Find the triple scalar product (u x v) ∙ w of the given vect… Find the triple scalar product (u x v) ∙ w of the given vectors.u = -5i – 3j + 4k; v = 5i – 3j + 6k; w = 10i – 6j – 5k Read Details
Find the angle between the given vectors. Round to the neare… Find the angle between the given vectors. Round to the nearest tenth of a degree.u = i – j, v = 3i + 5j Read Details
True or False:If the and , the appropriate decision is to R… True or False:If the and , the appropriate decision is to REJECT the null hypothesis. Read Details
Find the length of the curve with the given vector equation…. Find the length of the curve with the given vector equation.r(t) = 3ti + j + k; 2≤ t ≤ 7 Read Details
Write the equation for the plane.The plane through the point… Write the equation for the plane.The plane through the points P(-1, 7, -44) , Q(2, -3, 20) and R(1, -1, 4). Read Details
Find the unit tangent vector of the given curve.r(t) = 3t2i… Find the unit tangent vector of the given curve.r(t) = 3t2i – 12t2j + 4t2k Read Details
If r(t) is the position vector of a particle in the plane at… If r(t) is the position vector of a particle in the plane at time t, find the indicated vector.Find the acceleration vector.r(t) = (7 ln(9t))i + (8t3)j Read Details
Solve the problem.A 150-lb sign is hanging from the end of a… Solve the problem.A 150-lb sign is hanging from the end of a hinged boom, supported by a cable inclined at 36° with the horizontal. Find the tension in the cable and the compression in the boom rounded to the nearest pound. Read Details
Evaluate the line integral along the curve C.ds, C is the cu… Evaluate the line integral along the curve C.ds, C is the curve r(t) = (4 sin t)i + (4 cos t)j + 12tk, 2 ≤ t ≤ 4 Read Details
During what age range is brain growth the fastest? At what a… During what age range is brain growth the fastest? At what age does the brain finish pruning the prefrontal cortex? Read Details