Homework Help: Math

Branches of Math

Recent Homework Questions About Math

Math
Find the smallest prime number N such that the following is true: The largest prime factor of N−1 is A; The largest prime factor of A−1 is B; The largest prime factor of B−1 is 7.
Thursday, April 25, 2013 at 5:28am

Math
how can you go about in calculating vertical and horizontal asymptotes?
Thursday, April 25, 2013 at 5:26am

math
a student drop a rubber ball from a height of 8 feet . Each time the ball hits the ground, it bounces to 75% of its previous height. a/ how far does the ball travel between tne second and third bounces . b/ write an infinite series to model the total distance tralveled by the ...
Thursday, April 25, 2013 at 3:07am

Math
one integer is 5 less than another. Find the number if the sum of their reciprocals is 17/66?
Thursday, April 25, 2013 at 2:59am

math pre calc
at the pittsburch zoo, children ride a train for 25 cents, adults pay $1 and seniors pay .75. on a given day, 1400 passengers paid a total of $740 for the rides. there were 250 more children riders than adults and senior riders combined.find the nu,ber of each type of rider. ...
Thursday, April 25, 2013 at 1:28am

math hw (algebra)
On the sidewalk the distance from the dormitory to the cafeteria is 400 meters. By cutting across the lawn, the walking distance is shortened to 300 meters. how long is each part of the L shaped sidewalk?
Thursday, April 25, 2013 at 12:39am

math (algebra)
An auto dealer wants to string a wire from the top of a pole to the ground and hang colorful pennants from it. The distance from the base of the pole to the point where the wire is attached to the ground is 3 times the height of the pole. If the wire is 63 feet long, how tall ...
Thursday, April 25, 2013 at 12:36am

math
I cooked 1/2 of greens today and 1/3 of greens yesterday. How much greens did I cook.
Wednesday, April 24, 2013 at 11:13pm

math
A bag contains 5 red balls and 7 green balls . A ball is picked at random , its color is noted and it is given out . The bag is shaken and a second selection is made. A. Draw. Tree diagram to illustrate thr information. B. Calculate the probability that both balls are red
Wednesday, April 24, 2013 at 10:50pm

math
what if Julie is thinking of an even number between 12 and 29 with digits whose difference is 7? what is the number?
Wednesday, April 24, 2013 at 10:48pm

math
The perimeter of a paved area being built at a playground is going to be 46 meters. If the length and width are each a whole number of meters, what should the length and width of the area be to cover the greatest possible area?
Wednesday, April 24, 2013 at 10:29pm

Math 7th Geometery
I have a complex figure like a U shape. I understand the formula for this is l x w = a Can you show me the steps? 31m is parael to 31m this would be the height (sides of the U)?? or is this the width? Length 69m Width is on the right top of U 23m. Inside the middle of the ...
Wednesday, April 24, 2013 at 10:27pm

math
A textbook store sold a combined total of 462 biology and chemistry textbooks in a week. The number of biology textbooks sold was two times the number of chemistry textbooks sold. How many textbooks of each type were sold?
Wednesday, April 24, 2013 at 9:38pm

math 7th
When the temperature is 68°F, the speed of sound in air is approximately 343 meters per second. Approximately how many kilometers does sound travel in five seconds? Can some one help with the steps?
Wednesday, April 24, 2013 at 8:34pm

math
Christamas card costs $0.75 each and postage stamps costs $0.39 each. If you have $3.00 only to spend on sending 2 cards to your friends, how much money will be left after sending the cards
Wednesday, April 24, 2013 at 8:10pm

Math
Adam wants to compare the fractions 2/5, 1/6, and 1/3. He wants to order them from least to greatest and rewrite them so they all have the same denominator. Explain how Adam can rewrite the fraction.
Wednesday, April 24, 2013 at 7:54pm

math
what rectangles with whole-centimetre sides have a perimeter of 44cm
Wednesday, April 24, 2013 at 7:50pm

Math 112
A jar of water weighs 15 pounds. When 0.5 of the water is poured out, the weight of the remaining water and the jar is 8.75 pounds. How much does the jar weigh?
Wednesday, April 24, 2013 at 7:08pm

Math
Write multiplication sentence for 4 4/5+ 4 4/5 + 4 4/5
Wednesday, April 24, 2013 at 6:21pm

