10/19/16

Given the following information about a sample, calculate a z score for a test grade of 91. = 87, s = 4.01
 Given the following information about a sample, calculate a z score for a test grade of 91.= 87, s = 4.01
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10/09/16

finding the fifth number
the average of 5 numbers is 13. four of the numbers are 11,9,15 and 26. what is the fifth number?  
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10/09/16

Stoiciometry
What volume of 0.100 M barium chloride contains 0.125g of barium chloride?
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10/08/16

Write an equation of the line - Show Work Please
Parallel to y = x - 1 Y - interecept: 3/4   Equation needs to be in slope-interecept form    
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10/08/16

Write an equation of the line - Show Work Please
Parallel to y = -3x + 7 Y - intercept: 0   Equation needs to be in slope-interecept form
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10/08/16

Write an equation of the line - Show Work Please
Parallel to y = 2x - 5 y-intercept: 1/3   Equation needs to be in slope-interecept form
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10/05/16

Linear word problem
On her first four 100-point tests, Li received grades of 78, 85, 95, and 96. If she wants to have at least a 90 average in the class, what is the lowest score she can receive on her last 100-point... more
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09/30/16

A rectangular garden is 5 ft longer than it is wide. Its area is 750 square feet. What are its dimensions?
its width equals: its length equals: 
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09/27/16

Alex Rodriguez earned a yearly salary of 33,000,000. If there were 162 games in the regular season, how much did Alex earn per regular season game?
Please show the step by step of the problem. I do not understand
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09/27/16

What is the cost of the biology book.
the textbook for a biology class cost $15 more than twice the cost of a used textbook for college algebra. If the cost of the two books together is $129, find the cost of the biology book 
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09/22/16

A rectangle is 4 times as long as it is wide. The area is 196 square feet. What is the perimeter of the rectangle?
Need some assistance with this story problem, may be easy but I am having a difficult time solving it
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09/21/16

A phone salesman makes 80$ per day, plus $25 for each phone sold. How many phones did the salesman sell if their pay for monday was $455
A phone salesman makes 80$ per day, plus $25 for each phone sold. How many phones did the salesman sell if their pay for monday was $455
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09/20/16

how many moles of oxygen would react with .425 mol C4H10
use the equation 2C4H10+13O2----->8CO2+10H2O  
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09/20/16

A rectangle has a length of 18 yards less than 6 times its width. If the area of the rectangle is 528 square yards, find the length of the rectangle
what is the answer?
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09/20/16

How many years will it take to save $160000 if you place $1700 per month in an account that earns 12% compounded monthly?
It's for an Algebra class.
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09/18/16

Solve k=npv, for v
Help! Quick!
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09/18/16

The length of a rectangle exceeds twice its width by 4 feet. If the area of the rectangle is 48 square feet, find the dimensions.
I have a test this upcoming Tuesday and word problems are terrifying. Send help!! 
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09/17/16

Word problem
The perimeter of a rectangle is 38 inches. If the length of the rectangle is six inches less than four times the width, find the area of the rectangle
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09/16/16

Find the slope of the line that passes through the points (-4,6) and (-4,-4)
please show steps
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09/15/16

When number is decreased by 30% of itself, the result is 77. What is the number?
When number is decreased by 30% of itself, the result is 77. What is the number?
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09/14/16

average cost of tuition between 2000-1010 can be modeled by y=3.026x^2 + 377.7x +3449, what year average cost 7605
where x=0 corresponds to 2000, x=1 corresponds to 2001 and so on. I do not know what this info is for.  
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09/14/16

In 1999 there were 4076 J.C. Penney stores and in 2010 there were 1106 stores.
Write a linear equation that gives the number of stores in terms of the year. Let t= 9 represent 1999. Then predict the numbers of stores for the years 2016 and 2018. Are your answers reasonable?... more
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09/12/16

This question is pertaining to college algebra
Find two positive consecutive even integers whose product is 168
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09/12/16

This question is pertaining to college algebra
The sum of the squares of two consecutive even integers is 52. Find the integers.
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09/10/16

A line that includes the points ( - 9,3) and ( - 8,s) has a slope of - 8. What is the value of s?
please help im drowning in questions and i cant get past this one 
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