04/23/16

Nancy can do a typing job in 8hours. When Carole helps her, they can do the job together in 5hours. How many hours would it take Carole to do the job alone?
 I want to know how many hours and minutes the answer will be.
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04/23/16

probabilty
Hi there can someone help me with this  rule 1: the password must contain at least7 characters rule 2: it must contain at least 3 out of the following four character groups  english upper case... more
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04/23/16

y varies directly as x and inversely as the square of z
y varies directly as x and inversely as the square of z. y equals 88y=88 when x equals 36x=36 and z equals 3z=3. Find y when x equals 75x=75 and z equals 5z=5.
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04/23/16

By what percent did the population increase by each year
the population of winnemucea,Nevada can be modeled by P=619(1.12)^t where t=0 refers to 2009
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04/22/16

Story problem
A football weighs 14 ounces.  A carton of footballs weighs 7 pounds.  How many footballs are in a carton?
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04/22/16

The sum of two numbers is 60. If three times the smaller number is subtracted from the larger? number, the result is 12. Find the two numbers
The sum of two numbers is 60.  If three times the smaller number is subtracted from the larger? number, the result is 12.  Find the two numbers
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04/20/16

Angle of elevation
You are standing 200 feet away from the Statue of Liberty that is 200√3 feet tall and looking at the top of it. What is the angle of elevation from the ground (where you are standing) to the top of... more
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03/16/16

It takes 46 minutes for 10 people to paint 3 walls. How many minutes does it take 4 people to paint 6 walls
I want to know how do you do this question and how to get the answer. I am stuck on this question and it is really confusing to me. I hope you can help me do this question so I don't have to ask... more
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03/16/16

mary is 64 inches tall. this is 20 inches less than twice raul's height,what is raul's height
mary is 64 inches tall. this is 20 inches less than twice raul's height what is rault's height  
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03/16/16

Algebra II help please.
What is the maximum number of turning points in the graph of P(x) = 2x² + 14x - 7? a) 1 b) 2 c) 3 d) 4
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03/14/16

A 7ft tall person is walking away from a 20 ft tall lamppost at what rate of 5ft/sec. at what rate... the lamppost?
A 7ft tall person is walking away from a 20 ft tall lamppost at a rate of 5ft/sec. Assume the scenario can be modeled by right triangles. At what rate is the length of the persons shadow changing... more
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03/12/16

could someone help me understand this math problem?
Reduce the rational expression to lowest terms. If it is already in lowest terms, enter the expression in the answer box.   (2r2+7r+3)/(r4−81)
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03/10/16

Answer in simplest form Paul watched television for 3/4 hour on monday and 5/6 hour on Tuesday. How many more hours dis he watch television on Tuesday?
answer in simplest form. paul watched television for 3/4 hour on Monday and 5/6 hour on Tuesday. how many more hours did he watch television on Tuesday?
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03/10/16

pharmacy calculations
Order: Zithromax 500 mg po qd (every day) x 4 daysSupply stock: 100mg/5ml in a 50ml bottleSupply stock: 200mg/5ml in a 100ml bottleSupply stock: 100mg/5 ml in a 100ml bottleSupply stock: 100mg/5ml... more
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03/08/16

region bounded
Find the area of the region bounded by the graphs of y = x, y = -x + 4, and y = 0.   4 2 8 None of these
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03/08/16

circle solid
The base of a solid is the circle x2 + y2 = 9. Cross sections of the solid perpendicular to the x-axis are semi-circles. What is the volume, in cubic units, of the solid? (2 points) 9x/4 18π 9π 72π
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03/07/16

where did i mess up
i need help, im trying to figure out the percentage of 35 using 40.  the answer i got wasnt right. this is what i did.    35=x --   -- 40  100      35(100)=40x                   3,500=40x    ... more
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03/07/16

Algebra II 6.
Find the zeros of the polynomial and state the multiplicity of each zero.f(x) = 3(x + 6)2(x - 6)3Question 6 options: 1) x = -6, multiplicity 2; x = 6, multiplicity 3 2) x = -6, multiplicity 3; x =... more
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03/07/16

A 0.024-kg bullet is fired vertically at 225m/s into a 0.15-kg baseball that is initially at rest
A 0.024-kg bullet is fired vertically at 225m/s into a 0.15-kg baseball that is initially at rest. How high does the combined bullet and baseball rise after the collision,assuming the bullet embeds... more
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03/07/16

how ca we resolve into factor this: x2-9x+20
resolve into factor: x2-9x+20
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03/06/16

Math Problem
A bat, the flying kind, has a rocket strapped to its back. The bat is launched straight up. After 5 seconds, it is 500 ft above the ground. After 10 seconds it is 750 ft above the... more
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03/06/16

I need help with these: 4e^3x + 7 = 12 and 3logbase2^x = -7
I need to know the steps of both of these
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03/06/16

I have a geometry question..
I am having trouble with this geometry word problem. If you could explain in detail it would be greatly appreciated.   In making a ( two-dimensional) net of a cylinder, Mark was confused. He... more
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03/06/16

Math true or false
A. If a quadratic function has at least one real zero and the vertex of its graph is (3,-5), then the graph of the function is a parabola that opens down.   B. Suppose that the function y=f(x) is... more
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03/06/16

What is the height of the prism?
A triangular prism has base side lengths 4 cm, 5 cm, and 6 cm. The lateral surface area is 300 cm squared. What is the height of the prism.
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