# Questions Asked onSeptember 8, 2013

1. ## PHYSICS

express dissipated power in terms of voltage and resistance. express dissipated power in terms of current and resistance

2. ## math

a weather forecaster predicts that the temperature will drop 3 degrees each hour for the next 9 hours. If the temperature is 7 degrees farenheit before the temperature starts falling, what is the temperature after the drop?

3. ## statistics

the life spans of three randomly selected tires are 31,400 miles, 40,600 miles and 36,000 miles. Using the empirical rule, find the percentile that corresponds to each life span.

6k-4k=6

5. ## math check answer plz

you earn $7.50 per hr to help ur uncle in his shop. you earn$33.75 . write and solve an equation to find how may hrs u worked. I put $7.50 x hours=$33.75 and hours is 4.5 is that correct?

6. ## Science

what the difference between the structures of simple and complex

7. ## math

what are the 5 number combo in 1 to 39

8. ## math check if right plz

your schools football team scored 49 points. your team score was 19 points more than your opponent scores. write and solve an equation to find the opponents score is this right. 49-19=s and s would be 30?

9. ## math

How can I solve for x? 3x - 4 = 17

21. ## Geography (Ms. Sue)

1). What factors affect the choice of a location of a city? 2). Why is the St. Lawrence Seaway important? 3). How did methods of moving people and goods across the continent change over time? 4). In what ways have transportation systems crossing the

22. ## chemisty

Find the volume of a starburst candy (220 cm cubed). The mass is 5.14 grams. Calculate it's density. How many starburst would it take to fill your locker (139,200 cm cubed)? Use dimensional analysis to solve this problem.

23. ## biochemistry

Calculate the delta G naught prime f (free energy of formation) of the following compounds at 25 degrees celsius. ethyl acetate (ethyl acetate + H2O ethanol + acetate- + H): delta G naught prime =-19.7 kj/mol); the pka of acetic acid is 4.76) Free Energies

24. ## math

In a regular hexagon, what is the ratio of the length of the shortest diagonal to the length of the longest diagonal? Express your answer as a common fraction in the simplest radical form.

25. ## chemistry

While in Europe, if you drive 105km per day, how much money would you spend on gas in one week if gas costs 1.10 euros per liter and your car's gas mileage is 22.0mi/gal? Assume that 1euro = 1.26 dollars.

26. ## math

Sue and Ann earned the same amount of money this month, although one worked six days more than the other. If Sue earned $36 per day and Ann earned$60 per day, how many days did each work?

A store had 896 swimsuits that were marked to sell at $46.99. Each suit was marked down$15.90. Find the reduced price using the formula M = S – N, where M is the markdown, S is the original selling price, and N is the reduced price.

28. ## Physics

An electron with a speed of 3.00X10^6 m/s moves into a uniform electric field of magnitude 1.00X10^3 N/C. The field lines are parallel to the electron’s velocity and pointing in the same direction as the velocity. How far does the electron travel before

29. ## Physics

Both car A and car B leave school at the same time, traveling in the same direction. Car A travels at a constant speed of 77 km/h, while car B travels at a constant speed of 89 km/h. 1. How long does it take car A to reach a gas station a distance 247 km

30. ## statistics

"suppose that IQ scores have a bell-shaped distribution with a mean of 97 and standard deviation of 17.Using empirical rule, what percentage of IQ score are less than 46?"

31. ## social studies

When choosing a name for a child, how could a parent best use this study to help ensure the child's normal social development? 1 keep in mind that other characteristics are more important than name 2try not to choose an ethnic name 3Consider an unusual

32. ## College Algebra

If a ball dropped from the top of a 400 ft building to hit the ground, how long would it take in seconds?

33. ## physics

You throw a baseball directly upward at time t = 0 at an initial speed of 12.5 m/s. What is the maximum height the ball reaches above where it leaves your hand? At what times does the ball pass through half the maximum height? Ignore air resistance and

34. ## physics

A commuting student leaves home and drives to school at an average speed of 42.0 km/h. After 20.0 min he realizes that he has forgotten his homework and returns home to get it at the same average speed. It takes 7.0 min to find the report, after which the

35. ## Physics

A firefighter 41.8m away from a burning building, directs Zach stream of water from a ground level fire hose at an angle of 33.0 degrees above the horizontal . If the speed of the streams it leaves the hose is 42.7m/s, at what height will the stream of

