, 2015 at 2:15pm

math
6w-6w +6w +6w
Monday, April 20, 2015 at 2:12pm

Math
1.What is the volume of the figure above if a = 6 units and b = 9 units? A. 1,620 cubic units B. 540 cubic units C. 324 cubic units D. 342 cubic units 2.Susan is building a cage for her rabbit and started by making the supports for the cage as shown below, where a = 14 inches...
Monday, April 20, 2015 at 1:48pm

Math
a rectangle shape doctor's office has an area of 120 feet. what are the dimensions of this office space?
Monday, April 20, 2015 at 1:42pm

math
Use Part 1 of the Fundamental Theorem of Calculus to find the derivative of the function. g(x) = e^(3t^2) − 3t dt from 4 to x
Monday, April 20, 2015 at 1:41pm

Math
What is the volume of the figure above if a= 6 units and b= 9 units? A. 1, 620 Cubic Units B. 540 Cubic Units C. 324 Cubic Units D.342 Cubic Units
Monday, April 20, 2015 at 1:28pm

Math
In a jar of coins, the ratio of nickels to dimes is 2:7. If the jar contains 350 nickels, how many dimes are there?
Monday, April 20, 2015 at 1:15pm

math
if 4th term of an arithmetic progression is 3 times the 1st term nd 7th term exceeds twice the third term by 1. find the first term and common difference
Monday, April 20, 2015 at 1:07pm

math
Two investments totaling $23,500 produce an annual income of $795. One investment yields 2% per year, while the other yields 7% per year. How much is invested at each rate?
Monday, April 20, 2015 at 12:49pm

Math
Which of the following is a true statement? A. -9 > -4 B. | -10 | > |2| C. | -3| < |1| D. 6< - 12 Compare using <,>, or = -2 ----- -4 A. < B.> C. = Compare using <,>, or = -| 2-5| ----- (8 – 11) A. < B. > C = PLEASE HELP!!!
Monday, April 20, 2015 at 12:41pm

MATH
You purchase a computer for $875.00 plus 5% sales tax. You decide to finance it through the store's 0% program for 12 months. The terms state that you must pay $100.00/month and that if you miss a payment, you will be assessed a late fee of $39.00 plus the interest accrued...
Monday, April 20, 2015 at 12:04pm

Math
The total capacity of 6 pitchers and 12 glasses is 21 liters. The capacity of a pitchers if 5 times that of a glass. Find the capacity of each glass in liters.
Monday, April 20, 2015 at 10:22am

Math
Jill bought so e carrots and apples for $24.80. A carrot and an apple cost $.90 altogether. She bought more carrots than apples. The cost of the extra number of carrots was $6.80. How many apples did she buy?
Monday, April 20, 2015 at 10:04am

Math
A rocket is launched straight up. At t seconds after being launched, its altitude is given by h = 4t^2 metres. You are on the ground 400 metres from the launch site, watching the rocket. The line of sight from you to the rocket makes an angle theta radians with the ...
Monday, April 20, 2015 at 9:50am

Math
d dx [(e^x + x)^x]. Can someone please show me a step by step of how to do this. Also i'm stuck at (e^x+1)((e^x+x)^x * ln(e^x+x)) ... am i on the right track or?
Monday, April 20, 2015 at 9:42am

math
Which of the following is/are true? A.x-y+z/y-x-z=1 B.3a-b<1/3a+b=>9a^2-b^2<1 C.p^2-pq+q^2=(p-q)^2 I think they are all false,because for A if i had to substitute with numbers i wont get 1 and for B im a little confused but i cross multiplied as for C (p-q)^2 its ...
Monday, April 20, 2015 at 8:55am

math
a tank is 3/5 full ofwater 50 litre more required to fill it up. how many litres can tank hold..??
Monday, April 20, 2015 at 8:34am

Math
1. if 60% of 3/5 of a number is 36, then the number is......... Pls show working. 2. the average weight of 16 boys in a class is 50.25kg and that of the remaining 8 boys is 45.15kg. Find the average weight of all the boys in the class.
Monday, April 20, 2015 at 3:59am

Math
Please help with trying to solve the following; in particular how to get the correct equation set up. The perimeter of a square is 64 cm and the area of the square is 192 cm. What is the length of width of the rectangle? Thank you for your help.
Monday, April 20, 2015 at 12:33am

Math
A gas station charges $2.19 per gallon of gas. Use function notation to describe the relationship between the total cost C(g) and the number of gallons purchased g. A. C(g)=-2.19g B. g=2.19C(g) C. C(g)=g+2.19 D. C(g)=2.19g C? Thanks
Monday, April 20, 2015 at 12:30am

Math
Find the next three terms in the sequence. 30,22,14,6.... A. -3,-12,-21 B. -1,-8,-15 C. -1,-2,3 D. -2,-10,-18 D? Thanks.
Monday, April 20, 2015 at 12:12am

