# Laurie expects to make \$100,000 in 2007. Her social security tax rate is 6.20% up to the wage base, Medicare is 1.45%. How much FICA is Laurie expected to pay for the year

75,574 questions, page 336
1. ## chemistry

(ppm and ppb are sooo not easy for me to get)c A saturated solution of PbCO3 contains 0.00011 g PbCO3 in 100. g of water. What is this concentration in parts per million?

asked by john on April 26, 2012
2. ## Chemistry

I really don't get pH curves. I have to sketch a pH curve for the titration of 40.00 mL of 0.100 M hydrazine, H2NNH2(aq) having a Kb of 3.0x10^-6 by 0.100M HCIO4(aq). I know you can't sketch on here. But can you help me find the first point? I know its a

asked by Anonymous on October 24, 2011
3. ## math

A marine biologist tags 100 whales. Later, a sample of 115 whales was gathered and 5 were tagged. Estimate the total whale population.

asked by Anonymous on May 14, 2012
4. ## physics

a curve along the highway is to be banked for traffic expected to move at 80km/hr. find the angle of banking if the radius of the curve is 100 meters

asked by denver on November 23, 2016
5. ## science

a bike weighs 200 n. if it starts from rest and travels 100 m in 5 s undergoing constant acceleration, what net force is causing the acceleration

asked by David on February 26, 2016
6. ## Chemistry

A 16.0 g sample of a compound known to contain 3 ion species is dissolved in 100. g of water. The boiling point of the solution is 103.1°C. What is the molar mass of the compound?

7. ## Chemistry 12

I really don't get pH curves. I have to sketch a pH curve for the titration of 40.00 mL of 0.100 M hydrazine, H2NNH2(aq) having a Kb of 3.0x10^-6 by 0.100M HCIO4(aq). I know you can't sketch on here. But can you help me find the first point? I know its a

asked by Anonymous on October 24, 2011
8. ## trig

A 100 kg box slides with constant velocity down a ramp inclined at 20 degrees, with the horizontal. Find the frictional force acting on the box.

asked by Tsuki on April 17, 2012
9. ## Physics

A race car constantly accelerates from 0 to 100 m/s,south in 12.5 s. A)What is the car's acceleration vector? B) How far does it travel in that time interval? C) What is its average velocity?

asked by Joe on October 7, 2008
10. ## Probability

The number from 1-100 are written on pieces of paper and put into a box.a number is chosen at random,write down the probability of choosing a factor 24.

asked by Mothapo phuti dineo on October 29, 2015
11. ## Economics

Two identical firms compete as a Cournot duopoly. The demand they face is P = 100 - 2Q. The cost function for each firm is C(Q) = 4Q. The equilibrium output of each firm is: A. 8 B. 16 C. 32 D. 36

asked by Chris on March 20, 2012
12. ## physics

a labourer lifts 100 stone to a height of 6m in two minute.if mass of each stone be one kilogram, calculate the average power ( gravity = 10ms-² )

asked by VAIBHAV on October 4, 2016
13. ## chem

Calculate the pH at the equivalence point in titrating 0.100 M solutions of each of the following with 0.080 M NaOH. chlorous acid (HClO2) benzoic acid (C6H5COOH)

asked by hannah on March 23, 2013

A 82% confidence interval for a sampling distribution with a mean of 100, a sample standard deviation of 24 and a sample size of 36 will be based on a á= ______ and a corresponding Zá of ____ .18 and .47 .18 and .915. .09 and .23 .09 and 1.34

asked by CS on July 11, 2011
15. ## Physics

a 10 foot long teeter-totter pivots in the middle. a 50 lb boy sits on one end. Where must a 100 lb boy sit to balance the beam?

asked by Clay on October 24, 2011
16. ## Chemistry!!

