# Nikki

Popular questions and responses by Nikki
1. ## Math

An auditorium has 30 rows with 10 seats in the first row, 12 in the second row, 14 in the third row, and so forth. How many seats are in the auditorium My answer is 1170 but the way I figured out the problem was by listing numbers 1-30. the problem state

2. ## Algebra

Translate this phrase into a algebraic expression. 22 more than twice Mabel's age

3. ## Consumer math

Could someone please check my answers? Secured Credit APR Excellent 4.75% Good 5.00% Average 5.85% Fair 6.40% Poor 7.50% -------------------------- Unsecured Credit APR Excellent 5.50% Good 5.90% Average 6.75% Fair 7.25% Poor 8.40%

4. ## Chemistry

A 0.08425 g sample of gas occupies 10.0-mL at 292.5 K and 1.10 atm. Upon further analysis, the compound is found to be 13.068% C and 86.932% Br. What is the molecular formula of the compound? Identify the geometry around each carbon atom. a)trigonal

5. ## pre algebra

a certain spinner has equally sized slices. the probability of landing on a red slice is 1/3 what are the odds in favor of landing a on a red slice

6. ## Science

Describe at least one societal issue that scientists will be able to address using the sequence of the human genome.

7. ## Geometry

The question is to find the measure of arc PQ in Circle A. The point A is the center of the circle, and the chords PR and SQ intersect at the center. Arc PQ is (3y-10), while arc SR is (2y+20). I know there's a theorem that states that when two chords

8. ## English

Complete the following sentence. _____ often answer the questions who, what, why, when, or where. Supporting details (MY ANSWER) Statistics Reading strategies Graphic organizers

9. ## math

rainbow Harbor Cruises charges \$16/adult and \$8/child for a round trip ticket. The records show that on a certain weekend, 1200 people took the cruise on saturady and 800 people took the cruise on sunday, The total receipte for saturday were \$13,600 and

10. ## Chemistry

1.06g of sodium trioxocarbonate(iv) reacted with excess dilute 0.1M hydrochloric acid, after the reaction, the unreacted acid required 24cm3 of 0.1M sodium hydroxide for its complete neutralization. Calculate the original volume of the hydrochloric acid

11. ## Literary Analysis and Composition

could you please help with these questions? In works like "To Build a Fire," Naturalist writers such as Jack London advocated (Points : 5) trusting entirely in the wisdom and ingenuity of human beings. respect for the power and wildness of the natural

12. ## algebra

The difference of a number and 3 is the same as 39 less the number. Find the numbet?

13. ## Math-Geometry

B is in the interior of angle AOC. C is in the interior of angle BOD. D is in the interior of angle COE. The measure of angle AOE is 162 degrees, COE is 68 degrees, and the measures of angles AOB, COD, and DOE are all equal. The question is to find the

14. ## Chemistry

Balance the equation: NO2- (aq) + Al (s) --> NH3 (g) + AlO2- (aq) (basic solution) ** please note the "2-" on the NO2- and AlO2- are not subscripts, they are the charges. I missed a few classes in Chemistry and find myself lost. I have tried to learn these

15. ## Physics

A car travels the same distance at constant speed around two curves, one with twice the radius of curvature of the other. For which of these curves is the change of the velocity of the car greater? Explain.

patient paid \$125.00 toward deductible od 500.00 80-20 coinsurance charges of 134.00, 147.00 and 83.00 what will patient pay and what will be reimbursment

Identify the number of independent and subordinate clauses in the following group of words. When Janine does volunteer work, she feels a sense of joy and fulfillment A. one independent clause only B. one independent clause and one subordinate clause (MY

18. ## Science 1 quick question

Suppose monerans lost the ability to fix nitrogen. How would this affect other organisms?

19. ## The last time...Language arts

What figurative language does use in Annabel Lee? My Answer--> With a love that the winged seraphs of heaven coveted her and me” (lines 8 and 9). The angels do not see any restoration of the love even in heaven; they doubt that he will reunite in heaven

20. ## chemistry

A sample of neon effuses from a container in 73 seconds. The same amount of an unknown noble gas requires 149 seconds. Identify the gas.

21. ## Math

A rectangular parking lot has an area of 2/3 of a square kilometer. The width is 1/2 of a kilometer. What is the length, in kilometers, of the parking lot?

22. ## Trigonometry

Show algebraically how to confirm that cos2x=cos^2x-sin^2x using the sum and difference identities

23. ## MicroEconomics

“The power to constrain an adversary depends upon the power to bind oneself.” ." Explain this statement using the concept of strategic commitment.