Math
An ice cream store sells 30 different flavours of ice cream and it offers a choice of 3 different kinds of cones. In how many ways can we order a dozen two-scoop ice cream cones if any two of them in one order must differ at least by a flavor or by the kinds of cones?
Sunday, April 19, 2015 at 11:06pm

Math
Can you please help with this geometry question. An open box is formed from a square piece of material by cutting 2-in squares from each corner of the material and folding up the sides. If the volume of the box that is formed is to be 72 in cubed, what was the original piece ...
Sunday, April 19, 2015 at 9:38pm

Math/Algebra
Jeremy opened two saving accounts at the beginning of 2010, each with an initial deposit of $4,000. Account A earned simple interest, and account B earned interest that was compounded annually. By the end of 2012, which account earned more interest, and how much more interest ...
Sunday, April 19, 2015 at 8:18pm

Math/Algebra
Jeremy opened two saving accounts at the beginning of 2010, each with an initial deposit of $4,000. Account A earned simple interest, and account B earned interest that was compounded annually. By the end of 2012, which account earned more interest, and how much more interest ...
Sunday, April 19, 2015 at 8:03pm

Math
What is the least perimeter of a rectangle with an area of 32 square feet?
Sunday, April 19, 2015 at 7:30pm

Math
You purchase a computer for $875.00 plus 5% sales tax. You decide to finance it through the store's 0% program for 12 months. The terms state that you must pay $100.00/month and that if you miss a payment, you will be assessed a late fee of $39.00 plus the interest accrued...
Sunday, April 19, 2015 at 7:26pm

Math 10
Factor, if possible. 36xy - 12x^2y
Sunday, April 19, 2015 at 6:39pm

7th grade math
1. Which ordered pair is not a solution of y = –12x – 3? (–3, 33) (8, –98) (–9, 105) (3, –39)* 2. Find three solutions of the equation. y = 2x – 6 (–2, –10), (1, –4), (2, –1) (–2, –10), (1, –4), (0, –6...
Sunday, April 19, 2015 at 6:02pm

Math
Can you please help with correct format for the following?: re: d = rt equation A boat traveled 40 miles down a river in 2 1/2 hours. The return trip going upstream took twice as long. What is the rate of the boat in still water? Appreciate any help on the set up. Thank you,
Sunday, April 19, 2015 at 6:01pm

math
A boat leaves port P and steers 5 km due east and then 10 km on a bearing of 060 degrees. Find its distance and bearing from P
Sunday, April 19, 2015 at 5:31pm

math
A nut wholesalersells a mix of peanuts and cashews. He charges $2.80 per pound for peanuts and $5.30 per pound for cashews. If the mix of peanuts and cashwes is to sellfor $3.30 pre pount, how many pound each of the peanuts and cashews should be used to marke 100 pounds of mix...
Sunday, April 19, 2015 at 5:21pm

7TH MATH HELP
1. Which ordered pair is not a solution of y = –12x – 3? (–3, 33) (8, –98) (–9, 105) (3, –39)* 2. Find three solutions of the equation. y = 2x – 6 (–2, –10), (1, –4), (2, –1) (–2, –10), (1, –4), (0, –6...
Sunday, April 19, 2015 at 5:21pm

math
Gabriel walked 100m around the perimeter playground.How long and how wide could the play ground be? give three different answers.
Sunday, April 19, 2015 at 4:44pm

Math
what is the perimeter of a rectangle if L=3x+5 meters W=4x-3 meters?
Sunday, April 19, 2015 at 4:41pm

math
Jim used 6 white cubes to make a rectangular prism. He painted the whole outside blue. If Jim separates the cubes, how many will have more blue faces than white. How many will have an equal number of blue and white faces
Sunday, April 19, 2015 at 4:27pm

math
Chad has a rope that is 9 yards long. How many pieces of rope measuring of a yard can he divide his rope into?
Sunday, April 19, 2015 at 4:18pm

math
Standard soft drink cans hold 12 ounce or 355 milliliters of soda. Assume that soda can must be right circular cylinders. Through trial and error with cans of different sizes, find the dimensions of a 12-ounce can that has the lowest cost for materials.
Sunday, April 19, 2015 at 3:35pm

math
How old are they? I found this question online. Please help me understand where I may have made a mistake. Thanking you in advance. My question: Norman is now 4 times the age of her son, 3 years ago, the sum of their ages was 49. How old are they now?. My Answer: First step: (...
Sunday, April 19, 2015 at 12:19pm

MAth
How many inches are in 75% of 20 yards?
Sunday, April 19, 2015 at 12:18pm

math
ibrahim has a bag containing five red balls,six yellow balls and four white balls , the ball is pick at random from the bag.find the probability that: (a))red or white ball ? (b) yellow or red ball ? (c) not red
Sunday, April 19, 2015 at 11:04am

