Tuesday
May 26, 2015

Homework Help: Math

Branches of Math

Recent Math Questions

math
lim [(x ¡Ì2* ¡Ì2* ¡Ì2 )/x]-[3* ¡Ì2/x] x0†30
Tuesday, May 26, 2015 at 2:33am

Math
What is the equation of the parabola with a focus of (4, 5) and a vertex of (4, 2) opening upwards? y - 2 = 1/12(x - 4)^2?
Monday, May 25, 2015 at 9:59pm

Math
I brought a book and paid $1.80 in sales tax. If the tax was 8%, what was the cost of the book. How do I solve this problem?
Monday, May 25, 2015 at 9:29pm

math
I need to calculate the effective interest rate of a simple discount note $21,750 at an ordinary bank discount rate of 7.91% for 120 days find the effective rate
Monday, May 25, 2015 at 7:41pm

math
margaret Hillman invested $4,000 at 1.2% compounded quarterly for one year. find the futrue value and the interest earned for the year
Monday, May 25, 2015 at 7:18pm

math
how to cut a 10 ft board into 9 smaller boards
Monday, May 25, 2015 at 7:17pm

math
compute the compound amount and the interest on a loan of $19,400 compounded annually for 6 years at 12%
Monday, May 25, 2015 at 7:00pm

math
rosa needs $3,000in three years to make a down payment on a car how much must she invest today is she reeceives 0.5% interest annually compounded annually.
Monday, May 25, 2015 at 6:47pm

math
rosa needs $4,000in three years to make a down payment on a car how much must she invest today is she reeceives 0.5% interest annually compounded annually.
Monday, May 25, 2015 at 6:22pm

math
i have 5/6 yards of fabric to make shirts I need 1/12 yards of fabric for each chirt. How many shirts can I make? 5/6 x 1/12
Monday, May 25, 2015 at 5:55pm

Math 7
A photo studio offers different sized prints of the same subject. The original print measures 8 inches by 10 inches. A printer enlarges the orginal the orginal by a scale factor of 1.5, and then enlarges the second image by a scale factor of 3. What are the dimensions of the ...
Monday, May 25, 2015 at 5:27pm

Math
triangle abc has sides that are 20 centimeters 38 centimeters and 50 centimeters in length . it is related to triangle cde by a scale factor of 0.5 what are the lengths of the sides of triangle CDE. I need help to figure this out. Thanks
Monday, May 25, 2015 at 5:22pm

Math
A cylinder is 12 cm tall and has a diameter of 3 cm. What is the total surface area? Pi x radius x radius=3.14 x 1.5 x 2=9.42 cm Pi x diameter= 3.14 x 3= 9.42cm length x width= 9.42 x 12= 113.04cm Total Surface Area= 9.42+9.42+113.04=131.8cmsquared. The answer is 157cm. I don...
Monday, May 25, 2015 at 5:14pm

math
I am having trouble understanding how to solve this problem. I found an answer, about 74.2%, but I am not sure if that is correct. Any help would be greatly appreciated! A chess board has 64 squares, 32 white and 32 black, and is played with 16 black and 16 white pieces. If ...
Monday, May 25, 2015 at 4:18pm

Math
Which number is NOT divisible by 9?
Monday, May 25, 2015 at 2:52pm

math packet
how do I solve the following: 2x(x-3)+3=4
Monday, May 25, 2015 at 2:17pm

Math
Plz Help!!! List three different ways to write 5 (with an exponents of 11) as the product of two powers. explain why all three of you expressions are equal to 5 with an exponent of 11… so far i just know that when your dealing with multiplying a power you add. any ...
Monday, May 25, 2015 at 1:44pm

Math
Identify the sampling,method. You want to determine the number of text messages students at your school send in a month. You go to the cafeteria and ask every 4th student that walks in. a- random b- systemic c- stratified d-m none of these My answer is none of the these ...
Monday, May 25, 2015 at 1:25pm

math
what is a probability of rolling a total of 5 when a pair of number cubes is rolled once
Monday, May 25, 2015 at 12:59pm

math
on monday 464 students went on a trip to zoo .all 9 buses were filled and 5 students had to travel in cars. how many students were in each bus?
Monday, May 25, 2015 at 12:36pm