24. ## Algebra 2

Can someone check my answers? 1. Convert 13pi/30 to degree measure. 78° 2. Find the distance between (4,4) and (8,7). 5 3. What is the vertex of the parabola y = (x + 8)^2 - 2? (-8,-2) 4. The graph of y = 6(x - 8)^2 + 1 open downward. False. 5. An angle

25. ## History

Which of these stories in the Bible would have had the largest impact on an enslaved person? A rich young ruler is told to give all his wealth to the poor. God leads the Hebrews out of forced servitude in Egypt.*** Jesus is betrayed by Judas Iscariot, one

A data processing analyst for a research supplier finds that a preliminary computer run of survey results show that consumers love a client’s new product. The employee buys a large block of the client’s stock. Discuss the ethical ramifications of this

27. ## chemistry

Na + H2O ¨ NaOH + H2 How many moles of H2 would be formed from 30 grams of Na in the following (UNBALANCED) equation?

28. ## chemistry

what the balanved equation for gaseous sulfur dioxide reacts with water to form aq sulfurous acid (H2SO3)

29. ## AP Biology

I have two questions: 1. Why are action potentials usually conducted in only one direction along an axon? A. The axon hillock has a higher membrane potential than the terminals of the axon. B. The brief refractory period prevents reopening of voltage-gated

30. ## Calculus

How many critical points does the function f(x) = [(x-2)^5][(x+3)^4] have? A. 1 B. 2 C. 3 D. 5 E. 9 --- Ok, these are my thoughts on this question: My impulse was to do derivative of the function. However, if I'm going to set the function equal to zero to

31. ## Math

question 1: A series is: 1. any list of numbers 2. a summation of quantities whose positions are based upon the natural numbers 3. an arrangement of quantities whose positions are based upon the natural numbers. Which number is it? question 2: For the rule

32. ## Chemistry

Sodium Chloride is the LEAST soluble in which of the following liquids? a. H2O b. CCl4 c. HF d. CH3OH e. CH3OOH I know NaCl is a polar molecule...and a dipole-dipole IMF bond? My guess is b because it's nonpolar and I think it's a London Dispersion IMF. Is

33. ## chem

Use the molar volume of a gas at STP to determine the volume (in L) occupied by 10.5g of neon at STP.

34. ## 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

35. ## math

A survey of high school juniors found that 82% of students plan on attending college. If you pick three students at random, what is the probability that at least two plan on attending college? Round to the nearest percent

36. ## Social Studies

The most likely reason why an ancient Greek might worship more than one god is that ______________. A. Each god offered different help in areas of life B. he or she wasn't sure which of the gods were real C. the popularity of gods changed over time D. he

37. ## Math

A bag of peanuts weighs 1/4 pound. How much do 1 1/2 bags weigh?

38. ## Social Studies

I need help ASAP! 1. In what order does a dynasty gain and lose power in the Mandate of Heaven? 2.Chinese settlement was restricted to the west by which natural barrier? A. the Pacific Ocean B.the Gobi Desert C.the Huang River D.the Himalaya Mountains 3.

39. ## Commom Core Algebra

how do I rewrite the following expression as an equivalent product of two binomials? x(x+2)+3(x+2)

40. ## math

how do you own your learning in algebra 1?

41. ## History

What are the risks and benefits of propaganda campaigns?

How many decimal places are in the product of a number with decimal places to the hundredths multiplied by a number with decimal places to the tenths? A) 2 B) 3 C)4 D)5 Is it C-4 ? If not, please explain how i can solve .. thank you :)

43. ## ece

Hannah said, "I like blue the best. It is my favorite color. I am the only one who likes blue this much. That's why everything of mine is blue." This is typical of __________ speech. A. personal function B. heuristic function C. representational D.

44. ## math

frank cut a pie into 10 equal slices there are only 3 slices left what is the measure of the angle for the 3 slices that are left?

45. ## Computer

For which operating system is exFAT NOT an option when formatting a partition? A. Windows XP with SP3 B. Windows XP with SP2 C. Vista with SP1 D. Vista

46. ## Computer

You have an empty 64 bit PCI slot in your computer. What can you install in it? A. A single 64 bit adapter card B. A single 32 or 64 bit adapter card C. A single 64 bit adapter card or two 32 bit adapter cards D. A single 64 bit adapter and an 8 bit

47. ## Algebra

Two functions f and g are defined by f:x = 25 /(3x-2) g:x = x^2 Find the composite function

48. ## Trig

A baseball diamond is a square with sides 22.4m The pitchers mound is 16.8m from home plate on the line joining home plate and second base. How far is the pitchers mound from first base?