36. ## physics

A Boeing 787 is initially moving down the runway at 3.0 m/s preparing for takeoff. The pilot pulls on the throttle so that the engines give the plane a constant acceleration of 1.7 m/s2. The plane then travels a distance of 1900 m down the runway before

37. ## physics

Sheena can row a boat at 3.13 mi/h in still water. She needs to cross a river that is 1.10 mi wide with a current flowing at 1.75 mi/h. Not having her calculator ready, she guesses that to go straight across, she should head 60.0° upstream. (a) What is

38. ## Chemistry

When 0.03 moles of aluminum sulfate are dissolved in enough water to make 266 mililiters of solution, what is the molarity of sulfate ions? Answer in units of M

39. ## science

A student wants to determine what type of cereal his classmates like best. He buys three of his favorite puffed cereals and one oat cereal. He pours five bowls of each cereal and gives one bowl to each of his 20 classmates. He asks each of his classmates

40. ## physics

The charge per unit length on a long, straight filament is -87.0 µC/m. (a) Find the electric field 10.0 cm from the filament. Distances are measured perpendicular to the length of the filament. (Take radially inward toward the filament as the positive

Ten years ago, you started working as a clerk for DMD Medical Supplies. Six months ago, Liz Jakowski, the human resources director, promoted you to office manager. You manage two employees: Jack Snyder and Ruth Disselkoen. Your office provides secretarial

42. ## Geography (Ms. Sue)

Why might two groups of people living in the same area develop different cultures? My answer: Two groups of people living in the same area might develop different cultures because, if they came into contact with each other, diffusion may occur between the

43. ## physics

A large, flat, horizontal sheet of charge has a charge per unit area of 2.05 µC/m2. Find the electric field just above the middle of the sheet.

44. ## english

1.From a very young age I had aversion 2.to water when I was it. First of all i can't understand the whole sentence and the question is that in each line an omission is there in 1 and 2.plz help me i think that 1.had_a_aversion/had _strong_aversion 2.water

45. ## chemistry

A sprinter set a high school record in track and field, running 200.0 m in 20.9s . What is the average speed of the sprinter in kilometers per hour

46. ## calculus

An electrical circuit switches instantaneously from a 3 volt battery to a 23 volt battery 6 seconds after being turned on. Sketch on a sheet of paper a graph the battery voltage against time. Then fill in the formulas below for the function represented by

47. ## Criminal Justice

Discuss the merits of the idea that genetics are a source for criminal behavior. Make sure to provide examples that can be found through research studies and have evidence linking genetics and crime, including twin studies, adoption studies, and

48. ## Chemistry

When 0.016 moles of aluminum sulfate are dissolved in enough water to make 477 milliliters of solution, what is the molarity of sulfate ions?

49. ## writing

Ten years ago, you started working as a clerk for DMD Medical Supplies. Six months ago, Liz Jakowski, the human resources director, promoted you to office manager. You manage two employees: Jack Snyder and Ruth Disselkoen. Your office provides secretarial

50. ## college algebra

a large rectangular movie screen in an IMAX theater has an area of 8624 square feet. Find the dimensions of the screen if it is 10 feet longer than it is wide.

51. ## Geometry

A triangle has side lengths 3in, 4in, and 6in. The longest side of a similar triangle is 15in. What is the length of the shortest side of the similar triangle?

52. ## Calculas

A book designer decided that the pages of a book should have 1-in. margins at the top and bottom and 1 2 in. margins on the sides. She further stipulated that each page should have an area of 52 in.2. Find a function in the variable x, giving the area of

66. ## COM 200 Quiz

1. My boss, Josie, is a great supervisor because she listens to each employee’s concerns and ideas. Josie is an example of a: (Points : 1) *a) Social schema b) Stereotype c) Person Schema d) Prototype 2. Beth believes that she does a good job of

67. ## Algebra 2

tom and jerry were offered similar jobs at competing companies. sony offered tom a starting salary of $32,000 per year with a 7% raise at the end of each year.panasonic offered jerry a$35,000 annual starting salary with a 5% raise at the end of each

71. ## Physics

A projectile is fired with an initial velocity of v0 feet per second. The projectile can be pictured as being fired from the origin into the first quadrant, making an angle O with the positive x-axis. If there is no air resistance, then at t seconds the

72. ## algebra

Henry rented a truck for one day. There was a base fee of , and there was an additional charge of cents for each mile driven. Henry had to pay when he returned the truck. For how many miles did he drive the truck?

