11/06/20

If x + a = x - a, then a =

If x + a = x - a, then a =A. 0B. -2xC. -xD. xE. 2x

11/04/20

Wave motion physics multiple choice question

Which of the following is characteristic of longitudinal waves?A. The material oscillates in circular eddies parallel to the direction of the propagation of the wave.B. The material oscillates in... more

11/03/20

Would I still use 1-Tcold/Thot?

The maximum temperature achievable with concentrated sunlight is the 5,800-K temperature of the Sun’s surface. Find the maximum thermodynamic efficiency of a heat engine operating between this... more

Find the value of r so that the line goes through the points 4,5 and r,3 and has a slope of 2/3

QUICK!! Please help! Fffftffffffffffffffffffffffff

11/01/20

Exponential from 2 points

Write an exponential function in the form y=ab^x that goes through points (0,9)and (10,9216)

10/29/20

What is the ball's centripetal acceleration?

A child attaches a rubber ball to a string and whirls it around in a circle overhead. If the string is 0.2 m long and the ball's speed is 16 m/s, what is the ball's centripetal acceleration?

10/29/20

Write an equation for a line perpendicular to y = − 5 x + 1 and passing through the point (15,0)

Please show me the step by step process

10/28/20

The failure tensile load for a steel wire 1.0mm in diameter is 540N. What is the failure tensile stress?

Please include equations/ work to further my understanding.

10/27/20

what is the slope of y=1

Find an nth-degree polynomial function with real coefficients satisfying the given conditions.

n = 33 and 4 i are zeroesf(1) = -102f(x) =

10/22/20

Which of the following is a false concept?

A) For a uniform symmetric object, the center of gravity is at the center of the symmetry. B) For an object on the surface of Earth, the center of gravity and the center of mass are the same point.... more

Exponential and Logarithmic

Solve ln x-2 = 5

10/17/20

What is the sum of 2 numbers is 20 and the differance is 4

I am in collage and i need to know it cause i totally forgot and if u dont belive me dont answer this qustion.

Quadratics Equations

Make a quadratics equation with the answers {3 , -2/5}

How would you graph a line if your intercepts are both 0?

Let's just say that you have x-2y=0, and both of your intercepts (x-intercept and y-intercept) are equal to 0. Would your line on the graph go horizontally or vertically? (I know that a vertical... more

10/14/20

Find two consecutive odd numbers whose sum is 144.

I'm having trouble with this and I don't understand at all.

10/14/20

Problem Solving with Kinematics Equation 1

A bicyclist is traveling at a speed of 5 m/s when it suddenly accelerates, at a constant rate of0.6 m/s2, for a time of 10s. What is the speed of the bicycle at the end of that 10s?

10/12/20

How would I solve (B/B) • B if given vector B?

So I am given that vector B is in quadrant 1 and the magnitude of vector B is 6.9 and the angle of vector B is 53.0. So what would (B/B) • B = ?

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