Determine the pH of 0.100 M aqueous HCN to two decimal places, and determine the concentration of CN- at equlibrium to two singificant figures. Can you show me all the steps to this question? Please and thank you!

asked by Jenni on December 15, 2010
17. ## calc

a closed box has a base twice as long as it is wide.if its volume is 100 in cubed,express its surface area as a function of the width x of its base.

asked by natasha on August 26, 2011
18. ## physics

when a 100 m runner reached the finish line , the runner stopped suddenly and fell on the ground . explain the situation using the appropriate physics concep

asked by aina on June 4, 2013
19. ## physics

four uniform spheres, with masses MA= 100kg, MB= 650 kg, MC= 1800 kg, and MD = 100 kg, have (x,y) coordinates of (0, 50 cm), (O,O), (-80 cm, 0), and (40,0) respectively. What is the net gravitational force F2 on spere B due to the other spheres?

asked by marilyn on March 16, 2008
20. ## chemistry

a 0.25-g sample of a liquid was vaporized at 100 degree celcius. The vapor occupied 125 ml under a pressure of 0.96 atm. What is the molecular weight of the liquid?

asked by Tam on February 22, 2012
21. ## chemistry

a 0.25-g sample of a liquid was vaporized at 100 degree celcius. the vapor occupied 125ml under a presure of 0.96 atm. what is the molecular weight of the liquid?

asked by Tam on February 22, 2012
22. ## math

Suzanne wants to put a fence around her square garden. If the garden covers an area of 100 ft2, how many feet of fencing does she need? (1 point) 20 ft 40 ft 10 ft 400 ft

asked by zuha on April 2, 2014
23. ## Algebra 1

you own \$21.24 for some items you purchased. you give the cashier a \$100 bill. you receive three \$20 bills a\$5 bill and four \$1 along with three quarters and a penny. whats wrong with that situation

asked by Lili on August 17, 2017
24. ## statistics

Suppose the average body temp is 98.6 assume the variable is normally distributed with a standard deviation of .74 degrees. suppose a sample of 100 is taken. what is the probability that the mean is below 98.4??? Between 98.5 AND 98.7??

asked by roger on March 21, 2014
25. ## Math

1)express 2Igsquarerootx-Ig4/3x^2+log(4x^3)/log(100) in the form aIgx+Igb, where a and b are constants. 2)If InK=Ina-Inb+Inc-t/bc, show that K=ac/b(e)^-t/bc

asked by Trinity on April 2, 2016
26. ## chemistry again

calculate the normality of a solution prpared by dissolving 220.0 mg of K2Cr2O7 in 100 ml solution that will be used to oxidize ferrous chloride according to the unbalanced reaction.

asked by Anonymous on December 4, 2010
27. ## ap chemistry

The volume of 0.100 mol of helium gas at 34°C is increased isothermally from 1.00 L to 4.50 L. Assuming the gas to be ideal, calculate the entropy change for the process.

asked by sarah on April 12, 2013
28. ## maths

Choose the THREE options that define sequences that do not converge. Options A P0 = 40, Pn+1 − Pn = 2.8 Pn (1− Pn/300) (n = 0,1,2, . . .) B P0 = 100, Pn+1 − Pn = 0.7Pn (1− Pn/480) (n = 0,1,2, . . .) C P0 = 250, Pn+1 − Pn = 2.4Pn (1− Pn/420) (n

asked by albert on May 15, 2011
29. ## college chemistry

If 100.0 mL of 0.0025 M Na2SO4 (aq)is saturated with CaSO4 how many grams of CaSO4 would be present in the solution? [Hint: Does the usual simplifying assumption hold?]

asked by sarah on December 12, 2013
30. ## maths

Choose the THREE options that define sequences that do not converge. Options A P0 = 40, Pn+1 − Pn = 2.8 Pn (1− Pn/300) (n = 0,1,2, . . .) B P0 = 100, Pn+1 − Pn = 0.7Pn (1− Pn/480) (n = 0,1,2, . . .) C P0 = 250, Pn+1 − Pn = 2.4Pn (1− Pn/420) (n

asked by albert on May 14, 2011
31. ## maths

Choose the THREE options that define sequences that do not converge. Options A P0 = 40, Pn+1 − Pn = 2.8 Pn (1− Pn/300) (n = 0,1,2, . . .) B P0 = 100, Pn+1 − Pn = 0.7Pn (1− Pn/480) (n = 0,1,2, . . .) C P0 = 250, Pn+1 − Pn = 2.4Pn (1− Pn/420) (n

asked by albert on May 14, 2011
32. ## Statistics

the scoring of IQ tests is designed so that the scores of the test taking population are normally distributed with a mean of 100 and a standard dev of 15. what percent of the population have an IQ less than 92? how do i figure this out?