73. ## math last one sorry

p+1.6 divided by (-0.4)=-12

74. ## Physics

Suppose a single electron orbits about a nucleus containing two protons (+2e), as would be the case for a helium atom from which one of the two naturally occurring electrons is removed. The radius of the orbit is 2.65 10-11 m. Determine the magnitude of

75. ## Calculas

A book designer decided that the pages of a book should have 1-in. margins at the top and bottom and 1 2 in. margins on the sides. She further stipulated that each page should have an area of 52 in.2. Find a function in the variable x, giving the area of

76. ## Math

A projectile is fired with an initial velocity of v0 feet per second. The projectile can be pictured as being fired from the origin into the first quadrant, making an angle O with the positive x-axis. If there is no air resistance, then at t seconds the

77. ## math

A burger restaurant advertises that there are 96 possible ways to order your burger, assuming you have it on a white, wheat or sourdough bun. How many ways can you order a burger on a sourdough bun?

78. ## Physics

Suppose a single electron orbits about a nucleus containing two protons (+2e), as would be the case for a helium atom from which one of the two naturally occurring electrons is removed. The radius of the orbit is 2.65 10-11 m. Determine the magnitude of

79. ## math

Elaine purchased a new copy machine and financed it for one year. The installment price was $3824.25 and the cash price was$3565. Find the amount of finance charge using the formula Finance charge = Installment price – Cash price.

80. ## physics

A staging that weighs W staging supports a painter weighing 770 N. The reading on the left scale is 660 N and the reading on the right scale is 410 N. What is the weight of the staging? Answer in units of N

81. ## math stumped...

is the solution of 1/3x=21? greater than or less than 21? the volume F of the cylinder is 65n cubic centimeters. the height of the cylinder is 5 centimeters. use the vomula v=Bh to find the area of the base of the cylinder? the total area of triangle is 44

82. ## social studies

A 150 years ago nearly 3/4 of the working people in this country worked on farms. By the beginning of the 1980s only 1/40 did. Clearly automation "destroyed" many farms jobs. But if technology were really eliminating work, we would expect unemployment .

83. ## calculus

find the points on a graph of f where the tangent line is horizontal. f(x)= x^3 - 18x^2 (x,y)= (smaller x value) (x,y)= (larger x value)

84. ## chemistry

calculate the weight of oxalic acid required to neutralise 250 ml, 0.1 normal KOH sollution?

85. ## math/phys

A converging lens (f = 12.2 cm) is located 33.4 cm to the left of a diverging lens (f = -4.64 cm). A postage stamp is placed 31.4 cm to the left of the converging lens. (a) Locate the final image of the stamp relative to the diverging lens. (b) Find the

86. ## chemistry

In Europe, gasoline efficiency is measured in km/L. If your car's gas mileage is 39.0mi/gal , how many liters of gasoline would you need to buy to complete a 142-km trip in Europe? Use the following conversions: 1km=0.6214mi and 1gal=3.78L.

87. ## math

If 1,000 UD dollars is equivalent to 0.8610 European euros, convert $11,000 to euros.$11,000 is equivalent to?

88. ## Mathematics

The formula Total cost=Cost + Shipping cost + Maintenance is used to find the total cost of a business asset. The formula can be written in symbols as T=C+S+M. Solve the formula for S, the shipping cost of the asset. S=?

89. ## chemistry

calculate the weight of oxalic acid required to neutralise 250 mL , 0.1 N KOH sollution?

100. ## Chemistry......

If the statement is true, write a T in the blank. If the statement is false, rewrite it to make it correct. 1. An inert gas reacts easily with other elements 2. Radioactive decay is dependent on external forces such as temperature and pressure

101. ## Mathematics

A company sold garden hoses at a reduced price of $6.52 and took an end-of-season markdown of$10.43. What was the original selling price of each hose? Use the formula M=S-N, where M is the markdown, S is the original selling price, and N is the reduced

102. ## chemistry

an aqeous sollution of 6.3 g oxalic acid is made up to 250 mL. calculate the volume of 0.1 N sodium hydroxide needed to neutralise 10 mL of this sollution?

103. ## Money and Banking

1. A firm uses capital to produce revenue. The marginal revenue from the first 5 units of capital is as follows: 1st unit has MR 2.30, 2nd unit has MR 1.9, 3rd unit has MR 1.70, 4th unit has MR 1.35, and 5th unit has MR 1.15. If the interest rate is 50%,

104. ## Geometry

Find the coordinates of the midpoint of a segment having the given endpoints. Then find the distance between the endpoints. 1. G(0,0), H(-3,4) 2. A(-4,-4), W(-2,2) 3. N(5,2), K(-2,8)

105. ## physics

A 30.0 cm diameter loop is rotated in a uniform electric field until the position of maximum electric flux is found. The flux in this position is 5.60 multiplied by 105 N·m2/C. What is the magnitude of the electric field? MN/C

106. ## Principles of Finance

The payment structure of a corporate bond is best thought of as

107. ## science

a child is pushing a shopping cart at a speed of 1.5 m/s. how long will it take this child to push the cart down the aisle with a lenght of 9.3m?