Math
Greta says that the expression (2xa)+5 is the same as 2x(a+5). Is she correct?Why or why not?
Wednesday, April 24, 2013 at 6:16pm

math
320= -5a + 5 (1-8a)
Wednesday, April 24, 2013 at 6:15pm

Math
For a seesaw that 14 ft long, where should the fulcrum be placed to balance a 204 lbs adult and a 81.6 lbs child?
Wednesday, April 24, 2013 at 6:08pm

math
I need help solving this equation please. Use the qudratic formula to find any x-intercepton the graph of the equation. Y=3x^2+9-1
Wednesday, April 24, 2013 at 6:02pm

Math
26 people surveyed, 19 said they like basketball, 12 said they like football, and 5 said they like both. How many people said they like basketball but not football?
Wednesday, April 24, 2013 at 5:54pm

math
someone please help me slove this problem. Use the qudratic formula to find any x-intercepton the graph of the equation. y=4x^2-2x-5
Wednesday, April 24, 2013 at 5:41pm

math
What is the benefit of using a longer ramp opposed to using a shorter one?
Wednesday, April 24, 2013 at 5:41pm

Math
14,903,256 Write the digit in the ten millions place.
Wednesday, April 24, 2013 at 5:18pm

Math 2
Last one I promise. I'm having trouble with these. Express in terms of logarithms of x, y, z, or w. ln 4th root (x^6/(y^2 z)) Write the expression as one logarithm. ln y^4 + (1/3) ln(x^9 y^9) − 7 ln y
Wednesday, April 24, 2013 at 4:15pm

Math
Find the exact solution, using common logarithms, and a two-decimal-place approximation of each solution. log(7x + 4) = 2 + log(2x − 3) Solve the equation. log(x^3) = (log x)^2
Wednesday, April 24, 2013 at 4:09pm

math
Los Angeles is about 385 miles from San Francisco. How far apart would the cities be on a map with a scale of 1 in.=100mi?
Wednesday, April 24, 2013 at 3:31pm

math
IN a scale drawing each side of a pentagon is 1.9 cm long. what is the perimeter of the actual object when the scale drawing is 1 cm=6.5
Wednesday, April 24, 2013 at 3:01pm

math
In a(n) _________ , simple interest is added on to the amount borrowed and the total is repaid in equal installments.
Wednesday, April 24, 2013 at 2:44pm

Math
How do you know when you should re write as a mixed number or simplify; for example. 1 1/2 x 23/9= 3/1 x 23/9= 69/18= what is the way to tell if I should simplify or re write as a mixed number?
Wednesday, April 24, 2013 at 2:33pm

MATH..-HELP ME PLEASE GUYS..THIS DUE TMORROW!!!!..
Suppose tank A consist of 500 liter brine with 500gm salt dissolved in it, whereas in tank B containing 500 liter of water. Water is allowed to enter tank A at a rate of 30 liter/minute, and that mixed solution flow from tank A to tank B at a rate of 40 liter/minute. At the ...
Wednesday, April 24, 2013 at 2:04pm

math
simplify 3/x+2/x^2
Wednesday, April 24, 2013 at 1:09pm

math
simplify the expression 4/(x+2)-3/(x+2)
Wednesday, April 24, 2013 at 1:07pm

math
simplify the expression 14/(3x)+(x+5)/(3x)
Wednesday, April 24, 2013 at 1:06pm

math 5th
Estimate teh area of the circle and use 22/7 for pie. Teh circle shows line all teh way accross measruing 28cm. Find area. Can some one explain how
Wednesday, April 24, 2013 at 1:06pm

Math Geo help Ms Sue?
I have two questions about two circles. A.First circle shows half a line measuring 4mm using 3.14 for pie. I came up with an answer that is wrong.:( B.Second circle same pie but with a line all teh way across the circle measuring 18cm. I got this one wrong? Please help with ...
Wednesday, April 24, 2013 at 12:47pm

