
Statistics/Probability
The life span of a calculator has a normal distribution with a mean of 60 months and a standard deviation of 5 months. If a calculator is randomly selected, find the probability that the calculator has a life span of. (1) more than 50 months (2) between 4
asked by Heidi on July 10, 2014 
Powerpoint
I need to do a powerpoint on a career. I have to find information on the web about that career. One of the slide requirements was to include a bibliography. So, I'm wondering what does a bibliography for a powerpoint include? Do I need to include the
asked by Larry on January 17, 2009 
MATH help please
Let R be the relation on ℤ+×ℤ+ defined by (a,b)R(c,d) if and only if a−2d=c−2b. (a) prove that R is an equivalence relation (b) list all elements of the equivalence class [(3,3)] (c) find an equivalence class that has exactly 271 elements. (d) is
asked by EXCEL on August 12, 2014 
Statistics and Probability
Winning the jackpot in a lottery requires that you select the correct three numbers between 1 and 51 and in a another separate drawing you must select the correct single number between 1 and 15. Find the probability of winning the jackpot The probability
asked by Macy on October 13, 2014 
math
On a class trip there wre 30 more girls than boys.The total number of students on the trip was 210.Write and solve an equation to find the number of girls and the number of boys on the class trip.
asked by ashley on January 28, 2014 
Physics
I have a picture of one person pushing a boulder with 60 N and another person pushing from the same side at 90 N. The friction of the boulder is 40 N. The question asks to find the total force on the boulder. Is "total force" just the net force in this
asked by Anonymous on October 14, 2016 
PHYSICS
What is the average velocity between 0.6 h and 1 h? A. + 0.4 km/h B. + 1.25 km/h C. + 1.66 km/h D. + 2.5 km/h This questions is hard for me to understand because you can only find average velocity by dividing the displacement by the time, and here they
asked by Anonymous on July 21, 2010 
math
Two taps of various or different diameter can fill a tank in 9 and 3/8 hours. The tap of larger diameter takes 10 hrs less than the smaller one to fill the tank separately.Find the time in which each tap can separately fill the tank.
asked by marathe khemraj on December 26, 2015 
vvc
In a championship basket ball game,Paula made twice free throws as Maria .If the total number of free throws made by both women was 12 find how many free throws Paula made made?
asked by math 12 on October 13, 2015 
algebra
A computer salesperson earns a base salary of $32,000 per year plus a commission of 6% on total sales. Total sales for one year were $350,000. Find the salesperson’s total pay for the year.
asked by Tranesha on September 14, 2011 
12th grade
Decide whether each of the following is a characteristic of the NorthPuritanism,SouthGentleman planters or both the north and the south. Came to America to find freedom to worship and the promised land  The NorthPuritanism; The SouthGentleman
asked by Anonymous on December 29, 2009 
Algebra II
The volume of a gas in cubic centimeters, V, varies inversely with the pressure of the gas in liters per square centimeter, p. When the volume of the gas is 16 cm3, its pressure is 20 L/cm2. Find the volume of the gas when the pressure is 2.2 L/cm2.
asked by kristy on December 15, 2016 
Powerpoint (URGENT)
I need to do a powerpoint on a career. I have to find information on the web about that career. One of the slide requirements was to include a bibliography. So, I'm wondering what does a bibliography for a powerpoint include? Do I need to include the
asked by Larry on January 18, 2009 
finance
Wharton charges DEI spreads of 9 percent on new common stock issues, 7 percent on new preferred stock issues, and 5 percent on new debt issues. I need help... I'm not sure which numbers would go to Equity, debt or preferred. I need to find out for E/V, D/V
asked by Serenity1 on November 26, 2013 
Algebra
Could you please check some of my Algebra problems please? Write the standard form of the equation of the circle with the given center and radius. 1. (7,4);8 I got (x+7)^2 + (y4)^2=64 2. (7,10); square root of 17 I got (x+7)^2 + (y10)^2=17 3. (0,0); 2
asked by Soly on September 10, 2007 
physics
To find the height of an overhead power line, you throw a ball straight upward. The ball passes the line on the way up after 0.65 s, and passes it again on the way down 1.9 s after it was tossed. (a) What is the height of the power line? (m) (b) What is
asked by vonne on September 16, 2010 
algebra
I trust you know about y = mx + b Realize that when you are given the x or y intercepts, you are really just given two points, in your case the points (4,0) and (0,2) So it is easy to find the slope, (20)/(04) = 1/2 Take it from there Determine the
asked by Reiny on March 28, 2007 
physics
A canoe has velocity of 0.40m/s southwest relative to earth.the canoe is on a river that is flowing 0.50m/s east relative to earth find the velocity (magnitude and direction) of the canoe relative to the river.
