# Questions Asked onJuly 5, 2013

1. ## Math

What is the rounded off number,to the nearest gram,of 4.86932 kg

2. ## Chemistry

The Henry's law constant for CO2(g) in water at 25 °C is 29.4 bar·M–1. Estimate the concentration of dissolved CO2(g) in a carbonated soft drink pressurized with 1.95 bar of CO2(g).

3. ## MATH

Carol Byrd gets a student rate of \$30.00 a month for health insurance. There is a \$250 deductible. She recently received treatment for a covered condition. The bill was \$2,300.00. Carol's insurance company provided payment of 80% of the bill less the

asked by Bria S. CAN YOU HELP
4. ## english

1. Choose the answer that displays the correct spelling of the plural form of the words in parentheses. How many (praying mantis) will we have to import to fight the (grasshopper)? 2. Choose the answer that displays the correct spelling of the plural form

5. ## chemistry

the molarity of 2% by weight of aqueous solution of H2S4(molecular weight = 98)

6. ## trigonometry

A mini toy helicopter ascends 50 feet vertically, then flies horizontally 200 feet. Find the angle of elevation to the helicopter now as seen by an observer at the takeoff point. Round to the nearest degree

7. ## Math

A certain car costs \$11,595 before taxes are added. Taxes are \$860 and license tags cost \$95. What is the overall tax rate (to the nearest tenth)? %

asked by Bria S. (Explain Pls)
8. ## math

Ginny Jones receives \$650 gross salary biweekly. Her income tax rate is 15%. Her group health plan contribution is \$24.50 per pay period. She belongs to the company retirement plan, to which she contributes 6.5% of her earnings. She is also covered under

9. ## physics

Two racquetballs, each having a mass of 144 g, are placed in a glass jar as shown in in the figure below. Their centers lie on a straight line that makes a 45° angle with the horizontal.

10. ## earth

The capital letter(s) that label a rock unit (e.g., KJk) on a geologic map represents the rock unit's

11. ## math

Carol Byrd gets a student rate of \$30.00 a month for health insurance. There is a \$250 deductible. She recently received treatment for a covered condition. The bill was \$2,300.00. Carol's insurance company provided payment of 80% of the bill less the

12. ## physics

Two racquetballs, each having a mass of 147 g, are placed in a glass jar as shown in in the figure below. Their centers lie on a straight line that makes a 45° angle with the horizontal.

13. ## math

Find the approximate increase in the area of a circular disc if its diameter is increased from 44cm to 44.4cm

14. ## Thermodynamics

27.300kg of Copper at 35.000 degrees Celsius receives 460.000kJ of heat. Calculate the final temperature of the metal. ANS = degrees Celsius Copper specific heat = 0.39kJ/kg degrees Celsius. Q = mc (t2 - t1) Q = 460.000kJ m = 27.300kg c = 0.39kJ/kg t1 = 35

15. ## BioStats

An observational study is conducted to investigate the association between age and total serum cholesterol. The correlation is estimated at r = 0.35. The study involves n=125 participants and the mean (std dev) age is 44.3 (10.0) years with an age range of

16. ## math

The distribution of heights of adult American men is approximately normal with a mean of 68 inches and a standard deviation of 2 inches. What percent of mean are at least 72 inches tall? Thanks!!

17. ## math

An 80% acid solution is to be mixed with a 30% solution to get 90 gallons of a 50% solution. How many gallons of each solution are needed?

18. ## Calculus

Gravel is being dumped from a conveyor belt at a rate of 10 cubic feet per minute. It forms a pile in the shape of a right circular cone whose base diameter and height are always equal. How fast is the height of the pile increasing when the pile is 16 feet

19. ## math

Can somebody please help me with this. thank you 89___89 the second 89 has a solid line on top of the number. Is this equal or greater than or equal to 89 without the line No one has answered this question yet.

20. ## Chemistry

A tire is rotating 600 times per minute. Through how many degrees does a point on the edge of the tire move in 1 minute? In 1 second?

21. ## math

Two cars leave at the same time from towns that are 460 miles apart and travel toward each other. They meet after 4 hours. Find the rate of each car if one car travels 13 miles per hour faster than the other.

22. ## math

a ship leaves a port at 6 am traveling due east at 12mph. another ship leaves a port 11 am traveling due north at 15 mph. how far apart are they at 11pm to the nearest tenth mile?

