09/26/16

Systems of equations
One mixture of paint has 35% pigment. Another mixture has 10% pigment. If you want 11 gallons of paint that has 23% pigment, how many gallons of each mixture should you use? Express your answer in... more
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09/26/16

Math help please
A rectangular piece of metal is 25 in longer than it is wide. Squares with sides 5 in long are cut from the four corners and the flaps are folded upward to form an open box. If the volume of the... more
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09/21/16

Problem Solving-Quadratic Formula. Don't quite understand how to solve
In a shot put even, Jenna tosses her last shot from a position of about 6 feet above the ground with an initial vertical and horizontal velocity of 20 ft./s the height of the shot is modeled by the... more
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09/07/16

What is the mass of 6874x 10^23 atoms Ag? Answer in grams.
What is the mass of 6874x 10^23 atoms Ag? Answer in grams.
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09/06/16

Stone thrown vertically up at a velocity of 36ft per sec from a bridge 61ft above level water.
H=-16t"2"+36t+61   A)Draw a picture B)Find the time when the stone is again 61 feet above the water.  C) find the time when the stone strikes the water. (Show answer reduced to lowest term,... more
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09/06/16

Interest problem
Tyler has two savings accounts that his grandparents opened for him. One of the accounts pay 6% annual interest, whereas the other pays 8% annual interest. If you have $600 more invested at 8% than... more
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07/19/16

full strength anti freeze is 12.99 a gallon. they also sell a 50/50 pre-mix which is diluted 50% with water for 10.99 a gallon.
Full question: full strength anti freeze is 12.99 a gallon. they also sell a 50/50 pre-mix which is diluted 50% with water for 10.99 a gallon. how much are you paying per gallon for water if you... more
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07/19/16

Question about integers
A positive integer is 3 more than twice a smaller positive integer. If the product of the two integers is equal to six times the larger, then find the integers.
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07/19/16

How much extra-lean hamburger (12% fat) needs to be added to 339 lbs of regular hamburger (27% fat) to make a batch of lean meat (20% fat)??
I am struggling with these mixture problems any help getting the correct formula and answer? Getting desperate 
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07/18/16

If a person has been riding a bike for 5 seconds and gone a distance of 30 meters (m), how fast is he or she going?
There really is no other details.
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07/13/16

How many two bedroom apartments are there?
An apartment building has 12 units. One and two bedrooms available at $360 and $450 respectively. When all units are rented the total is $4950. How many two bedroom apartments are there?
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07/13/16

Word Problem (intermediate Algebra)
One pipe can fill a tank in 3 h, a second pipe can fill the tank in 4 h, and a third pipe can fill the tank in 6 h. How long would it take to fill the tank with all three pipes operating?
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07/07/16

Please answer each one, trig word problems involving law of sines and law of cosines and bearings, please help ASAP
1) Two people are 3.21 miles apart and both spot a hot air balloon. One person observes the balloon at an angle of elevation of 25 degrees and the other observes the balloon at an angle of... more
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06/27/16

can someone solve this problem ?
Fran receives ?$153 per year in simple interest from investing ?$1900. Part is invested at? 7%, part at? 8% and part at? 9%. There is ?$100 more invested at? 9% than at? 8%. Find the amount... more
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06/21/16

[x^(-1) - x^(-3)] / (x^3 - x^2)
Eliminate negative exponents and simplify; can't figure out what to do when there is addition and subtraction involved with exponents. Here is the problem again:   (X-1 – X-3) / (X3 –... more
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06/01/16

Please help
I don't remember how to do these types of problems, please help   Find f−1(x) for the following function:f(x)=(3)/(x−5)−2
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05/31/16

a population of crickets triples everyday.If the population started with 20 crickets, how many crickets will there be after t days?
 a) exponential equation for p of crickets after t days    b) what will be the # of population after 5 days    c) when will population reach 200,000 ?
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05/30/16

A bridge forms a parabolic arch. The span of the arch is 60m and its centre is 10m above either end. What equation models this situation?
This is my quadratics unit
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05/29/16

an isosceles triangle has two sides of length p and one of length m.
In terms of these lengths, write calculator-ready formulas for the sizes of the angles of this triangle.         Can someone please help me with this problem, please.
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05/24/16

Find the coordinates????
Quadrilateral ABCD:   the point A is (−1, −1), the point B is (3, 6) and the point C is (9, 4). D is unknown but below the x axis.     The diagonals AC and BD intersect at M. Angle BMA =... more
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05/24/16

The table represents a trigonometric function. Graph and identify the key features
x.      0    Pi/4.    Pi/2     5Pi/6.   Pi.   4pi/3.    3pi/2.    11pi/6.     2pi   f(x). 0. (square root)2   2   1.   0.    -(square root)3    -2  -1    ... more
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05/09/16

How do you write a function for a job that pays $2000 a month with a 2% annual raise
Neha is trying to decide two e between possible jobs. Job A pays $2000 a month with a 2% annual raise. Job B pays $24,000 a year with a $500 annual raise. Write a function that represents the jobs... more
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05/06/16

how do i find the value of a missing number when i already have a mean?
i need so much help just help m please!!!
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05/05/16

Priscilla is employed as a clerical assistant on an annual salary of $83200. If Priscilla is paid every fortnight, calculate her gross pay for this time period
I've been trying to solve this for the next 15 minutes and do not get it.
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05/05/16

Suppose you discover a magical U.S. quarter (25 cent piece)
Suppose you discover a magical U.S. quarter (25 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... more
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