49. ## chemistry

Calculate the pH at which the amino group of lysine is 20% dissociated. lysine side chain pka is 10.5.

50. ## Math

Find the solution to: Solve: 0.9x+9

51. ## music

which one of the following terms best describes the music the classical period

52. ## Chemistry

I need some help with writing reactions. I have the following to write out: a. the hydration of copper sulfate b. the reaction of liquid sulfuric acid to form aqueous sulfuric acid c. the reaction of calcium oxide w/ water to form calcium hydroxide For a,

53. ## science

Provide a one sentence description of typical precipitation and temperature for summer and winter. Use terms such as cool, cold, warm, hot, dry, and wet. Then, identify the characteristics of a plant and animal that is seen regularly in your region. How do

54. ## Geometry

Find the area of a regular pentagon with radius 3cm. Round to the nearest tenth. No picture is given, but I believe a circle can surround the figure. I'm not really sure how to find the area of the figure when the side length isn't given. Can you guys help

55. ## Math ?

Which of these numbers is prime? Explain why or why not. 407 409 411 413

56. ## science

the process of changing free nitrogen into a usable form of nitrogen is called

57. ## Algebra 2

Can someone see if I got these correct? 1. Solve log5 x = 3. x = 125 2. log3 (x - 4) > 2. x > 13 3. Evaluate log7 49. log7 49 = 2 4. Solve log3 x = 4. x = 81 5. The graph of a logarithmic function y = 3^x is a reflection of x = 3^y over the line y = 0.

58. ## Art History

Name the two major changes that affected european art in the eighteenth century. My art book doesn't exactly point out or focus on two changes. I would go with the French Revolution, but I'm not sure what the other change would be. After it talks about

59. ## Science

Carbon dioxide, ethanol, and energy are the products when anaerobic respiration occurs in oxygen*** in the presence of nitrogen in yeast cells in an animal cell

60. ## math

meredith picked 4 times as many green peppers as red peppers. If she picked a total of 20 peppers, how many green peppers did she pick?

61. ## College Algebra

I am asked to write a logarithmic expresion as a single logarithm with coefficient 1 and simplify as much as possible. The equation is: 4logbase5Y-3logbase5X+1/2logbase5Z. Could some please help me I am not understanding this whole Logarithm thing.

Identify the number of independent and subordinate clauses in the following group of words. Energy can be gathered by using solar power A.two independent clauses(MAY ANSWER) B.one independent clause and one subordinate clause C.one subordinate clause only

63. ## PHYSICS

A BRIDGE IS CONSTRUCTED WITH LUMP OF WOOD 15M LONG ITS PIVOTED AT 2M FROM BOTH ENDS RESPECTIVELY, A THIN AND FAT MAN OF MASSES 30KG & 90KG RESPECTIVELY,STOOD AT POINT A & B,4.5M AND 10M,WHAT IS THE REACTION EXPERIENCED AT THE PIVOT THE BRIDGE

2) Your online chat name should never contain your full name. True or False ~ (My answer is TRUE) 3) It is safe to tell your online acquaintance (someone you have NEVER met) your a. full name b. address c. phone number d. favorite music ~ (My answer) 4)

65. ## Math

bill ate 1 jelly bean on sunday, 2 jelly beans on monday and 3 jelly beans on tuesday. if this continues for the rest of the week, how many jelly beans will bill have eaten in all by the end of saturday?

66. ## Algebra

A woman invested part of \$29,000 at 6% interest and the rest at 7%. If her annual interest is \$1,895, how much did she invest at 6%?

67. ## Chemistry (solubility product question)

"When 3.00 ml of a 0.00600 M K2CrO4 solution and 3.000 ml of a 0.0100 M Cu(NO3)2 solution are mixed, some solid forms. The mixture is centrifuged and the supernatant is removed. The absorbance of the supernatant, measured at 400 nm in a 1.00 cm cuvette, is

68. ## Algebra

Rosa is 14 years older than her sister amy. Three years ago, she was three times as old as amy. how old is each girl now?

69. ## math

KATHY has red balloons and blue balloons. She gives away 5 ballons. If she gives away 3 red ballons, how many blue ballons does she give away?

70. ## Science quick question

bacterial structures which could survive unfavorable conditions are called? Spores Flagella Cysts Granuless My answer: spores?