23. ## helllllppp math

In a tetrahedron ABCD, the lengths of AB, AC, and BD are 6, 10, and 14 respectively. The distance between the midpoints M of AB and N of CD is 4. The line AB is perpendicular to AC, BD, and MN. The volume of ABCD can be written as a√b, where a and b are

24. ## phy

(Q1)At what altitude above the earth's surface would the acceleration due to gravity be 4.9m/s-2?Assuming the mean radius of the earth is 64000000meters and the acceleration due to gravity 9.8m/s-2 on the surface of the earth

25. ## Math

Four different brands of 18 ounce peanut butter were randomly selected from a grocer's shelves; their contents were weighed. Use these results to determine which company fills its jars more consistently? Answer Bama: 18.11, 17.98, 18.03, 17.99, 17.95

26. ## math

Carol Byrd gets a student rate of \$30.00 a month for health insurance. There is a \$250 deductible. She recently received treatment for a covered condition. The bill was \$2,300.00. Carol's insurance company provided payment of 80% of the bill less the

27. ## Statistics

A district mathematics test for all third graders had a normal distribution with a mean of 74 and a standard deviation of 11. What percentage of the third graders tested scored with +1 and -1 standard deviation of the mean?

28. ## College Algebra

A pharmaceutical salesperson receives a monthly salary of \$2480 plus a commission of 7% of sales. Write a linear equation for the salesperson's monthly wage W in terms of sales S. W(S) =

29. ## geology

Wood fragments from the floor of a palace in Syria - Syro-Hittite period. Date: 675 ± 50 years BCE

30. ## English

Mark Twain used the characters his novel "Adventures of Huckleberry Finn" to show his contempt for the romantic style of literature. List three examples from the text that support the label for each character. Huck Finn- Realism Tom Sawyer- Romanticism

31. ## statistics

If I know that a set of test scores has a mean of 75 and a standard deviation of 8 what can I conclude?

32. ## algebra

a single ball is drawn from an urn containing 4 balls numbered 1 through 4. find the probability that the ball chosen is as follows: an even numbered ball or an odd numbered ball

using the exact interest method 365 days, find the amount of interest on the following loans, principal is \$1,700, the rate is 121/2 percent, time days is 33. what is the exact interest

34. ## Business Communications - English 101

Is first paragraph punctuation correct? (no missing commas, etc) 2nd paragraph - would it be a period or a semicolon? Thanks!!! It will be our pleasure to welcome you and your staff to Tampa, Florida, on January 8. All of the tour arrangements you have

35. ## English

1.The psychology of children coping with sexual abuse 2.Adolescents who commit suicide 3.Self-inflicted pain as a response to grief/abuse Throughout the years, many young women have always struggled for freedom to deal with the problems they have. Such

36. ## math

A district mathematics test for all third graders had a normal distribution with a mean of 74 and a standard deviation of 11. What percentage of the third graders tested scored with +1 and -1 standard deviation of the mean?

37. ## algebra 2

Consider the exam data below. Algebra score: 20 35 13 29 40 23 Calculus score: 41 69 34 72 86 58 Use your calculator to find the regression line for this data, and graph it on your scatterplot. b. Interpret the slope and intercepts of this line in the

38. ## Spain

After the Visigoths, what group invaded the Iberian Peninsula? How long did their reign last?

39. ## English

In Adventures of Huckleberry Finn, Jim and Huck both decide that their relationships with their friends and loved ones are more important than their freedom, lives, and in Huck's case, his soul. Do you think modern heroes can make the same kinds of

40. ## heeeeeeeelp math

In triangle ABC, ∠A=20∘ and ∠B=80∘. Let D be a point on line segment AB such that AD=BC. What is the measure (in degrees) of ∠ADC?

41. ## Trig

A tire is rotating 600 times per minute. Through how many degrees does a point on the edge of the tire move in 1 minute?

42. ## physics

A capacitor has stored energy U. If the voltage and plate separation are both doubled, the new stored energy is ____.

43. ## maths

(Q1)a+3b+2c=3,2a-b-3c=-8,5a+2b+c=9.solve for a,b&c by matrix method. (a)2,9,3(b)4,(-3),1(c)7,5,5(d)3,(-4),7 (Q2)a+2b+3c=5,3a-b+2c=8,4a-6b-4c=2.find a,b&c by Guassian method.(a)1,4,9(b)4,(-5),5(c)5,(-3),9(d)(-1),5,10

44. ## Algebra 2

The probability that it will rain on each of the next 5 days is 50%. What is the probability that it will rain for 3 of the next 5 days?

