02/18/16

Can you help me find the area under the curve integral from 2 to 4 using midpoint riemann sum with two equal subintervals?
  I want to make sure I did this correctly. Thanks. The points are (2,3), (2.5,2), (3,4), (3.5,3) (4,5). 
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02/17/16

  Find a possible formula for the quadratic function whose graph has  a x intercepts 2 and 4  and y intercept 22
      Find a possible formula for the quadratic function whose graph has  a x intercepts 2 and 4  and y intercept 22    
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02/17/16

What is the equation in vertex form?
Find the equation, written in vertex form, of a parabola that has a vertex of (3,-1) and a y-intercept of (0,-8)  
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02/17/16

Among all rectangles that have a perimeter of 144. find the demensions of the one whose area is largest
I don't know how to set this up and I am needing help. My professor did not tell me how to do this nor does my book
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02/17/16

Compute the difference quotient for the function f(x)=-16x^2+18x-1
F(x)=-16x2+18x-1
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02/17/16

Solve the equation for the indicated unknown.
Solve the equation for the indicated unknown. Write your answers exactly and then, where appropriate, approximate to four decimal places.   (e^n)^2-e^n=6 (Hint: try replacing e^n with another... more
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02/16/16

how many quarters and nickels makes 2.85
how many quarters and nickels makes 2.85
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02/16/16

Find the line orthogonal to plane
Find the line orthogonal to plane spanned by vector v= i-5j and vector 3k passing through (2,3,1)
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02/15/16

Shirley can complete a task in 5 hours, and Cora can complete the same task in 9 hours. How long should it take to complete the task, working together?
Write your answer as an improper fraction or mixed number
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02/15/16

which of the following are point slope equations of the line going through (6,7) and (2,-1)?
A. y-7=1/2(x+6) B.y+1=2(x-2) C.y+1=1/2(x-2) D.y-7=2(x-6) E.y-7=1/2(x-6) F.y-1=2(x+2)
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02/15/16

how to solve equation in term of z
solve the following system of equation in the terms of z   1. x+2y-2z=3 2. 3x+y+z=8
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02/15/16

function even odd or neither
f(x)= x/x2-2   what is f(-x)? what is -f(x)? Is f(x) even odd or neither?
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02/15/16

could someone help tell me what to do in this math equation?
Perform the following additions and/or subtractions: (2y^2−6y−1) (−2y^2+6y+1)   I thought the answer was zero because everything cancels out right? but according to my online homework that's... more
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02/14/16

A river has a current of 3mph. A boat goes 40 miles upstream in the same time it goes 50 miles . Find the rate of the boat in still water
And how do I get the answer?? I can't figure it out! 
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02/14/16

4/(x+5) < 1/(2x+3); solve for x
4/(x+5) < 1/(2x+3); solve for x
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02/14/16

Formula nth term series 4,9,16,25
Hello, could you help me find the formula for this series, please? How do I go about it?  4,9,16,25,...I know it starts with adding 5 and adding 2 more with every number, so adding 7 next, then 9,... more
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02/14/16

If there spheres of radius 3 cm, 4 cm and 5 cm are melted and cast into a large sphere, then find the radius of the large sphere so formed.
If there spheres of radius 3 cm, 4 cm and 5 cm are melted and cast into a large sphere,then find the radius of the large sphere so formed.
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02/14/16

If (x^a)(x^b)=x^10 and x^-a/x^b=x^4, what is the value of a?
Please help me with this problem
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02/12/16

What is the radius of a circle in which an angle of 3 radians cuts off an arc of 30cm?
Happy sweet
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02/12/16

Difference of cubes?
how to solve x^6-64 using difference of cubes. The answer is (x-2)(x+2)(x^4+4x^2+16) thankyou
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02/11/16

if a basketball team record is 42 wins and 32 loses how many games they need to win to reach 60%
it talks about percentage win and loses word problem algebra 2
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02/11/16

Adding and Subtracting Rational Expressions..?
The distance between Atlanta, Georgia, and Albuquerque, New Mexico, is about 1270 miles. The groundspeed for jet traffic from Albuquerque to Atlanta can be about 18% faster than the groundspeed... more
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02/10/16

Absolute value Question
how to solve the following absolute values.   E=element A.     l-x^2+4x-5l     the answer is -(-x^2+4x-5) if x E (-infinity,+infinity) B.     lxl + lx+3l        the answer is 2x+3 if x is E (0,... more
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02/09/16

What percent of 60 is 9
I need answers to my puzzle time homework because my teacher doesn't help me
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02/09/16

Find a formula for the linear function that has x -intercept 8 and y -intercept 9 .
How would I solve this? Help!
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