asked by jack on September 10, 2011 
Algebra 1
Pressure and volume vary inversely in the idea has law. The pressure exerted by a gas of volume 150cubic inches is 30 p.s.i. Find the pressure exerted by the gas if the volume is decreased to 50cuboc inches
asked by Pj clancy on May 12, 2016 
math
Adam is 3 times as old as Cynthia and Fred is 16 years younger than Adam. One year ago, Adam's age was twice the sum of Cynthia's and Fred's age. Find their present age. I have a answer already but I still not get it,please help me out with answer
asked by Thanh on September 20, 2010 
Help me! Geometry
A design on the surface of a balloon is 5 cm wide when the balloon holds 71 cm^3 of air. How much air does the balloon hold when the design is 10 cm wide? Explain the method you use to find the amount of air. How would I solve this step by step?
asked by Alexa on September 28, 2015 
MATHS
A CYLINDRICAL PIPE MADE OF METAL IS 3 CM THICK .IF THE INTERNAL RADIUS OF THE PIPE IS 10 CM, FIND THE VOLUME OF THE METAL USED IN MAKING 3M OF THE PIPE RADIUS OF INTERNAL PIPE =10CM RADIUS OF EXTERNAL PIPE =13CMVOLUME OF PIPE=PI R^2H
asked by MAYOWA on April 28, 2016 
math
An article is marked 40% over its cost price. Two successive discounts of 14 2/7% and 10% are allowed on the marked price of the article. Find the profit/loss per cent after selling at discount. 1) 7% Loss 2) 8% loss 3) 8% profit 4) 7% profit.
asked by kiran on August 3, 2017 
physics
an aircraft is travelling from calabar to kano, it first flies to ilorin on 40 degree covering a distance of 80km, it then flies 120 degree and covers a distance of 40 km to kano. find the distance between calabar and kano
asked by ola on April 11, 2017 
Calculus
A ladder 30 ft. long is leaning up against a building. If the top of the ladder is being pulled up the wall of the building at a rate of 1.5 feet per minute, find the rate at which the base of the ladder is moving toward the building when it is 18 feet
asked by Alex on June 15, 2015 
Math
Four classmates are comparing the number of pages that they have read in a novel assigned for their languagearts class. Ken has read twice as many pages as Jenny. Alicia has read 18 pages more than Jenny and 11 pages more than Mark. Mark has read 38
asked by Dar on April 18, 2013 
Literature
'Pick a special day of the year. Write down atleast two things that you might see, hear, taste, smell, or touch on that day. Try to find images that reveal what you feel at this moment, on this day. Now write a haiku about your special day.' I reallyyy
asked by mysterychicken on November 14, 2009 
phone/internet
Hi, this isn't anything to do with home work. (Thank God I'm done with homeschooling)But I have a question to do with internet connection. I just got a new phone yesterday, and it needs connection to the wireless internet at my house so i can use internet
asked by y912f on August 2, 2010 
physics
hi thank you for your help: i have a question that deals with finding the direction and magnitude of the net magnetic force on a loop that is next to a wire (the loop is in the wire's magnetic field) how do i set up a question like this? do i have to
asked by kiksy on April 4, 2011 
statistics
Suppose a random sample of size 50 is selected from a population with σ = 10. Find the value of the standard error of the mean in each of the following cases (use the finite population correction factor if appropriate). a. The population size is infinite
asked by Vanessa on April 14, 2014 
physics
A bicycle chain is wrapped around a rear sprocket (r = 0.041 m) and a front sprocket (r = 0.15 m). The chain moves with a speed of 1.4 m/s around the sprockets, while the bike moves at a constant velocity. Find the magnitude of the acceleration of a chain
asked by Anonymous on November 10, 2013 
Physics
A bicycle chain is wrapped around a rear sprocket (r = 0.038 m) and a front sprocket (r = 0.11 m). The chain moves with a speed of 1.6 m/s around the sprockets, while the bike moves at a constant velocity. Find the magnitude of the acceleration of a chain
asked by Zaphod on October 26, 2010 
Statistics (39)
Suppose a random sample of size 40 is selected from a population with = 9. Find the value of the standard error of the mean in each of the following cases (use the finite population correction factor if appropriate). a. The population size is infinite (to
asked by Mia on May 6, 2014 
Algebra