Math 111
Suppose that $5000 is invested in an account with an account with an APR of 12% compounded monthly. Find the future value of the account in 5 years.
Wednesday, April 24, 2013 at 12:29pm

math
Mighty Mouse (who flies at a constant speed of 600mph) was standing by a cannon that was pointed straight up. A cannonball was shot vertically into the air with an initial velocity of 300 mph. Exactly one second after the cannon was fired, Mighty Mouse flew up to touch the ...
Wednesday, April 24, 2013 at 12:27pm

math
If a rocket is shot upward with an initial speed of 176 feet per second from a platform 64 feet above the ground, when will the rocket be at its maximum height and how high will it be? Hint: The graph of a parabola is symmetric.
Wednesday, April 24, 2013 at 12:25pm

Math
What formula to use when finding patterns of sum of unit fractions #egyptian fractions
Wednesday, April 24, 2013 at 12:23pm

math
Beer cans are right circular cylinders. My Mathematical Mead, My Polynomial Pilsner, and my Square-root Stout cans, from the Schmidt Brewery, have dimensional units called "brewskies." They have a volume (in cubic brew skies) equal to a solution of the function: f(x...
Wednesday, April 24, 2013 at 12:23pm

Math
Compute the number of vinyl tiles, measuring 25 cm each side, needed to tile a kitchen measuring 102 ft. by 18 ft.
Wednesday, April 24, 2013 at 11:47am

Math
just checking ...is 7^4/7^2 = to 49... I say yes...?
Wednesday, April 24, 2013 at 11:46am

Math
If a problem is 4^4/4^6 is it = to 1/4^2 or just 16?
Wednesday, April 24, 2013 at 11:42am

math
What is the difference between the number of possible answers on a five question true-false test and a five -question multiple choice test withfour choices per question
Wednesday, April 24, 2013 at 10:38am

Math
A gerbil in a maze has 6 places at which to turn left or right.How many different ways can the gerbil get through the maze?
Wednesday, April 24, 2013 at 10:31am

Math
How much 40% Nacl (Fw 58.44) would you need to make 2.5L of a 5% Nacl solution?
Wednesday, April 24, 2013 at 10:05am

math
There are 5 options on the dessert menu at a restaurant. Erin and Ellen like all of the choices equally, so they each choose a dessert at random from the menu. What is the probability that Erin will choose apple pie and Ellen will choose strawberry cheesecake for dessert? ...
Wednesday, April 24, 2013 at 9:52am

Math
Let f(x)=2x^2+3px-2q and g(x)=x^2+q,where p and q are constants.It is given that x-a is a common factor of f(x) and g(x) ,where p ,q and a are non-zero constants.Show that 9p^2+16q=0 .
Wednesday, April 24, 2013 at 9:38am

math
joey planted 2/5 of the garden and jane planted 1/3 what fraction of the garden did they plant
Wednesday, April 24, 2013 at 8:02am

math
Juan is making cookies. He uses 3/4 cup of flour in each batch of cookies. He making 6 batches of cookies. How much flour will he use
Wednesday, April 24, 2013 at 7:26am

math
They skated 14 miles in 2 hours.if they skated at a constant rate, how many miles did they skate in 1 hour
Wednesday, April 24, 2013 at 6:01am

Math
Compare the areas of two rectangular regions if the length of one rectangular region is double that of the other, and the width is triple that of the other. (Use an algebraic formula.)
Wednesday, April 24, 2013 at 1:31am

math
simplify in radical form (x^-2/5)^1/4
Wednesday, April 24, 2013 at 1:05am

Math
Stefan drove 558 in 9 hours. He then drove 120 miles in 3 hours. What was Stefan's average speed for the whole trip???
Wednesday, April 24, 2013 at 12:38am

math
a,b and c are positive integers such that the simultaneous equations (a−2b)x=1, (b−2c)x=1 and x+25=c have a positive solution for x. What is the minimum value of a?
Wednesday, April 24, 2013 at 12:16am

math
The four values x, y, x−y and x+y are all positive prime integers. What is the sum of all the four integers?
Wednesday, April 24, 2013 at 12:14am

math
a and b are consecutive, positive integers such that a2−b2>22. What is the minimum possible value of a+b?
Wednesday, April 24, 2013 at 12:11am

math
x and y are real numbers that satisfy the equations x2+y2=125 and x+y=13. What is the sum of all (distinct) possible values of x?
Wednesday, April 24, 2013 at 12:08am

math
What is the real part of (2+i)(6−i)?
Wednesday, April 24, 2013 at 12:07am

math
zena earned $12 and she spent $8 what fraction of her earnings did she spend?
Wednesday, April 24, 2013 at 12:05am

math
A child’s kite is on top of a straight pine tree. A ladder is placed against the tree and touches the kite. The ladder forms a 45-degree angle with the flat ground. The base of the tree is 9 feet away from the base of the ladder. With only this information, how can you ...
Tuesday, April 23, 2013 at 11:38pm

