01/16/15
Doubling and time
Suppose you discover a magical U.S. dime (10 cent piece) that has the power to double (in quantity) each day when placed in fertile soil. After being planted in the soil for one day you now have 2...
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01/16/15
Increased Percentage #6
Assume the population of Lakeville is increasing at a rate of 9% per year.
If the population of Lakeville is 9,000 today, what will the population be in 4 years? (Round to the nearest whole...
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01/16/15
how do I solve 6x+2y=10 and turn that into a coordinate pair?
I am doing my math homework and I am given an equation which is 6x+2y=10. I have to solve it and then I am given a part of a coordinate pair which is (__,-4). I have to fill the X coordinate and...
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01/16/15
Given that the first 5 terms of a geometric sequence are 3,x,12,y,and48,find, x and y. Assume both x and y are positive?
Help ASAP!!!!
01/16/15
write an inequality and solve
the quotient of a number and 3 increased by 5/6 is less than 2
01/16/15
The perpendicular lines n and m are tangent to the parabola y = x2. Find the coordinates (a, b) where the two lines cross the y-axis
The perpendicular lines n and m are tangent to the parabola y = x2. Find the coordinates (a, b) where the two lines cross the y-axis
01/14/15
what is |4a-2|=10 etc.?
Solve each equation or inequality
1)|4a-2|=10
2)|9-3g|<=12
3)|x-5|> 3
01/14/15
let f(x)=2x^2-8x-9
This is for my is for my IB math class, I really need help!!!!! Please help
01/14/15
percentage
if an occurance rate for pressure sores goes from 16.9 to 4.8 what percentage has it reduced by.
I thought this was 71.6% (12.1/16.9 x 100) but was told I was wrong
01/14/15
If only 0.8% of 1200 kids walk to and from school, how many walk?
How do I arrive at the answer?
01/14/15
let f(x) = v(x-2) and g(x) = v(10-x). Find the domain of f + g
can somebody help me to solve this
let f(x) = √(x-2) and g(x) = √(10-x). Find the domain of f + g
01/12/15
This qustion is from a pre calculus class.
Can you help me with this problem:
Verify the identity: sinx/1+cosx +1+cosx/sinx= 2cscx
01/12/15
What are two fractions whose sum is three-froths and whose denominators are both the same, but not equal to 4.
What are two fractions whose sum is three-froths and whose denominators are both the same, but not equal to 4.
01/12/15
The eight members of the chess club have a tournament in which every player plays a game against every other player. How many games are there in the tournament?
The eight members of the chess club have a tournament in which every player plays a game against every other player. How many games are there in the tournament?
01/11/15
homework help
The sum of two numbers is 210. If one number is the square of the other, find the set of numbers
01/11/15
Help on Quadratic Functions
A projectile follows a parabolic path whose height, in meters, is given by the function f(x) = -x2 +2x + 2
Find the maximum horizontal distance that the projectile may cover
01/11/15
word problem
consider the equations: f(x)= -6x - 1 and g(x) = 4x^2
select the solution for (fg)(x)
01/11/15
determine the equation of g(x) that results from translating the function f(x)= x^2+3 upward 4 units
determine the equation of g(x) that results from translating the function f(x)= x^2+3 upward 4 units
01/11/15
determine the equation of g(x) that results from translating the function f(x)=(x+2)^2 to the right 14 units
determine the equation of g(x) that results from translating the function f(x)=(x+2)^2 to the right 14 units
01/11/15
select the x-coordinate of the vertex of the parabola defined by the function f(x) = -3x^2 + 5x +9
select the x-coordinate of the vertex of the parabola defined by the function f(x) = -3x^2 + 5x +9
01/11/15
A race has 125 Participants, in how many ways can the runners come in 1st, 2nd and 3rd place?
A race has 125 Participants, in how many ways can the runners come in 1st, 2nd and 3rd place?
01/11/15
I seriously need help I dont get how to solve this question.
An actor invests some money at 6% and $49000 more than four times the amount at 12%, The total annual interest earned from the investment is $70140. How much did he invest at each amount? Use the...
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01/11/15
word problems
A roll of insulation covers 100ft^2 of surface. Polly is insulating the attic of her house which is 1,350ft^2. What is the least number of rolls Polly will need to buy to insulate her attic?
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