02/08/16

Problems w/o solutions
The sponsor of a time-share vacation condominium plans to sell the permanent use of an apartment for 50 weeks each year. Each week is designated to be either "prime" or "off-season." If each prime... more
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02/08/16

Proportions questions
A model house has a scale of 1 in : 2 ft. If the real house is 26 ft wide, then how wide is the model house?
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02/08/16

How do I solve this by zeros method? I'm stuck
X-3y=15 I need to solve it by zeros and graph it and 2x+3y=-6 is the other equations as well that I need to graph can someone help?
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02/08/16

if 3 specific persons among 6 insist to be lined up , how many ways are possible
related to probability
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02/08/16

1000/4.016 (divide)
Okay so i dont understand at all because the number in the dividend is smaller than 1000? 
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02/08/16

how many care are in the lot
There are between 75 and 125 cars in a parking lot. Exactly 25% ofthem are red. Exactly one-ninth of them have out-of-state licenseplates. How many cars are in the lot?
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02/06/16

I just need the equation not the answer
The larger base of a trapezoid is three times as long as the shorter base, and the height of the trapezoid is 2 inches longer than the shorter base. The area of the trapzoid is 70 square inches.... more
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02/06/16

How do you find the resultant vector?
Two tugboats are needed to bring a tanker into harbor. Tugboat A heads at 120° going 12 mph, and Tugboat B goes 15 mph with a direction of 72°. Find the resultant vector. At what speed is the... more
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02/05/16

Finding alpha to model a sinusoidal wave
I am modelling a graph in the form y = Asin(ωt +α) +c, but I have got stuck on calculating alpha.   So far I have calculated... the central line is at y=100 A = 24 period = 38 ω = 360/38 =... more
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02/05/16

More factoring!!!
How do I get from 4x2-32x to 4x(x-2)(x2+2x+4)???
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02/05/16

The equation of line AB is (y-3) = 5 (x - 4). What is the slope of a line perpendicular to line AB?
The equation of line AB is (y−3) = 5 (x − 4). What is the slope of a line perpendicular to line AB?
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02/05/16

Triangles, circles, area
A) What is the length of each side of the smallest equilateral triangle that will hold 10 circles, each with a diameter of 1.5 inches?   B) How many square inches of the triangle's area are NOT... more
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02/04/16

How many liters of 25% acid solution must a chemist add to 80L of 40% acid solution to obtain a mixture that is 30% acid?
Please show details of the problem
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02/04/16

pizza coupon
If you have a coupon for 2 medium pizza's for $12.99 and a large pizza for $10.99.  Which is the better deal?
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02/04/16

could someone help with math?
Solve the following inequality, then graph the solution set.7-4(y-1)>-y+7
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02/03/16

(x+5y=8 ) & (-x+2y=-1) determine point of interaction
Determining the point of interaction?? 
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02/03/16

if a car travels at a rate of 65 mph, how long does it take for the car to travel 25 miles?
Question regards literal equations and Multi-step equations 
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02/03/16

could someone help me with this math problem?
-1/4y-1/3≤2/3
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02/03/16

solve system of equations
20n+ 50m=20 70m+30n=29   m= n=
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02/03/16

Find the domain and range of the function. (Enter your answers using interval notation.) f(x) = 3x2 + 8, 0 = x = 4
    Find the domain and range of the function. (Enter your answers using interval notation.) f(x) = 3x2 + 8, 0 ≤ x ≤ 4 so, i got my domain which is; [0,4], but I don't know how to get the domain,... more
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02/03/16

The sides of a triangle have lengths x, x+4 and 30. Specify those values of x for which the triangle is acute with longest side 20
I honestly have Bren struggling I'm geometry and K seriously need help 
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02/03/16

What is (2,-4),m=5 in point slope form
Point slope form
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02/03/16

Word problems requiring logarithims
A certain type of bacteria, given a favorable growth medium, doubles in population every day. If you begin with 10 bacteria, how many days will it take for the population to reach 20,000?
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02/03/16

angle between tangents
if two tangents are drawn from a point on x2 + y2 = 16 to the circle x2 + y2 = 8 then the angle between the tangents is (I)900 (ii)450 (iii)1200 (iv)1800
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02/02/16

Two examples to support the reasoning. The LCM of two numbers is the product of the two numbers
Please help!! I need to give two examples The LCM of two numbers is the product of the two numbers
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