# jim

Popular questions and responses by jim
1. ## English

Type of sentence: To keep your files in order, the filing rules must be learned. (A) Properly constructed (B) Lacks parallel parts (C) Dangler (D) Misplaced part. I believe it to be (A)?

2. ## English

Combine these two simple sentences into a complex sentence. Many industrialized nations use the metric system. The United States refuses to adopt it. A. Although many industrialized nations use the metric system, the United States refuses to adopt it. B.

3. ## English

Choose the option that corrects the error in the "quote". If no error exists, choose "No change is necessary." Bill, the foreman of the construction company, is concerned about the safety in the large building. "They have had" three accidents in the past

4. ## Matht

Translate this sentence into an equation. The product of 7 and diego'so savings is 112. Use d to represent diego'so savings

5. ## Physics

Tree point charges(A---B---C)have equal magnitudes and are located on the same line.? The separation d btw A and B is the same as btw B and C. A is +, B/C are -. Consider the net electrostatic force that each charge experience due to the other two charges.

6. ## Chemistry

the activation energy for the decomposition of HI(g) to H2(g) and I2(g) is 186kj/mol. the rate constant at 555k is 3.42 x 10^-7 L/mol*s. What is the rate constant at 645K? Please show all steps USING THE ARRHENIUS EQUATION. Here is my work so far: K = A

1. What is the simplified form of squared root 140? A.) 4 to the square root of 35 B.) 10 to the square root of 14 C.) 2 to the square root of 70 D.) 2 to the square root of 35 Please show me how to do this Thank You

8. ## Chem

In photography, unexposed silver bromide is removed from film by soaking the film in a solution of sodium thiosulfate, Na2S2O3. Silver ion forms a soluble complex with thiosulfate ion, S2O3^2-, that has the formula Ag(S2O3)2^3-, and formation of the

9. ## chemistry

which probably has the lowest boiling point at 1.0 atm pressure. A) C6H14 B) C3H8 C) C4H10 D) C5H12 E) C2H6

10. ## English

Identify the INCORRECT sentence. A. Amanda worked diligently on her algebra homework. B. Trudy bought a American-made car. C. My sister angrily slammed the door. D. You should concentrate closely on whatever you write. D

11. ## Math

13. A catapult launches a boulder with an upward velocity of 148 ft/s. The height of the boulder (h) in feet after t seconds is given by the function h = –16t² + 148t + 30. How long does it take the boulder to reach its maximum height? What is the

12. ## English

Which is __________ to write, a letter or an essay? A. most easiest B. more easy C. easiest D. easier

13. ## Chemistry

Calculate the enthalpy change (ΔH) for: HCl(aq) + NH3(aq) → NH4Cl(aq) The reaction of 50.0 mL of 1.00 M HCl with 50.0 mL of 1.00 M NH3 causes a temperature rise of 6.4 ˚C in the resulting 100.0 mL of solution. The NH4Cl solution has a density of 1.005

14. ## math

a local television station sends out questionnaires to determine if viewers would rather see a documentary, an interview show or reruns of a game show there were 350 responses with following results. 105 were interested in an interview show and a

15. ## physics

Find the change in the gravitational force between two planets if the masses of both planets are doubled but the distance between them stays the same. Express your answer as an integer.

16. ## math

Case: A borrower received a 30-year ARM mortgage loan for \$200,000. Rate caps are 3/2/6. The start rate is 3.50% and the loan adjusts every 12 months for the life of the mortgage. The index used for this mortgage is LIBOR (for this exercise, 3.00% at the

17. ## physics

A stone with a mass of 1.0 kg is tied to the end of a light string which keeps it moving in a circle with a constant speed of 4.0 m/s on a perfectly smooth horizontal tabletop. The radius of the path is 0.60 m. How much work does the tension in the string

18. ## Math

A random sample of 42 college graduates revealed that they worked an average of 5.5 years on the job before being promoted. The sample standard deviation was 1.1 years. Using the .99 degree of confidence, what is the confidence interval for the population

19. ## Precalculus

From a rectangular piece of cardboard having dimensions a × b, where a = 40 inches and b = 70 inches, an open box is to be made by cutting out an identical square of area x2 from each corner and turning up the sides (see the figure). Express the volume V

20. ## Physics

As the time required to run up the stairs increases, the power developed by that person Increases, decreases, or remains the same. Is the answer decreases?