Math
Tom has a bag filled with 10 green balls, 5 red balls and 5 blue balls, what part on toms bag has green balls
Tuesday, April 23, 2013 at 11:37pm

Math
Write 70,633.29 two other ways.
Tuesday, April 23, 2013 at 11:21pm

Midpoint Help / Math
M(-4,-2) is the midpoint of RS. If S has coordinates (-2,5), find the coordinates of R.
Tuesday, April 23, 2013 at 10:52pm

math
An alcohol solution consists of 6 gallons of pure water and x gallons of alcohol, x > 0. Let f(x) be the ratio of the volume of alcohol to the total volume of liquid. [Note that f(x) is the concentration of the alcohol in the solution.] (a) Find a possible formula for f(x).
Tuesday, April 23, 2013 at 10:29pm

math
please show me how to solve this (2x - 5y) power of 2 i am having a problem with the way to step by step please solve this
Tuesday, April 23, 2013 at 9:41pm

math
a rectangular garden with an area of 2112 square feet is to be located next to a barn with fencing on three sides and the barn acting as the fourth side.Write a function that gives the length of fencing needed if the length of the side parallel to the barn is x. Find the ...
Tuesday, April 23, 2013 at 9:22pm

Math
What are 2 prime numbers between 100-199 such that the tens digit is a prime number, the ones digit is a prime number, and the tens and ones digit taken together are 2 digit prime number.
Tuesday, April 23, 2013 at 9:09pm

Math Geo
Estimate the radius of a circle with the circumference of 272.2 inches. Help me with the steps please?
Tuesday, April 23, 2013 at 9:06pm

Math
Suppose you have 36 yards of fencing to build a fence around a rectangular backyard garden. The width is 18 yards less than twice the length. Find the length and width of this garden.
Tuesday, April 23, 2013 at 8:56pm

Math
If polynomial p(x) = Ax^3 + Bx^2 + Cx + D vanishes at x = a - d, a, a + d, then prove that a^2 + D/aA > 0. Here A, B, C, D are some constant. Please work the complete solution.
Tuesday, April 23, 2013 at 8:48pm

Math
Adam left the airport and traveled toward the Capital. Elisa left one hour later traveling 50 mph in an effort to catch up to Adam. After traveling for 4 hours Elisa finally caught up. What was Adam's average speed?
Tuesday, April 23, 2013 at 8:42pm

math
ronnie swam 2.5 laps on monday and swam twice as far on tuesday how far did he swim in all?
Tuesday, April 23, 2013 at 8:38pm

Math
Let p and q be the roots of the polynomial mx^2 + x(2 - m) + 3. Let m1 and m2 be two values of m satisfying p/q + q/p = 2/3. Determine numerical value of m1/ (m2)^2 + m2/(m1)^2. Please work the complete solution.
Tuesday, April 23, 2013 at 8:33pm

Math
Let Alpha and Beta be the zeros of the cubic polynomial x^3 + ax^2 + bx + c satisfying the relation Alpha * Beta = 0. Prove that : c^2 + ac + b + 1 = 0. Please work the complete solution.
Tuesday, April 23, 2013 at 8:29pm

Math
What is 2•2•2•2•1= 4987•6739
Tuesday, April 23, 2013 at 8:23pm

math
The median score on a test is 90. Is it possible to add two more scores to the data and still have a median score of 90? Explain your answer.
Tuesday, April 23, 2013 at 8:07pm

math algebra
Paul Websters motorboat can travel 15 mph in still water. Traveling with the current of a river, the boat can travel 20 miles in the same time it takes to go 10 miles againt the current. Find the speed of the current.
Tuesday, April 23, 2013 at 7:57pm

