Saturday
July 26, 2014

Posts by apryl


Total # Posts: 33

Chemistry
Consider the following reaction: 4NH3 + 7O2 (arrow) 4NO2 + 6H2O. A) How many moles of NH3 react with 5.64 mol of O2? B)How many moles of NO2 are obtained from 3.27 mol of O2? C) How many moles H2O will be produced from 8.95 g of NH3? D)How many grams of NH3 will be needed to p...

Math Stats
Suppose that a random sample of n kernels of popcorn is taken and x of these kernels pop. The buyer wants to be 95% sure that the point estimate for p will be within 0.01.If no preliminary study is done to estimate p, how large a sample should the buyer use? If a preliminary s...

Math Stats
A random sample of 30 plants has a sample standard deviation of 3.4 days for maturity. A 95% confidence interval for the population variance is __ to __days.

accounting
Maria Gonzalez opened a veterinary business in Nashville, Tennessee, on August 1. On August 31, the balance sheet showed Cash $9,000, Accounts Receivable $1,700, Supplies $600, Office Equipment $6,000, Accounts Payable $3,600, and M. Gonzalez, Capital $13,700. During September...

accounting
Lily Company had the following assets and liabilities on the dates indicated. December 31 Total Assets Total Liabilities 2009 $400,000 $250,000 2010 $460,000 $300,000 2011 $590,000 $400,000 Lily began business on January 1, 2009, with an investment of $100,000. Instructions Fr...

accounting
Presented below are three business transactions. For each transaction indicate whether there is an Increase, a Decrease or No Effect on the assets, the liabilities and the owner's equity. Assets Liabilities Owner's Equity (a) Invested cash in the business. Increase Dec...

accounting
Jan Nab is the sole owner of Deer Park, a public camping ground near the Lake Mead National Recreation Area. Jan has compiled the following financial information as of December 31, 2010. Revenues during 2010—camping fees $140,000 Market value of equipment $140,000 Revenue...

math
Suppose that people's heights (in centimeters) are normally distributed, with a mean of 175 and a standard deviation of 6. We find the heights of 40 people. (a) How many would you expect to be between 169 and 181 cm tall? 127 27 (b) How many would you expect to be taller t...

algebra/math
Find the amount of compound interest earned in an account that opens with $24,000, earns 3.5% interest compounded daily, and is held for 10 years. Assume 360 days in a year. (Round your answer to the nearest cent.) $

Math
2.5

algebra/math
Find the amount of interest and the monthly payment for the loan. Purchase a car for $42,700 at 2.5% add-on rate for 5 years. (Round your answers to the nearest cent.) $ interest $ per month

math
Find the probability whose odds against are given in the problem. Odds against are 10000 to 1.

alegbra
What is the probability of getting a license plate that has a repeated letter or digit if you live in a state that has three numerals followed by five letters followed by one numeral? (Round to the nearest whole percent.)

alegbra
The breaking strength (in pounds) of a certain new synthetic is normally distributed, with a mean of 167 and a variance of 9. The material is considered defective if the breaking strength is less than 161 pounds. What is the probability that a single, randomly selected piece o...

alegbra
Suppose that people's heights (in centimeters) are normally distributed, with a mean of 175 and a standard deviation of 6. We find the heights of 60 people. (a) How many would you expect to be between 167 and 183 cm tall? (b) How many would you expect to be taller than 170...

alegbra
P(C)ifP(C)=2/13 the second one has a line over it

alegbra
P (C) if P(C)= P(C) this P(C)has i line above it

alegbra
The diameter of an electric cable is normally distributed, with a mean of 0.8 inch and a standard deviation of 0.01 inch. What is the probability that the diameter will exceed 0.82 inch? (Give the answer to four decimal places.)

algebra/math
30

alegbra
Find the probability whose odds against are given in the problem. Odds against are 10000 to 1

math
Suppose that people's heights (in centimeters) are normally distributed, with a mean of 175 and a standard deviation of 6. We find the heights of 40 people. (a) How many would you expect to be between 169 and 181 cm tall? (b) How many would you expect to be taller than 170...

math
The breaking strength (in pounds) of a certain new synthetic is normally distributed, with a mean of 165 and a variance of 4. The material is considered defective if the breaking strength is less than 161 pounds. What is the probability that a single, randomly selected piece o...

math
The diameter of an electric cable is normally distributed, with a mean of 0.8 inch and a standard deviation of 0.01 inch. What is the probability that the diameter will exceed 0.82 inch? (Give the answer to four decimal places.)

math
Suppose that people's heights (in centimeters) are normally distributed, with a mean of 175 and a standard deviation of 6. We find the heights of 40 people. (a) How many would you expect to be between 169 and 181 cm tall? 1 (b) How many would you expect to be taller than 1...

Statistics
.4974

Statistics
For a particular value, this table gives the percent of scores between the mean and the z-value of a normally distributed random variable. What percent of the total population is found between the mean and the z-score, assume z = 2.79

math
Suppose that you want to purchase a home for $450,000 with a 30 year mortgage at 6% interest. Suppose that you can put 40% down. Assume that the monthly cost to finance $1,000 is $6.00. What is the total amount of interest paid on the 30 year loan?

Geometery
i just guessed

math
Calculate the monthly finance charge for the following credit card transaction. Assume that it takes 10 days for a payment to be received and recorded and that the month is 30 days long. Assume 365 days in a year. (Round your answer to the nearest cent.) $3,000 balance, 21% ra...

math
A car dealer will sell you a used car for $7,742 with $742 down and payments of $309.93 per month for 24 months. What is the APR?

math
$3,000 at 8% for 30 years (a) Calculate the future amount if the money were invested at simple interest

Physics
A Jet has a liftoff speed of 160 km/hr. What minimum uniform acceleration does this require if the aircraft is to be airborne after a takeoff run of 300m?

Statistics
For a particular value, this table gives the percent of scores between the mean and the z-value of a normally distributed random variable. What percent of the total population is found between the mean and the z-score, assume z = 2.79

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