21. ## Calculus

The function f is continuous on the interval [3, 13] with selected values of x and f(x) given in the table below. Use the data in the table to approximate f '(3.5) x 3 4 7 10 13 f(x) 2 8 10 12 22

22. ## Probability and Statistics

If a seed is planted, it has a 95% chance of growing into a healthy plant. If 6 seeds are planted, what is the probability that exactly 4 don't grow?

23. ## Physics

Pulling the string on a bow back with a force of 28.7lbs, an archer prepares to shoot an arrow. If the archer pulls in the center of the string, and the angle between the two halves is 138 degrees, what is the tension in the string?

24. ## calculus

A rectangle has its base on the x-axis and its upper two vertices on the parabola y=12−x2 . What is the largest area that the rectangle can have

25. ## Chemistry

The human body “burns” glucose (C6H12O6) for energy. a. Write a balanced chemical reaction for the complete combustion of glucose to CO2(g) and H2O(l) such that the stoichiometric coefficient for glucose is 1. b. When 1.00 g of glucose are completely

26. ## Chemistry

Which of the following molecules has a double bond? 1. NO3- 4. H2 2. C2H4 5. C12 3. SO2 6. None of the previous answers I got that three of these molecules have a double bond (NO3-, SO2, and C2H4), but the answer is one. I am thinking that maybe the

27. ## Physics

a pendulum-driven clock gains 5.00 s/day, what fractional change in pendulum length must be made for it to keep perfect time?

28. ## ENGLISH 11

Richard Bone by Edgar Lee Masters: When I first came to Spoon River I did not know whether what they told me Was true or false. They would bring me an epitaph And stand around the shop while I worked And say "He was so kind," "He was wonderful," "She was

29. ## physics

As shown below, a bullet of mass m and speed v passes completely through a pendulum bob of mass M. The bullet emerges with a speed of v/2. The pendulum bob is suspended by a stiff rod of length and negligible mass. What is the minimum value of v such that

30. ## world history

Which power did farmers, merchants, and artisans eventually gain in the roman republic? A. The ability to elect officials who could veto laws harmful to plebeians B. The ability to select patrician consuls C. The right to help Etruscan authorities in

31. ## sequence

Select the first five terms in the arithmetic sequence an = 4n, starting with n =

32. ## physics

the mass of a brick is 2.5 kg. its dimensions are 10cmx5cmx2cm. find the pressure of the brick exerts on the ground if it is resting on a. 10cmx5cm base and b. 5cmx2cm base

33. ## pre calc

The minute hand of a clock is 7 inches long. How far does the tip move in 16 minutes? a.56/15pi b.8/105pi c.4/105pi d.28/15pi

34. ## Physics

Two straight and parallel wires of length 1.0 m carry a current - the first carries a currecnt of 9.0 A while the other wire carries a current of 4.0 A. What distance must separate the two straight and parallel copper wires if the force between them is to

35. ## chemistry

A substance has a heat of fusion of 61.5 kj/mol and a heat of deposition of 167.4 kj/mol. What is 175 heat of sublimation in kj/mol? A) 61.5-167.4 B) 61.5+ 167.4 C) -61.5 D) 167.4 E) 167.4-61.5

36. ## chemistry

The normal boiling point of acetone is 56.2 (degrees)C and the molar heat of vaporization is 32.0 kj/mol. At what temperature will acetone boil under a pressure of 50.0 mmHg?