Math
Jennifer rode her bike to the store at a rate of 15 mph. She rode back home at a rate of 10 mph. How far is it to the store if the round trip takes an hour?
Sunday, April 19, 2015 at 9:18am

math
divide the sum of 65/12 and 8/3 by their difference
Sunday, April 19, 2015 at 8:41am

Math
a probability that new years is on a Saturday in a randomly chosen year is 1/7. 15 years are chosen randomly.find the probability that 1. exactly four of these years have new years day on a Saturday 2. at least 2 of these years have new years day on a Saturday
Sunday, April 19, 2015 at 4:12am

math
Aiden completed 18 out of the 25 questions on his history test. What percent of the questions did he complete
Saturday, April 18, 2015 at 10:48pm

math
Sarah was trying to figure out her grades for her math course. She only knew the grade of 4 tests she had taken, however the class had taken 5 tests total. She scored a 94, 67, 83 and 93. If Sarah ended up with a grade of 90, what did she get on the 5th and final test?
Saturday, April 18, 2015 at 9:05pm

Math
School A has 480 students and 16 classrooms, School B has 192 students and 12 classrooms. How many students would have to transfer from School A to School B for the ratios of students to classrooms at both schools to be the same? Explain your answer.
Saturday, April 18, 2015 at 8:58pm

math
what is the global maximum of the parabola y= -x^2 -12x +4
Saturday, April 18, 2015 at 6:01pm

Math
A flower bed is in the shape of a triangle with one side twice the length of the shortest side, and the third side is 18 feet more than the length of the shortest side. Find the dimensions if the perimeter is 142 feet.
Saturday, April 18, 2015 at 2:26pm

Math
In an arithmetic series, the sum of the 5th to the 8th terms inclusive is 114, whilst the sum of the 12th to 15th terms inclusive is 198. What is the 21st term? I have got 99=2a +3d and 57= 2a+3d Im not sure what to do now
Saturday, April 18, 2015 at 2:04pm

Math
Whoever can help with a question I posted earlier. I am very sorry; I put the wrong variable in the question. Question is to solve for y and not "x" as my previous message and the equation is: x = 3(r + ty) So sorry for the confusion. Please help at your earliest. ...
Saturday, April 18, 2015 at 1:50pm

Math
An artist drew a painting with similar rectangles with whole-number dimensions in inches. The small rectangle is 8 inches by 3 inches. One dimension of the medium rectangle is 9 inches. One dimension of the large rectangle is 32 inches. a. find the dimensions of the medium ...
Saturday, April 18, 2015 at 1:43pm

Math
Question asks to solve for x with equation: x = 3(r + ty) Please help with how to solve? Thank you.
Saturday, April 18, 2015 at 1:18pm

math
A salesperson earned 33,250 on annual sales of 950,000. What is her rate of commission.
Saturday, April 18, 2015 at 1:08pm

math (algebra)
An entrepreneur has the following costs and revenue functions: TC = 30 + 3Q and TR = 4Q. Calculate the equilibrium quantity algebraically and graphically at the break-even point.
Saturday, April 18, 2015 at 12:44pm

math help
A tank has two pipes entering it.when operating together,they fill the tank in 40 minutes.operating independently,one of the pipes fills the tank 60 minutes faster than the other one does. Calculate the time taken by each pipe to fill the tank on its own.
Saturday, April 18, 2015 at 11:30am

math
The data set represents the income levels of the members of a country club. Estimate the probability that a randomly selected member earns at least $98,000. 112,000 126,000 90,000 133,000 94,000 112,000 98,000 82,000 147,000 182,000 86,000 105,000 140,000 94,000 126,000 119,...
Saturday, April 18, 2015 at 10:40am

math
The Statue of Liberty is about 151 feet tall. If the angle of elevation from a tree in Liberty State Park to the statue's top is 1.5 degrees, how far is the tree from the statue? cot 1.5 DEGREES= h/ 151 151 cot 1.5= h h= ________
Saturday, April 18, 2015 at 9:18am

Math
Can you help please on the following question: "The sum of the lengths of the legs of a right triangle is 8 feet. If the length of the hypotenuse is 6 feet, find the length of the shorter leg to the nearest tenth of a foot." Thank you, Cassandra
Saturday, April 18, 2015 at 9:14am

Math
Can you help with this equation? Have to solve for the indicated variable: For x: With equation y = x + 1/x - 1; in case it doesn't make sense; the x + 1 is in the numerator and the x - 1 is in the denominator. Thank you for your help. Cassandra
Saturday, April 18, 2015 at 8:33am

math
it costs $80 to produce any quantity of output and $1.60 for any additional unit of output. write down the equation and graph the total cost function
Saturday, April 18, 2015 at 8:26am

math
The Statue of Liberty is about 151 feet tall. If the angle of elevation from a tree in Liberty State Park to the statue's top is 1.5 degrees, how far is the tree from the statue?
Saturday, April 18, 2015 at 8:20am

math
the angle of elevation from a ship to a 135-foot-tall lighthouse is 2 degrees. How far is the ship from the lighthouse?
Saturday, April 18, 2015 at 8:17am

