# Nicholas

Most popular questions and responses by Nicholas
1. ## history

How was the rule of Cardinal Richelieu different from that of Henry IV? a Cardinal Richelieu improved the French economy. B. Cardinal Richelieu reduced the size of the French military. C. Cardinal Richelieu gave local nobles more power. D. Cardinal

2. ## Algebra

Find the balance in the account, 4,000 principal earning 6% compounded annually after 5 years.

3. ## chemistry

8.22 g of CuNO3 is dissolved in water to make a 0.590M solution,what is the volume of the solution

4. ## math I NEED HELP RIGHT KNOW

1. 1/10 x 3/4 A.15/2 B.2/15 C.3/40 D.40/30 2.4/5 of 40 A.32 B.1/32 C.12 D.44/5 3.1/3 of 3 A.1/18 B.1/3 C.1 D.1/9 this is the Lesson 4: Multiplication of Fractions Review Math 6 A  Unit 7: Multiplying and Dividing Fractions quiz, so if you know the rest

5. ## chemistry

If heat of reaction, Ca(s) + 2H+(aq) Ca2+(aq) + H2(g) , is - 544 kJ/mol, heat of reaction, CaO(s) + 2H+(aq) Ca2+(aq) + H2O(l) , is -192 kJ/mol. and heat of formation of water is -286, what is heat of CaO? i found that the formation of CaO is -638. However,

6. ## physics

A helicopter flies 65km [N32°E] then 42km[E 21°] determine the total displacement of the helicopter.

7. ## chemistry

I balanced an equation between lead(II) nitrate and potassium sulfate and ended up with: Pb(NO3)2 + K2SO4 --> PbSO4 + 2 KNO3 If 0.87 moles of potassium sulfate react with an excess amount of lead(II) nitrate, how many moles of lead(II) sulfate would be

8. ## math

choose the graph that shows the soulution of the inequality on the number line n>4 a b c d

9. ## History

What is the correct order of the social pyramid of Spanish colonial society? Place the highest class at the top and the lowest class at the bottom. A. creoles B. mestizos and mulattoes C. Africans and Native Americans D.peninsulares My awnsers D A B C

10. ## Math

Use arrow notation to describe the translation of point P(–5, –4) to point P′(–8, –7).

11. ## Chem

Please help how to set up How many grams of CuSO4 * 5H2O are needed to prepare 100.ml of a 0.10 M solution?

12. ## math

You are given the probability of event E. Find the odds in favor of event E and the odds against event E. a. 1/8 b. 2/5

13. ## History

Why did the Puritans move to New England? Please help ms. Sue A.They were trying to escape poverty and famine. B.They hoped to find gold and other riches. C.They wanted to practice their own religion.** D.They were forced into exile by the British

14. ## Physic

you have to push with a force of 200N to slide a refrigerator across a floor at constant velocity.What is the force of friction acting on the fridge?

15. ## physics

find the electrical enery expended by electric lamp labeled 100w in 8 seconds

16. ## History

1. what means did Portuguese explorers use to establish trading posts in India, Persia, and Southeast Asia? A. They signed agreements between local rulers and the Portuguese king B. They worked with the native people to establish diverse colonies*** C.

17. ## Physics

A 6.08 kg box sits on a ramp that is inclined at 37.4 ∘ above the horizontal. The coefficient of kinetic friction between the box and the ramp is 0.30. What horizontal force is required to move the box up the incline with a constant acceleration of 4.30

18. ## Math

A garden against the wall of a house is to be surrounded on three sides by a total of 336m of fencing. What dimensions of the garden will result in an area of 14,112m^2?

19. ## Precal

A hot-air balloon, headed due east at an average speed of v = 14 miles per hour and at a constant altitude of h = 120 feet, passes over an intersection (see the figure). Find an expression for its distance d (measured in feet) from the intersection t

20. ## Statistics

An urn contains 8 chips, numbered 1 through 8. A sample of 3 is drawn without replacement. What is the probability that the largest chip in the sample is a 5?