asked by Abigail on April 29, 2013
33. ## Physics

An object has a mass of 100 lb is projected from the ground level in the air at an angle of 60 degrees with the horizontal direction with a velocity of 72 km/hr. What is the projection velocity in m/s ?

asked by KeKe on October 17, 2016
34. ## maths

Choose the THREE options that define sequences that do not converge. Options A P0 = 40, Pn+1 − Pn = 2.8 Pn (1− Pn/300) (n = 0,1,2, . . .) B P0 = 100, Pn+1 − Pn = 0.7Pn (1− Pn/480) (n = 0,1,2, . . .) C P0 = 250, Pn+1 − Pn = 2.4Pn (1− Pn/420) (n

asked by albert on May 13, 2011
35. ## maths

Choose the THREE options that define sequences that do not converge. Options A P0 = 40, Pn+1 − Pn = 2.8 Pn (1− Pn/300) (n = 0,1,2, . . .) B P0 = 100, Pn+1 − Pn = 0.7Pn (1− Pn/480) (n = 0,1,2, . . .) C P0 = 250, Pn+1 − Pn = 2.4Pn (1− Pn/420) (n

asked by albert on May 12, 2011
36. ## Physics

How many kilograms of water can be evaporated at 100 degrees Celsius by the combustion of 470 litres of fuel oil whose heat of combustion is 37 MJ/Litre

asked by David on December 8, 2016
37. ## chemistry

A potassium nitrate solution is prepared by dissolving 2.3 g of KNO3 in 25 mL of water. What is the concentration of this solution in units of grams of solute per 100 mL of solvent?

asked by Bertsie on September 23, 2011
38. ## physics

a cannon ball is shot from a 100 m high cliff with an inital velocity of 24m/s and at an angle of 32 degrees. what is the overall final velocity of the cannonball?

asked by Connor on September 21, 2010
39. ## physics

2.) A horizontal force of 100 N is required to push a piece of furnisher across a floor at a constant velocity. (a.) What is the net force acting on the furniture?

asked by Anonymous on August 18, 2010
40. ## Science

How many kilograms of water can be evaporated at 100 degrees Celsius by the combustion of 470 litres of fuel oil whose heat of combustion is 37 MJ/Litre

asked by Rob on June 26, 2017
41. ## Lost in Physics

The strength of an electric field at 5.0 cm from a point charge is 100.0 N/C. What is the magnitude of the source charge? Show work so I understand how to do it. E=kQ/r^2 solve for Q, you have r, E What do I do NOW? I am lost

asked by Pat on May 19, 2012
42. ## maths

Choose the THREE options that define sequences that do not converge. Options A P0 = 40, Pn+1 − Pn = 2.8 Pn (1− Pn/300) (n = 0,1,2, . . .) B P0 = 100, Pn+1 − Pn = 0.7Pn (1− Pn/480) (n = 0,1,2, . . .) C P0 = 250, Pn+1 − Pn = 2.4Pn (1− Pn/420) (n

asked by albert on May 17, 2011
43. ## Chemistry

Consider the titration of 41.5 mL of 0.213 M HCl with 0.123 M KOH. Calculate the pH of the resulting solution after the following volumes of KOH have been added. (Assume that all solutions are at 25°C.) (a) 0.0 mL (b) 10.0 mL (c) 40.0 mL (d) 80.0 mL (e)

asked by Margaret on March 13, 2013
44. ## Social Studies

Name 3 things that the Maya developed.... 1-their own writing system 2-their own counting system (including zero) 3-built 100 stone cities Is #3 correct? I can't find anything else!

asked by I'm horrible on October 11, 2010
45. ## solubility graph

A mass of 30 f of potasium nitrate is dissolved in 100 cm3 of water at 100gC. How many more grams of potassium nitrate must be added to saturate the solution?

asked by tony on November 10, 2008
46. ## Statistics

Given IQ~N(100, 256) find P(IQ > 115). Be certain to set your calculator to FLOAT 4 to match my answer exactly. I need to know how to figure this out on my calculator.... no one has taught me how to use my calc and I am so confused.... someone please help!