Math Thanks
2 Eight children from the Schickel family are combining their savings to purchase a gaming system to connect to and play on their television. The gaming system is on sale at their favorite discount electronics store for 10 percent off of its regular price of $500. If the cost ...
Monday, May 25, 2015 at 12:27pm

MATH Help (NOT MULTIPLE CHOICE) PLZZ
The O’Toole’s leave their house in Canada to vacation in Mexico for a week over winter break. In their absence, their house receives an average of 8 inches of snow per day each day during the seven-day period. However, the average air temperature rises above 32 ...
Monday, May 25, 2015 at 12:24pm

Math
A model rocket is launched from a roof into a large field. The path the rocket can be modeled by the equation y=-0.04x^2+8.3x+4.3 where x is the horizontal distance in meters, from the starting point on the roof and y is the height in meters, of the rocket above the ground. ...
Monday, May 25, 2015 at 11:58am

Math
A catapult launches a boulder with an upward velocity of 92 m/s. The height of the boulder, h, in meters after 1 seconds is given in the function h= -5t^2+92t+16. How many seconds does it take to reach maximum height? What is the boulders maximum height?
Monday, May 25, 2015 at 11:52am

Math
Express the given equation in rectangular coordinate equation and sketch the curve. r^2=1+sin(theta)
Monday, May 25, 2015 at 11:07am

math
Hello Sir, I have a question . A bird collector wants to buy 100 birds and to spend exactly $100. 1 Blue Bird= 7 dollars 1 Green Bird= 5 dollars 20 Yellow Birds= 1 dollar How many blue, green, and yellow birds can he buy? Please sir i'm waiting for your response.
Monday, May 25, 2015 at 5:25am

math
a circular maize field has a radius of 200m .What is the length of fence around this field
Monday, May 25, 2015 at 5:10am

Math
Mrs. Murphy separates her class into groups of 4 students each, 1 student is left over. If she separates her class into groups of 5 students each, 2 students are left over. What is the least number of students the class could have?
Monday, May 25, 2015 at 4:42am

math
find the arc length of a circle whose radius is 9in and whose central angle is 69. use pi=3.14
Sunday, May 24, 2015 at 11:46pm

Math
You are considering two mutual funds for your investment. The possible returns for the funds are dependent on the state of the economy and are given in the accompanying table. State of the Economy | Fund A | Fund B Good | 20% | 40% Fair | 10% | 20% Poor | -10% | -40% You ...
Sunday, May 24, 2015 at 9:22pm

math
how many pizza choices can you get with 3 crusts,7 toppings and 3 cheeses
Sunday, May 24, 2015 at 8:01pm

Math
What type of transformation is used when moving up an escalator?
Sunday, May 24, 2015 at 2:29pm

Math
If a square of x multiple cm multiple x multiple cm is removed from the corner of 20cm multiple 20cm paper, write down an equation which will represent the volume of the box made from the remaining paper. Please help me please .
Sunday, May 24, 2015 at 1:37pm

Math
If a square of x times cm times x times cm is removed from the corner of the 20cm x 20cm paper, write down an equation which will represent the volume of the box made from the remaining paper.
Sunday, May 24, 2015 at 12:59pm

math
volume of pyramid is 48 cu. ft. What is surface area if height is 4 ft and has a square base
Sunday, May 24, 2015 at 12:21pm

math
is this function - y=3^x open up or down? is it a vertical stretch or compression?
Sunday, May 24, 2015 at 11:48am

Math
What is the largest square of which the dimensions are natural numbers that you can cut from the corners of 20cm x 20cm paper? Explain
Sunday, May 24, 2015 at 7:16am

math
if the line segment given below is congruent then the length of ab is
Sunday, May 24, 2015 at 3:54am

Math
A gun ia fired at a distance 1.7 km away from sajid.sajid hears a sound 5 seconds later.find the speed at which sound travells.
Sunday, May 24, 2015 at 12:53am

Math
if you had 60 songs how many different ways can you load 5 songs
Saturday, May 23, 2015 at 11:29pm

math
By completing the square, determine the point in time when your model predicts Peter’s fortune will turn around. What is the lowest value that Peter’s investment will reach at this time? my function was v(t)=25x^2-750x+10000 v(9)=25(9)^2-750(9)+10000=5275
Saturday, May 23, 2015 at 9:23pm

math
At a used car dealership, the first determinant in the price of the car is the model, followed by the mileage and the age of the car. Which of the following is the dependent variable? A. price B. model C. mileage D. age I think its A because price depends on age, mileage, and ...
Saturday, May 23, 2015 at 7:15pm