21. ## Chemistry

CO2(g) + 2 NH3(g) CO(NH2)2(s) + H2O(g) What volumes of CO2 and NH3 at 193 atm and 450.°C are needed to produce 2.54 kg of urea, assuming the reaction goes to completion?

22. ## math z-score

Henry's z-score on his reading test was 1.27. The class average was 60, the median was 58.5 and the variance was 6.2. What was Henry's "raw" score (his score before converting to z-scores)

23. ## integration by parts

s- integral s ln (2x+1)dx ? = ln(2x+1)x - s x d( ln (2x+1)) = ln(2x+1)x- s x [(2x+1)'/ (2x+1)] dx = ln(2x+1)x- s x [(2)/ (2x+1)] ?... then i'm confused... "ln(2x+1)x- s x [(2)/ (2x+1)] ?... then i'm confused..." x [(2)/ (2x+1)] = 2x/(2x+1) =

24. ## Geometry

A gasoline truck is a cylindrical tank(think "sideways" cylinder) that is 20 feet long and 6 feet in diameter. At the end of his work day, the driver measures the depth of gasoline in the tank at 18 inches. How many gallons of gas are in the tank?

25. ## chemistry

How many grams of bismuth (III) chloride can be produced from 575 mL of chlorine gas at STP when reacting with excess bismuth metal?

26. ## physics

An air bubble at the bottom of a lake 35.0 m deep has a volume of 1.88 cm^3. If the temperature at the bottom is 5.4 C and at the top 19.5 C, what is the volume of the bubble just before it reaches the surface?

27. ## Math

A Two Digit Number is such that the sum of the ones digit and the tens digits is 10.if the digits are reversed the number formed exceed the original number by 54,find the number?

28. ## math

Sebastian rides his bike 2,000 meters in five minutes. How many meters does he bike in 1 minute

29. ## chemistry

If heat of reaction, Ca(s) + 2H+(aq) Ca2+(aq) + H2(g) , is - 544 kJ/mol, heat of reaction, CaO(s) + 2H+(aq) Ca2+(aq) + H2O(l) , is -192 kJ/mol. and heat of formation of water is -286, what is heat of CaO? Ca(s) etc is equation 1. CaO + 2H^+ etc is equation

30. ## Chemistry

A student is given a 5.000g sample to analyze composed of tin metal with a small amount of a zinc impurity. The student dissolves the metal in concentrated nitric acid, allows the reaction to continue to completion, and heats the mixture to leave 6.341g of

31. ## Science

An elevator lifts 5 passengers 30 meters in 24 seconds. The power is 15,000w. What is the total weight of the elevator and passengers?

32. ## science

Science Experiment Determine a mathematical modelwhich describes the height of a ball in terms of th number of bounces after it has been droped from a given height. If a ball that bounces like a tenniis ball, is dropped from a given height, then it will

33. ## same type of binomial theorem question

Question: Find the first 3 terms in the expansion, in ascending powers of x, of (2 + x)^6. Hence, obtain the coefficient of x^2 in the expansion of (2 + x - x^2)^6 I know the first part of the question, and the first 3 terms are (64 + 192x + 240x^2 + ...)

I don't get the notes on the bass clef I get confused do any of you people know all of the notes

35. ## Math

How many 250ml cups can I fill up if I have a 4 liter jar

36. ## chemistry

a graduated cylinder containing 75.0 mL of water has a mass of 149.86 g. A piece of metal is added to the cylinder and the volume of the water changes to 86.3 mL. The mass of the graduated cylinder, water and metal rises to 218.90 g.

37. ## Math

What are the least and greatest numbers written in the hundredths that could round to 164.8 and explain your answer?

38. ## American Literature

I am writing a critique for my American Literature class on The Great Gatsby and I am so stuck. I don't know exactly how to prove my thesis. I need four different points. My thesis: Gatsby achieves the American dream by becoming quite successful; however,

39. ## English 11 B

What element should readers consider when exploring how different literary genres approach the same subject?

40. ## Physics

Two trains approach each other at a railroad crossing. Train 1 travels 80 km/h and Train 2 travels 50 km/h. They both sound their horns before passing each other, emitting sound waves at 300 Hz. The speed of sound is 343 m/s. At what frequencies does a

Can't figure this math problem out: Write an algebraic expression for the product of five less than a number and three, less eight, is twenty-eight. HELP ME PLEASE!!