asked by David on October 8, 2011
47. ## Physical Science

Hello, Can you tell me if I have the correct answer? Thank You How much heat is required to convert 0.3 kilogram of ice at 0 degrees celsius to water at the same temperature? My answer: 100,375 J

asked by Mandi on February 7, 2008
48. ## maths

Choose the THREE options that define sequences that do not converge. Options A P0 = 40, Pn+1 − Pn = 2.8 Pn (1− Pn/300) (n = 0,1,2, . . .) B P0 = 100, Pn+1 − Pn = 0.7Pn (1− Pn/480) (n = 0,1,2, . . .) C P0 = 250, Pn+1 − Pn = 2.4Pn (1− Pn/420) (n

asked by albert on May 16, 2011
49. ## Engineering

Three resistors , 50 ohms, 100 ohms, and r3 are connected in a series to a power source with potential difference 48 volts and a current throughout the circuit. Can anyone help me figure out what r3 is ?

asked by Ashley on April 29, 2014
50. ## Math

1. Historically,40% of the adopted dogs rescued spend an average of 8 days in a kennel costing \$10 a day. Puppies-100 Dogs-650

asked by Ryan Dee on May 7, 2014
51. ## general

Literary themes understood by all people regardless of their background or the time they live in are a. universal b. shill-based c. motivational d. literature-based I think "d" bt not sure 100%

asked by kan on November 26, 2012
52. ## Chemistry

If you reacted 100.0 g of carbon tetrachloride (CCl4) with excess antimony fluoride (SbF3), how many grams of carbon dichloride difluoride would be produced?

asked by Catherine on December 11, 2015
53. ## Algebra

I had to solve (100-4x)/3=(5x+6)/(4)+6. I converted the fractions into twelfths, but from there I didn't know how to isolate the x's. How can you get them on there on side when they're partr of a fraction? Would you please be able to show me step by step

asked by Jaymie on September 27, 2009
54. ## chemistry

if I add water to 100.0 mL of a 0.15 M NaOH solution until the final volume is 150.0 mL what will the molarity of the diluted solution be? If I set this up properly I believe it is 0.10 M.....am I correct?

asked by carla on April 3, 2011
55. ## chemistry

Calculate the number of GRAMS of carbon dioxide (CO2) produced when 100 grams of methane (CH4) are completely burned in oxygen (O2).

asked by Jeremy on October 29, 2014
56. ## Math

Six sprinters have qualified for the finals in the 100-meter dash at the NCAA national track meet. In how many ways can the sprinters come in first, second, and third? (Let's assume there are no tires).

asked by Jackie on April 23, 2015
57. ## calculus II

a ball is dropped from a height of 100 ft. Each time it hits the floor, it rebounds to 2/3 its previous height. Find the total distance traveled.

asked by SDSU on July 12, 2009
58. ## physics

A 1500-kg car is making a turn with a 100.0-m radius on a road where the coefficient of static friction is 0.70. What is the maximum speed the car can go without skidding?

asked by jane on November 7, 2010
59. ## Engineering Physics

You want to use a spring (k=100 N/m) to send a 500-g mass up a frictionless incline (30 degree to horizontal) to arrive at a platform 3m above the ground. How far should you compress the spring?

asked by John on July 1, 2012
60. ## math

A circular sector of central angle theta and 9 cm radius can be fashioned into a paper cone with volume 100 cm^3. Find all possible values of theta.

asked by caroline on November 3, 2010
61. ## Engineering Physics

You want to use a spring (k=100 N/m) to send a 500-g mass up a frictionless incline (30 degree to horizontal) to arrive at a platform 3m above the ground. How far should you compress the spring?

asked by John on July 1, 2012
62. ## Physics

A 100-Watt light bulb plugged into a 120-Volt outlet is left on for 60 seconds. How much energy (in Joules) is used up by the bulb during this time?

asked by Joe on January 30, 2011
63. ## economics

Suppose that you buy a bond for \$100 that pays 4 percent interest per year. How much money will you have earned when the bond reaches maturity in five years?

asked by anonymous on December 10, 2007
64. ## Thermodynamics

in a certain process, 500 cal of heat are supplied to a system, and at the same time 100 joules of work are done. what is the increase in the internal energy of the system

asked by Kingchaww on October 16, 2017
65. ## Physics

In a 100 m linear accelerator, an electron is accelerated to 1.40% of the speed of light in 46.0 m before it coasts for 54.0 m to a target. What's the electron's acceleration during the first 46.0 m? b) How long does the total flight take?

