Questions Asked on
July 24, 2016

chemistry
Nylon 88 is made from the monomers H2N(CH2)8NH2 and HOOC(CH2)6COOH. So, would you characterize nylon 88 as rather an addition or a condensation polymer? Please explain your answer
asked by Chem 
Physics
At what positions is the speed of a simple harmonic oscillator half its maximum? That is, what values of x / X give v = ±vmax/2 , where X is the amplitude of the motion? Hello, I am so confused about this question. I am not really sure where to start.
asked by Elizabeth 
english
Change underlined phrase to show ownership or possession
asked by maryellen 
MathsNumeracy
How many pairs of rabbits will there be after a year if it is assumed that every month each pair produces one new pair, which begins to bear two young two months after its own birth?
asked by Hoa 
12th grade Chemistry
BOND BREAKING AND BOND MAKING: Determine by calculations and energy level diagrams, to proof whether these two reactions are endothermic or exothermic reactions.. 1. Methane burns in oxygen 2. Nitrogen (II) reacting with oxygen producing nitrogen
asked by Barachiel 
Physics
A cyclist moving on a corcular track of radius 40m completes half a revolution in 40 sec. Its average velocity is nearly
asked by Khilin 
Algebra
The variable Z is directly proportional to X. When X is 6, Z has the value 72. What is the value of Z when X = 13
asked by Brianna 
Chemistry
Determine by calculation and diagrames to proof whether these two reactions are endothermic or exothermic .. 1. Methane burns in oxygen 2. Nitrogen (II) reacting with oxygen producing nitrogen monoxide.
asked by Barachiel 
Someone Please Help me PreCalc
Determine the missing coordinate of the point (4/7,y) that lies on the graph of the unit circle in quadrant IV. Please show the steps because I need to solve more. Thank you.
asked by chizoba 
physics
three resistors of 2ohm, 3ohm and 4 ohm are connected in (a) series (b) parallel. find the equivalent resistance in each case
asked by ganga 
Statistics
Assume that women's heights are normally distributed with a mean given by mu equals 63.8 inμ=63.8 in, and a standard deviation given by sigma equals 3.1 inσ=3.1 in. Complete parts a and b.
asked by Keith 
math
a bullet is fired horizontally with a velocity of 200m/s.if the acceleration due to gravity is 10m/s2, un first second through which height it will move.
asked by pawab 
maths
The temperature in a town was 24 degrees at midday. The temperature rose by 5 degrees to reach a maximum at 2pm and the dropped 17 degrees before midnight. what was the temperature at midnight?
asked by daniel 
Math
Agnes had 4 times as many blue beads as yellow beads. For every 5 beads she used to make a necklace, she used 3 yellow beads. She completed the necklace after she had used up all the yellow beads. If she had 35 blue beads left, how many yellow beads did
asked by Anonymous 
math: permutations
Hi, I need your help. I just cant figure out how to solve this problem. Question: There are two rows of chairs. The first row has two chairs and the second row has four chairs. In how many ways can six people be seated if a couple from the group must sit
asked by Aina 
physics
a pendulum swing with a speed of 1.5 m/s at its lowedt point. How high will it rise before it stops
asked by Anonymous 
Math
John makes $9.25 per hour. He gets time and a half for overtime. (Overtime is more than 40 hours per week.) How much money would he make for working 45 hours?
asked by Unknown 
Math
A right circular cylindrical can is 6 inches high , and the area of its top is 36 square root square inches . What is the minimum number of square inches of construction paper it would take to cover the lateral surface of this can ?
asked by Amy 
math
Could someone please help me answer this question i am stuck! A Marketing company provides the following formulas to the owner of an amusement park to help him make decisions about the park. The number , N, of people who attend the park is a function of
asked by angelina 
Math
Evaluate the integral using u substitution ((y^3)/((1y^2)^2))dy
asked by ANON 
Aviation Security
Question 1 of 20 Why is microwave holographic imaging not being used as a security measure in U.S. airports? A. The cost is prohibitive. B. It violates the Fourth Amendment rights of passengers. C. It issues too many false alarms. D. Each passenger must
asked by KC 
mathematics
an equilateral triangle is placed inside and a right angled isosceles triangle.determine the value of x + y
asked by fikile 
Math
Please Help A body consists of a solid hemisphere of radius r joined to a right circular cone of base radius r and perpendicular height h. The plane surfaces of the cone and hemisphere coincide and both solids are made of the same material. Show that the
asked by Joe 
math
justine a security guard has 3 successive night duties a week when will they see again if they are together now. find gcf
asked by krisha reyes 
Some Please Help me  PreCalc
Verify that the point ( square root(31)/7, 3square root(2)/7 ) lies on the graph of the unit circle. If it does, use symmetry to find three other points that also lie on the graph of the unit circle. (direction  Type ordered pairs). PS: The 3 is outside
asked by chizoba 
math
there are 91 students that attend mass .this represents 70% of the students. how many students at mass
asked by jeff 
Math
5/3+x=2; x
asked by Ethel 
Maths & numeracy
Loose almonds in a supermarket cost $6.48 for 250gm, or you can buy 375 gm of prepackaged almonds for $10.65. Which is the better buy?
