Questions Asked on
June 9, 2016

math
How many pairs of positive integers $(x,y)$ are there which lie below the graph of the hyperbola $xy = 16$?
asked by rui rui 
Algebra
Create a system of equations that includes one linear equation and one quadratic equation. Part 1. Show all work to solving your system of equations algebraically. Part 2. Graph your system of equations, and show the solution graphically to verify your
asked by Sally 
mathematics
Pick a twodigit number greater than 25. Rewrite your twodigit number as a difference of two numbers. Show how to use the identity (x − y)^2 = x^2 − 2xy + y^2 to square your number without using a calculator.
asked by brandy 
Math
A metallic pipe is 0.7 cm thick .Inner radius of the pipe is 3.5 cm and length is 5dm .Find it's total surface area?
asked by Raghu 
Math
In a class of 100 students, 40 offer Biology and 10 offer Chemistry and Biology .10 offer Physics and Chemistry , and 30 offer Physic and Biology . Each student offer at least one of the three subjects. The number of students who offer Biology is equal to
asked by Delson 
Arithmetics
if there are 380 females students in a class, and male students take up 60% of the class, how many total students are in the class? 380/0.6 = 633??
asked by Kayla 
business accounting
The current liabilities of Mohit Ltd are Rs. 150000 and its current ratio is 3:1 and liquid ratio is 1:1. Calculate the value of current assets, liquid assets and stock of Mohit ltd.
asked by sonika 
algebra 2B
5. Come up with a new linear function that has a slope that falls in the range −1 < m < 0 . Choose two different initial values. For this new linear function, what happens to the function’s values after many iterations? Are the function’s values
asked by deanna 
math
Find an equivalent ratio for the ratio 6 to 7.
asked by Anonymous 
basic science
calculate the work done when a person pushes a car from its stationary position to a distance of 50m applying a force of 200n
asked by augustine samson 
geometry
line jk bisects mn at point j find mn if jm = 6 3/4 feet
asked by line jk bisects mn at point j find mn if jm =6 3/4 
Basics of a business plan
What helpful information can you find at a company or distributors website
asked by Anonymous 
math
Create a quadratic polynomial function f(x) and a linear binomial in the form (x − a). Part 1. Show all work using long division to divide your polynomial by the binomial. Part 2. Show all work to evaluate f(a) using the function you created. Part 3. Use
asked by ted 
math
Jordan has three bills in her wallet. They might be any combination of $5,$10, and/or $20 bills. a) Fill in the organized list to show ll the possible combination of bills.
asked by nawab 
Math
Triangles ABC and DEF are similar. Find side AC. Round your answer to the nearest tenth. cm
asked by Irma 
math
The figure below shows the ellipse $\frac{(x20)^2}{20}+\frac{(y16)^2}{16}=2016$. [asy] defaultpen(linewidth(0.7)); pair c=(20,16); real dist = 30; real a = sqrt(2016*20),b=sqrt(2016*16); xaxis("x",c.xadist,c.x+a+3*dist,EndArrow);
asked by rui rui 
Physics
The system shown in the following figure is in static equilibrium. Find the frictional force exerted on block (m1) given that the mass of block (m1) is 8.90 kg, the mass of block (m2) is 2.59 kg, and the coefficient of static friction between block (m1)
asked by Eric Sowell 
math
At the malt shop a large chocolate shake takes 8/9 of a pint of milk. If the medium shake takes 1/7 the amount of a large, how much does the medium shake take?