asked by Jay on January 24, 2015
66. ## maths

which of the following statements is incorrect? 1 microlitre=10^-6 litres 1 megagram=10^6 grams 1 millimetre=10^3 metres 1 kilogram=10^3 grams 100 centimetres=1 metre thanks andy

asked by Andy on May 11, 2010
67. ## Physics

- a 1200 W motor bike can move at a maximum speed of 30.0 m/s . how much force does the motor exert? - what would be the average momentum of 60.0 kg sprinter who finishes 100.0 m in 60 s?

asked by eleim on October 11, 2014
68. ## statistics

2)A political candidate is positive that she will get 60% of the vote in an upcoming election. A sample of 100 people is taken, and 52 say that they will they will vote for her. Using a 5% significance level, is the politician right in her claim?

asked by Mike on November 22, 2011
69. ## physics

By what factor will the rms speed of gas molecules increase if the temperature is increased from 0 degrees C to 100 degrees C? Cant figure out correct answer I've tried everything, please help!!!

asked by Anonymous on May 2, 2010
70. ## Finance

The Landis Corporation had 2008 sales of \$100 million. The balance sheet items that vary directly with sales and the profit margin are as follows:

asked by Vicki on October 30, 2009
71. ## Statistics

A normally distributed population has a mean of 40 and a standard deviation of 12. What does the central limit theorem say about the sampling distribution of the mean if samples of size 100 are drawn from this population.

asked by Christie on July 17, 2012
72. ## L.A.

In “Adventures of Isabel,” how is the doctor different from Isabel’s other enemies—the bear, the witch, and the giant? (1 point) He is nice to her. He frightens her. He gets killed. He may be real. I think its either the first one or the last one

asked by Hailey on January 27, 2015
73. ## Magnetism

I need to calculate the magnetic field strength at 30 cm distance of a coil with a diameter of 17 cm. Directly at the coil surface I measure 100 Gauss. Please advise.

asked by Ben on February 10, 2011
74. ## English one question

In “Adventures of Isabel,” how is the doctor different from Isabel’s other enemies—the bear, the witch, and the giant? (1 point) He is nice to her. He frightens her. He gets killed. He may be real. I think its either the first one or the last one

asked by Hailey on January 26, 2015
75. ## statistics/normal distribution

Find the area of the shaded region.The graph to the right depicts IQ scores of Adults (85-120), and those scores are normally distributed with a mean of 100 and a standard deviation of 15

asked by slomomo on March 4, 2015
76. ## Chemistry

If 22.15 milliliters of 0.100 molarity sulfuric acid is required to neutralize 10.0 milliliters of lithium hydroxide solution, what is the molar concentration of the base?

asked by Kaela on November 28, 2012
77. ## math

100 raffle tickets are sold for 3 dollars each. One prize of 200 is to be rewarded. Raul purchased 1 ticket. what is his expected value and what his his fair prize

asked by Carol on February 12, 2013
78. ## Math

The square root of h is greater than 10/3 and less than 24/5. How many integer values of h satisfy this condition? I think the first step would be to square each fraction so 100/9 and 576/25 and then see which whole numbers are between. Am I on the right

asked by Mark on December 3, 2014
79. ## Trig

In still air, an airplane is flying at 100 mph. It encounters a wind blowing toward the west at 50 mph. What should be the plane's compass heading for its course to be N30ºW?

asked by Annie on December 7, 2015
80. ## Physics

A wheel has a radius of 100 cm. How far (path length) in meters does a point on the circumference travel if the wheel is rotated through angles of (a) 30°, (b) 60 rad, (c) 60 rev, respectively?

asked by jack on February 10, 2017
81. ## Chemistry

Calculate the pH of a solution prepared by diluting 0.0015L of a 0.100 mol/L nitric acid solution with 0.5L of water. *C1×V1=C2×V2 C2=0.3MOL/L Do we use this concentration to find the pH

asked by Fayza on January 11, 2015
82. ## math

Devon's bike has wheels that are 27 inches in diameter. After the front wheel picks up a tack, he rolls another 100 ft and stops. How far above the ground is the tack?

