05/07/14

if outside forces do not act on a rotating body and it contracts , what if anything will happen to the rate at which it spins.
could someone explain this for me please ?
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05/07/14

A dummy is fired vertically upward from a cannon with a speed of 40 m/s. How long is the dummy in the air? What is the dummy's maximum height?
A dummy is fired vertically upward from a cannon with a speed of 40 m/s. How long is the dummy in the air? What is the dummy's maximum height? sdsdsdsdsdsdsdsdsdsd
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05/07/14

x2 - 7x = -13
Solve x2 - 7x = -13.x equals quantity of negative 7 plus or minus I square root of 6 all over 2x equals quantity of negative 7 plus or minus I square root of 3 all over 2x equals quantity of 7 plus... more
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05/06/14

Surface Area of Cylinders
A cardboard shipping container is in the form of a cylinder with a radius of 6 centimeters and a volume of 8595.4 cubic centimeters.   What is the length of the shipping container?   What is... more
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05/06/14

What are the restrictions for (y^2-9)/(y^2 +3y -18)
I know that the bottom factors into (y+6)(y-3) and the top factors into (y+3)(y-3).  Since the (y-3) quantities can cancel, is +3 still a restriction?
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05/06/14

question 6
A producer of graphing calculators has found that the revenue R (in dollars) is well represented by the expression below when the unit price is set at "x" dollars. If the producer sets the... more
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05/06/14

Iv'e been stuck on this question forever!!! Help!!
4c8-8c2
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05/06/14

Square feet
I'm going to lay a new carpet in my office. It is rectangular in my room is 21 x 15. How many square feet a carpenter I need to buy? I will need to use a formula: area of a rectangle
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05/06/14

How can you subtract 45 from 22?
The answer is more like 22 from 45. In such a case do you always make it a negative number? 
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05/05/14

verify identity
sin(X)sec(x)=1-(cos^2)x/sin(X)cos(X)
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05/05/14

Earth Science c/o glacier
  a mound or ridge left behine by a glacier is called   a.  u-shaped vallley b.  till c.  terminal moraine   i think it is answer C     thanks
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05/05/14

-8< 2x-2 <0 how to graph
graph on number line  
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05/05/14

how to solve -4x-4x=67-3
how to solve -4x-4x=67-3
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05/05/14

Change a recipe from a serving of 6 to 3
30-min spaghetti and meatballs ingredients: 1. 2 tbsps extra-virgin olive oil 2. 1/2 yellow onion (chopped sweet) 3. 3 cloves chopped garlic 4. 1 cup carrots (very finely chopped) 5. 1 cup brow... more
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05/05/14

exact distance between (4,-6) and (13,-15)
the exact and approximate distance between the two order pairs (4,-6) and (13,-15) can you please show me how to do it and give me the answers
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05/05/14

Finding the x-coordinate
What is the value of the x- coordinate of the solution to the following system of equations?    3x+y=3 -2x + 2y = -10
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05/05/14

How do I simplify the rational expression -5x^3y / 15xy^3
I also have to state the restrictions on the variables
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05/05/14

how to solve?
The symbol log x indicates that it is a base 10 logarithm. The solution of the equation log (x-1)=2 - log (25) is an integer. What is your answer? (Give number as an interger only)
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05/05/14

how to solve?
Find the radius of the circle given by x^2 -10x + y^2 + 8y= 11. Round answer 1 decimal place.
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05/05/14

May I have help solving this problem?
Suppose that an object is projected in such a way that its height above the ground in feet after t seconds i s given s(t)= 16t^2 +48t + 40. Find the maxium height of the object.
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05/05/14

what is the gravitational constant
we are doing a science fair project with gravitational potential energy and are wondering what exactly is the gravitational constant
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05/05/14

Please helppp =(
Find how long it takes $1500 to double if it is invested at 6% interest compounded semiannually. Use the formula    A=P ( 1 + R/N)nt  to solve the compound interest problem   it will take... more
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05/05/14

Having hard time with this.... Help?????
Find how long it takes a $1600 investment to earn $200 interest if it is invested a 6% interest compounded quarterly $200 interest will be earn in approximately years ????? (round to the nearest... more
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05/04/14

F(x)=mx+b story problem
A store holds birthday parties for kids. They charge a party fee plus a fee for each guest. If there are 10 guests it cost $105 while if there are 25 guests it cost $210. Find a f(x) =mx+b where... more
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05/04/14

Use switch and solve to find f-1(x)
Use switch and solve to find f-1(x)   F(x)= the square root of x-4
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