Math
On a map John is standing at (11,11). His friend Lucy is standing at (1,11). John took 10 steps to the right. Is he standing with Lucy now?
Tuesday, April 23, 2013 at 7:52pm

math
find the points of intersection of the following pairs of equations. a. y=x^2 and y=x +2 b. y=x^2 and y=8-x^2 c. y=x^2 and x=y^2
Tuesday, April 23, 2013 at 7:16pm

math
find the present value of the following future amount. 600,000 at 6% compunded semiannually for 25 years what is the present value
Tuesday, April 23, 2013 at 6:57pm

math
if the ratio is 1 to 6 of books sally chose and the total of books is 80 what is the amount sally chose
Tuesday, April 23, 2013 at 6:52pm

Math
The interquartile range of a data set is the ? of the ? quartile and the ? quartile. and........ In a box-and-whisker plot, one whisker represents about ?percent of the data.
Tuesday, April 23, 2013 at 6:51pm

Math
To determine whether a pancreas is functioning normally, a tracer dye is injected. A normally functioning pancrease secretes 4% of the dye each minute. A doctor injects 0.5g of the dye, and checks twenty minutes later. He finds that 0.35g of the dye remains If the pancreas ...
Tuesday, April 23, 2013 at 6:50pm

6th grade Math
I need help on the problem below. The instructions say to "factor the expression" and the expression is: -.2x^2 + 80x -6000. Thanks
Tuesday, April 23, 2013 at 6:44pm

Math
The sunglasses that Ramon wants to buy are 50 percent off the original price of $85. If he has to pay 6 percent tax, what will the glasses cost?
Tuesday, April 23, 2013 at 6:32pm

Math
A rectangular solid has a volume of 40 cubic centimeters. If the dimensions are all reduced to 1/2 their original size, what will be the new volume of the rectangular solid?
Tuesday, April 23, 2013 at 6:13pm

math
kate cut a pizza into fourths. karl cut a pizza of the same size into sixth. After they each ate some pizza, they had the same fraction of pizzas left. What fraction of each pizza was left?
Tuesday, April 23, 2013 at 5:51pm

math
what is e = mc square
Tuesday, April 23, 2013 at 5:32pm

5th grade math (word problems)
Problem: A receipe for 4 dozen cookies requires 1 1/2 cups of flour. How much flour is needed for 1 dozen? work: 4 divided by 1 1/2 = 4/1 x 3/2 = 4/1 x 2/3 = 8/3 cups of flour Can you explain why i don't need to change 4 dozen to 48 and then divide by 1 1/2?
Tuesday, April 23, 2013 at 5:25pm

math
hermione puts $1000 into an account on january 1, 2008. if the account is compounded continuously at a rate of 7.9%, in what month of what year will the account reach $100,000? Is the correct answer January,2069?
Tuesday, April 23, 2013 at 5:23pm

math
Dirk has two pet mice. Among other things, he feeds them cup of dry pellets every week. How much dry food will he need for a year?
Tuesday, April 23, 2013 at 5:22pm

math
write five million two hundred eighty in standard notation
Tuesday, April 23, 2013 at 5:05pm

math
slope = -2, passing through (0, -3) equations for each line point-slope, slope-intercept form
Tuesday, April 23, 2013 at 4:51pm

Math
Why 1/2 of 1 is 1/2, what is half of 2,3, and 4/
Tuesday, April 23, 2013 at 4:25pm

math
a map has the scale of 1 inch =80 miles.what is the actual distance,in miles,between two towns that are 4 1/2 inches apart on the map?
Tuesday, April 23, 2013 at 3:54pm

math
order the fractions 1/3 2/5 2/9 1/3 and 4/1 from least to greatest
Tuesday, April 23, 2013 at 3:27pm

Geo math
Some flowers are being planted in a circular flower bed with a 10-foot diameter. If each flower requires 5 square feet of space, about how many flowers can be planted? What formula do I use to solve this?
Tuesday, April 23, 2013 at 1:45pm

math
1. A bag contains 9 tiles numbered 1 to 9. P(4) = (1 point) experimental; the result is found by repeating an experiment. experimental; the result is based on the number of possible outcomes. theoretical; the result is found by repeating an experiment. theoretical; the result ...
Tuesday, April 23, 2013 at 12:20pm

math
Submit the two equations that represent the cost of going to the gym based on if we join or do not join. Identify the number of times a person would go and have the costs of the 2 plans be the same.
Tuesday, April 23, 2013 at 11:37am

math
i have a test tomorrow and im still not sure how to do this. can you please help me? p={a,b,c} Q={a,c,d,f} Q-P=?
Tuesday, April 23, 2013 at 11:28am

