Arturo O.

Differentiation

05/25/17

if y=1+x+x^2/2!+x^3/3!=.............+x^n/n! then prove that dy/dx+x^n/n!=y

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Chemistry

05/25/17

Finding the age of the rock given half life

Once the C-14 activity in a fossil has dropped below 99.8% of it’s original value, it can no longer be accurately measured. What is the age of the oldest fossil we could accurately date using... more

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Other

05/25/17

A 16 foot ladder is placed against a vertical wall of a building with the bottom of the ladder standing on a level ground 9 feet from the base of the building.

A 16 foot ladder is placed against a vertical wall of a building with the bottom of the ladder standing on a level ground 9 feet from the base of the building. How high up the wall does the ladder... more

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Math Math Help Math Question

05/24/17

Pre cal Problem

The center of a circle is located at the point (1,1). The point (-3,4) is located on the circle. a. What is the radius of the circle? b. What is the equation for the graph of the circle?

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Calculus 1

05/24/17

stuck on an average velocity question

The position of an object moving along a line is given by the function s left parenthesis t right parenthesis equals negative 19 t squared plus 57 ts(t)=−19t2+57t. Find the average velocity of the... more

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Other

05/23/17

How did the Romans respond to the Christians once the group became larger?

I need help on my homework and I can not find my answer for this question: How did the Romans respond to the Christians once the group became larger?

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Math

05/23/17

Write a polynomial equation of degree 4 that has the following roots: -1 repeated three times and 4

Whats a polynomial equation of degree 4 that has the following roots: -1 repeated three times and 4

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Chemistry Lab

05/23/17

meaning of literature value with respect to the question in the description.

"comment on the accuracy of your boiling point determination for theunknown liquid based on your observation in comparison with the literature value" What does this mean???

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Math/algebra/exponential Growth Formula

05/23/17

full question is in the description box

a countrys population in 1993 was 83 million in 2001 it was 87 million estimate the population in 2004 using the exponential growth formula round answer to nearest million

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Chemistry

05/23/17

What is the pressure of a 3L gas vessel that has 18g of helium at 25 Celcius?

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Physics

05/23/17

Your artist friend is designing a kinetic sculpture and asks for your help

Your artist friend is designing a kinetic sculpture and asks for your help since she knows that you have had physics. Part ofher sculpture consists of a 6.0 kg object and a 4.0 kg object which hang... more

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Math Word Problem Solving System With Substitution

05/23/17

Acme auto repair has 13 cars and motorcycles to repair. The vehicle have a total of 42 wheels. If x represents the number of cars and y represents the number

1. X+y=13 2x+4y=42 2. X+y=13 2y+2x=42 3. X+y=42 2y+4x=13

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The National Memorial Day Parade

05/23/17

Do you think it's necessary to have a balance of fun and seriousness on a holiday like MD on The National Memorial Day Parade? Why or why not?

The National Memorial Day Parade in Washington, D.C., includes entertainment but is more well known for its tributes to various wars and branches of the military. Do you think it's necessary to... more

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College Algebra

05/23/17

how long will it take for the rock to hit the water (in secs)?

Benjamin threw a rock straight up from a cliff that was 120 ft above the water. If the height of the rock h, in feet, after t seconds is given by the equation: h=-16t2 +76t+120, how long will it... more

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Word Problem

05/23/17