asked by Hoa 
MATH
Integrate 1/(x(x^2+1)) dx using trig substitution
asked by ANON 
counseling
During the initial session, counselors should be sure to assess clients for each of the following problems except for a. if there is an actual plan. b. the availability of the method and the degree to which the method is lethal. c. past, present, and
asked by cudy 
PHYSICS
a bus starts from rest and in 30s it reaches speed of 20m/s.then the speed remains steady for 15s and decreases steadily until it stops 5s later.what the distance covered from strat to finish.
asked by Muuka 
Msths
If i have 26 months to pay back 15000 dollars how much would i pay monthly?
asked by Donovan 
Math
5= 6y; y=
asked by Ethel 
physics
Calculate the momentum of a 100 kg object moving with velocity 10m/s
asked by rishabh 
english
1. my parents work hard to support us. 2. we help them do the household chores.
asked by faustina labadan 
physics
Calculate the momentum of a 100 kg object moving with velocity 10m/s
asked by rishabh 
MATHEMATICS
Exactly four years ago the Moloto family had 4 members, and their average age was 22. The Moloto’s then adopted another child. If the average age of the family today is 24, at what age was the child adopted, given that he was adopted exactly two years
asked by SERIRI 
Math
the perimeter of a rectangle is 24cm.express tha area of the rectangle in terms of width x
asked by Giyang 
Math
Find two number whose product is a 1digit number and the sum is a 2digit number.
asked by Arjun kv 
Physics
Jet of water striking series of radial flat vanes of the wheel is 200 mm and the velocity of the jet is 100 m/s. The velocity of the vanes is 46 m/s Calculate the force exerted on the series of vanes by the jet of water.
asked by Herman 
Calculus
If x^2 + y^2 = 25 and dx/dt = 8, find dy/dt when x=3.
asked by Brad 
Java
Need help how to do this not sure how or anything can someone help please. Which class contains the function pow ? Write the statement to use the method pow to compute and output 6.5 3.5.
asked by Poohboi 
Java
Need help with this it my first time and not get it can someone please help here. Which class contains the function pow? Write the statement to use the method pow to compute and output 6.5 3.5 .
asked by Poohboi 
geometrey
Decide whether perimeter or area should be considered when buying tilestiles needed for a floor.
asked by jena 
math
The amount of medicine ingested by the body is a function given by A(t)= 5/6 (12tt^2) Estimate the slope of the tangent at the point (4, 80/3). Use an interval of 0.01. Explain what the value represents for this situation.
asked by Bob 
Chemistry
Why Fe(III) can be estimated in acidic medium by dicromet not by permanganet? — please give answer basis on value of reduction potential
asked by yeasin 
math
Evaluate the expression: s = 8; 6s^2
asked by Miguel 
Math
Find the solution of the given equations. x1/x^29+1/x3=2/x+3 Thank you! :)
asked by Gennelle 
MATHEMATICS
There are thrice as many girls as boys at a school. If 35% of the girls and 45% of the boys have already completed their holiday project, what percentage of the learners still needs to complete their project?
asked by SERIRI 
Maths
Jet of water striking series of radial flat vanes of the wheel is 200 mm and the velocity of the jet is 100 m/s. The velocity of the vanes is 46 m/s Calculate the force exerted on the series of vanes by the jet of water.
asked by Herman 
Algebra
$ 3420 Is To Be Shared Btw Two Ppl. But One Of The Two Must Have 28% Morethan The Other, How The Sharing Would Be Made Then?
asked by somay 
Algebra
If x
asked by Hannah 
Math
Could someone please help me to solve this equation using exact values. 9^(2x)+4(9^x)=21 and also check for extraneous roots. thank you
asked by angelina 
MATH
Solve the integral using trig substitution (1/((x)(x^2+1)))dx
asked by ANON 
chemistry
pH of 1.0 x 108 M RbOH
asked by Richard 
maths
simplify 6x+4y*3x+5x2x*3y
asked by sarah 
$15000.in 1999
How much should pay back now.
asked by Anonymous 
Maths
Please Help Differentiate Sin sqrt x from first principles
asked by Joel 
Maths
Prove That If the equation x^2+ax+b=0 and cx^2+2ax3b=0 have a common root then b=5a^2(c2)/(c+3)^2
asked by Joe