To burn 1 molecule of c7h16 to form co2 and h2o (complete combustion), how many molecules of o2 are required?

a calculator can perform a single calculation in about 0.0000034sec. how much time will it take to calculate 4000 such calculations? express your answer in scientific notation

83 is the sum of three consecutive intengers what are the intengers

Computer keyboard failures are due to faulty electrical connects (12%) or mechanical defects (88%). Mechanical defects are related to loose keys (27%) or improper assembly (73%).

At a party there are 40 cookies. There are 5 chocolate cookies for every 3 oatmeal cookies, how many oatmeal cookies are there

Which lines are perpendicular to the line y - 1 = (x+2) ? Check all that apply. y + 2 = - 3 (x - 4) y - 5 = 3 (x + 11) y = - 3x - y = x - 2 3x + y = 7

Create an example of a linear system that would best be solved using the substitution method. Explain your reasoning.

What is the value of x in 3/5x+9=-3

Jeffs water bill includes a base charge of 12.00. plus a charge of 1.50 for each 1000 gallons of water used. his water bill is 28.50. how many gallons of water did jeff use?

Determine whether the sequence coverage or diverges. If it converges, give the limit. 48, 8, 4/3, 2/9, ...

Use the data in the table to complete the statements. Let x be the number of years since 1990. The year 2005 corresponds to an x-value of The function that best models the data, with numerical values rounded to the nearest hundredth, is f (x) =