10/02/19

#### All corners were sliced off of a cube whose volume was 2000 cubic centimeters.

Triangular faces are not located where the cube's vertices were. Each triangle is equilateral with 5-centimeter sides. Determine the number of edges on the new solid.

10/02/19

10/02/19

#### Trying to explain this to help my son

Based on data about the growth of a variety of ornamental trees, the following logarithmic model about these trees was determined:                h(t) = 6.108 ln(t) + 6.099, where t = age of tree... more

10/02/19

#### Calculate redshift of a Galaxy using recession velocity and distance

A galaxy is receding away from us with a recession velocity of 100,000 km s^−1. What is the distance to this galaxy? (Don't input the distance, just calculate it.) What is the redshift z of this... more

10/01/19

#### physics problem

An antitank weapon fires a 3.00 kg rocket horizontally. The rocket acquires a speed of 50.0 m/s after traveling 90.0 cm down a launching tube. Assuming the rocket accelerates uniformly, what is the... more

10/01/19

#### basic physics help! :) thanks

The rate of change of atmospheric pressure P with respect to altitude h is proportional to P, provided that the temperature is constant. At a specific temperature the pressure is 101.3 kPa at sea... more

09/30/19

#### find the coordinates of the point 3/4 of the way from a to b

the coordinates of b is (-3,3) the coordinates of a is (-5,-4)

09/30/19

#### SCalcET8M 3.8.017 PHYSICS HELP

Suppose that a population of bacteria triples every hour and starts with 600 bacteria. Find an expression for the number n of bacteria after t hours.n(t) =Use it to estimate the rate of growth of... more

09/30/19

#### Need help with two questions for math.

Use this equation for the 2 problems.  h(t)= 32+30sin(pit/60 -pi/2)1. If the Ferris wheel stops after 8.5 minutes, how high from the ground would you be? 2. The Ferris wheel starts again from the... more

09/29/19

#### Two identical objects start at the same height above level ground. Simultaneously, object A is launched at an angle of 30° above horizontal and object B is launched at angle of 30° below horizontal.

Two identical objects start at the same height above level ground. Simultaneously, object A is launched at an angle of 30° above the horizontal and object B is launched at an angle of 30° below the... more

09/29/19

#### college trigonometry

let a be an acute angle in degrees. adding together a's complement, a's supplement and one of a's coterminal angles gives 2019 degrees. determine a.

09/29/19

#### Write an expression

multiply 3 by k, then subtract the quotient of 2 and 8 from the result

09/29/19

09/26/19

09/25/19

#### Stokes' Theorem and Cylindrical Coordinates

For a function B=z i − 3x j + 2z k prove the Stokes’ theorem over the circle x2+y2=1 acting as a base of the upside-down paraboloid z = 1 − x2 − y2, z ≥ 0.Hint: convert this function... more

09/24/19

#### Given: △DMN, DM=10 3 m∠M=75°, m∠N=45° Find: Perimeter of △DMN

Given: △DMN, DM=10    m∠M=75°, m∠N=45°    Find: Perimeter of △DMN

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