You are planning to build a walkway that surrounds a rectangular garden that is 10ft by 9ft. The width of the walkway around the garden is unknown, but it will be the same on every side. a)what is the perimeter of the walkway along the outer edge ? b) what
asked by Naibe on January 24, 2013 
statistics
Suppose a random sample of size 50 is selected from a population with σ = 10. Find the value of the standard error of the mean in each of the following cases (use the finite population correction factor if appropriate). a. The population size is infinite
asked by Vanessa on April 15, 2014 
Economics (39)
Suppose a random sample of size 40 is selected from a population with = 9. Find the value of the standard error of the mean in each of the following cases (use the finite population correction factor if appropriate). a. The population size is infinite (to
asked by Mia on May 9, 2014 
Geometry
A circle is circumscribed by a pentagon. The sides are all tangent to the circle. (It's a bit hard to explain without a picture, so I'll do my best.) The pentagon is QSUWY. However, there are points in between all five sides. In SQ lies point R, SU point
asked by Nikki on April 1, 2008 
PHY 101
A 0.425kg blue bead slides on a frictionless, curved wire, starting from rest at point where h = 1.50 m. At point , the blue bead collides elastically with a 0.675kg green bead at rest. Find the maximum height the green bead rises as it moves up the
asked by tom on October 6, 2012 
Algebra
Adult tickets for a play cost $9 and child tickets cost $8. If there were 23 people at a performance and the theater collected $193 from ticket sales, how many children attended the play? A = number of adults C = number of children Set up two equations. A
asked by T on July 29, 2007 
Social Studies
Describe the Economic Effects of World War 1 Write a paragraph describing how the U.S. government managed the economy during World War I and the economic effects of that management. Consider the roles played by the Food Administration, the War Industries
asked by EmberShy on January 30, 2017 
math 2 questions this time
Find the area of the parallelogram. A height of 8 and a base of 24 then there is a another number I think its length but its 8 and im confused because its B*H for parallelogram sooo yea can someone help me and show me how. thanks. what is the surface area
asked by LOVE PHINES AND FERB on April 3, 2016 
math
Consider the experiment of simultaneously tossing a fair coin and rolling a fair die. Let X denote the number of heads showing on the coin and Y the number of spots showing on the die. a. List the outcomes in S. b. Find Fx,y(1,2). Part a is easy. It's part
asked by Jen on October 25, 2011 
College Algebra
Use a calculator to help solve the problem. One isotope of holmium, 162Ho, has a half life of 22 minutes. The halflife of a second isotope, 164Ho, is 37 minutes. Starting with a sample containing equal amounts, find the ratio of the amounts of 162Ho to
asked by Dee on November 4, 2013 
percentage
There are two distinct natural numbers. Each is first increased by 10 then by same percentage as each was increased for the first time. Each number finally results in 72 Find the difference between the numbers. i have received your answer as your faculty
asked by vipul on October 5, 2016 
statistics definition
i have to find definitions and describe 208 words in my statistics class and for one of them it says: describe the deviation from a pattern of a graph. i don't actually get what it's asking me. i don't think it's pattern becuase i already have the
asked by david on January 26, 2007 
statistics
A study of peach trees found that the average number of peaches per tree was 625. The standard deviation of the population is 140 peaches per tree. Ascientist wishes to find 80% confidence interval for the mean number of peaches per tree. How many trees
asked by betsy on June 18, 2013 
analytical chemistry
the problem is find the pH of a solution prepared by dissolving all of the following in sufficient water to yield 1.00 L of solution :0.180 mole of chloroacetic acid (CICH2CO2H),0.020 mole ofCICH2CO2Na,0.080 mole HNO3, and 0.080 mole Ca(OH)2. Assume that
asked by lolo on March 31, 2013 
AQA Mechanics (M1), Statics and forces, please hel
A particle of weight W is attached by a light inextensible string of length a to a point A on a verticle wall. The particle is supported in equilbrium by a light rigid strut of length b attached to a point B on the wall at a distance a vertically below A.
