Answers created by Dani W.

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What is -6(w+1) < 2(w+5) ?
What is the original molarity of a solution of a weak acid, given Ka and pH?
How many times taller is 7,000,000 than 70,000?
What is $[(8 + 5) \cdot {(6 - 2)}^{2}] - (4 \cdot 17 \div 2)$ $[(8+5)*(6-2) ^2] - (4*17 -: 2)$ ?
Is -3.25 rational or irrational?
If $\frac{x + 6}{x^{\frac{1}{2}}} = 35$ $(x+6)/x^(1/2) = 35$ then what is the value of $\frac{x + 1}{x}$ $(x+1)/x$ ?
How do you find the domain and range of $y = 2 x^{3} + 8$ $y = 2x^3 + 8$ ?
A homeowner made a down payment of $10,000 and pays $700 each month for his mortgage. Write a function that shows how much has been spent on the house in terms of the number of months it has been owned?
What is the equation of the line tangent to $f (x) = {(x - 1)}^{2} (2 x + 4)$ $f(x)=(x-1)^2(2x+4)$ at $x = 0$ $x=0$ ?
For what values of x is $f (x) = x^{2} - x + \frac{1}{x} - \frac{1}{x^{2}}$ $f(x)= x^2-x + 1/x-1/x^2$ concave or convex?
Question #27a8a
Question #b6de6
How do you rationalize the denominator and simplify $\frac{6 \sqrt{3} - \sqrt{7}}{4 - \sqrt{3}}$ $(6sqrt3 - sqrt7) /( 4 - sqrt3)$ ?
Cups A and B are cone shaped and have heights of $27 c m$ $27 cm$ and $25 c m$ $25 cm$ and openings with radii of $7 c m$ $7 cm$ and $9 c m$ $9 cm$ , respectively. If cup B is full and its contents are poured into cup A, will cup A overflow? If not how high will cup A be filled?
How do you simplify $\frac{((a + b) \div a) - \frac{b}{a + b}}{a + b} + \frac{\frac{b}{a} - \frac{a - b}{a + b}}{a - b}$ $\frac{((a+b)\div a)-\frac{b}{a+b}}{a+b}+\frac{\frac{b}{a}-\frac{a-b}{a+b}}{a-b}$ ?
Question #6ce93
If $64^{x} - 1 = 16^{\frac{x}{2}}$ $64^x-1=16^(x/2)$ , find $x$ $x$ ?
What are the local extrema, if any, of $f (x) = x^{2} (x + 2)$ $f(x) =x^2(x+2)$ ?
Question #399a4
How do you solve $- 5 (x + 3) > 6 x + 18$ $-5( x + 3) > 6x + 18$ ?
If $2 (a^{2} - b^{2}) = 44$ $2(a^2-b^2) = 44$ and $a - b = 2$ $a-b=2$ , what is the value of $a + b$ $a+b$ ?
How do you simplify $\frac{6 t + 9 t^{2} - 6}{2 + 3 t}$ $\frac { 6t + 9t ^ { 2} - 6} { 2+ 3t }$ ?
How do you differentiate $y = (- 7 x^{4} + 10 x^{\frac{2}{5}} + 8) (x^{2} + 10)$ $y=(-7x^4+10x^(2/5)+8)(x^2+10)$ using the product rule?
How much energy would it take to melt 1 aluminum soda can if the can starts out at 20°C, melts at 660°C, and has a mass of 14 g?
What role does temperature play on density?
Why was Rutherford wrong ?
Question #a8585