37. ## Chemistry

Which compound has a value of Ka that is close to 10^-5? A)NaCl B)HN03 C)CH3CH2C02H D)KOH E)NH3

38. ## Probability and Statistics

According to Masterfoods, the company that manufactures M&M’s, 12% of peanut M&M’s are brown, 15% are yellow, 12% are red, 23% are blue, 23% are orange and 15% are green. You randomly select peanut M&M’s from an extra-large bag looking for an orange

39. ## Maths

A spinner numbered 1 to 50 is spun twice. Find the probability that the total from the two spins is: a. 51 b.55

40. ## math

a parking lot charges \$1.50 for the first hour of parking and 55 cents for each additional half hour how much would it cost to park a car from 12:45pm to 6:15 pm

41. ## Algebra

A cab charges \$1.75 for the first mile and \$0.25 for each additional mile. Write and solve an inequality to determine how many miles Eddie can travel if he has \$15 to spend

42. ## Chemistry

What would be the effect of each of the following on the calculated molecular weight of the solute? a) some cyclohexane evaporated while the freezing point of pure cyclohexane was being measured. ( i think it would be higher) b)Some cyclohexane evaporated

43. ## English

Identify the correct sentence. A. Where is the necklace from your sister and the earrings from your cousin? B. Where are the necklace from your sister and the earrings from your cousin? C. Where are the necklace from your sister in addition to the earrings

44. ## ECONOMIC

Describe the market structure of the beverage industry.

45. ## STATISTICS

Program evaluation differs from policy analysis with respect to _____. a. the time dimension within the policy process b. the cost c. the time d. the role of the stakeholder

46. ## Statistics 2

To calculate the mean for grouped data, which of the following steps must be completed? a. multiply the number of subjects within each category by the value of that category b. divide the results of the multiplication c. multiply by the number of subjects

47. ## Algebra

Suzi drove home at 69 mph, but her brother Jim, who left at the same time, could drive at only 41 mph. When Suzi arrived, Jim still had 112 miles to go. How far did Suzi drive?

48. ## Physics

A box weighing 215 N is placed on an inclined plane that makes a 55 degree angle with the horizontal. Compute the component of the gravitional force acting down the inclined plane.

49. ## Maths

Hi, I need to calculate the size of one of the interior angles of a regular heptagon (i.e. a regular 7-sided polygon). Any help appreciated

50. ## College Chemistry (Hard)

The easiest fusion reaction to initiate is 1-1H + 1-1H------> 4-2He + 1-0 n The 1-1 indicates a small one above the other on the left side of the symbol of the element.So for 1-0n is a one above a zero on the left side of n (neutron). The number on the top

51. ## maths

what is 907.457 rounded to the nearest tens place? How to get the answer.

52. ## Maths

A box contains different coloured counters, with P(purple)= 10%, P(yellow)= 2/3 and P(orange) 1/7. a. Is it possible to obtain a colour other than purple, yellow or orange? b. What is the minimum number of counters in the box c. If the box cannot fit more

53. ## science

on the windward side of the mountain, should the relative humidity of the parcel change as it rises from 3000 feet to 6000 feet? Why?

54. ## physics

A circular coil with a radius of 25 cm has 20 turns. The coil is oriented perpendicularly to a magnetic field whose initial magnitude is 3.2 T. Suddenly, the magnetic field vanishes in 0.4 s. a. What is the initial magnetic flux in the coil? b. What is the

55. ## physics

Rank the beat frequency from highest to lowest for the following pairs of sounds:a. 876 Hz, 871 Hz b. 786 Hz, 784 Hz c. 721 Hz, 728 Hz d. 542 Hz, 541 Hz

56. ## ALGEBRA II

The sum of a number and 20 times its reciprocal is 9. Find the number(s). Please show working

57. ## physics

The nearpoint of an eye is 123 cm. A corrective lens is to be used to allow this eye to clearly focus on objects 25 cm in front of it. What should be the focal point of this lens?

