11/29/17
the number of solutions (x,y) to the equation 2^2x-3^2y= 55, where x and y are integers is...?
I cant figure out what x and y are
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11/29/17
Given x^2+ 8y^2=8 find d^2y/dx^2
Find the second derivative of the equation.
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11/29/17
0,3+4i coefficient of 2 and zeros for the function
Leading coefficient of 2 and the function
11/29/17
Given the function f(x) = 2|x + 6| – 4, for what values of x is f(x) = 6?
Given the function f(x) = 2|x + 6| – 4, for what values of x is f(x) = 6?
11/29/17
What is the Integral of Xsqrt(4+x^2) and the Integral of Xsqrt(4-x^2) ? Using trig substitution
Using the techniques of trig substitution : ∫×√(4+x2 ) dx and ∫×√4-x2 )
dx How can I solve these using trig substitution?
11/28/17
How do I solve this Pre-Calculus problem?
List all possible rational zeros of f (x)= 2x^3-4x^2+5x-3. Then determine the rational zeros.
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11/28/17
The "feasible region" for x + y ≤ 9, y ≥ 5, x ≥ 0. Which of the following is not a vertex of the "feasible region"?
Sketch the "feasible region" for x + y ≤ 9, y ≥ 5, x ≥ 0. Which of the following is not a vertex of the "feasible region"? (0,5) (0,9) (5,4) (4,5)
11/27/17
General solution of coax + sinx - sin2x = 1/2
General solution of coax + sinx - sin2x = 1/2
11/26/17
Maclaurin's series
Expand esin x as a series of ascending power of x upto term containing x4.
11/26/17
plz explain how you solve 550(1+x/100)^10=638.30 (compound interest)
plz explain
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11/26/17
For what values of k will the line y=x+k be tangent to the circle x^2+y^2=25
This question is on pg 351 of the principles of mathematics 10 the section is 6.5 Interpreting Quadratic Equation Roots the answer is suppose to be 7.07 or -7.07 but I don't know the steps to get...
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11/25/17
It is known that the coefficient b and c in the equation x^2+bx+c=0 are also the roots of that equation (c≠0).
Find b and c.
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11/25/17
Rational expressions
Can someone please help with this problem?
Find any values of the variable that make the expression undefined
2y =
8y+7
I did 8y+7= y= -7/8
so the answer will be...
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11/24/17
The difference between the roots of the equation 2x^2−5x+c=0 is .25. Find c.
PLease help me!
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11/23/17
Find an equation for the set of all points (x,y) such that the angle from ghe x axis to the line joining (x,y) and the origin equals y.
Answer is x=ycoty
11/23/17
6, -4, -7, 3 =20 using order of operations
it is a math puzzle. I need to figure out which order these numbers go in. I cant Figure it out.
🔲+🔲-🔲x🔲=20
here are the numbers to plug in
6 -4 -7 3
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