Wednesday

November 25, 2015
Total # Posts: 223

**Intermediate Algebra**

A dehydrated patient needs a 6.4% saline IV.Unfortunately the hospital only has bags of 6% and 8% saline solutions.How many liters of each of these solutions should be mixed together to yield 1 liter of the desired concentration?
*March 27, 2012*

**Algebra**

Solve using the elimination method.Show work.If the system has no solution or an infinite number of solution state ths...-5x+4y=-16,-15x+2y=-58
*March 22, 2012*

**Algebra**

Solve using the elimination method.Show work.If the system has no solution or an infinite number of solutions state this. 7x+8y=51,7x+10y=55
*March 22, 2012*

**Algebra**

The point (6,2) lies on the line -x-8y=-22. Determine if this point is a solution of the system. -x-8y=-22,-7x+3y=-36
*March 22, 2012*

**Algebra**

Determine whether the point(7,2) is a solution of the system..-3x+4y=-13,-2x+8y=2,by substituting the point into each equation.
*March 22, 2012*

**Algebra**

Select the set of equtions that represents the following equation.The sum of two numbers is 38, and their difference is 26 more than the smaller number what are the two numbers? a.)x+y=38;y-x=x+26 b.)2x=38;61=x+26 2y=38;61=x-26 x+y=38;x-y=26-x
*March 22, 2012*

**Algebra**

Select the set of equations that represents the following situation: Mike invested $434 for one year.He invested part of it at 9% and the rest at 10%.At the end of the tear he earned $40.16 in interest.How much did Mike invest at each rate of interest.? a).x+y=434;9x+10y=40.16...
*March 22, 2012*

**Algebra**

A university bookstore recently sold a wirebound graph paper notebook for $1.08, and a college ruled notebook for $3.12.At the start of the spring semester, a combination of 50 of these notebooks were sold for a total of $88.68 .How much of each type were sold?
*March 22, 2012*

**Algebra**

That is suppose to be 50% antifreeze.
*March 22, 2012*

**Algebra**

The radiator in Natalies car contains 6.3L of antifreeze and water.This mixture is 30% antifreeze.How much of this mixture should she drain and replace with pure antifreeze so that there will be a mixture of 505 antifreeze?
*March 22, 2012*

**Algebra**

Solve using the substitution method. 0.3x+0.2y=5,0.5x+0.4y=11
*March 22, 2012*

**Algebra**

Pepperidge Farm Goldfish is a snackfood for which 40% of its calories come from fat. Rold Gold Pretzels recieve 9% of their calories from fat.How many grams of each would be needed to make 620g of a snack mix for which 15% of the calories come from fat?
*March 22, 2012*

**algebra**

Write the slope-intercept form of the equation of the line.Please show work. Show in graph.(-3,-5)(6,1)
*March 19, 2012*

**algebra**

Write a slope intercept equation for the line with the slope-1/4 and y-intercept (0,-2)and graph the line.Please show work.
*March 19, 2012*

**algebra**

Write the slope intercept equation for the line that passes through (14,-2) and is perpendicular to 7x-10y=18.Please show work.
*March 19, 2012*

**algebra**

Write a slope intercept equation for the line that passes through (2,-7) and (4,-13) Please show work,
*March 19, 2012*

**Algebra**

find the slope.If it is not defined state this..(0,1)(3,-3)(5,-6)(-1,3)(-3,6)
*March 18, 2012*

**Algebra**

find the slope.If it is not defined state this..(0,1)(3,-3)(5,-6)(-1,3)(-3,6)
*March 18, 2012*

**Algebra**

Solve.Show work. -9y-12(2-3y)=-25-2(y+6)
*March 17, 2012*

**Algebra**

Write the slope -intercept equation for the line with the slope-1/4 and y-intercept(0,-2) and graph the line.Show work.
*March 17, 2012*

**Algebra**

Given the linear equation y=-4/3x+1,find the y-coordinates of the points (-6),(-3) and (6).Show work.Plot these points and graph linear equation.
*March 17, 2012*

**Algebra**

Given the linear equation y=-4/3x+1,find the y-coordinates of the points (-6),(-3) and (6).Show work.Plot these points and graph linear equation.
*March 17, 2012*

