04/17/17

Find the length of the segment with endpoints of (3,2) and (-3,-6).
please explain how to solve this problem. thank you.
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04/15/17

Leg oscillation question
Consider a Tyrannosaurus which has a leg length of approximately 3m. Approximate the leg as a board. What would be such a boards period of oscillation if swinging freely about its end? I keep... more
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04/15/17

h=80t-16t^2
h=height in feet t=time in seconds if h=96 feet, t=?
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04/14/17

Cos^2x*cscx-cscx
      "                                                                                    
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04/12/17

The sets A and B are defined as follows.?
F= {wIw ≤3} H= {wlw >9}     Write A U B and A ∩ B using interval notation. If the set is empty, write ∅
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04/12/17

Finding real soutions
determine the real solutions to the system of nonlineat equations x+y=1 y=x2-5
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04/12/17

cant fit whole question
In a murky lake ,the intensity of light is reduced by 5% for every meter that the light travels below the surface of the water.What percent of the original light intensity remains at a depth of 2... more
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04/11/17

the mass of a star is 2.6 x 10^33 grams. the mass of planet orbiting the star is 2 x 10^27 kilograms. whats the difference?
what am i supposed to say to this? i have no idea on what to say lmaooo. i just need help with my math word problem plzz
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04/11/17

a football player kicks a ball at an angle of 30 degrees with the initial velocity of 64 feet per second. Its height t seconds later in h(t)=32t-16t^2 feet
a.) find v(t), the vertical velocity of the ball at time t. Give units  b.) find v(1) and explain what is happening to the ball at this time. What is the height of the ball at this time? c.) When... more
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04/11/17

The cost and revenue functions of a company are given by the equation C(x)=30x+1000 and R(x)=70x-1000, respectively.
In these equations, x is the number of items produced and sold and C(x) and R(x) are in rands.   8.1 Determine the profit function P(x). 8.2 What is the break-even level? 8.3 Draw a neat plot... more
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04/11/17

determine the values of x, if any, at which f(x)=x^6-x^4 has a horizontal tangent line.
 determine the values of x, if any, at which f(x)=x^6-x^4 has a horizontal tangent line.
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04/10/17

HELP WITH 12TH GRADE ALGEBRA HOMEWORK PLEASE!!!
What is the price for a bottle of water when the combined total for it and an apple pie is $7.50 with the pie costing $6.00 more than the pie?
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04/09/17

how do i solve this question algebratically to find the zeros/roots/solution/x-intercept
f(x)=(x-3)2-49
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04/08/17

In the formula, F = (a - 7)with a little 3 after the brackets, what is the value of F when a = 2?
In the formula F= (a-7)³, what is the value of F when a = 2?      (Year 9 math)
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04/06/17

Calculus Help
The total cost of production, in thousands of dollars, is given by C(q) = q3 – 12 q2 + 36q. where q is in thousands and 0 < q <8 a. Write the average cost function. b. For what value of q is... more
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04/05/17

If f(x)=2x squared - x, what is f(-6)?
I don't understand this problem and I need help with it.
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04/03/17

What is the vertex?
y=4x2 + 2x - 15
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04/03/17

Inequalities
a cell phone plan charges 40 dolars a month plus .10 dolars per text msg. If Lauren wants to keep her monthly bill under 50 dolars how many text msgs x can be sent
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04/01/17

56.25% of what number is 168.75?
I think it's a pretty hard question. I already spent 20 minutes in this question. But I couldn't figure out the question.
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03/31/17

one gear wheel turns another
One gear wheel turns another the teeth being on the rims. The wheels have 40cm and 50cm radii, and the smaller wheel rotates at 20rpm. find angular speed of larger wheel in radians per second
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03/30/17

3√​-27y^7x^5z^6
simplify (^3√-27y^7x^5z^6)  
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03/27/17

Math question
What happens to the surface area of a rectangular prism if you double one dimension?
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03/21/17

10m^6 n^3/20m^3 n^7
Algebra honors class. Don't have my notes with me so I can't look up how to do this specific problem. 
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03/12/17

What is the explicit rule for the arithmetic sequence that defines the number of boxes of soda drink sold in week n?
A supermarket finds that the number of boxes of a new soda drink sold increases each week. In the first week only 24 boxes of the soda drink were sold. In the next week 56 boxes of the soda drink... more
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03/09/17

how to factor 3^n*5+1/2*2(3^n-1) into 3^n(6) - 1
In class our professor turned: (3n)*5 + (1/2) * 2(3n-1) into 3n(6) - 1   How is this possible and what steps were used to make this happen?   Thanks a bunch!
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