42. ## Math

Simplfy 10^1 x 10 ^-2 x 10 ^-1

Need help unscrambling these letters: eeiochrs

44. ## Math

i am a four digit number. all of my digits are different. my first digit is twice my fourth digit. my second digit is twice my first digit.my last digit is twice my third digit. the sum of my digits is 15. what number am i?

45. ## Science

A boy exerts a force of 15N to push a motor bike which has flat tyre for a distance at 30m.calculate the mass of the motor bike. Calculate the density of the motor bike.calculate the work done by the boy.[take g=10m|sm2

46. ## binomial theorem again

How do i do this question using the binomial theorem concept? It says, expand (2+x)^5 up to x^2 term, hence, expand (2 + x + x^2)^5 up to the x^2 term. I could do the first part, and the answer would be (32 + 80x + ...) But how should i make use of the

47. ## integration by part

s- integral s (p^5) lnp dp ? = (lnp)[(p^6)/(6)] - s (i'm confused here) Let ln p = u and p^5 dv = dv du = 1/p and v = p^6/6 The integral can be written uv - v du = (ln p*p^6)/6 - S (p^5/6) = (1/6)ln p*p^6 - ??? Complete the last step

48. ## ap physics

A spherical comet of mass m and diameter is d, travelling at velocity v enters a cloud of stationary cosmic meteoroids (small rocks). The average density of the cloud is p. When a meteoroid impacts the comet it adheres to its surface. As a result the comet

49. ## math

A type of bacteria reproduces by splitting in two every thirty minutes. How many bacteria will there be after 4 hours if there are 2 bacteria to begin with?

50. ## math

A 75ft diagnol brace on a bridge connects a support of the center of the bridge The horizontal distance that it spans is 15ft longer than the hieght that reaches on the side of the bridge.Find the horizontal and vertical distance spanned by this brace

51. ## Homework

What 5 leter words can you get out of these letters: eeiochrs I already got: chores, choir, chore, cheer - need 2 more

52. ## binomial theorem!

How do i do this question using the binomial theorem concept? It says, expand (2+x)^5 up to x^2 term, hence, expand (2 + x + x^2)^5 up to the x^2 term. I could do the first part, and the answer would be (32 + 80x + ...) But how should i make use of the

53. ## music

how we named the note that is above the first line on the bass clef?

what are the four long periods of history as defined by western societies

55. ## Physical Science

How can computers predict the outcome of an election soon after the polls close but before all the votes have been counted?

56. ## grammar

Is the abbreviation Pkwy. a proper noun? How about Mt.? It seems like mount would be a common noun since it is not with a proper noun, but it is capitalized.

57. ## math

help with solving a magic square http://www.jiskha.com/display.cgi?id=1125461237.1125498843 MAGIC SQUARES Magic squares, those seemingly innocent looking collections of numbers that have fascinated so many for centuries, were known to the ancients, and

58. ## integration by parts

s- integral s ln (2x+1)dx ? = ln(2x+1)x - s x d( ln (2x+1)) = ln(2x+1)x- s x [(2x+1)'/ (2x+1)] dx = ln(2x+1)x- s x [(2)/ (2x+1)] dx = ln(2x+1)x- s (2x/2x+1) dx = ln(2x+1)x- s [(2x+1-1)/(2x+1)] ... i'm confused about why there is a minus 1 after the

59. ## Algebra

a boat is taking a cruise to a remote island 800 miles away. The trip downstream with current is 8 mile per hour. the return trip upstream against current is 10 hours. find the speed of the boat in still water and speed of current

60. ## Algebra

9!-6!/ (9-3)!

61. ## american history

For revolutionaries like Sam Adams, what term embraced a way of life, a core ideology, and an uncompromising commitment to liberty and equality.

62. ## Geometry

For what values of x and y musy ABCD be a parrallelogram

63. ## algabra

cubes 1 and 2 are similar if the volume of cube 2 is 45 and the scale factor between sides of the two is 2:3 what is the volume of cube 1?