58. ## AP Calculus

A rectangle is inscribed between the parabolas y=4x^2 and y=30-x^2. what is the maximum area of such a rectangle? a)20root2 b)40 c)30root2 d)50 e)40root2

59. ## Science

The biome with the fewest seasonal changes is the A. temperate deciduous forest. B. grassland. C. tropical rain forest. D. coniferous (boreal) forest.

60. ## PHYSICS

A ball of mass 0.150kg is dropped from a height of 1.25m. It rebounds from the floor to reach a height of 0.960m. What impulse was given to the ball by the floor?

61. ## AP Calculus

2) Given the table below for selected values of f(x), use 6 trapezoids to estimate the value of (10)∫(1) f(x)dx x 1 3 4 6 7 9 10 f(x) 4 8 6 10 10 12 16

62. ## Statistics

The following is a histogram (right skewed) of the first ten terms of a geometric distribution with p = .4. The mean of this distribution is 2.5 and the standard deviation is approximately 1.93. What's the shape of the distribution of sample means for

63. ## Math

Alice, Bob, and Charlie are three siblings with ages a, b, and c respectively. Their combine age is 18 years. Charlie is older than Bob. Alice's age is equal to twice the difference between Bob's and Charlie's ages. Bob's age is equal the average of

64. ## STATS

Policy analysis searches for _____. a. infeasible courses of action b. the generation of information and collection of evidence of the benefits c. the consequences that would follow the implementation of various courses of action d. fluidity and does not

65. ## Math

4. Landon is standing in a hole that is 6.5 ft deep. He throws a rock, and it goes up into the air, out of the hole, and then lands on the ground above. The path of the rock can be modeled by the equation y = 0.005x² + 0.45x – 6.5, where x is the

66. ## CHEMISTRY

Help Please!!!! H2SO4(aq) = 2H+(aq) + SO42-(aq) What is the hydrogen ion concentration, in mol dm−3, when 1.50 g of sulfuric acid is dissolved in water to give 0.500 dm3 of solution

67. ## physics

What beat frequencies are possible with tuning forks of frequencies 258, 263, and 267 Hz?

68. ## managerial economics

Increasingly, employees are being allowed to choose benefit packages from a menu of items. For instance, workers may be given a package of benefits that includes basic and optional items. Basics might include modest medical coverage, life insurance equal

69. ## College Chemistry

a solution contains .25M Ni(NO3)2 and .25 M Cu(NO3)2. Can the metal ions be separated by slowly adding Na2CO3?Assume that for successful separation 99% of the metal ion must be precipitated before the other metal ion begins to precipitate, and assume no

70. ## physics

in a daring rescue by helicopter, two men with a combined mass of 172 kg are lifted to safety. a)If the helicopter lifts the menstraight up with constant acceleration, is the tension in the rescue cablegreater than, less than, or equalto the combined

71. ## Composite Materials

Can someone please help with this problem? A burnout test was performed to determine the volume fractions of constituents in a glass/epoxy composite. The following observations were made: Weight of empty crucible = 47.6504 g Weight of the crucible and

72. ## Chemistry

List the following in order of increasing pH of their 0.25 M solutions: NH4Cl, MgCl2, HCl, NaOCl, C6H5NH3Cl and NaClO2.

73. ## Probability and Statistics

A high school baseball player has a 0.193 batting average. In one game, he gets 7 at bats. What is the probability he will get at least 2 hits in the game?

74. ## Statistics

Imagine you're a researcher and you need to perform a one-sided test of an alternative hypothesis. You decide to conduct a significance test at the .05 level. Which of the following ranges of z-scores would make the test statistic significant at .05

75. ## Algebra

Find two points on the graph of the parabola other than the vertex and x-intercepts. k ( x ) = ( x − 1 )^(2) − 6

76. ## Chemistry

How many seconds does it take to deposit 81.5 g of Zn on a steel gate when 21.0 A is passed through a ZnSO4 solution?

77. ## algebra

A furniture maker uses the specification 19.88

78. ## chem help

How many moles of N are there in 2.6 moles of NaNO3?