asked by Cindy 
Logic and Reasoning
Consider the following pattern involving fractions: 15/20=3/4, 153/204=12/16=3/4 18/15=6/5, 186/155=12/10=6/5 1.) Make a conjecture about the pattern. Show that the conjecture is true for another example. 2.) Explain how inductive reasoning can be used
asked by Shayla 
physics
The two small spheres each with mass m= 25g are hung by silk threads length L=.65m from a common point. When the spheres are given positive charge such that q1=2q2, each thread hangs stationary at theta=15 degrees from the vertical. Using Newton's first
asked by someone 
Math(Please Help Assignment Due)
Consider the following pattern involving fractions: 15/20=3/4, 153/204=12/16=3/4 18/15=6/5, 186/155=12/10=6/5 1.) Make a conjecture about the pattern. Show that the conjecture is true for another example. 2.) Explain how inductive reasoning can be used
asked by Jenny 
ALGEBRA
Create a rational function with a linear binomial in both the numerator and denominator. Part 1. Graph your function using technology. Include the horizontal and vertical asymptotes and the x and yintercepts on your graph. Label the asymptotes and
asked by Sally 
chemistry
Iron(III) oxide can be reduced to metallic iron by heating it in the presence of carbon. Balance the following equation, then determine the ratio of C to Fe in the reaction? Fe2O3 + C → Fe + CO2?
asked by madison 
Math
What is the answer to My hundreds digit is the last odd number. Five less than my hundreds digits is my ones and my tens digit is to more than my ones digit. My thousands digit is three less than my hundreds digit.
asked by Jasmine 
Civics
Which of the following best describes the differences between propaganda and bias? Propaganda is used by organizations that are speaking truthfully, whereas biased articles may be true or false. Propaganda is intended to be persuasive, while bias expresses
asked by TombBoy23 
algebra
Create a rational function with a linear binomial in both the numerator and denominator. Part 1. Graph your function using technology. Include the horizontal and vertical asymptotes and the x and yintercepts on your graph. Label the asymptotes and
asked by Kassie 
ALGEBRAA
Create a rational function with a linear binomial in both the numerator and denominator. Part 1. Graph your function using technology. Include the horizontal and vertical asymptotes and the x and yintercepts on your graph. Label the asymptotes and
asked by Kassie 
MATH
Create a rational function with a linear binomial in both the numerator and denominator. Part 1. Graph your function using technology. Include the horizontal and vertical asymptotes and the x and yintercepts on your graph. Label the asymptotes and
asked by MOM 
Essay Evaluation (Writeacher)
Prompt: Explain the relationship between Lennie and George. How does George take responsibility for his companion? Explain how George show loyalty and compassion by taking Lennie's life. I haven't written much, so here's my first body paragraph. It
asked by Victoria 
math/algebra
The surface area of a rectangular prism is SA=2lw+2wh+2lh. The volume of a rectangular prism is V=lwh. Write an expression for the ration of surface area to volume.
asked by james 
physics
Two identical massspring systems consist of 250g masses attached to springs of spring constant 15 N/m. If one of them starts oscillating from its equilibrium position at time t = 0, how much later should the second one start so they oscillate out of
asked by Harry 
Science
A 450g block is attached to a spring of spring constant 45 N/m and is in simple harmonic motion on a frictionless surface with an amplitude of 7.5 cm. A second identical block, moving at 12 m/s in line with the spring, strikes the first one when the
asked by Lucy 
Math
What are the next three terms in the sequence? 6, 5, 16, 27 Answers: 38, 49, 60 37, 47, 57 36, 45, 54 36, 46, 57
asked by Hannah Montana 
Math
Please explain this to me because im really stumped here!!: The probability of winning a game is 20%. If you play 20 times, how many times should you expect to win? A.4 times B.10 times C.16 times PLEASE HELP!!!!
asked by Myah 
History
Which of these questions was central for U.S foreign policy in the years immediately following the War of 1812? A. Should the United States expand into the Pacific? B. What should be down about Texan independence? C. How should the boundary between the
asked by Madyson 
math
An ellipse and a hyperbola have the same foci, $A$ and $B$, and intersect at four points. The ellipse has major axis 50, and minor axis 40. The hyperbola has conjugate axis of length 20. Let $P$ be a point on both the hyperbola and ellipse. What is $PA
asked by clache 
Civics
In the United States, people pay taxes so government can provide services to the people. What is one benefit of the government providing services instead of allowing the free market and private businesses to do so? A. Government can provide services that
asked by Anonymous 
Physics
A car enters a circular flat curve with a radius of curvature of 0.40 km with a maximum speed of 130 km/h. If the friction between the road and the car's tires can supply a centripetal acceleration, what is the static coefficient of friction?
