11/30/16

Gravity Physics

5. The mass of the planet Mercury is 3.30 x 10^23 kg and its radius is 2.439 x 10^6 m. What would a 65.0 kg person weigh on Mercury? What is the acceleration due to gravity on Mercury?... more

I am having trouble with this astronomy question

According to the present estimates, the Universe is about ______ years old.     A.14 × 107 B.14 × 109 C.14 × 105 D.14 × 1011

Find an antiderivative F(x) with F '(x) = f(x) and F(0) = 7. f(x) = sin(x) F(x)=

Find an antiderivative F(x) with F '(x) = f(x) and F(0) = 7. f(x) = sin(x) F(x)=

11/30/16

College Algebra

Find the [H3O+] for each substance with the given pH   drinking water 6.5

11/30/16

College Algebra

For each substance, find the pH from the given hydronium ion concentration     limes, 1.6 x 10^-2

11/30/16

a point charge of 6mc is placed at the center of a spherical shell of radius 30cm what is the total electric flux through any hemispherical surface of the shell

a point charge of 6mc is placed at the center of a spherical shell of radius 30 cm . what is the total electric flux through any hemispherical surface of the shell

11/30/16

what is the ratio of the surface areas of two spheres when thier radiis are in the ratio 1:4..??

option is 1:8 1:4 1:2 1:16

How do you turn these into a parallel and perpendicular equation?

1.y=4x+2 2.y=2/7x+1 3.y=-1/2x+1 4.y=-9x-13

11/30/16

Please help solve with steps, thank you.

Find y if the slope between (-8,y) and (-12,-8) is three

11/30/16

Please help solve with steps, thank you.

Find an equation for the line parallel to y+ -2x+8 and goes through the point (1,7)   Write your answer in the form of y=mx+b

11/29/16

physics question- max speed

An electric wheelchair encounters a resistance force of 302 Newtons. The motor for this wheelchair can output mechanical energy with a power of, at most, 1398 Watts. What is the maximum speed with... more

11/29/16

I thought i integrated it right using the power rule and adding C but I keep getting it wrong. Could you please point me in the right direction?

Ice is forming on a pond at a rate given by dy/dt= k√t where y is the thickness of the ice in inches at time t measured in hours since the ice started forming, and k is a positive constant. Find y... more

11/29/16

True and False regarding differential equations.

The question states If f(x) > 0 for all x, then every solution of the differential equation dy/dx = f(x)is an increasing function. For this one I said False because even if f(x) is positive... more

11/29/16

Powers to the what will only contain 1's and 0's

In dealing with exponents, what powers will only contain 1's and 0's. 

If x > 0 and y < 0, where is the point (x, y) located

i need help answering this question please help me 

How many seconds?

If an object is propelled upward from a height of 48 feet at an initial velocity of 64 feet per second, then its height after t seconds is given by the equation h(t)= -16t^2+64t+48, where height is... more

11/29/16

need the ancer to the liner function as a ordered pair y=-3-2x

needed a ordered pair  

11/29/16

How to solve this math problem 3(y-9)=30

3(y-9)=30

graph the function y=70x+50

Graph the slope intercept function y=70x+50

11/28/16

Evaluate the definite integral exactly using the Fundamental Theorem.

EX: ∫1 to 9  (1/w) dw So I have a few problems left that have this notation. I looked in my book and it doesn't describe what it means. What exactly does it want me to do, because I submitted the... more

11/28/16

Need help with physics Homework

1) A water wave passes a boat every 32 seconds. What is the frequency of the waves in Hz?     2)A set of waves has a frequency of 39 Hz and a speed of 5 m/s. What is the wavelength of the waves... more

factoring polynomials

  25x2-16

11/28/16

finding the general antiderivative (I keep getting the answers wrong but I am pretty sure I did them correctly)

Find the general antiderivative of the function below. Use C for the constant of integration. g(x) = 9/x^3 + 1/9√x   This question I used three of my attempts on so far. I keep getting this... more

11/28/16

How much magnesium sulfite is in a 5.22864 mol sample? Answer in units of g.

If you can explain how you solved it, i'd appreciate it. Thanks for your help

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