# Posts by rr

Total # Posts: 37

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

math
37

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.

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-

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?

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

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

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

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 ...

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 ...

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 ...

chem
6 minutes and 12 seconds!

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

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?

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

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.

algebra

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 ...

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

algebra
factor trinomial w^2-15w+56

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

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

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?

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.

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 ...

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

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.

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

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.

algebra
how to convert 0.000037 to scientific notation

physics

statistics
idk

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

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

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

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

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

1. Pages:
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