64. ## Math

Which is a prime factorization? a. 5^2 x 7^2 x 18^3 b. 5^3 x 7^2 x 19^2 c. 6^2 x 7^3 x 18^2 d. 4^2 x 5^2 x 15^3

65. ## math

solve using the elimination method. If the system has no solution or infinite number of solutions a state this 4x-6y=30 3x-5y=24

66. ## math

A 75ft diagnol brace on a bridge connects a support of the center of the bridge The horizontal distance that it spans is 15ft longer than the hieght that reaches on the side of the bridge.Find the horizontal and vertical distance spanned by this brace

67. ## science

Why do projectile motoin follow a parabolic path way

68. ## Maths

Ben gives 1/3 of his annual savings to charity he spends 3/5 of the rest on domestic bills. 1. What fraction of his savings does he spend altogether 2. Find the fraction of his savings left.

69. ## word problem

Tamika is helping her father make shelves measuring 12x16" how many can be cut from a 48x72" piece of plywood so there is no waste?

70. ## geography

what is the term for "products of the human imagination that please and entertain us and teach a cultures values"

71. ## Mathematics

Assume that S/A = 7.0, D/A = .40, N/E = .80 and A = D + E. Solve for N/S. I'm lost. Does anyone have any tips? Thank you.

72. ## Algebra 2

Simplify the Expression. 2m^2 - 5n^2 + 6n^2 - 8m

73. ## ethics and moral reasoning

Robinson describes magnanimity as the mean between the extremes of

74. ## world history

What are two positive and negative and things about civilization

What is the sum of all the constants k such that |x^2−169|−x−k=0 has three distinct real roots?

76. ## ela, english

TRUE OR FALSE: It is imperative that you pace yourslef because of a test is timed?

77. ## intermediate algebra

solve each formula for the specified variable, y-y^1 = m(x-x^1) for x

78. ## calculus

A force of 13 N is needed to keep a spring with a 2-kg mass stretched 0.25 m beyond its natural length. The damping constant of the spring is c = 8. If the mass starts at the equilibrium position with a velocity of 0.5 m/s, find its position at time t.

79. ## Science

A boy exerts a force of 15N to push a motor bike which has flat tyre for a distance at 30m.calculate the mass of the motor bike. Calculate the density of the motor bike.calculate the work done by the boy.[take g=10m|sm2

80. ## math

Sabino took the ACT in 2003 and received a composite score of 22. If the mean and standard deviation for that year were, respectively, 20.8 and 4.8, what percent of all of the students who took the exams scored better than him?

81. ## medical assisting

imformation should include____________,_____________, and ________, procedures

82. ## Networking

I was wondering if when I posted my paper, everyone would help me proof it and help me find references, I've done most of it by memory, and what I would do situations, but I need references. If you would that'd be awesome

83. ## Social Studies

I am looking for facts about Theodore Roosevelt for a project.

84. ## just want 2 know

if people don't think troy was a real place why is it in so many history books...

What is the mass of a piece of aluminum that has a volume 100.0^3?

86. ## math

how to solve negative output problems

What Do Race Car Drivers Really Do?

89. ## arithmetic

What are the multiples of 3

90. ## Geography

What is the importance of a state capital?

91. ## Pre Algebra

_12 + 4n = 6(n-2)

92. ## history

Who was Minnesotas first school teacher

93. ## science

what are the five groups of vertrbats?

94. ## Paul Martin

Who knows what website I can go to for some baby pictures of Paul Martin? It is for my social studies project. Thankz:P I did an internet check and found only pictures of the Prime Minister as an adult. I suggest you try finding a biography in your

1. ## clothing and textile

Reasons for controlling fullness

posted on May 28, 2019
2. ## physics

I need the full answer of the question

posted on May 8, 2019
3. ## ss

b

posted on May 7, 2019
4. ## Health

I'm not even in the same school and you guys have the same quick check that I do. wow.

posted on May 6, 2019
5. ## Art

For NCA B D A C D B D D D B

posted on May 2, 2019
6. ## Art

he has two of them wrong, 8 and 7 are both d.

posted on May 2, 2019