Posts by Benny
Total # Posts: 34
A 25-lb bag of grass seed will cover 1200 square feet. If tour lawn is in the shape of a rectangle and measures 205 feet by 145 feet, how many bags of grass seed will you need to cover the lawn? how do i solve?
April 17, 2016
Use Newton's method with the specified initial approximation x1 to find x3, the third approximation to the root of the given equation. (Round your answer to four decimal places.) 1/3x^3 + 1/2x^2 + 8 = 0, x1 = −3 I got -3.4808, but it's wrong. Help?
November 4, 2014
Tim Worker buys a new sofa for $629.95. He pays 25% down and takes an installment loan to complete the purchase. He makes 12 payments which include his principal and a $60.00 finance charge. What is the APR on his loan to the nearest tenth? The down payment is $ The amount ...
April 16, 2014
Calculate (a) the total installment price, (b) the carrying charges, and (c) the number of months needed to save the money at the monthly rate to buy the item below for its cash price (remember to round up). A bicycle with a cash price of $500, offered on the installment plan ...
February 27, 2014
A 1500 kg automobile is traveling upto 20 deg inclined at a speed of 6 m/sec. If the driver wishes to stop his car in a distance of 5m,determine the frictional force at pavement which must be supplied by rear wheels.
July 30, 2012
Recall that with the CSMA/CD protocol, the adapter waits K.512 bit times after a collision, where K is drawn randomly. For K = 100, how long does the adapter wait until returning to Step 2 for a 10Mbps Ethernet? For a 100 Mbps Ethernet? Can anyone help me with the formula to ...
November 26, 2011
Water is descending in a vertical pipe of diameter 7 cm and open to the atmosphere. At a lower point the water flows into a smaller pipe of diameter .84 cm. At a certain instant the depth of the water just above the narrowing point is 30 cm and the water is moving at 135 cm/s...
April 6, 2010
The masses of 1 mole of various gases are as follows: hydrogen about 2 grams, helium about 4 grams, nitrogen about 28 grams, oxygen about 32 grams and carbon dioxide about 44 grams. On the average how fast does a molecule of each gas move at 333 Celsius?
April 6, 2010
Which quadratic function has its vertex at (2,3) and passes through (1,0)? a. y = 2(x-2)^2+3 b. y = -3(x-2)^2+3 c. y = -3(x+2)^2+3 d. y = 2(x-2)^2-3 Could you explain why you got your answer, too?
May 28, 2008
Plutonium-239 is used in nuclear bombs. Determine the number of protons and neutrons in plutonium-239. I really don't understand this. Can someone tell me how to do this? thanks What is the atomic number of Pu? Look it up on the periodic table...that is the number of ...
February 8, 2007