asked by Tony on April 1, 2012 
Computer Programming
Professor Merlin has asked you to help him. He has 100 total students in his four classes but he is not sure that all of them took his last exam. He wants to average the grades for his last exam in four sections of his medieval literature course and then
asked by Giris on April 22, 2014 
chemistry
You have 1.600g mixture of NaHCO3 and Na2CO3. You find that 11.60 ml of 2.00M HCl is needed to convert the sample completely to NaCl, H2O and CO2. NaHCO3 (aq) + HCl (aq) > NaCl (aq) + H2O (l) + CO2 (g) Na2CO3 (aq) +2HCl (aq) > 2NaCl (aq) + H2) (l) + CO2
asked by Monica on April 17, 2010 
physics
On a distant planet, a ball is dropped from rest from a height of 15.0m. It hits the ground and bounces back up until it is 1.00m below its original position. The trip down and back up takes 10.0s. Find the ball’s average speed, displacement, and average
asked by catie on September 23, 2018 
calculus
It is estimated that x years from now, the value V(x) of an acre of farmland will be increasing at the rate of: V'(x)= 0.4x^3/sqrroot(0.2x^4+8000 dollars per year. The land is currently worth $500 per acre. A. Find V(x) b. How much will the land be worth
asked by Liz on December 4, 2006 
algebra
A cup of coffee is heated to 180°F and placed in a room that maintains a temperature of 65°F. The temperature of the coffee after t minutes is given by T(t) = 65 + 115e^−0.042t.(a) Find the temperature, to the nearest degree, of the coffee 10 minutes
asked by Barb on November 17, 2014 
math
R. H. Bruskin Associates Market Research found that 30% of Americans do not think that having a college education is important to succeed in the business world. If a random sample of five Americans is s selected, find these probabilities. (a) Exactly two
asked by robin on June 20, 2013 
chemistry class
i have a Chemistry lab (level 2) final exam soon. our teacher told us that we would have % transmittance problems, can someone show me an examples (maybe from an online test) or a made up one, of what i might expect to find on my chemistry lab final? like
asked by jes on December 1, 2010 
Algebra
A ball is thrown in an upward direction off a platform that is 45 feet high with an initial velocity of 60 feet per second. The height, in feet, of the ball at the time t is given by h(t)= 16t^2 + 60t + 45. The time, t, is given in seconds. Round all
asked by Tom on May 29, 2018 
Physics
A house painter stands 3 m above the ground on a 5.3mlong ladder that leans against the wall at a point 4.7 m above the ground. The painter weighs 638 N and the ladder weighs 143 N. Assuming no friction between the house and the upper end of the ladder,
asked by Keith on March 17, 2012 
Physics
Jack and Jill exercise in a 25.0mlong swimming pool. Jack swims nine lengths of the pool in 160.1 seconds (2 minutes and 40.1 seconds), while Jill, the faster swimmer, covers ten lengths in the same time interval. Find the average velocity and average
asked by Breauna on February 2, 2015 
Algebra II
The maximum safe load of a rectangle beam varies jointly as its width and the square of its depth and inversely as the length of the beam. If a beam 8.00 in. wide, 11.5 in. Deep, and 16.0 ft long can safely support 15.000 lb, find the safe load for a beam
asked by Joe on November 21, 2011 
physics
a bullet of mass 20 grams is fired horizontally into suspended stationally Worden block of mass 380 grams with velocity of 200 m/s.what is the common velocity of bullet and block if the bullet embedded into the block,if the block and bullet experience a
asked by Manikumar shah on June 1, 2019 
Algebra II