asked by Luke Michaels 
Algebra
Scores on a statewide standardized test are normally distributed with a mean of 12.89 and a standard deviation of 1.95. Certificates are given to students whose scores are in the top 2% of those who took the test. This means that they scored better than
asked by Sally 
physics
4mm=0.004m 2cm=0.02m 2kg=2000g 4kg= ____m 2) 5 physical senses and why their considered physical touch,hearing,smell,taste,sight their considered physical because The nervous system has a specific sensory system or organ, dedicated to each sense?
asked by Rein 
Social Studies
"Even among the more prosperous classes there was open criticism of the sovereign's person and his political choices. The dictatorship was dead weight on all sections of security, and public opinion saw the Shah as embodying everything that went wrong."
asked by Help please 
Quantative reasoning
Write the formula for the total cost of renting a fullsized car when the unlimited mileage charge is added.
asked by Tammy 
Math
How do you find the height of a scalene triangle when the base and the two side lengths are different? The measurements are base  12 cm one side  8 cm the other side  7 cm I need the height to find out the area
asked by Bianca 
geometry
How to solve for LMN?
asked by Anonymous 
chemistry
The Kb of ammonia is 1.8 x 10–5. What is the percent ionization of a solution of ammonia, 0.50 mol L–1 NH3, that contains 0.020 mol L–1 of ammonium nitrate, NH4NO3? when i use the ICE table i don't end up with an unknown so im not sure what to do. Am
asked by James 
Politics
Why do so many people vote for Trump when his ideas are racist and irrational?
asked by Dillila 
Social studies
Which movements/rhythm are native to the Caribbean and which are not? If they are not native, identify the culture they came from. Im having trouble finding answers.
asked by Yuno Gasai 
economics
The United States is one of the nations in the world with the highest number of Economists. They are even some Economic Nobel laureates in the country. Why do you thinks the country has been in a recession for this long when we have many Economists? Why
asked by Dela 
math
find the height of a pyramid whose square base measures 30yd on each side and whose slant height it 45yd?
asked by clark 
geometry
line jk bisects mn at point j find mn if jm = 6 3/4 feet
asked by pedro 
Math
Elizabeth claims that she has proven that 7=5with the following: 7(a+b)5(a+b)=7c5c 7a+7b5a5b=7c5c 7a+7b7c=5a+5b5c 7(a+bc)/(a+bc) = 5(a+bc)/(a+bc) 7=5 1.) Explain why this is an invalid proof.
asked by Jenny 
Math2
Paula has a mathematical magic trick. She gives the following instructions to her friend Jessica: think of a number  triple it  add 6  divide by 3  add 5  subtract your original number Paula now knows the number Jessica ended up with. 1.) what number
asked by Jenny 
Chemistry
A solution of acetic acid, 1.0 mol L–1 CH3COOH, contains sodium acetate, NaCH3COO. The percent ionization of the above solution is 0.25%. The Ka for acetic acid is 1.8 x 10–5. Which of the following is the concentration of NaCH3COO in acetic acid? So i
asked by luis 
geography
what is the difference of time between the longitude of india and chicago
asked by baibhav 
Math  Year 10  Simult. Equations
Q) find the point of intersection y = 3x x^2 + y^2 = 10
asked by Anonymous 
chemi
500g of zinc carbonate was heated to constant mass.A.state what was observed? write an ionic equation that took place? calculate the apparent loss in mass?
asked by Kirungi john 
Math
What must be true about the solution to this system of equations? x+4y+9z = 96 2y+9z = 47 z = 7 a) The solution will describe the intersection point(s) of the 3 graphs. b) The value of z must be 7. c) The solutions will have values for x, y, and z. d)
asked by David 
chemistry
what fraction of voids are occupied by sp3 carbon in diamond
asked by Anushka 
Parametric Equations
For the set of parametric equations x = 2t+1 and y = t^25, name the initial point on the graph on the interval 5
asked by David 
Math
A cylinder of curved surface area 1250m² is formed from a rectangular metallic sheet .Find the dimensions of the rectangular sheet I its length is double its breadth?
