01/11/15

Probability in a game of chess
In a game of chess, you can win, draw, or lose.  Gary plays two games of chess against Mijan. The probability that Gary will win any game against Mijan is 0.55 The probability that Gary will... more
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01/10/15

How many different number plates can you create by using 1 letter and 4 numbers?
How many different number plates can you create by using 1 letter and 4 numbers?   My answer is 26 X 10 X 10X 10 X 10 but my book answer was   26 X 10 X 10X 10 X 10 X 5      
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01/08/15

I have a question about related rates and basically i need help checking my work
You, five feet tall, are in your backyard stargazing when you notice a bright light in a field 500 feet away from you and 300 feet in the sky. You focus your telescope on it and notice that it is a... more
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01/07/15

Some money was shared among some friends with the ratio 2:5:7 the last friends share was $1,180 more than the first ones share how much money was shared
The math is kind of hard for me so I need some help   
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01/06/15

five times a number decreases by 11 is 19 find the number
please helpp
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01/06/15

Some real estate agents estimate that the value of a house could increase about 4% each year
a. Write a function to model the growth in value for a house valued at $100,000.                                       B. Graph the function 
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01/06/15

A line goes through the points (3,9) and (1,1) write an equation of this line in standard form
Geometry question that i don't quite understand Because I don't have understand how to get from standard form wirh just points. 
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12/30/14

I need the steps of the solution for this problem please
Mr. Tenorio has a job that pays $45,500 per year with a guaranteed pay increase of $2,000 each year for 10 years. What is the formula for Mr. Tenorio’s salary, S, if he has worked x years?
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12/30/14

find the principal
Marleen is investing in a money market account. Find the principal of Marleen's investment if the interest earned is $2860.00 after 4 years at a rate of 5%
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12/20/14

I need a work check please.
Section 3.5 Symbolic ArgumentsIn exercise 33-48 (a) translate the argument into symbolic form and (b) determine if the argument is valid or invalid. You may compare the argument to a standard form... more
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12/17/14

if y= 5x, what is the y intercept
I really need help with my math homework!!
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12/17/14

Could you please help me with one of my math problem?
Suppose a new watersports company, Aqua Sport, is open for business. They are running a grand opening sale. Their rental cost can be modeled by a linear equation. We are told that for 30 minute of... more
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12/15/14

logarithms
solve and explain   (1/6)^x-1 + 4 = 40
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12/15/14

determine the amount present after 54 minutes and after 2 hours. when will the amount present be less than 2 kg
The radioactive isotope U-24 has a half-life of 18 minutes. If there's presently 150kg of U-24: determine the amount present after 54 minutes and after 2 hours. when will the amount present be less... more
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12/15/14

find three consecutive integers such that the sum of the integers plus four is equal to four times the second integer
I have to 1. represent each integer with an unknown   2.write an equation using the unknowns   3.solve for three integers   4. check by substituting the integers in the equation
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12/12/14

Work calculus
 A force of 7 pounds is required to hold a spring stretched 0.3 feet beyond its natural length. How much work (in foot-pounds) is done in stretching the spring from its natural length to 0.9 feet... more
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12/12/14

A solid of Revolution
Find the volume of the solid obtained by rotating the region bounded by the given curves about the specified axis.y=4x^2, x = 1, y = 0, about the x-axis
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12/04/14

Equations for Math
Imagine that you're a production manager at a calculator company. Your company makes two types of calculators, a scientific calculator and a graphing calculator. Each model uses the same plastic... more
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11/20/14

The population of a city is 127,000 and is decreasing by 2.4% each year.
a. What will the population be in 10 years? b. Find when the population will be 95,000
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11/19/14

Critical and Inflection point help
Let g(x) = e^(−6x^2) Find and classify all critical points of g(x). Find all inflection points of g(x).
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11/18/14

How many times will she draw a Q?
There are 100 letter tiles in a Scrabble game and only one "Q."  If Ann draws her 7 tiles first, what is the probability she will draw the "Q" tile?
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11/18/14

What was the speed of the bullet before it hit the block?
A 2.00-g bullet hits and becomes embedded in a 5.00kg wood block which is hanging from a 1.4m long string. This causes the block to swing through an arc of 4.5 degrees. What was the speed of the... more
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11/04/14

I missed my math lesson today so I'm struggling on this problem. Can anyone explain? Thanks in advance. :)
Write a rational function to model the situation, or use the given rational function. State a reasonable domain and range for the function using set notation. Then use a graphing calculator to... more
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11/04/14

There are 13 animals in the barn. Some are chickens and some are pigs. There are 40 legs in all. How many of each animal are there?
There are 13 animals in the barn. Some are chickens and some are pigs. There are 40 legs in all. How many of each animal are there?
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11/04/14

The ratio of those included to those excluded is 4 to 7. If 5x the # of excluded is 62 greater than the # included, how many were included/excluded?
Need by morning of 11/5 please
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