# Questions Asked onJuly 24, 2016

1. ## 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

2. ## 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.

3. ## english

Change underlined phrase to show ownership or possession

4. ## Maths-Numeracy

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?

5. ## 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

6. ## Physics

A cyclist moving on a corcular track of radius 40m completes half a revolution in 40 sec. Its average velocity is nearly

7. ## 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

8. ## 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.

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.

10. ## physics

three resistors of 2ohm, 3ohm and 4 ohm are connected in (a) series (b) parallel. find the equivalent resistance in each case

11. ## 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.

12. ## math

a bullet is fired horizontally with a velocity of 200m/s.if the acceleration due to gravity is 10m/s-2, un first second through which height it will move.

13. ## 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?

14. ## 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

15. ## 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

16. ## physics

a pendulum swing with a speed of 1.5 m/s at its lowedt point. How high will it rise before it stops

17. ## 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?

18. ## 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 ?

19. ## 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

20. ## Math

Evaluate the integral using u substitution ((y^3)/((1-y^2)^2))dy

21. ## 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

22. ## mathematics

an equilateral triangle is placed inside and a right angled isosceles triangle.determine the value of x + y

23. ## 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

24. ## 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

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

26. ## math

there are 91 students that attend mass .this represents 70% of the students. how many students at mass

5/3+x=2; x

28. ## Maths & numeracy

Loose almonds in a supermarket cost \$6.48 for 250gm, or you can buy 375 gm of pre-packaged almonds for \$10.65. Which is the better buy?

29. ## MATH

Integrate 1/(x(x^2+1)) dx using trig substitution

30. ## 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

31. ## 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.

32. ## Msths

If i have 26 months to pay back 15000 dollars how much would i pay monthly?

5= 6y; y=

34. ## physics

Calculate the momentum of a 100 kg object moving with velocity 10m/s

35. ## english

1. my parents work hard to support us. 2. we help them do the household chores.

36. ## physics

Calculate the momentum of a 100 kg object moving with velocity 10m/s

37. ## 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

38. ## Math

the perimeter of a rectangle is 24cm.express tha area of the rectangle in terms of width x

39. ## Math

Find two number whose product is a 1-digit number and the sum is a 2-digit number.

asked by Arjun kv
40. ## 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.

41. ## Calculus

If x^2 + y^2 = 25 and dx/dt = 8, find dy/dt when x=3.

42. ## 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.

43. ## 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 .

44. ## geometrey

Decide whether perimeter or area should be considered when buying tilestiles needed for a floor.

45. ## math

The amount of medicine ingested by the body is a function given by A(t)= 5/6 (12t-t^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.

46. ## Chemistry

Why Fe(III) can be estimated in acidic medium by dicromet not by permanganet? — please give answer basis on value of reduction potential

47. ## math

Evaluate the expression: s = 8; 6s^2

48. ## Math

Find the solution of the given equations. x-1/x^2-9+1/x-3=2/x+3 Thank you! :)

49. ## 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?

50. ## 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.

51. ## 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?

If x

53. ## 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

54. ## MATH

Solve the integral using trig substitution (1/((x)(x^2+1)))dx

55. ## chemistry

pH of 1.0 x 10-8 M RbOH

56. ## maths

simplify 6x+4y*-3x+5x-2x*3y

57. ## \$15000.in 1999

How much should pay back now.