The maximum safe load of a rectangle beam varies jointly as its width and the square of its depth and inversely as the length of the beam. If a beam 8.00 in. wide, 11.5 in. Deep, and 16.0 ft long can safely support 15.000 lb, find the safe load for a beam
asked by Ashley on November 22, 2011 
PROBABILITY
R. H. Bruskin Associates Market Research found that 40% of Americans do not think that having a college education is important to succeed in the business world. If a random sample of five Americans is s selected, find these probabilities. (a) Exactly two
asked by FAKAAPO on September 21, 2011 
Algebra II
The maximum safe load of a rectangle beam varies jointly as its width and the square of its depth and inversely as the length of the beam. If a beam 8.00 in. wide, 11.5 in. Deep, and 16.0 ft long can safely support 15.000 lb, find the safe load for a beam
asked by Ashley on November 22, 2011 
algebra
An airplane encountered a head wind during a flight between Rontown and Sawburgh which took 4 hours and 24 minutes. The return flight took 4 hours. If the distance from Rontown to Sawburgh is 1700 miles, find the airspeed of the plane (the speed of the
asked by jon on February 8, 2012 
Math grade 6
3rectangular metal blocks,8 cm long, 6 cm wide & 5 cm high, were placed in an empty rectangular glass tank.water was then poured in until it reached a height of 10 cm. Another 5 similar blocks were put into the water so that it reached the brim of the
asked by Peach on February 28, 2017 
Science
PLEASE HELP IM STUDYING FOR STATE TESTING IN 1 WEEK AND HAVE NO SCIENCE TEXTBOOK IF A 6TH GRADE CONNEXUS STUDENT HAS A ONLINE TEXTBOOK PLEASE SEND THE LINK I CANT FIND ONE FOR THE CONNEXUS SUBJECTS PLEASE PLEASE HELP. I KNOW STATE TESTING DOSENT EFFECT
asked by Emily on May 15, 2019 
pre calculus
32% of a particular radioactive substance disappears in 227 years. Part 1: Find the decay constant. Your answer must be correct to five decimal places. Part 2: Determine the time T in years required for 93% of the substance to disapper. Your answer must be
asked by Morgan on July 6, 2015 
GEOMETRY LATERAL AND SURFACE URGENT (PLEASEHELP)
1.A RECTANGULAR BOX IS TO BE PAINTED ON ALL ITS SIDES. IF THE BOX IS 15 DM LONG, 12 DM WIDE AND 6 DM HIGH. HOW MUCH SURFACE IS TO BE PAINTED ? 2. IF EACH SIDE OF AN OPEN CUBICLE BOX IS 2X+3 CM. FIND ITS TOTAL SURFACE AREA. 3. MICHEAL IS TO MAKE A BOX IN
asked by Mia on July 9, 2013 
physics
A hollow steel shaft has an external diameter of 120 mm and is 10 mm thick. It is coupled to a solid shaft of the same material, 100 mm in diameter. If the length of the hollow shaft is 960 mm, find the length of the solid shaft, so that the total angle of
asked by Anonymous on May 18, 2013 
Physics B
A coordinate system (in meters) is constructed on the surface of a pool table, and three objects are placed on the coordinate system as follows: a 1.5 kg object at the origin, a 3.4 kg object at (0 m,1.8 m), and a 4.5 kg object at (4.2 m,0 m). Find the
asked by Mary on November 4, 2012 
physics
A 0.395kg blue bead slides on a frictionless, curved wire, starting from rest at point in the figure below, where h = 1.50 m. At point , the blue bead collides elastically with a 0.650kg green bead at rest. Find the maximum height the green bead rises as
asked by Alex on October 18, 2012 
Chemistry
When 50 grams of hydrocarbon X are burned with oxygen the products are carbon dioxide and water. If 65 grams of water and 100 grams of carbon dioxide are produced, how many grams of oxygen were needed for the reaction? This was a question on my chemistry
asked by Ryan on February 28, 2016 
calculus
Consider the given function. f(x) = 3 sin(6x) text(, ) 0
asked by Justin on January 18, 2008 