71. ## Math

Expand 5 (x+y+z) Factor wx + wy

72. ## Chemistry

Solid copper oxide reacts with ammonia gas according to the following equation: 3CuO + 2NH3 -> 3Cu + N2 + 3H20 50 grams of CuO is placed in an 80L reaction vessel, and the vessel was evacuated. Ammonia gas was then gradually introduced into the vessel,

73. ## maths

the perimeter of a parallelogram is 28 cm and ratio of the adjacent sides is 3:4 find the sides of a parallelogram?

draw a box that has 3 valumes of 12 cubic units in 3 different ways

75. ## math

Suppose you roll a fair die 18 times. (a) What is the sample space? (b) What is the probability that each number from 1 to 6 appears exactly thrice? (c) What is the probability that the number 1 appears exactly twice, 3 appears exactly four times, and 5

76. ## Computer

What is the name of the Windows Utility that you use to format drives? A. System Manager B. System Drive Manager. C. Disk Management D. Windows Drive Administrator

77. ## Computer

Your computer is running very slow. The LED light for the hard drive blinks nearly continually, indicating that the hard drive is spinning even when data is not being saved or read from the hard drive. Based on this scenario, what is probably causing the

78. ## Last Question Plz helppp:((im soo sleepy!!:(

1)The reaction between solid sodium and iron(III) oxide, Fe2O3(s), is one in a series of reactions that occurs when an automobile air bag inflates. 6Na(s) + Fe2O3(s) -> 3Na2o(s) + 2Fe(s) If 100.0 g of iron(III) oxide are used in this reaction, what mass of

79. ## Chemistry

1)The following balanced chemical equation represents the reaction of calcium carbonate CaCO3 (s), with hydrochloric acid : CaCo3(s) + 2HCl (aq) -> CaCl2(aq) + CO2(g) + H2O(l) If 155 g of calcium carbonate reacts with 245 g of hydrochloric acid, what mass

80. ## Algebra

Two functions f and g are defined by f:x = x^2 + 3 g:x = 2x+1 Find the function fg

81. ## physics

An object is placed 5 cm in front of a concave lens of focal length 7 cm. Find the image location by drawing a ray tracing diagram to scale.

82. ## math

4 3/4 + 3 1/2 ADD AND WRITE IN SIMPLEST FORM

83. ## Math

A 5.0m ladder is leaning 3.1m up the wall. What is the angle the ladder makes with the ground? Would this be..... sinA=3.1/5.0 sinA=0.62 sin^-1=38degrees?

84. ## Algebra

Solve for x: (x/4)-(5/x)=(1/4)

85. ## math

christine went shopping and bought each of her six nephews a gift, either a video costing \$14.95 or a Cd costing 16.88. she spent 91.63 on gifts how many videos and how many cd's did she buy

86. ## Math

two forest fire stations,P and Q are 20.0 km apart, A ranger at station Q sees a fire 15.0 km away, if the angle between line PQ and the line form P to the fire is 25 , how far to the nearest tenth of a kilometre is statin P from the fire

87. ## Math

state the primary trigonometric ratio associated with angle a p(-2,5)

88. ## Physics

A 2 kg ball of putty moving to the right at 3m/s has a head-on inelastic collision with a 1 kg ball of putty moving to the left at 3m/s. What is the final magnitude and direction of the velocity of the stuck together balls after the collision?

89. ## physics

A car travelling at a constant speed of 136 km/hr passes a tropper hidden behind a billboard. One second after the speeding car passes the billboard, the tropper sets in a chase after the car wit ha constant acceleration of 3.8 m/s^2. How far does the

90. ## Physics

You are riding on a jet ski directed at an angle upstream on a river flowing with a speed of 2.8 m/s. If your velocity relative to the ground is 8.2 m/s at an angle of 25.0° upstream, what is the speed of the jet ski relative to the water?

91. ## Math

Identify the property. X(a-b)= ax- bx

1. (TCO 9, 2, 3, 7) You have worked for an electronics company for the past three years. You have been assigned the responsibility to create a workbook presenting profits and losses at the company's end of year meeting. It is critical for the workbook to

93. ## algebra

Solve the equation by a method of your choice: 6x2 + 5x + 1 = 0 If there are two solutions, separate the solutions by a comma.

94. ## chemistry

2.50x10 to the second power mL of 0.100M NaBr

95. ## chemistry

what is the formula for hydrate copper(II) CHLOride Tetra-hydrate?

96. ## Physics

If a gas tap is turned on for a few seconds, someone a couple of meters away will hear the gas escaping long before he or she smells it. What does this indicate about the speed of sound and the motion of molecules in the sound-carrying medium?

97. ## Physics

Will a cyclist coast farther if the lamp connected to his generator is turned off? Explain.

98. ## physics

Suppose partial melting of the polar ice caps increases the moment of inertia of the Earth from 0.331MR^2 to 0.332MR^2. What is the change in length of day in seconds?