asked by Rohit 
English
Can you summarize this case study 300 words minimum? Overview Hospital A: Porter Regional Medical Center (PRMC) Located on the east side of town, Porter Regional Medical Center (PRMC) was a forprofit hospital, consisting of 110 hospital beds, 8 of which
asked by sarah 
Chemistry
What is the percent of aluminum in Al2(SO4)3? A. 15.8% B. 28.1% C. 56.7% D. 54.0% C?
asked by quick help please 
algebra
Using the equation below as a model, fill in numbers in the place of a and b to create a rational equation that has an extraneous solution. x+a/ax=b/x Part 1. Show all work to solve for x in the equation and check the solution. Part 2. Explain how to
asked by rocky 
chemistry
Chromium (III) iodate has a Ksp at 25°C of 5.0 x 10–6. 125 mL of a solution contains 0.0050 mol L–1 Cr (III) ion. When 75.0 mL of the NaIO3 solution have been added, what is the concentration of the Cr(III) ion remaining in solution? not sure how to
asked by James 
Equivalent Algebraic Expressions
The game shown at the right consists of eight pairs of coloured squares called dominos. Rules: 1. Write a polynomial in each square marked P and a rational function in each square marked R. 2. The expressions you write must satisfy each of these
asked by naz 
Science
Your journey to the centre of the earth took 64 hours at 100km/h. What was the total distance you traveled??
asked by Kim 
Math
You shop for bikes and find 7 types priced at 119 139 149 179 189 199 and 209. you want to buy the 189 bike would you use the mean median and mode to convince your parents that this is a reasonable price for a bike? explain Please help me
asked by PLEASE HELP 
physics
A large aquarium has viewing ports so people can watch dolphins swim by. What is the net force on a rectangular window, 2.30 m wide and 1.20 m high, if the top of the window is 4.50 m below the surface of the water?
asked by John 
Physics
A basketball player drops a 0.60kg basketball vertically so that it is traveling at 6.0 m/s when it reaches the floor. The ball rebounds upward at a speed of 4.7 m/s. Determine the average net force that the floor exerts on the ball if the collision lasts
asked by T 
Math
Create a rational function with a linear binomial in both the numerator and denominator. Part 1. Graph your function using technology. Include the horizontal and vertical asymptotes and the x and yintercepts on your graph. Label the asymptotes and
asked by John 
geography
Under the Soviet system, the government a. controlled all forms of communication. b. allowed newspapers to print whatever they wanted. c. controlled editorials but not the reporting of news. d. encouraged access to a wide variety of news sources.
asked by sarah 
math
what is the surface area of cardboard box? l= 4cm w= 5cm h=10cm
asked by sunil 
physics
Both threads are now lengthened such that L=1.00m, while the charges q1 and q2 remain unchanged. What new angle will each thread make with the vertical? Hint: you must solve for the angle numerically
asked by someone 
Social studies
how have geographic conditions most impacted Nancy's economic activities 1)Lack of arable land has made farming impossible 2) Difficult terrain has led people to rely on forest resources 3)Inadequate rainfall has encouraged people to develop irrigation
asked by John Stamos 
Business English
which sentence is correctly capitalized?
asked by Anonymous 
Algebra
Write the equation of the line in slope intercept form; passing through (3,11) with slope 7/3
asked by Student 
Civics
How does tax benefit a family?
asked by Eu gosto bolos ** 
Science
CU+H2SO4>CUSO4+H2O+SO2
asked by Sunil behera 
chemistry
Information Set 4: Consider the reaction between 500 mL of 0.100 mol L–1 Pb(NO3)2(aq) and 500 mL of 0.200 mol L–1Na2CrO4(aq). Ksp for PbCrO4 (s) is 2.8 x 10–13. What volume of 0.100 mol L–1 lead nitrate solution would give the necessary
asked by duke 
MATHS
Chemical equation for tine acetate and nh4oh
asked by AKACHI 
History
1. In the early 1990's, President George H.W. Bush did not want Saddam Hussein, the leader of what country, to get a hold of oil reserves in Kuwait? A. Iraq B. Iran C. Saudi Arabia 2. This government program, designed to help elderly people with their
asked by Shelby (please help!) 