108. ## Math

Okay, I'm in a calculus class but stuck on some algebra...it's not crucial that I get the answer to this but I'm wracking my brain because I can't remember how the following is obtained; if you can show me how this is done in steps I'd greatly appreciate

109. ## Chemistry

Give the molecular orbital description [e.g. sigma(sp3-sp3)] for each unique bond in the following structure. CH3NCHCCH I know how to draw the lewis structure and what a sigma and pi bond is, but I don't understand what the (sp3-sp3) part after the bond

113. ## Math: law of exponents check answers

I know that anything to the power of 0 is 1 but I need help with these 2 questions and check my answers: (xy)^0 / (z^2a^1)= (-2mn^2)^1 / (pqm)^0= (xy^2z)^0= 1? Negative Exponents: it says to leave answers with positive exponents only, I did all these

114. ## MGT 495 Organizational Strategies

I have to complete a career external environment assessment that has to be 3-5 pages long, but I am not understanding what it is that I am supposed to be writing about, can someone please help me out??? It's due by midnight and my instructor has not

115. ## Chem

If the statement is true, write a T in the blank. If the statement is false, rewrite it to make it correct. 1. An inert gas reacts easily with other elements 2. Radioactive decay is dependent on external forces such as temperature and pressure

116. ## english

Q.Fill in the blanks using appropriate words from the options given below!!! When we (a)_________ anything we always have to keep in mind our (b)_________. After all, except as an exercise, there would be little point in writing anything if it (c)_________

117. ## history

The perioeci and helots revolted against which city-state? In the golden age of Greece an Athenian worked in the morning and did what in the afternoon?

118. ## physical

a tortoise walks north at 0.4 mg for 14 meters, then north at 0.2mg for 30 meters ,then south at 0.3 m/s for 60 meters.what is his average speed?

120. ## calculus

use the method of cylindrical shells to find the volume of the solid obtained by rotating the region bounded by the given curves about the x-axis. sketch the region and a typical shell. x=1+y^2, x=0, y=1, y=2

121. ## algebra 2

I am trying to factor the expression -8y^2+28y-60 but can't get an answer that is correct. Here is an example of how the problem is supposed to be factored. If you have 21x2-77x-28 the first thing you would do is (21x )(x ). Next you would find two numbers

122. ## Physics

A circular surface with a radius of 0.058 m is exposed to a uniform external electric field of magnitude 1.49 104 N/C. The electric flux through the surface is 74 N · m2/C. What is the angle between the direction of the electric field and the normal to

186. ## 8086 microprocessor

write a program to interface keyboard to MT 8086 microprocessor kit

187. ## algebra 1

how do i solve 3D + 14 - 9D - 4D + P - 11

188. ## math

how do you solve this 1/(1+ã2)+ã3/ã5

189. ## English for sou

I hope you're still working on these: http://www.jiskha.com/display.cgi?id=1378614319 http://www.jiskha.com/display.cgi?id=1378616294

190. ## calculus

find the area enclosed by the given curves. y=squareroot of x y=x/2 x=9 * i just graph it but do not know how to set it up the equation or anything.

asked by can somebody explain how to do it?
191. ## Algebra

lcd of x/14+11x/18=x/20

192. ## college math

simplify -10 -5

194. ## brainstorming

what are the pros and cons of time traveling I have some noted down but I need more thanks

1. Select the approximate values of x that are solutions to f (x) = 0 , where f (x)=8 x^2 +7 x +4 A. ( -0.39 , 1.27 ) B. ( -0.88 , -0.50 ) C. ( -8, 7 ) D. ( -2.00 , 1.75 ) The answer I getting is (B). But I second guessing it could be ( A ). Please let me

197. ## english

everyday their are more and more dirty dishes to wash-truly a(n) task. a=epicurean b=jovial c=sisphean d=gslvanized its d

198. ## to bobpursley

is this the correct answer: 2m^-8n^-2/9m^2n^-6??

199. ## Career question

how long does it take to become a pediatrician?