asked by Lynn on October 25, 2010
83. ## finance

the company offered you a 5000 bonus, which you may receive today or 100 shares of the companys stock which has a current stock price of 50 per share

asked by e on December 20, 2016
84. ## math

michelle runs 400 meters in 1 minute. if she completes in the 100-meter race , about how many seconds will it take her to run the race?(explain how you got your answer)

asked by rm on January 30, 2011
85. ## physics

If I put the tip of a 100 foot pipe in the ocean and applied a perfect vacuum to the top, how high would the water rise in the pipe?

asked by Anonymous on May 20, 2014
86. ## Chemistry

What is the molal concentration m of NaCl,a strong electrolyte in water, if the observed boiling temperature of the solution is 100.361⁰C? (Kb = 0.515⁰C/m for water.)

asked by Sam on May 5, 2011
87. ## Economics

Suppose the RRR is .5. A \$500 cash deposit in a bank would increase the money supply by \$__________. A) 100 B) 500 C) 1000 D) 5000

asked by Nessie on September 10, 2012
88. ## college

Find a way to convert Celsius to Fahrenheit on this temperture scale. water freezes at 32F 0Celsius. Boils at 212F and 100 Celsius

asked by april on November 15, 2009
89. ## Math

A store is having a 20%-off sale. It gives an additional 10% off if the item is still above \$100 after the first discount. A jacket costs \$149.99. Will you get the second discount and if so, how many dollars will you save in total? The answers are: Yes;

asked by ManGuyDude on January 17, 2019
90. ## Chemistry

The amount of CaCO3 that is equivalent to all polyvalent metal ions in one liter of water. what is molarity of 100 ppm Mn^2+? What is the ppm of I^-1 in 0.000100 M of BaI2 ? Thank you!

asked by Bear on April 16, 2015
91. ## physics

A person whose mass is m = 100.0 kg steps on a mechanical bathroom scale placed on an inclined plane that makes the angle α = 32.7° with the horizontal. What is the reading on the scale?

asked by Anonymous on July 9, 2014
92. ## math

what was the percentage increase in the age 75+ population of europe from 1970 (22,762) to 1995 (38,139) PercentIncreas= (38139-22762)/22762 *100

asked by Dee on May 26, 2007
93. ## Chemistry

How many grams of solid zinc metal will completely react with 100.0 mL of 0.0525 M HCl, if zinc chloride and hydrogen gas are the only products?

asked by Anonymous on April 13, 2015
94. ## chemistry

Calculate the mass of salt needed to prepare 100 cm3 of 0.05 M solution of: (i) Fe(NH4)2(SO4)2.6H2O (ii) FeNH4(SO4)2.12H2O

asked by sheetal on September 12, 2018
95. ## Chemistry

What volume of 0.200 M K2C2O4 is required to completely react with 30.0 mL of 0.100 M Fe(NO3)3? 2Fe(NO3)3 + 3K2C2O4 --> Fe2(C2O4)3 + 6KNO3

asked by Anonymous on May 7, 2017
96. ## physics

If a 100 kg adult sits on a first class lever 2 meters away from the axis of rotation...how far back do I need to sit (145 lbs) to balance the lever?

asked by Anonymous on October 26, 2012
97. ## math

Describe the distribution of sample means (shape, expected value, and standard error) for samples of n  36 selected from a population with a mean of μ  100 and a standard deviation of   12.

98. ## Electronics

I CANNOT find an answer to this anywhere in the book or online PLEASE HELP. A circuit has 40 V and a parallel resistor with 3 100 ohm resistors in place. How much power is dissipated from the circuit?

asked by Cassie on November 15, 2012
99. ## chem

Which of the following solutions has the highest concentration of Cl- ions? 500 mL of 0.10 M NaCl 100 mL of 0.20 M MgCl2 200 mL of 0.10 M FeCl3 400 mL of 0.30 M NH4Cl 200 mL of 0.20 M KCl

asked by Joe on October 1, 2012
100. ## chem21

A potassium nitrate solution is prepared by dissolving 2.8 g of KNO3 in 27 mL of water. What is the concentration of this solution in units of grams of solute per 100 mL of solvent?

asked by Abd on February 15, 2016