Physics
Question 1: Dan is pulling on his dog’s leash, the dog is pulling with 40N of force and Dan is pulling with 50N of force, how fast are they going after 2 seconds? Question 2: If you want to throw a rock 50m with a 1 m sling, what frequency do you need to
asked by Mike 
Physics
Mike wants to make a free throw; he realizes that if the ball is exactly 20cm above the hoop as it hits the backboard at the top of its trajectory, it will go in. The free throw line is 4.5 m from the plane of the backboard and the hoop is 3 meters from
asked by Mike 
Physics
The A above middle C has a frequency of 440 Hz. If you play this note on a piano and the piano string oscillates with an amplitude of 0.55 mm, what is the maximum acceleration of the string?
asked by Ben 
Math/Dosage Calculations
Hey there, still working through that packet. Could someone help explain how I would solve this problem? The answer in the packet says it's 420mL. Thanks in advance! Calculate the fluid intake in mL for the meal. Assume a glass holds 8 oz. 1/3 glass orange
asked by Anonymous 
PreCal: Domain (cont.)
I figured out problems 17, arithmetically (thank you all for the help on that) But not number 8: f(x)=5/x , g(x)=7/(x+7) #7). Find (f/g)(x) Answer ==> [5(x+7)]/[7x] #8). Find the domain of (f/g)(x). (enter your answer using interval notation)
asked by Ashley 
None
If I have 5 things to do, 2 will take 1 hour and 3 will take 30 minutes which should I do first?
asked by Mr.Sir 
analytical math
rony who is sixteen years old, is four times as old as her brother. How old will Mary be when he is twice as old as her brother?
asked by nehal 
Math: Inverse Function (Plz help)
Find the Inverse function of f: f(x)=8+[square root of(8+x)] f^(1)(x)=_______, x>8
asked by Jennifer 
reading
explain what makes Anne a complex character
asked by please help me 
Responsibility
What does it mean to take responsibility for someone?
asked by Victoria 
gaithersburg middle school
RING TOSS Objective: Toss a ring onto the top of one of the green bottles. Method: You will have 3 chances to toss a ring. You will toss only one ring at a time from a distance of 5 feet. The bottle your ring lands on will be removed from the box after
asked by ester 
Calculus
Use pinching theorem to evaluate lim x>1 ((x1)sin(1/x1)) I'm confused in the pinch theorem analytically
asked by Anonymous 
algebra
you are going to the Maryland state fair and would like to play some carnival games with the hopes of winning a prize .your mom said you are allowed to play one game only .your task is to analyze two carnival games and predict the probability of winning
asked by ester 
physics
A string is stretched between fixed supports separated by 73.0 cm. It is observed to have resonant frequencies of 380 and 475 Hz, and no other resonant frequencies between these two.
asked by Marie 
PreCal: Domain
[Note: I really need help on these Domain questions. I've been struggling with this all day] Consider the following: f(x)= 5/x , g(x)= 7/(x+7) Find the solutions to the following: 1). (f+g)(x) 2). Domain of (f+g)(x) [Use interval notation too] 3).
asked by Ashley 
Physics Help!!
A stepup transformer is used on a 100 V line to increase the potential difference to 1200 V. If the primary has 120 turns, then what is the number of turns in the secondary coil? 1440 turns 1000 turns 100 turns 10 turns Thanks!!!!!
asked by Ellie 
geometry
Find the equation of the line (3,1) that is parallel to the line that passes through (2,5) and (6,13) I do not understand how to the problem at all
asked by seneea 
math
Air expands from 2 m3 to 3 m3 at constant pressure. If the initial temperature is 60 degrees Celsius, what is the final temperature?
asked by Anonymous