Math
find the angle θ in the right triangle in the following problem. Round to the nearest degree, if necessary. cos θ = 0.8192 A = 45 H = ?
Saturday, May 23, 2015 at 3:10pm

UMA
math what is the answer to this 732,178+167-542,137
Saturday, May 23, 2015 at 2:28pm

math
which of the following statements is true 15divide 0=0 or 0 divide 15=0
Saturday, May 23, 2015 at 12:58pm

Math
Explain how you would design a research study to compare the effectiveness of two weed killers. Both weed killers A and B are known to be effective but it is not known which is more effective and on what type of weeds. Weeds can be broadly classified into “broad leaf”...
Saturday, May 23, 2015 at 9:11am

math
if x=1+under root 2+under root 3 prove that x power 4-4 x cubed-4x squared+16x-8=0
Saturday, May 23, 2015 at 6:04am

Math
I scored 3031 on my math performance series scantron test...is that a good score?
Friday, May 22, 2015 at 11:33pm

Math
Ansgar is writing a novel. He writes seven days a week. On each of those days he writes for at least 4 hours but never more than 8 hours. Last week, he wrote for exactly 46 hours. What is the maximum number of days on which he could have written for 8 hours? A. 2 days B. 3 ...
Friday, May 22, 2015 at 9:31pm

Math
Find the volume of a triangular prism with the following dimensions. Round to the nearest whole number. triangle base: 7 ft triangle height: 4 ft prism height:8.5 ft
Friday, May 22, 2015 at 8:51pm

Math
If (1 / 49)^ n + 3 = radical (7), then n=? F. - 7 / 4 G. 9 / 4 H. -11 / 4 J. -13 / 4 K. 15 / 4
Friday, May 22, 2015 at 8:44pm

Math
Original price: Decrease by 85% Final Price: $12.99
Friday, May 22, 2015 at 8:38pm

Math
Find the volume of a triangular prism with the following dimensions. Round to the nearest whole number. triangle base: 7 ft triangle height: 4 ft prism height:8.5 ft
Friday, May 22, 2015 at 8:28pm

Math
How many questions are on the 9th grade math scantron performance series test?
Friday, May 22, 2015 at 8:09pm

math
y=3^x opens up or down? vertical stretch or compression vertex y-int domain and range
Friday, May 22, 2015 at 5:40pm

math
compute the compound and the interest on a loan of $10,400 compounded annually for 6 years at 12% use the $1.00 future value and compound interest formula
Friday, May 22, 2015 at 5:28pm

Math- integers
The greenhouse effect occurs on many planets. If the actual temperature on Venus is -40 degrees, the temperature with the greenhouse effect is 800 degrees. What is the difference between the actual temperature and the temperature with the greenhouse effect.
Friday, May 22, 2015 at 4:43pm

math
a land company has a loan of $8,500 compounded quarterly for 5 years at 6% what is the effective interest rate for the loan?
Friday, May 22, 2015 at 4:37pm

math
I agreed to lend a friend money at a special interest rate of 10% per year on the condition that the friend borrow enough that they would pay %650 in interest over a period of 4 years what is the minimum amount my friend could borrow
Friday, May 22, 2015 at 4:18pm

math
future amount needed $6,000 interest rate is 3% compounding period semiannually investment time 8 years what would the present value be
Friday, May 22, 2015 at 3:57pm

Math
If no digits may be used more than once , how many 5 digits can be formed using only the digits 3, 8,1,2,5 ,7?
Friday, May 22, 2015 at 3:12pm

Math
What is the surface area and volume of a composite figure made up of a hemisphere and a cone in terms of pi? The radius is 10, and the slant height is 15. Ans: surface area: 350 pi units^2 volume: 1039.4 pi units^3
Friday, May 22, 2015 at 2:33pm

math
You roll a number cube numbered one to six 12 times. P(5)=2/3. What type of probability is illustrated and why?
Friday, May 22, 2015 at 3:50am

math
By completing the square, determine the point in time when your model predicts Peter’s fortune will turn around. What is the lowest value that Peter’s investment will reach at this time? my function was v(t)=25x^2-750x+10000 v(9)=25(9)^2-750(9)+10000=5275
Friday, May 22, 2015 at 12:21am

math
metal mercury at room temperature is a liquid. melting point is 39 degree celsius.freezing point of alcohol is 114 degree celsius.how mu7ch warmer is the melting point of mercury than the freezing point of alcohol
Thursday, May 21, 2015 at 11:41pm

