Math
What is the image of A(4,4) under a reflection in the point P(4,-2)?
Math
Jack is married to Jill. Their son, Junior, asked each of them to reveal their ages. Junior’s parents decided to tell him, but in the form of a puzzle. Jack told Junior, “If you reverse the digits in my age, you get your mother’s age. Jill told her son, “Th...
Math
At Irv's Rental Shop, Irv rents all kinds of cycles: unicycles, tandem bikes, regular bikes, and even tricycles for little kids. He parks all the cycles in front of his shop with a helmet for each rider strapped to the cycles. This morning Irv counted 57 helmets and 115 wh...
statistics
a mean score on a standardized test is 50 with a standard deviation of 10. What are the following: 1. what scores fall between -1 and +1 standard deviation? 2. what percent of all scores fall between -1 and +1 standard deviation? 3. what score falls at +2 standard deviations? ...
statistics
where is this formula located on excel?
statistics
a final exam in statistics has a mean of 73 with a standard deviation of 7.73. Assume that a random sample of 24 students is selected and the mean test score of the sample is computed. What percentage of sample means are less than 70?
Math
Tino conducted a survey of all the eighth graders in his school for his math project. He asked each student how much he or she spent on school supplies at the beginning of the year (rounded to the nearest dollar). He also calculated the average amount spent and fou...
math 101
al flynn wants to buy a van that cost 16,000 with an interst charge of 2,000. Al figures he can afford a monhtly oayment of 700 per month, If there aew 24 equal payments required could al afford the van.
physics
This looked a little sloppy imo... Here's my example 1. Find most probably velocity of Krypton v = √[(2*8.314J/K*273K)/(0.083798 kg)] = 237.75 m/s Find the ratio of each velocity 205/237.75 = .8808 The average is .8851 207/237.75 = .8894 Find the ratio of change in v...
Math
Nico was stunned when he opened the mail. Here was a check for $322.50! This was the interest he earned on his investment. One year ago Nico had been given $5,000. His parents made him put it in the bank and save it for college, but they said he could keep the interest it earn...
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