**Algebra**

Find the x and y intercepts and graph the equation plotting the intercepts.Show work...-5x+8y=-40
*March 17, 2012*

**Algebra**

Find the slope and y-intercept of the line given..y=5/6x-14
*March 17, 2012*

**Algebra**

Write the slope intercept equation for the line with the given slope that contains the given points....M= -3/4;(0,5)
*March 17, 2012*

**Algebra**

Write the slope intercept equation for the line with the given slope that contains the given points....M= -3/4;(0,5)
*March 17, 2012*

**Algebra**

Write a slope-intercept equation of the line whose graph is desrcibed,parallel to the graph of 3x+2y=5;y-intercept(0,-1)
*March 17, 2012*

**Algebra**

Write a slope-intercept equation of the line whose graph is desrcibed,parallel to the graph of 3x+2y=5;y-intercept(0,-1)
*March 17, 2012*

**Algebra**

Find slope,if the line is defined state this. (0,2)(4,-3)(5,-7)(-2,5)(-4,6)
*March 17, 2012*

**Algebra**

Write the slope intercept form of the equation of the line,and graph it .Show work...(-3,-5)(6,1)
*March 16, 2012*

**Algebra**

Simplify...Show work...-b+bc-c^3-(c^3+bc-c^3+b)
*March 16, 2012*

**Algebra**

Write using set builder notation.Show work....Solve..-2(10x-9)-17x<(6-x)
*March 16, 2012*

**Algebra**

Simplify....8-5/8+1/2*6/9=
*March 16, 2012*

**algebra**

Find the slope and y intercept of the line given...y=5/6x= -14
*March 16, 2012*

**algebra**

write the slope intercept equation for the line with the given slope that contains the given points....M=-3/4;(0,5)..Show work
*March 16, 2012*

**Stats**

Twenty randomly selected students took the statistics final. If the sample mean was 88 and the ó =5.2, construct a 95% confidence interval for the mean score of the students.
*March 2, 2012*

**logic**

if an argument does not commit a fallacy, it is a)necessarily valid b)necessarily sound c)Not enough information to determine d) Both A and B
*February 16, 2012*

**physics**

a ball is dropped from a height of 10 meters.if the energy of the ball is reduced by 40% after striking the ground,how high can the ball bounce back?
*February 16, 2012*

**math**

how do you sketch the graph for 2x+y=4 using a domain -3x<3
*December 6, 2011*

**statistics**

Chicken Delight claims that 91 percent of its orders are delivered within 10 minutes of the time the order is placed. A sample of 70 orders revealed that 60 were delivered within the promised time. At the .02 significance level, can we conclude that less than 91 percent of the...
*November 21, 2011*

**math**

8-x>4
*November 16, 2011*

**statistics**

How do I do an excel file? Also, the data is missing because that is the way it was given-In the SPSS19 one would use 999 to represent a missing variable, I guess!
*November 6, 2011*

**statistics**

provided with data representing the time it took husbands and wives to run a mile. All data are in minutes Husband Wife 8.2 9.7 8.9 8.5 9.7 8.9 9.8 8 10 9 7.9 7.9 6.7 8 8.9 7.9 12.2 9.9 15 10.2 8.8 8.4 8.9 -- 21 10.4 11.3 9.2
*November 6, 2011*

**math**

A draw contains 3 black socks and 2 white socks. A sock isdrawn at random and then replaced. Find each probability. p(2 black) p(black, then white) p(white, then black) p(2white)
*October 28, 2011*

**math**

write an equation of the line containing the specified point and perpendicular to the indicated line? (-2,-5),x-2-2y=3
*October 17, 2011*

**Science**

Describe how scientific or technological activities are exacerbating or improving the existing situation of the Antarctic food web
*October 6, 2011*

**Math for Professionals**

You find that a small business loan in the amount of 50,000 is the amount you need to purchase the restaurant location. After researching banks to find the best interest rate, you find that banks for small businesses offer the best interest rate of 9% interest that compounds ...
*September 19, 2011*

**Business 101**

How do social trends affect business's positively or negatively?
*September 12, 2011*

**geography**

How do a country's size and shape affect its power and stability?
*July 10, 2011*