Math
Let p and q be the roots of the polynomial mx^2 + x(2 - m) + 3. Let m1 and m2 be two values of m satisfying p/q + q/p = 2/3. Determine numerical value of m1/(m2)^2 + m2/(m1)^2. Please work the complete solution.
Tuesday, April 23, 2013 at 11:20am

Math
Suppose f(x) is a polynomial of degree of 5 and with leading coefficient 2009. Supposdm further that f(1) = 1, f(2) = 3, f(3) = 5, f(4) = 7, f(5) = 9. What is the value of f(6). The answer given in book is 241091. Please work the complete solution.
Tuesday, April 23, 2013 at 11:14am

Math
An equilateral triangle ABC has AB=20√3. P is a point placed in triangle ABC and D,E and F are the foot of the perpendiculars from P to AB, BC and AC, respectively. If PD=9 and PE=10, what is the value of the length of PF? Please work the complete solution.
Tuesday, April 23, 2013 at 11:09am

Math
What is the difference between Descriptive and casual studies?
Tuesday, April 23, 2013 at 10:13am

Math
What is the difference between experimental and ex post facto research designs?
Tuesday, April 23, 2013 at 10:12am

Math
What is the difference between exploratory and formal studies?
Tuesday, April 23, 2013 at 10:11am

Business Math
A Competitive Coup in the In-Flight Magazine. When the manager for market intelligence of AutoCorp, a major automotive manufacturer, boarded the plane in Chicago, her mind was on shrinking market share and late product announcements. As she settled back to enjoy the remains of...
Tuesday, April 23, 2013 at 9:56am

math
Let x-2 be a factor of f(x)=x^3-x^2+ax+b. Find the relationship between a and b
Tuesday, April 23, 2013 at 8:18am

Algebra Math
The function given by f (x) = 9/5 x + 32 converts x degrees Celsius to an equivalent temperature in degrees Fahrenheit. (a) Is f a one-to-one function? Why or why not? (b) Find f -1(x) and interpret what it calculates
Tuesday, April 23, 2013 at 8:06am

math
Simplify: 2x^3y^2+ 4x^2z / 2x^4
Tuesday, April 23, 2013 at 6:32am

Math
A rectangular livestock pen with THREE SIDES of fencing is to be built against the barn. The fencing is 1050ft long. Find the dimensions of the maximum area that can be enclosed. What is the maximum area?
Tuesday, April 23, 2013 at 5:31am

Math
Find the payment necessary to amortize a 4% loan of $2100 compounded quarterly with 13 quarterly payments. Find the payment amount.
Tuesday, April 23, 2013 at 3:31am

Math
I have 5 tickets for a raffle and I know that the probability of my winning the prize is 0.003. How many tickets were sold altogether?
Tuesday, April 23, 2013 at 2:51am

Math
System A has a 10% chance of being "down", while system B has a 5% chance of being "down". What is the probability that: 1) Neither computer system will be operational. 2) Both computer systems will be operational. Thanks!
Tuesday, April 23, 2013 at 1:06am

math
triangle ABC is an isoscles triangle and semicircle, have same base AB and same area. Find the base angles of the triangle.
Tuesday, April 23, 2013 at 12:33am

MATH
1. How would you prepare 950mlof 0.4M Nacl? 2.
Tuesday, April 23, 2013 at 12:31am

math (anybody can answer this,my son homework, i )
As part of a new fitness plan, Sabir runs on a treadmill at the same speed for 15 minutes every morning. The table shows the calories he burns over time. Time (in minutes) 3 , 6, 9, 12, Number of calories Burned 15, 30, 45, 60, Write an equation to represent the relationship ...
Monday, April 22, 2013 at 11:31pm

