# Posts by sss

Total # Posts: 19

calculus
The base of a solid is the region in the first quadrant bounded by the graph of y = 3/(e^x) , the x-axis, the y-axis, and the line x=2. Each cross section of this solid perpendicular to the x-axis is a square. What is the volume of the solid?

eng.Economic
Marvin borrows \$2,500 from the Shady Dealings Loan Company. He is told the interest rate is merely 2%/month and his payment is computed as follows: Loan period = 30 month Interest = 30(0.02)(\$2,500) = \$1,500 Credit investigation and insurance = \$50 Total amount owned = \$2,500...

eng.Economic
deposits \$1,000 now, \$2,000 2 years from now, and \$5,000 5 years from now into a fund paying 12% compounded semiannually. a. What sum of money will be accumulated at the end of sixth year? b. What equal deposits of size A, made every 6 months (with the first deposit at t=0 and...

math
a wire of length 24cm is bent to form a square.find the area of the square formed.

Math
I'm having a bit of trouble with the following problem. Thanks! Kevin bought a new car for \$22,000. He made a down payment of \$5,500 and has monthly payments of \$406.69 for 4 years. He is able to pay off his loan at the end of 30 months. Using the actuarial method, find ...

Quantum Physics
ii is 0 0 0 0

Physics
0 --I,H

lts statment
The admission fee at an amusement park is 1.5 dollars for children and 4 dollars for adults. On a certain day, 372 people entered the park, and the admission fees collected totaled 1008 dollars. How many children and how many adults were admitted?

Chemistry
G = -nFE = J/mol Zn(s)-->Zn^2+(aq)+2e^- 0.765 V Cu^2+(aq)+2e^- -->Cu(s) 0.337 V n = 2, F = 96,485, E =(0.765+0.337) = 1.102 G = -212652.94 J/mol 60g Cu * 1 mol Cu/63.546g Cu = 0.944 mol Max. work = -212652.94 J/mol * 0.944 mol = -200786

chemistry
calculate the number of gram of Al2S3 which can be prepared by the reaction of 20 gram of Al and 30 gram of sulpher . how much the non limiting reactant is in excess?

physics
ikrthissitesucksssss

chemistry
how many liters of hydrogen gas measured at 1.05 atm and negative 25 degrees will be produced when 5.00 grams of magnesium metal is dropped into excess hydrochloric acid?

math
qweqwe

math
In how many ways can 7 people be lined up to see a movie if Ben must be at the start of the line? is the answer 720?

math
In how many ways can 7 people be lined up to see a movie if Ben must be at the start of the line? is the answer 720?

Math
wrong!

science
IS GAS THE MOST IMPORTANT STATE OF MATTER?