Calculus math
how do i solve these quadratics? c=10000 9a+3b+c=7975 36a+6b+c=6400 im unsure of how to solve as a and b are unknowns...
Thursday, May 21, 2015 at 11:20pm

Math
Q. Neil found out that the Sunday paper that he delivers is about 1 pound and 12 ounces. He delivers 39 newspapers on Sunday's. How much do the 39 newspapers weigh? (Hint: 16 ounces = 1 pound) A. I tried adding 16 12 times but that didn't work after I found out it was ...
Thursday, May 21, 2015 at 10:04pm

Math
A pet store is building new cages for their birds. They have 8!@#$%^&atiels, 32 parakeets, and 28 finches. How many cages will they need if each cage will hold either 2!@#$%^&atiels, 10 parakeets, or 14 finches. The different types of birds are all kept separate.
Thursday, May 21, 2015 at 8:54pm

Math
From a point 120m from the foot of a building, the angles of elevation of the top and bottom of the flagpole are 49 degrees and 46 degrees respectively. Find the height of the flagpole (answer 13.8m) I couldn't get the answer because I thought the question was worded weird...
Thursday, May 21, 2015 at 8:52pm

5 th grade math
at a grocery store salted peanuts in the shell cost 30 cents per ounce. is $5.00 enough money to buy 1 pound of peanuts?
Thursday, May 21, 2015 at 8:41pm

math plz help quick
from a committee go 6 girls and 4 boys, a name is selected. then another name is selected. what is the probability that both people will be girls.
Thursday, May 21, 2015 at 8:35pm

math plz help quick
a bag contains 3 blue marbles 9 green marbles and 11 yellow marbles. twice you draw a marble and replace it ,find the probability of blue then green
Thursday, May 21, 2015 at 8:30pm

Math
A pet store is building new cages for their birds. They have 8!@#$%^&atiels, 32 parakeets, and 28 finches. How many cages will they need if each cage will hold either 2!@#$%^&atiels, 10 parakeets, or 14 finches. The different types of birds are all kept separate.
Thursday, May 21, 2015 at 8:23pm

Math
Solve -2x<9. x> ____
Thursday, May 21, 2015 at 7:20pm

math
A rectangular dog pen that has the greatest possible area within a budget of 50$.A pen needs at least one gate for a dog. Fencing is $1.00 per foot, fence posts are $2.00 each and gates (3 feet wide) are $5.00 each. what is the area of a pen? pls help me !!!
Thursday, May 21, 2015 at 7:14pm

math
A refrigerator is 2.8 feet wide, 2.5 feet deep,5.5 feet high. the walls and other parts of the refrigerator take up 19 feet to the 3rd power. How many cubic feet are left for food
Thursday, May 21, 2015 at 7:04pm

MATH PRACTICE
Triangle ABC has Coordinates A(-6,0) B(-2,0) C(-2,-7). What is the APPROXIMATE Perimeter of Triangle ABC?
Thursday, May 21, 2015 at 6:42pm

1st grade math
what is a common factor
Thursday, May 21, 2015 at 6:16pm

math
lilly made a 75 on her history test and an3 on her math test. the mean grade on the history test was 72 with a standard deviation of 5. the average grade on the math test was 81 with a standard deviation of 4. which test did lilly do better?
Thursday, May 21, 2015 at 6:03pm

Math: related rates
A street light is at the top of a 26 ft pole. A 5 ft tall girl walks along a straight path away from the pole with a speed of 7 ft/sec. At what rate is the tip of her shadow moving away from the light (ie. away from the top of the pole) when the girl is 23 ft away from the ...
Thursday, May 21, 2015 at 5:59pm

Math!! (repost) really need help!!
A cone has a diameter of 24 in. and a height of 10in. What is the volume of s cone? use 3.14 as an approximation.. final answer in tenths - Im stuck between two answers: 94.25 because if I do 3 x 10 to find the volume. I say 3 because the diameter is 24 in., also 8 x 3 equals ...
Thursday, May 21, 2015 at 5:52pm