**Chemistry DrBob**

a 225.0 gram sample of aluminum is heated and the temperature increased from 50.0 celsius to 65.0 celsius for temperature change of 15.0celsius. how many calories of heat was absorbed to produce this temperature?
*April 27, 2011*

**math**

A bicycle wheel travels about 82 inches in 1 full rotation. What is the diameter of the wheel, to the nearest inch?
*March 25, 2011*

**Finance**

A four-year TIPS bond promises a real annual coupon return of 4 percent and its face value is $1,000. While the annual inflation rate was approximately zero when the bond was first issued, the inflation rate suddenly accelerated to 3 percent and is expected to remain at that ...
*March 4, 2011*

**Statistics**

In the harper valley subdivision, 79% of the houses have a deck while 49% of the houses have both a deck and a garage. Find the probability that the home has a garage given that it has a deck
*March 1, 2011*

**calculus**

Please help me? ln(x+1)-ln(x-2)=ln(5) 1. Solve equation by setting up algebraically. 2. Use appropriate properties of Logarithm to reduce the number of logarithmic terms to only one. 3. Solve logarithmic equation.
*February 17, 2011*

**chemistry**

The crystal that contain attached water molecules. while heating, barium chloride produce the water molecules and the water molecules contain the weight and absorb some weight of barium chloride
*January 27, 2011*

**Math**

When you look out over an unobstructed landscape or seascape, the distance to the visible horizon depends on your height above the ground. The equation d=3/2h is a good estimate of this, in which d=distance to horizon in miles and h=height of viewer about the ground in feet. ...
*January 17, 2011*

**math**

22hrs*365days=8030hrs per year
*January 17, 2011*

**College Algebra II**

When you look out over an unobstructed landscape or seascape, the distance to the visible horizon depends on your height above the ground.
*January 17, 2011*

**7th grade**

how dose mitosis let you survive?
*December 14, 2010*

**Art History**

7. Compare the naturalism of Chinese art of the 10th to 12th centuries with the Western Romanesque art of the same time period. Use the Guanyin Bodhisattva, the handscroll, Ladies Preparing Newly Woven Silk, and the landscape paintings for specific references (see pages 346-49...
*December 8, 2010*

**chemsitry**

How would you figure-out which one is greater. You have 2.0 moles of H2O and 1.0 moles ofCO2 how would you get the answer.
*December 6, 2010*

**10th grade**

calculate the mass of the water of hydration if a hydrate loses 0.025 mol of H2O when heated
*November 2, 2010*

**math**

a couple invests $4500 in an account paying 7% compounded quarterly. how much is in the account after one year?
*September 17, 2010*

**math**

What is the opposite (additive inverse) of-12 team GREEN?
*September 9, 2010*

**economics**

A) It would rise on factory goods. B) It would lessen the human capital - less production. C) It would cause less land.
*September 5, 2010*

**Programming**

i dont know the i need help with this question to help
*August 19, 2010*

**Chemistry**

a 700 mL flask contans 0.500 moles of O2 at 25. degrees celcius what is the pressure in atmosphers.
*July 28, 2010*

**math**

ms sue can i do some math wokesheet please i relly want to do math
*March 23, 2010*

**Business Management**

Your management team has been retained by a senior manager who is concerned about the effectiveness of his managers and their teams. He would like your team (the team of employees writing the guide) to develop a training guide on delegation. The training guide should be ...
*March 8, 2010*

**algebra**

please solve the equation showing each step to get the points to find the slope. -2x+4y=9
*February 12, 2010*

**pre algebra**

please show me step by step how to solve the following equation -2x+4y=9 to find the slope of the line.
*February 10, 2010*

**pre algebra**

How do I solve this equation the find te slope of the line? Please show me the steps in solving this equation.
*February 10, 2010*

**algebra**

can you show the problems worked out x-y=3 if x=1,2,3,4 etc... and -x+4y=9 if x = 1,2,3,45,6 etc.. I need to graph coordinates. Thanks
*February 1, 2010*

**algebra**

please give me step by step instructions on how to solve the following equations; x-y=3 and -x+4y=9 I am trying to graph the coordinates.
*February 1, 2010*

