Answers created by Constance

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What is the derivative of $π cos (\frac{π t}{6})$ $picos((pit)/6)$ ?
How do you rationalize the denominator and simplify $\frac{4 \sqrt{5}}{3 \sqrt{5} + 2 \sqrt{2}}$ $(4sqrt5)/(3sqrt5+2sqrt2)$ ?
How do you solve $3 q^{2} - 16 q = - 5$ $3q^2 - 16q = -5$ ?
Question #37baf
How do you solve and graph $| x + 8 | < 16$ $abs(x+8)<16$ ?
How do you graph and solve $- 5 < \frac{1}{4} (x - 4) - 2 (4 - x)$ $-5<1/4 (x-4) -2(4-x)$ ?
How do you solve and write the following in interval notation: $- 1 \leq \frac{x + 1}{- 2} \leq 3$ $-1<=( x + 1) / -2<= 3$ ?
How do you find the domain and range of $y = 3 x^{2} + 2 x + 1$ $y=3x^2+2x+1$ ?
A is found to be 12.7% carbon, 3.2% hydrogen, and 84.1% bromine What is its compound empirical formula?
How does mass affect density? How does volume affect density?
Question #19845
Question #8e523
A triangle has sides A, B, and C. The angle between sides A and B is $\frac{3 π}{4}$ $(3pi)/4$ and the angle between sides B and C is $\frac{π}{12}$ $pi/12$ . If side B has a length of 7, what is the area of the triangle?
How do you find the axis of symmetry, graph and find the maximum or minimum value of the function $f (x) = - 7 x^{2} + 3 x + 1$ $f(x) = -7x^2 + 3x + 1$ ?
If sides A and B of a triangle have lengths of 12 and 3 respectively, and the angle between them is $\frac{7 π}{8}$ $(7pi)/8$ , then what is the area of the triangle?