Math
a surveyor is 3 miles from a mountain. The angle of elevation from the ground to the top of the mountain is 15 degrees. What is the height of the mountain?
Saturday, April 18, 2015 at 8:15am

math
find roots of this equation y^3-1.5y^2+0.3275
Saturday, April 18, 2015 at 7:55am

math
The 5th term of an Arithmetic Progression is 8 and the 12th term is 50. Determine the sequence
Saturday, April 18, 2015 at 5:35am

Math
A ranger at forest station A( located at latitude N47 and longitude W116 30') sights smoke from a fire in the direction of S35 36'W. At the same time a ranger at forest station B(located at latitude N48 and longitude W117 45') sights the same fire in the direction ...
Friday, April 17, 2015 at 11:27pm

Math
An artist drew a painting with similar rectangles with whole- number dimensions in inches. the small rectangle is 8 inches by 3 inches. One dimension of the medium rectangle is 9 inches. One dimension of the large rectangle is 32 inches. A. find the dimensions of the medium ...
Friday, April 17, 2015 at 10:06pm

math
solve xd^2y/dx^2+y=0 by frobenius method
Friday, April 17, 2015 at 10:03pm

Math
The angle of depression from the top of a building to a point 30 meters from its base is 24 degree. 1. Represent the above information in a diagram. 2.Calculate the height of the building.
Friday, April 17, 2015 at 9:57pm

Math
School A has 480 students and 16 classrooms. School b has 192 students and 12 classrooms. A. what is the ratio of students to classrooms at School A? 480:16 B. what is the ratio of students to classrooms at School B? 192:12 C. How many students would have to transfer from ...
Friday, April 17, 2015 at 9:28pm

math
Kerry states laps around the playground. The playground is 150 meters and 50 meters wide. How many laps will it take Kerry to state 1 km?
Friday, April 17, 2015 at 9:07pm

math
Kerry states laps around the playground. The playground is 150 m long and 50 m wide. How many laps will it take Kerry to skate 1 km?
Friday, April 17, 2015 at 9:04pm

math
When 15 is subtracted from a number,the anwser is the same as when the number is divided by 6.
Friday, April 17, 2015 at 8:40pm

math
a cubic container was completely filled with water. when 3/4 of the water from the container was poured into a rectangular tank, the tank became 1/4 full. the capacity of the tank is 1.024 liters more than that of the cubic container. Find the length of the cubic container
Friday, April 17, 2015 at 8:23pm

Math
If a = b + 2l then (b - a)^4 = ? F. -16 G. -8 H. 1 J. 8 K. 16
Friday, April 17, 2015 at 8:00pm

math
John let out 50 foot of kite string when he observes that his kite is directly above a point on the ground 30 feet away from him, how high is the kite ?
Friday, April 17, 2015 at 7:47pm

Math 222
need help understanding exponents using the product rule/ Simplifying Radicals. (a^1/2 b)^1/2 x (ab^1/2)
Friday, April 17, 2015 at 6:44pm

Math 222
I need help understanding exponents (a^1/2 b)^1/2 x (ab^1/2)
Friday, April 17, 2015 at 6:32pm

math
Suppose you want to build an outdoor rectangular pen enclosed by fencing for a pet. You want the pen to have an area of 64 square feet. Write and post one set of dimensions that could be used for the pen, along with the perimeter of the pen.
Friday, April 17, 2015 at 6:29pm

Math
Hi! Can someone help me with this? Thanks a bunch! Find the 10th partial sum of the following arithmetic sequence. 0.50, 0.9, 1.3, 1.7.....
Friday, April 17, 2015 at 6:20pm

Math
35 decimeter string is attached to both ends of a 25 decimeter pole. At what point of the string do you need to pull to make a right triangle?
Friday, April 17, 2015 at 4:13pm

Math Help ASAP
A movie complex has eight different movie theaters. The manager of the complex wants to conduct a survey to determine which snacks to add to the menu. Which represents the best sample the manager could use for the survey? Survey the first 100 moviegoers leaving the movie ...
Friday, April 17, 2015 at 2:11pm

Math
So I am supposed to solve this without using a calculator: Sqrt[20]/10 - Sqrt[10]/Sqrt[32] - Sqrt[0.3125] + Sqrt[3 + 1/5] You can put this into WolframAlpha as is to make it prettier. Answer given is 1/2 * SQRT(5) I really don't know where to start here. I have 5 sqrt ...
Friday, April 17, 2015 at 2:06pm

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