SAT Prep <b>Math</b> Queston!! PLEASE HELP
A regulation for riding a certain amusement park ride requires that a child be between 30 inches and 50 inches tall. Which of the following inequalities can be used to determine whether or not a... more
Recreational <b>math</b> word problem with large exponents
Today is Wednesday. Counting today, what day of the week will be 102009 days from today?
I need your HELP!!!!- Applied <b>math</b>
Applied math- Inequality A street vendor sells hot dogs and buffalo burgers. A hot dog costs the vendor $0.80 and the buffalo burger costs the vendor $1.25. The hot dog occupies 240 cm3 in space... more
recommending books for GRE <b>math</b> subject test?
I wonder if anyone could recommend some books (other than Princeton Review) to prepare for the GRE math subject exam. I've heard that the REA books have lots of typos, though it has 6 practice... more
Word problem, lower/upper bounds (<b>maths</b>)
Steve travelled from Ashton to Barnfield He travelled 235 miles, correct to the nearest 5 miles. The journey took him 200 minutes, correct to the nearest 5 minutes. calculate the lower... more
Difficult <b>math</b> question- not from a textbook either..
A metallurgist has one alloy containing 40%aluminum and another containing 61% aluminum. How many pounds of each alloy must he use to make 57 pounds of a third alloy containing 46% aluminum?
How do you find the IQR in <b>Math</b>?
I need to find the IQR of a question that is due tomorrow, can you help?
I always have problems in <b>math</b> test
When ever I try to do my math test I become distracted I can't solve anything so if you could advice me with some skill.?
This is a <b>Math</b> Question!! calling all brainiacs lol!!!
If you bought 5 pens for a total of $3.25, how much did it cost you for 2 pens?!!!
NEED HELP WITH 2 CONSUMER <b>MATH</b> QUESTIONS
You have a mortgage payment of $1,248.90/month. Using proportions what is the minimum amount you must have in realized income per month to keep your housing expense in the acceptable... more
<b>Math</b> problem involving distance rate and time
a bicyclist travels at a constant rate on her bicycle. biking with the wind, it takes 3.4 hours to travel 68 miles. biking against the wind, the return trip takes 5 hours. if there was no wind, how... more
This is a recipe to make 20 biscuits? (<b>maths</b> question)
a recipe to make 20 biscuits; 12oz flour 6oz butter 4oz sugar 1oz cocoa Question 1- how many grams of butter do you need? *use 100g=4ozQuestion 2- how many ounces of sugar would you need to make... more
Need help with this <b>math</b> word problem and formula
3/4 of the students at school take the bus. of those, 5/8 live more than 5 miles away from school. what fraction of students take the bus AND live more than 5 miles from school?
I need help on this <b>math</b> problem dude
A square and a rectangle have the same parameters. The length of a side of the square is 4x-1. The length of the rectangle is 2x+1 and the width is x+2. Write and solve an equation to find X.
REALLY NEED HELP WITH <b>MATH</b> (GRADE9)
The product of the ages of a set of triplets is 12 times the sum of their ages. Determine how old the triplets are. (we are currently learning about exponents and powers, if that helps.)
greetings there are 2 <b>Math</b> word problem questions
.Andrei wants to fill a glass tank with marbles, and then fill the remaining space with water.W(n) modelsthe amount of water Andrei uses (in litres) if he uses n marbles:W(n)=32-0.05n1.What is the... more
Growth and Decay in <b>math</b>, Writing the Function as well.
8,000,000 bacterium were introduced to an anti-bacterial agent that reduced the bacteria by a factor of 1/2 every 9 hours. How many bacteria remain after 22 hours? (round to the nearest whole... more
<b>Maths</b> olympiad, minimum possible number of points
Six players compete in a tournament. Each player plays exactly two games against every other player. In each game, the winning player earns 2 points and the losing player earns 0 points. If the... more
<b>Math</b> Linear Equations, Finding two variables
A test has twenty questions worth 100 points. The test consists of True/False questions worth 3 points each and multiple choice questions worth 11 points each. How many multiple choice questions... more
i need help with a <b>math</b> word problem
At the end of the school year, Rachel and Amber go to the roof of a 12-story building and throw their Algebra book of the edge. The equation of the pathway that each girl’s textbook takes is given... more
8th grade <b>math</b> problem 6
Use the two points to write a slope-intercept equation. Then, transform it into Standard Form. (1,4) and (-5,-9)
How to integrate this differential equation? Applied <b>Maths</b>
dN/dt = aN + bN2(Where N is variable, a and b are constants)N(0) = N0This is what Im supposed to get:N(t) = (aN0) / ((a-bN0)e-at+bN0)I tried completing the square and a lot of other ways and I just... more
<b>MATH</b> HELP WITH COLLEGE QUESTION NEED BY 4.26
the table shows the distribution, by age. of a random sample of 2940 moviegoers age 12-74 if one moviegoer is randomly selected from this population, find the probability, expressed as a simplified... more
question 25 <b>Math</b> need help please
in a class of 50 students, 34 are democrats, 6 are business majors, and 4 of the business majors are democrats if one student is randomly selected from the class find the probability of choosing a... more