# Posts by rr

Total # Posts: 36

**calculus**

how to find surface area of a cylinder with respect to r(radius) and h(height)?

*July 21, 2015*

**physics**

Convert the velocity (80m/s) to accleration using Vf^2= Vi^2 + 2ad. After you find your accleration substitue that accleration value into Fnet = ma.

*April 23, 2015*

**Geometry**

Trying to find the scale for a 77 centimeter by 53 centimeter painting to fit on a 8.5 by 11 inch paper. Please show me how-

*February 2, 2014*

**la sallle**

There are 3 consecutive even integers such that the quotient obtained by dividing twice the largest integer by the smallest integer is three less than three-fifths of the second integer. What are the integers?

*September 30, 2013*

**math**

A number increased by 2/5 of it becomes 210. what is the number?

*March 12, 2013*

**math**

The perimeter of a square is 9. what is the area?

*March 12, 2013*

**Math**

One-third of Derick's age two years ago is equal to a quarter of his age four years from now. How old is he now? Please provide the following: -Representation -Equation -Solution -Answer -Checking

*March 9, 2013*

**Physics**

The speed time graph shows the motion of a car over a period of 40 seconds. a. describe the motion of the car between: 1.) O and A - The car is traveling at constant speed from 0 to 20 m/s. 2.) A and B - The car is at rest for 20 seconds. 3.) B and C - The car is decelerating ...

*February 5, 2013*

**Physics**

The speed time graph shows the motion of a car over a period of 40 seconds. a. describe the motion of the car between: 1.) O and A - The car is traveling at constant speed from 0 to 20 m/s. 2.) A and B - The car is at rest for 20 seconds. 3.) B and C - The car is decelerating ...

*February 5, 2013*

**Physics**

The distance time graph shows a cart moving at a straight path. a. Describe the speed of the cart between: 1.) A and B - The cart is moving with constant speed for 10 seconds and it is now at rest for 20 seconds. 2.) B and C - The cart at rest for 20 seconds will now start ...

*February 5, 2013*

**chem**

6 minutes and 12 seconds!

*June 5, 2012*

**algebra**

The number N of aluminum cans used each year varies directly as the number of people P using the cans. If 54 people use 19,926 cans in one year, how many cans ae used in a city which has a population of 1,485,000

*June 3, 2012*

**algebra**

19cm^3 of a normal specimen of human blood contains 1.2 of hemoglobin. How many grams does 17cm^3 of the same blood contain?

*June 1, 2012*

**algebra**

A black racer snake travels 29.9KM in 13 hours. What is the speed in KM/h?

*June 1, 2012*

**algebra**

It takes 4hr for 8 cooks to prepare food for a wedding rehearsal dinner. How long will it take 7 cooks to prepare the dinner.

*June 1, 2012*

**algebra**

add and simplify 2v/v^2-64+v/v-8

*May 31, 2012*

**algebra**

Suppose a market research company finds that at a price of p=$25,they would sell x=56 tiles each month. If they lower the price to p=$20, then more people would purchase the tile, and they can expect to sell x=66 tiles in a month's time. Find the equation of the line for ...

*May 21, 2012*

**algebra**

help; factor with wrong answer s^2+10s+25

*May 18, 2012*

**algebra**

factor trinomial w^2-15w+56

*May 18, 2012*

**algebra**

plz solve factor trinomial a^2+10a+16

*May 18, 2012*

**algebra**

The product of the page numbers on two facing pages of a book is 110. Find the page numbers. the page numbers are:

*May 18, 2012*

**algebra**

There are n teams in a league and the number of games played is given by the polynomial n^2-n=N. A women's softball league has 12 teams. What is the total number of games to be played?

*May 18, 2012*

**algebra.**

A rectangular is six times as long as it is wide. If the area is 54 ft^2, find the length and the width of the table.

*May 18, 2012*

**algebra**

A launched rocket has an altitude, in meters,give n by the polynomial h+vt-4.9t^2, where h is the height, in meters, from which the rocket is airborne. If a rocket is launched from the top of the tower 90 meters high with an initial upward speed of 50 meters per second, what ...

*May 15, 2012*

**algebra**

please solve 5u^8v-6uv^5+6u^8v-5uv^5 collect like terms

*May 15, 2012*

**algebra**

THE total revenue is the amount of money tsken by a business. Appliance firm determines that when it sells y washing machine, the total revenue R in dollars is given by the polynomial R=314.28x-0.1x^2. What is the total revenue from the sale 0f 135 washing machines.

*May 15, 2012*

**algebra**

collect like terms and then arrange in descending order. 8x^5 - 7x^9-7x^5+ 8x^9

*May 15, 2012*

**math**

The mass of Mars is about 421x10^20 metric tons. The mass of the sun is about 1.998x10^27 metric tons. About how many times the mass of Mars is the sun? Give answer in scientific notation. The mass of the sun is about....times the mass of mars.

*May 14, 2012*

**algebra**

how to convert 0.000037 to scientific notation

*May 14, 2012*

**physics**

the answer is zero

*April 15, 2012*

**math**

20x(2) + 45x = $510 40x + 45x =$510 85x / 85 = $510/85 x = 6 She sold twice as many small than large. So, small = 2(6) which equals 12 20(12) + 45(6) = $510 240 + 270 = $510

*January 4, 2012*

**physics**

If the system is set in motion with m2 moving downward, what will be the acceleration of the system?

*September 28, 2011*

**Chemistry**

A sample of ammonia liberates 5.66 kJ of heat as it solidifies at its melting point

*February 22, 2010*

**food**

at a cocktail party, you can expect the average person to eat how many hors d'oeurves in two and a half hours?

*December 10, 2009*

**Watershed?**

a. Natural: The Santa Clara Valley: rain and irrigation flows over the land surface and then to the San Francisco Bay b. Manmade: The area one lives in: runoff from your home, yard and neighborhood flows into a creek. like zomg finallyyy xDD

*November 1, 2006*

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