Math
The invested in a bank savings accouint is coumpounded continousl, with an annual interest rate of 3%. If a deposit of $2000 is made, then determine the balance after 2 years
Monday, April 22, 2013 at 11:05pm

math
As part of a new fitness plan, Sabir runs on a treadmill at the same speed for 15 minutes every morning. The table shows the calories he burns over time. Time (in minutes) 3 , 6, 9, 12, Number of calories Burned 15, 30, 45, 60, Write an equation to represent the relationship ...
Monday, April 22, 2013 at 10:47pm

math
As part of a new fitness plan, Sabir runs on a treadmill at the same speed for 15 minutes every morning. The table shows the calories he burns over time. Time (in minutes) Number of calories Burned 3 15 6 30 9 45 12 60 Write an equation to represent the relationship between ...
Monday, April 22, 2013 at 10:20pm

Math
What figure has an infinite number of lines of symmetry?
Monday, April 22, 2013 at 10:17pm

math
a car moving at 4.5 m/s accelerates at 2.5 m/s2. How far will it be moving after 7 seconds.
Monday, April 22, 2013 at 10:05pm

math
for every 30 feet you descend in a cave, it gets 4 degrees colder. if you are at 8 degrees, how far have you gone. how do you write the equation?
Monday, April 22, 2013 at 10:02pm

Math
Solve. 10/(3x) + 4/3 = (7 + x)/2x A) x = 1/3 B) x = 17/5x C) x = 1/5 D) x = 1/6 help??
Monday, April 22, 2013 at 9:51pm

math
What is a unit price?
Monday, April 22, 2013 at 9:33pm

Math
Solve. 10/(3x) + 4/3 = (7 + x)/2x A) x = 1/3 B) x = 17/5x C) x = 1/5 D) x = 1/6 help??
Monday, April 22, 2013 at 9:27pm

Math
Solve. 10/3x + 4/3 = 7 + x/2x A) x = 1/3 B) x = 17/5x C) x = 1/5 D) x = 1/6
Monday, April 22, 2013 at 9:17pm

math
a man and a woman get into an elevator in the basement of a building. The elevator can let them off at any floor from 1 to 9. What is the probability that they both get off on the same floor?
Monday, April 22, 2013 at 9:15pm

Math
Shaun rides 8 kilo meters west from his house to school. After school he rides 6 kilo meters north to Mario's house. What is the distance from Mario's house to Shaun's house measured in a straight line?
Monday, April 22, 2013 at 9:07pm

4th grade math
4 1/4 minus 1 3/4
Monday, April 22, 2013 at 9:03pm

math
what is the slope and y-intercept for y=-2/3x -4.3
Monday, April 22, 2013 at 8:55pm

Math
Mr.Brown is building a slide for his kids. The ladder is 3 meters tall ad the slide is 5 meters long. What is the distance between the ladder and the bottom of the slide?
Monday, April 22, 2013 at 8:49pm

Math
Solve. 10/3x + 4/3 = 7 + x/2x A) x = 1/3 B) x = 17/5x C) x = 1/5 D) x = 1/6 thinking it's A.. help?(:
Monday, April 22, 2013 at 8:48pm

Math
What is 538 divided by -63
Monday, April 22, 2013 at 8:45pm

Math
Given the altitude of lakes in feet: –12, –9, –14, –39, –49, –49, –18, –43, find the mean, median, mode, and range
Monday, April 22, 2013 at 8:27pm

Math
Solve. x+12/x+4 = x/x+8 A) x=-4 B) x=8 C) x=6 D) x=-6 thinking that it's B.. help?(:
Monday, April 22, 2013 at 8:19pm

Math
Simplify: 2x^3y^2=4x^2z / 2x^4
Monday, April 22, 2013 at 8:11pm

math ASAP please
4. What would the graph of y = x^2 + 1 look like? (1 point) a straight line a parabola a dotted line none of the above 5. What would the graph of 10/x look like? (1 point) a straight line a parabola a curve none of the above 6. What would the graph of y = 3/4x – 7/8 look ...
Monday, April 22, 2013 at 8:10pm

math
Sean's older brother is 16 years old. He runs between 15 and 25 miles each week. The sum of the digits of the total number of miles that he ran last week is eight less than his age. How many miles did Sean run last week?
Monday, April 22, 2013 at 8:00pm

Math
Doug is standing at (2,1). Susan is standing at (1,2). Who is farther to the right? How do you know?
Monday, April 22, 2013 at 7:53pm

Math
The school bus stops at Randy's stop at 8:15 a.m. Randy arrived at the bus stop at quarter after 8. Did he miss the bus? Explain.
Monday, April 22, 2013 at 7:52pm

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