45. ## Algebra 2

A gas station is giving away free glasses with 5 different designs. What is the probability of collecting all 5 in 15 visits to the gas station?

46. ## english

Choose the answer that displays the correct spelling of the plural form of the words in parentheses. Ancient (Roman) used (goose) as (guard) to warn of (enemy) approaching the camp.

47. ## Math

The Treasury Department auctioned \$30 billion in three-month (13-week) bills in denominations of ten thousand dollars at a discount rate of 9.227%

48. ## heeeeeelp computer

A Harshad Number in a given number base is an integer that is divisible by the sum of its digits when written in that base. For example, the number 11 in base 5 (which is 6 in base 10) is divisible by 1 + 1 = 2 in base 5. It is therefore a Harshad number

49. ## math

When I went kite flying the other day, I let out an entire roll of string (400 feet). If when the string pulled tight formed a 40 degree angle with the ground, about how high was the kite?

what is the maturity value of the following loans using MV=P(1+RT to find the maturity values,\$120,740 principal, 11 3/4 rate, 7months for time

51. ## algebra

Two commons sources of nicotine are cigarettes and cigars. Find the probability that a randomly selected adult does not smoke cigarettes.

52. ## physics

A football, if it was kicked when initially at rest, is inflated such that it will move in the direction of the kick with h=0.8 of the kicking foot's velocity We now consider the same ball being kicked while it's moving towards the football player's foot.

Solve 7⋅x = x2 - 6 by using the Quadratic Formula. Round to the nearest tenth.

54. ## Science

Explain the bonding in sodium metal. You may wish to include a diagram. The atomic number for Sodium is 11

55. ## math

Wendy invested \$6500.00 into two bank accounts, one paying 4% simple interest and the other paying 6%. If her annual interest from the two accounts is \$344, how much did she invest at 6%?

56. ## math

Determine an expression for f(x) in which: f(x) is cubic, f(x) ¡Ý 0 when x ¡Ü 2, f(x) < 0 when x > 2, and f(0) = 4

57. ## math

The following set of points belong to a specific function: {(-3,0)(-2,4), (-1,0), (0,-6),(1,-8), (2,0),(3,24)} Based on the set of points answer the following questions: a) What type of function does it produce? Justify your answer. b) Write an equation

58. ## Chemistry

The pH of a 0.10 M solution of a certain acid is 3.25 at 25°C. What is the pH of a 0.010 M solution of the same acid at the same temperature?

59. ## Chemistry

The pH of a 0.10 M solution of a certain acid is 3.25 at 25°C. What is the pH of a 0.010 M solution of the same acid at the same temperature?

60. ## ststistics

what is the main different of ststistics and maths

61. ## heeeeeeeelp math

Find the smallest n such that for some prime p, at least 20 of the numbers 1,2,...,n are quadratic non-residues modulo p.

62. ## heeeeeeeeeeelp math

A strip of 41 squares is numbered 0,1,2,…,40 from left to right and a token is placed on the square marked 0. Pinar rolls a pair of standard six-sided dice and moves the token right a number of squares equal to the total of the dice roll. If Pinar rolls

63. ## Physics

A 4000N block is moved up a slope that is 20 degrees to the horizontal. If the coefficient of friction is 0.3, find the force parallel to the slope to: a) move the load up the slope b) prevent the load from sliding back

64. ## phy

(Q1)What is the orbital radius and speed of a synchronous satellite which orbits the earth once every 24h? Take G=0.0000000000667Nm2/kg2. Mass of the earth is 598000000kg (a)4200000m and 31000m/s (b)5600000m and 4300m/s (c)430000m and 5000m/s(d)3400000m

65. ## government

Hello, I am to write a paper that critically analyzes a current,domestic or foreign political issue of importance to the United States. I want to write about the war in Iraq. If that is not correct do someone have any suggestions on a topic.

66. ## Spain

What cultural aspects of the Moors can be found in Córdoba and other Southern cities in Spain?

67. ## Health care

1. Wrongful death statutes create a right to collect damages for A. loss to the patient's estate of future earnings. B. loss to familial quality of life. C. punitive damages D. pain and suffering of the patient. My answer A 2. Elizabeth says duty of care

68. ## math

Two metal alloys, containing 26% copper and 54% copper are to be mixed together to get 210 oz that is 30% copper. How much of each should be used?

