04/16/18

How to find tan x if you know sin x?

Please respond quickly

04/15/18

Physics Question

A block of mass m1 = 5.6 kg, moving on a frictionless surface with a velocity of (v1)i = 6.5 m/s to the right, collides with a block of mass m2 at rest. After the collision, m1 recoils with a... more

04/15/18

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A narrow ray of yellow light from glowing sodium (λ0 = 589 nm) traveling in air strikes a smooth surface of water at an angle of θi = 40.5°. Determine the angle of refraction θr.

Physics question

A ball in the shape of a uniform spherical shell (like a soccer ball; I = 2/3 mr2) of mass 1.5 kg and radius 15 cm rolls down a 35 degree incline that is 6.0 m high, measured vertically. The ball... more

The initial size of a bacteria culture that grows exponentially was 10,000. After 1 day, there are 15,000 bacteria...

 How long will it take for the culture to double in size?

Write fraction as an expression using a negative exponent

1/121 I need this written with a negative exponent 

if the trajectory of a stone is modeled by d=37+7t-4.9t^2 What is the speed of the stone after 2 sec?

If the trajectory of a stone is modeled by d=37+7t-49t^2, where t is the time in seconds and d is the vertical distance in meters. What is the speed of the stone after 2 seconds?

If ∫ g(x) dx from a to b = 4a+b, then ∫ (g(x)+7) dx from a to b = ?

If ∫ g(x) dx from a to b = 4a+b, then ∫ (g(x)+7) dx from a to b = ? please explain

At time t≥0 the acceleration of a particle that is moving along the x-axis is a(t)=t+2sin(t). At t=0 the velocity of the particle is -4. For what value of t

At time t≥0 the acceleration of a particle that is moving along the x-axis is a(t)=t+2sin(t). At t=0 the velocity of the particle is -4. For what value of t will the velocity of the particle be zero?

04/15/18

How do you verify sin(x+y)/cos(x)cos(y)=tan(x)+tan(y)

I want to know how to verify this problem

04/15/18

y varies directly as x. If y = -5 when x = 15, find x when y = 3.

how do I solve?  

04/15/18

How would I go about solving this?

A can of tomato paste is 10cm high and has a diamater of 8cm. How much tomato paste will the can hold ?

04/15/18

12 less than the sum of x and y

Answer 

04/15/18

A vehicle with a mass of 1500 kg is decelerated at a rate of 5 m/s^2. How much force did this take?

solve the problem using two Different masses and explain how the inertia in the object affected the amount of work used to accelerate that object in relation to the object’s mass.

04/14/18

how much energy does a 56 ohm light use in 8.1 minutes when hooked up to a 120 V outlet?

I am confused on what steps to take and how to solve this problem.  how much energy does a 56 ohm light use in 8.1 minutes when hooked up to a 120 V outlet?

04/14/18

447 plus a number is negative 3

447 + _ = -3  

04/14/18

Sally makes $20.00 an hour and gets a 15 percent rate How much does she make now

I NEED SOME HELP WITH  THIS MATH PROBLEM SO I CAN GET AN A IN ONE OF MY MATH CLASS SO I CAN HAVE MY BIRTHDAY PARTY AT D

04/14/18

Free body diagrams Physics (6 stacked rocks)

I'm looking to create free body diagrams for the following physics problem: 6 stones are stacked on top of one another (the bottom one is the largest and the top the smallest). The exact weight of... more

04/14/18

how many liters of a 30% acid solution and a 70% acid solution must be used to produce 40 liters of a 60% acid solution? (round to two decimal places if necessa

How many liters each of a 30% acid solution and a 70% acid solution must be used to produce 40 liters of a 60% acid solution? ( round to two decimal places if necessary.)

04/13/18

1. If an incandescent light bulb contains 90.5 kPa of Argon gas and 11.4 kPa of nitrogen gas, what is the total gas pressure in the light bulb?

1. If an incandescent light bulb contains 90.5 kPa of Argon gas and 11.4 kPa of nitrogen gas, what is the total gas pressure in the light bulb?

Solve the equation 8sin(1/2)x - 5 = 0 for 0 < x < 2pi. Round your answers to the nearest hundredth of a radian.

Solve the equation 8sin(1/2)x - 5 = 0 for 0 < x < 2pi. Round your answers to the nearest hundredth of a radian.

State the amplitude and period of this function: y = -3cos(pi/3)x.

State the amplitude and period of this function: y = -3cos(pi/3)x.

State the amplitude and period of this function: y = 4sin(1/2)x

 State the amplitude and period of this function: y = 4sin(1/2)x

04/13/18

Math question (factoring)

Find two numbers whose product is 60, and whose sum is -17.

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