ALGEBRA 2
the airline cost for x thousand passengers to travel round trip from nyc to atlanta is given by C(x)= radical 0.3x+1 where C(x) is measured in millions of dollars and x> 0. find the airline's cost for 15,000 passengers (x=15) to travel from new york to
asked by student on February 17, 2013 
calculus
Consider the given function. f(x) = 3 sin(6x) text(, ) 0
asked by Justin on January 18, 2008 
math
It is known that the number of people who enter a bank during a time interval of t minutes is a Poisson random variable with the parameter t. The bank opens at 8am and you arrive at the bank at uniformly random time between 8am and 9am. Let X be the
asked by hsuan on May 3, 2013 
math prob
It is known that the number of people who enter a bank during a time interval of t minutes is a Poisson random variable with the parameter t. The bank opens at 8am and you arrive at the bank at uniformly random time between 8am and 9am. Let X be the
asked by hsuan on May 4, 2013 
math
It is known that the number of people who enter a bank during a time interval of t minutes is a Poisson random variable with the parameter t. The bank opens at 8am and you arrive at the bank at uniformly random time between 8am and 9am. Let X be the
asked by hao on May 3, 2013 
ALGEBRA 2
the airline cost for x thousand passengers to travel round trip from nyc to atlanta is given by C(x)= radical 0.3x+1 where C(x) is measured in millions of dollars and x> 0. find the airline's cost for 15,000 passengers (x=15) to travel from new york to
asked by student on February 17, 2013 
statistics
A researcher wants to study the spending habits of customers of a local shopping mall. The mall manager claims that the average spending per customer is $70, but the researcher believes that the average is less than $70. A simple random sample of 350
asked by James on October 13, 2012 
physics
This is the situation I have been given: You are given three capacitors, one with a capacitance of 0.025 microfarads, another with a capacitance of 0.05 micro farads, and the third with a capacitance of 0.015 microfarads. Using only these capacitors,
asked by Rachel on October 11, 2012 
statistics
Scores on the GRE (Graduate Record Examination) are normally distributed with a mean of 541 and a standard deviation of 101. Use the 689599.7 Rule to find the percentage of people taking the test who score between 238 and 844 The percentage of
asked by eric on December 8, 2016 
Chemistry
ZN(s) + 2H+(aq) produces ZN2+(aq) +H2(g) A sample of Zinc is placed in the ice calorimeter. if 0.0657g of Zinc causes a decrease of 0.109ML in the ice/water volume of the calorimeter, what is the enthalpy change, per mole of Zinc, for the above reaction
asked by Temmick on October 6, 2013 
Physics
A helicopter is flying in a straight line over a level field at a constant speed of 6.2 m/s and at a constant altitude of 11.3 m. A package is ejected horizontally from the helicopter with an initial velocity of 14.0 m/s relative to the helicopter, and in
asked by Dave on June 9, 2013 
physics
A monochromatic light illuminates a double slits system with a slit separation, d =0.3 mm. The maximum of the first order occurs at y = 4.0 mm on a screen placed at 1.0 m from the slits. Find the: a)Wavelength b)Distance between the central maximum and the
asked by aiman on August 15, 2015 
math 115
1. find the square root 121= 11 11*11=121 is this correct? 2.carlos works 8.25h. and receives $102.30 pay. what will he receive at the rate if he worked 14h?= carlos rate of pay is $12.40 per h. $173.60 is this correct? 3. write 0.672 as a percent. 67.0%
asked by Lea on September 6, 2009 
algebra