69. ## Trig

Suppose a CD player makes 48 revolutions per minute. Through how many degrees will a point on the edge of a CD move in 1 minute? In 2 sec?

Solve for x, x ϵ R a) (x + 1)(x – 2)(x – 4)2 > 0

71. ## Algebra 2...

Palmer and teller go to the local ice cream parlor after work that offers 40 flavors of ice cream. Palmer wants a cone with chocolate mousse on top, cherry truffle in the middle, and double Dutch chocolate on the bottom. Teller wants a dish with

72. ## algebra

perform the subtraction (8a+2b)/(8a^(2)+2ab-3b^(2))-(a+2b)/(16a^(2)-ab^(2))

73. ## bacteria

at 52 degrees F, how fast does bacteria grow? At 37 degrees F, how fast does bacteria grow?

It is recommended that a person ________ to manage and reduce stress. A. Talk to family and friends B. Eat more frequently C. Beat oneself up D. None of the above I think its a?

75. ## Calculus

Find a general solution to each first – degree ODE. If an initial condition is given, find the corresponding particular solution. Write all solutions explicitly if possible. dr/dè = r^(2)/è

76. ## Chemistry

The pH of a 0.10 M solution of a certain acid is 3.25 at 25°C. What is the pH of a 0.010 M solution of the same acid at the same temperature?

77. ## Newtons square meters

What's the pressure exerted by a 150 newton person standing on an area converted by the persons shoes of 0.20 square meters? Help please

78. ## Psychology

Why is determining abnormal behavior or a mental disorder so difficult? In 2 paragraphs please . :)) Thank you :)

79. ## math

John has a box that contains one red ball and one blue ball. Every minute he reaches into the box and randomly takes out a ball from it (without looking). No matter which ball he took out, he puts it back together with another ball of the same color. Thus,

80. ## Physics (help steve)

A thin aluminum ring hangs vertically from a torsion spring. A torsion spring when twisted exerts a restoring torque given by τ=−κθ where θ is the angle of twist. Suppose that the ring undergoes small torsional oscillations while it is being cooled

81. ## Chemistry

Suppose a CAV player makes 48 revolutions per minute. Through how many degrees will a point on the edge of a CD move in 1 minute? In 2 sec?

82. ## psy/315

What is the comparison distribution and why is it important in hypothesis testing?

83. ## math

Would a repetitive number be greater than the same number that is not repetitive?

Solve for x, x ϵ R ¨Cx3 + 25x ¡Ü 0

85. ## math

factor (m/4 + n/3)(3m/4 - 2n/3) Is this the answer? if not, what did I do wrong? 3m^2/16 + mn/12 - 2n^2/9

86. ## math

No idea. Please help. Is 20 times 5/6 g reater than or less than 20? How do you do it? Second question What is 4/5 of 2/3?It shows a square and says find answer on the model. Any help, please

87. ## Algebra 2...

I have a pack of cards. I draw one card,then a second card without putting the first card back in the pack. What is the probability that I draw two aces?

88. ## Algebra 2

Palmer and teller go to the local ice cream parlor after work that offers 40 flavors of ice cream. Palmer wants a cone with chocolate mousse on top, cherry truffle in the middle, and double Dutch chocolate on the bottom. Teller wants a dish with

Is "pharmacy" a business or a profession?

90. ## chemistry

caculate 230 ml of 1.1 molarity HCl solution

find the value of x and y that make each equation true -4+(y)^i=-12x-i+8 please show the steps thanks

what is the maturity value of the following loans using MV=P(1+RT to find the maturity values,\$120,740 principal, 11 3/4 rate, 7months for time

93. ## algebra 2

You are selling tickets for the homecoming football game. Student tickets cost \$4 and general admission tickets cost \$6. You sell 450 tickets and collect \$2340. How many of each type of ticket did you sell? A. Not enough information B. 180 students;270

94. ## Social Studies

Who were the Visigoths and what was their most important contribution to Spanish culture

95. ## stats

tire co. has produced 614 tires a day. (standard dev. of 36). they changed process to see if it increases amount of tires made. The sample mean is 620. alpha is .05 and n=16

96. ## foreign language

How do you use the appropriate forms of the adjectives simpatico, dificil, aleman, and guapo?

97. ## math

Complex numbers α and β satisfy αα¯=ββ¯=−17,α+β=7i. What is the value of αβ? α¯=conjugate of α β¯=conjugate of β