Math
"A system of equations can have two answers beside an actual set of coordinates. What are they?" Would the two other answers be graphing and ratio, or ..
Thursday, May 21, 2015 at 4:50pm

Math- simple polynomials
for questions 13 and 14 write the value of the expression (these are fractions) 13. 3^4/3^4 A) 3 B) 0 C) 1 D) 4 14. 3^3/3^6 A) 1/27 B) 1/9 C) 9 D) -27 I think that 13 is D and that 14 is B. Am i correct?
Thursday, May 21, 2015 at 4:48pm

Math.
A cone has a diameter of 24 in. and a height of 10in. What is the volume of s cone? use 3.14 as an approximation.. final answer in tenths - Im stuck between two answers: 94.25 because if I do 3 x 10 to find the volume. I say 3 because the diameter is 24 in., also 8 x 3 equals ...
Thursday, May 21, 2015 at 4:47pm

Math
x+3y = 10 & x=2y-5 could someone explain how to do this.
Thursday, May 21, 2015 at 4:39pm

Math
a number squared subtracted from six times that number is equal to -8
Thursday, May 21, 2015 at 4:04pm

math
a loan of $8,500 compounded quarterly for five years at 8% what is the effective interest rate for the loan
Thursday, May 21, 2015 at 3:49pm

Math
Sharon made a scale drawing of a triangular park. The coordinates for the vertices of the park are: (– 10, 5) (15, 5) (10, 12) Her scale is 1 unit = 1 meter. What is the area of the triangular park in square meters? How do you find the answer?
Thursday, May 21, 2015 at 2:36pm

math
How much should linda set aside to buy equipment that costs 7,100 in one year the current interest rate is 0.6% annually compounded annually
Thursday, May 21, 2015 at 2:23pm

math
How would I show my work for this problem Find the value of the following: -3squared + ( (5 (8-6) ) / 2 + 45 ) / 5
Thursday, May 21, 2015 at 1:27pm

Math
A fish and game worker catches, tags, and releases 120 trout in a lake, Later she catches 84 trouts and finds tags on 30 of them. Estimate the total number of trout in the lake a.43 b.234 c.336 d.3,600
Thursday, May 21, 2015 at 12:58pm

math
i need help finding the volume of the rectangle prism
Thursday, May 21, 2015 at 11:13am

Finance, Math
You take a short position in one European put option contract, with strike price 100 and maturity six months, on a stock that is trading at 100. The annual volatility of the stock is constant and equal to 25%. The dividend rate is zero. The annual (continuously compounded) ...
Thursday, May 21, 2015 at 10:18am

math
8x³+y³+27z³-18xyz
Thursday, May 21, 2015 at 10:18am

Finance, Math
The one-year and two-year risk-free rates (yields) are 1% and 1.025%, respectively. Our model of the term structure says that one year from now the one-year interest rate will be one of the following two values: 0.01 or 0.01*u, where u is the up factor. Here, the rates are the...
Thursday, May 21, 2015 at 10:17am

Math
You have $5 for lunch. You bought a turkey sandwich for $2.25. Write an solve an inequality to show how much you can spend.
Thursday, May 21, 2015 at 10:02am

math
Ava made 100 paper cranes, and Brittany made 3/4 of the number of paper cranes Ava made. Ava gave 9/20 of her paper cranes to Brittany. Then, Brittany gave 1/4 of her paper cranes to Ava. How many more paper cranes did Brittany have than Ava in the end?
Thursday, May 21, 2015 at 7:46am

math
a motorist drives 80km at an average speed of 63km/h.which average is this:mean median or mode
Thursday, May 21, 2015 at 1:34am

Math Please Help
Eliminate the parameter and sketch the curve. x=cos(theta) , y=cos^2(theta) + 8cos(theta)
Wednesday, May 20, 2015 at 10:59pm

math
How many ways are there to move from one corner of a cube to the diagonally opposite corner, in three moves, each of which travels along one edge of the cube?
Wednesday, May 20, 2015 at 10:55pm

  1. Pages:
  2. 1
  3. 2
  4. 3
  5. 4
  6. 5
  7. 6
  8. 7
  9. 8
  10. 9
  11. 10
  12. 11
  13. 12
  14. 13
  15. 14
  16. 15
  17. Next>>

Members