Marvin is comparing two different music websites. Website A charges $10 per month for a subscription and $0.25 per song. Website B has no subscription fee, and all songs cost $0.75. Which equation would you solve to find the number of songs, s, that Marvin
asked by ever on June 18, 2018 
Statistics
The points of 100 children in a test are normally distributed with mean of 25 points and a standard deviation of 10 points. (a)Given that the passing mark is 20, estimate the number of children who passed the test. (b)If 5.59% of the children obtain a
asked by John on October 15, 2014 
math
A researcher wishes to estimate the proportion of college students who cheat on exams. A poll of 560 college students showed that 27% of them had, or intended to, cheat on examinations. Find the 95% confidence interval. A. 0.2323 to 0.3075 B. 0.2325 to
asked by Jenny K on September 15, 2015 
college physics
Superman must stop a 190km/h train in 180m to keep it from hitting a stalled car on the tracks. part a)If the train's mass is 3.8×10^5kg , how much force must he exert (find the magnitude)? part b)Compare to the weight of the train (give as %). partc)
asked by john on April 29, 2012 
testing of materials
How do I solve these two problems ? 1.The mass of a quantity of is 32.7 g. What is it's volume in cm raised to the third power ? 2.The volume of a quantity of water is 0.42 cm raised to the third power. Find its mass in g.
asked by Michael on February 5, 2011 
math
In A Year, Seema Earns RS 1,50,000. Find The Ratio Of Money That Seema Earns To The Money She Saves And Money That She Saves To The Money She Spends?
asked by naisha on December 19, 2009 
math
The width of the rectangle is half its length and the perimeter is 42m.caculate the area of the rectangle.find the width and length of perimeter and area.
asked by anna on January 12, 2012 
math
The cost of refreshments (in dollars) is a function, h, of the number of people served, n. If h(n)=100/9n, find the number of dollars it would cost for refreshments for 27 people.
asked by Gane on December 14, 2013 
math
The ratio of a quarterback’s completed passes to attempted passes is 7 to 9. If he attempted 45 passes, find how many passes he completed. Round to the nearest whole number if necessary. A. 9 passes B. 58 passes C. 5 passes D. 35 passes D?
asked by bev on June 11, 2017 
statistics
In a bowling league, the probability that the uniforms are all 1 color is 0,45, that 2 colors are used is 0.35, and that 3 or more colors are use is 0.20. if a sample of 12 uniforms is selected, find the probability that 5 contain only 1 color, 4 contain 2
asked by Michelle on May 16, 2011 
math
1.) when the expression 4x^23x8 is divided by xa, the remainder is 2. find the value of a. 2.) the polynomial 3x^3+mx^2+nx+5 leaves a remainder of 128 when divided by x3 and a remainder of 4 when divided by x+1. calculate the remainder when the
asked by Nialleen on August 4, 2014 
Algebra
The charge to rent a trailer is $20 for up to 2 hours plus $8 per additional hour or portion of an hour. Find the cost to rent a trailer for 3.2 hours, 4 hours, and 7.6 hours.
asked by Keisha on February 17, 2017 
college algebra
find the complex zeros of the polynomial function. write f in factored form. use complex zeros to write f in factored form f(x)= x^36x^2+21x26
asked by Bella on August 24, 2012 
precalc
Find the standard form equation for each ellipse described. 1) Major vertices at (0, 3) and (0, 3), minor vertices at (2, 0) and (2, 0) 2) Major vertices at (7, 0) and (7, 0), foci at (5, 0) and (5, 0) 3) Minor vertices at (2, 3) and (2, 11), foci
asked by jean on December 8, 2015
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