79. ## science

The half-life of uranium-235 is 713 million years. Suppose a fossil originally had 26 grams of uranium-235. A geologist had the fossil tested and found that it now has only 3.25 grams of uranium-235. Approximately how old is the fossil?

80. ## Math

Solve for the length of the unknown side in the following right triangle. (Side AC is the hypotenuse.) Round your answer to two places, where applicable. Side AB ? Side BC=12 Side AC=19

81. ## physics

The heat of vaporization of ethyl alcohol is about 200 cal/g.If 2.4 kg of this fluid were allowed to vaporize in a refrigerator, find what mass of ice would be formed from 0 degree C water.

Light waves with two different wavelengths, 632 nm and 474 nm, pass simultaneously through a single slit whose width is 7.63 x 10-5 m and strike a screen 1.30 m from the slit. Two diffraction patterns are formed on the screen. What is the distance (in cm)

83. ## physics

The value of g at Earth’s surface is about 9.8 m/s^2. If Earth were of uniform density (same mass/volume throughout), what would the value of g be inside Earth at half its radius?

84. ## physics

A small light source located 1 m in front of a 1 m^2 opening illuminates a wall behind. If the wall is 1 m behind the opening (2 m from the light source), the illuminated area covers 4 m^2. How many square meters will be illuminated if the wall is 3 m from

85. ## physics

What change in kinetic energy does an airplane experience on takeoff if it is moved a distance of 600 m by a sustained net force of 5400 N?

86. ## Physics

A rigid tank having a volume of 0.100 m3 contains helium gas at 150 atm. How many balloons can be inflated by opening the valve at the top of the tank? Each filled balloon is a sphere 0.300 m in diameter at an absolute pressure of 1.30 atm.

87. ## Math

A ladder is placed against a wall, with its base 2 m from the wall. The ladder touches the top of a 2 m fence that is 1.5 m from the wall. How high up the wall does the ladder reach? Thanks for answering! Your help is greatly appreciated.

88. ## health

The main purpose of a peer review committee is to A. collect and prepare information to be submitted to the NPDB. B. establish procedures for confidentiality of incident reports. C. identify activities that suggest guidelines aren't being followed. D.

89. ## Physics

In what direction does the force of mass point? I say - Always away towards the center of the circular path In what direction does the velocity of mass point? I say - Always away from the center of the circular path In what direction does the acceleration

90. ## probability

The life of a certain type of device has an advertised failure of rate .01 per hour. The failure rate is constant and the exponential distribution applies. (a)What is the mean time to failure? (b)What is the probability that 150 hours will pass before a

91. ## chemistry

Arrange the following compounds in order of increasing viscosity: Propanol, CH3CH2CH2OH; Propanediol, CH3CH(OH)CH2OH; Propanetriol , HOCH@CH(OH)CH2OH

92. ## Chemistry

Which product is formed by beta emission from phosphorus -32? The atomic number of phosphorus is 15. A)28 Al 13 B)30 Al 13 C)32 S 16 D)32 P 15 E)33 P 15

93. ## Physics

A passenger on a bus moving with uniform velocity lurches forward when the bus stops suddenly. Explain? I do not understand this

94. ## Physics

Why are the steam and ice points of water better fixed points for a thermometer than the temperature of a human body?

95. ## isosceles triangle

An isosceles triangle is a triangle that has two equal sides. Find AB, BC and AC. Determine if the triangle is isoseles or not based on the lengths of the three sides. can someone show me how to solve?please The triangle is isosceles if AB = BC, or BC =

96. ## Geometry

Is it possible for AB = 10, BC = 2x + 5 and AC = 5x, given that point B is the midpoint? If you are talking about lengths of a line segment ABC, with B the midpoint, then AB + BC = AC 15 + 2x = 5x 3x = 15 x = 3. But also we must have AB = BC for B to be a

97. ## Math

Convert the equation to polar form. 8x=8y So far, I got this: 8*rcosθ = 8*rsinθ But it's wrong.

98. ## english

Describe the narrow escape of the men aboard the Nautilus.