**spanish**

what does "todo esta bonito" mean in english?
*January 28, 2010*

**math**

what is e^2x=12
*January 28, 2010*

**math**

what is the natural logarithm of (4x-1)=36
*January 28, 2010*

**English!!!**

False! Doing so without the author's permission and/or without citing the website is plagiarism. It's no different than using information from a print resource and claiming it as your own.
*January 23, 2010*

**college algebra**

When a ball is thrown up into the air, it makes the shape of a parabola. The equation S= -16t^2 + v*t + k gives the height of the ball at any time, t in seconds, where “v” is the initial velocity (speed) in ft/sec and “k” is the initial height in feet (as ...
*January 15, 2010*

**math**

you have a circle that measures 1 ft across, if you roll the line of the circle out it would be just over 3.14159 feet long. this measurement has a name what is it called
*December 9, 2009*

**biotechnology!!**

I'd greatly appreciate if some one could very briefly inform me on any two techniques used in agricultural biotechnology - one that relies on new biotechnology (ie molecular) and one that relies on old biotechnology (ie not molecular!) and the same for medicine Basically ...
*November 23, 2009*

**physics**

At an accident scene on a level road, investigators measure a car's skid mark to be 78 m long.It was a rainy day and the coefficient of friction was estimated to be 0.38. Use these data to determine the speed of the car when the driver slammed on (and locked) the brakes.
*November 20, 2009*

**math**

can you tell how do you do an array for 323
*November 18, 2009*

**economics**

QUICK MEAL IS A FAST FOOD OUTLET THAT SELLS BOX ,LUNCHES FOR $ 120 DOLLARS EACH.iTS TOTAL COST FUNCTION IS TC= 80,000+ 20q + O.O2q should the owners close the resturant?if so why?
*November 14, 2009*

**english grade 12**

ok i got the answer to that question on my own but i have another one what is the significance of the last line of the poem in relation to the theme. "grammar, like wealth belongs in the hands of the people who produce it."
*November 14, 2009*

**english grade 12**

in the poem grammar poem by Rita Wong list three different metaphors used to describe english and english grammar. do you agree with her assesment and why
*November 14, 2009*

**Algebra **

A metal stays solid at fahrenheit temperatures below 1710.5 Determine (in terms of an inequakity) thoses celsius temperatures for which the metal stays solid. Use the formula F=9/5 C + 32. The solution set is {C< __ fahrenheit} 1710. Round to the nearest tenth.
*October 2, 2009*

**English -9th grade**

declarative
*September 27, 2009*

**english**

Which of these two sentences are correct: Where is my coat and umbrella? Where are my coat and umbrella?
*September 24, 2009*

**writing**

Which of these two sentences are correct: Where is my coat and umbrella? Where are my coat and umbrella?
*September 24, 2009*

**Math**

2p+7p=54 It says to combine like terms and solve the equations but i don't know how to. Please help?
*September 22, 2009*

**College Algebra**

Solve each system graphically. Be sure to check your solution. If a system has an infinite number of solutions, use set−builder notation to write the solution set. If a system has no solution, state this. 2x − y = 4, 5x − y = 13
*September 13, 2009*

**basic math**

how do i writ 21/100 in decimal form
*August 28, 2009*

**medical coding**

differentiate between the official coding guidelines for using V codes in an inpatient & outpatient setting.
*August 1, 2009*

**ENGLISH**

I NEED HELP WITH 9 WEEKS APPENDIX H
*July 11, 2009*

**math**

tanp and tanq is short for tangent p and tangent q respectively(we havent been told where p is a variable or constant; same goes for q) no it doesnt mean tan (px - p) it wud be xtanp -tanp if u were to multiply it thru ..same for denominator and the answer given is p/q
*December 31, 2008*

**math**

Find the limit of the function: (tanp)(x-1)/(tanq)(x-1) as x approaches 1. We're hinted at using the result that sinx/x = 1 as x approaches 0. Im not sure how we go abt doing this qs. thanks in advance
*December 31, 2008*

**college**

why must a business manage information as a resource?
*November 11, 2008*

**Math**

I have the same question and I have thought about each of the numbers but still don't have an answer. Can you pls provide and explain.
*October 26, 2008*