Answers created by Kevin G.

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Question #11608
How do galaxies retain their form?
What is the length of the hypotenuse of a right triangle if the two other sides are of lengths 9 and 10?
How do you use the binomial series to expand ${(1 + x)}^{12}$ $(1 + x)^12$ ?
Why is the atomic mass of an element an average mass?
How do you solve $10 = e^{x}$ $10 = e ^ x$ ?
How do you find the vertex and intercepts for $f (x) = 3 {(x - 2)}^{2} + 1$ $f(x)=3(x-2)^2+1$ ?
How do you multiply ${(k - 7)}^{2}$ $(k-7)^2$ ?
How do you multiply ${(5 t + 9)}^{2}$ $(5t+9)^2$ ?
How do you know if $f (x) = x^{3} + 1$ $f(x)=x^3+1$ is an even or odd function?
How do you find the amplitude, period, and shift for $y = 4 tan 2 (x - \frac{π}{2})$ $y=4tan2(x-pi/2)$ ?
How do you find the inverse of $y = ln (x + 2)$ $y=ln(x+2)$ ?
What is the name of $S n {(C r O_{4})}_{2}$ $Sn(CrO_4)_2$ ?
What is $\frac{11 π}{12}$ $(11pi)/12$ radians in degrees?
What are the asymptotes and removable discontinuities, if any, of $f (x) = \frac{4 x^{4} - x^{5}}{x}$ $f(x)=(4x^4 - x^5) / x$ ?
How do you expand $(ln (5^{1})) ⎛ ⎝ ln ⎛ ⎝ \frac{2}{{(3^{- 2})}^{- 2}} ⎞ ⎠$ $(ln(5^1))(ln(2/(3^-2)^-2)$ ?
How would you balance the following chemical equation: mercury (II) hydroxide + phosphoric acid --> mercury (II) phosphate + water?
How do you simplify $\frac{{(2 m^{4} n^{2})}^{4}}{- 18 m^{5} n^{4}}$ $(2m^4n^2)^4/(-18m^5n^4)$ ?
How many grams of water are produced when propane (C3H8) burns with 12.0 L of oxygen at STP?
How do you evaluate (xy)/z, when x = 10, y = 2 and z = -4?
What is the area of an equilateral triangle with an apothem 2cm long and a side 6.9 cm long?
Why is the electron configuration of chromium?
Is it possible to factor $y = x^{2} + 12 x + 36$ $y=x^2 + 12x + 36$ ? If so, what are the factors?
How do you prove $2 tan (x) sec (x) = (\frac{1}{1 - sin (x)}) - (\frac{1}{1 + sin (x)})$ $2tan(x)sec(x) = (1/(1-sin(x))) - (1/(1+sin(x)))$ ?
How do you solve $- 2 t + 2 (4 t + 1) = 2 (4 t - 3) + 6$ $-2t + 2(4t + 1) = 2(4t-3) + 6$ ?
How do you find $\int csc (x) d x$ $int csc(x)dx$ ?
What is the standard form of $y = (2 x + 3 x^{2}) (x + 3) - {(x - 2)}^{3}$ $y= (2x+3x^2)(x+3) -(x-2)^3$ ?