Answers created by Eric C.

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Question #723ce
Determine the energy of a photon whose frequency is 5.28 × 1017 Hz?
How do you solve $\frac{5}{2 x} = \frac{25}{4}$ $5/(2x) = 25/4$ ?
Question #b9d0a
Question #90311
Question #c16e1
How do you simplify $(y^{3} - 2 y^{2} - 3 y + 4) - (2 y^{3} - y^{2} + y - 3)$ $(y ^ { 3} - 2y ^ { 2} - 3y + 4) - ( 2y ^ { 3} - y ^ { 2} + y - 3)$ ?
What do the slope and intercept represent in a Mass vs 1/acceleration graph?
Question #a819f
Question #2fdbe
How do you solve $20 + 25 x = 345$ $20+25x=345$ ?
How do you integrate $\int_{0}^{π} (8 e^{x} + 6 sin (x)) d x$ $\int _ { 0} ^ { \pi } ( 8e ^ { x } + 6\sin ( x ) ) d x$ ?
How do you solve $2 (2 e - 8) + 5 e = 29$ $2( 2e - 8) + 5e = 29$ ?
Question #21940
How do you sketch $y = 3 sin 2 (x - 1)$ $y = 3 sin 2 (x-1)$ ?
How do you graph $y + 1 < 4$ $y+1<4$ ?
How do you simplify $\sqrt{2 x} \cdot \sqrt{15}$ $sqrt(2x)*sqrt(15)$ ?
A model train with a mass of $7 k g$ $7 kg$ is moving along a track at $15 \frac{c m}{s}$ $15 (cm)/s$ . If the curvature of the track changes from a radius of $24 c m$ $24 cm$ to $45 c m$ $45 cm$ , by how much must the centripetal force applied by the tracks change?
How do you graph $y = - \frac{3}{7} x - \frac{1}{7}$ $y =-3/7x-1/7$ using the slope and intercept?
A model train, with a mass of $8 k g$ $8 kg$ , is moving on a circular track with a radius of $1 m$ $1 m$ . If the train's rate of revolution changes from $\frac{5}{3} H z$ $5/3 Hz$ to $\frac{1}{4} H z$ $1/4 Hz$ , by how much will the centripetal force applied by the tracks change by?
How do you solve $\frac{3}{x} = \frac{7}{10}$ $3/x=7/10$ ?
How do you find the vertex and the intercepts for $y = - x^{2} + 4 x + 12$ $y=-x^2+4x+12$ ?
How do you find the domain of $f (x) = \sqrt{4 - x}$ $f(x)=sqrt(4-x)$ ?
How do you solve $\frac{x - 2}{2} \leq 3$ $(x-2)/2 <=3$ ?
A model train with a mass of $2 k g$ $2 kg$ is moving along a track at $18 \frac{c m}{s}$ $18 (cm)/s$ . If the curvature of the track changes from a radius of $9 c m$ $9 cm$ to $12 c m$ $12 cm$ , by how much must the centripetal force applied by the tracks change?
What is the mean of the numbers 21, 23, 76, 47, 55, 135, 45, 30, 17?
What is the equation of the line that passes through (2, 1) and (5, -1)?
A high school athlete runs $1.00 \cdot 10^{2}$ $1.00 * 10^2$ $m$ $m$ in $12.20$ $12.20$ $s$ $s$ . What is the velocity in $m$ $m$ $/$ $/$ $s$ $s$ and $k m$ $km$ $/$ $/$ $h$ $h$ ?
How do you solve $2 x + 7 > 17$ $2x + 7> 17$ ?
How do you solve $x^{2} - 6 x + 6 = 0$ $x^2 - 6x + 6 = 0$ using the quadratic formula?
How do you graph the line $y = 4 x + 3$ $y = 4x + 3$ ?
How do you find the slope of the line that passes through $(52, 76)$ $(52, 76)$ and $(51, 78)$ $(51, 78)$ ?