# Questions Asked onJanuary 14, 2010

1. ## Physics

A 23 kg suitcase is being pulled with a constant speed by a handle that is at an angle of 25° above the horizontal. If the normal force exerted on the suitcase is 155 N, what is the force F applied to the handle?

2. ## math

Match the equation with the step needed to solve it. 1. 2m - 1 = 3m subtract m 2. 2m = 1 + m subtract 2 3. m - 1 = 2 subtract 1 4. 2 + m = 3 subtract 2m 5. -2 + m = 1 add 2 6. 3 = 1 + m add 1

3. ## math

determine whether the ratio are equivalent 10/17 and 30/51 A)yes B)no

4. ## Geometry

What is the formula for finding the surface area of a right rectangular prism? (ex: The base of a right rectangular prism is 10 ft by 7 ft. The height is 3 ft. Find the surface area)

5. ## physics

a person standing at the edge of a seaside cliff kicks a stone over the edge with a speed of 18 ms. The cliff is 52m above the waters surface. How long does it take for the stone to fall to the water? With what speed does it strike the water?

6. ## physics(universal law of gravitation)

a satellite has a mass of 100 kg and is located at 2 x 10^6 m above the surface if the Earth. wHAT is the potential energy associated with the satellite at this location? What is the magnitude of the gravitational force on the satellite?

5 factors that affect the rate of a chemical reaction

The number of girls in a class is 70% of the number of boys. If the class has 25 boys, how many girls are in the class?

9. ## diagramming a sentence

In this sentence, "Yellowstone National Park is in Wyoming", is the word "in" the present tense verb?

How do you do letter equations? "Each letter in the equation below represents a different digit from the set (1, 3, 4, 7, 8). find the value of each letter to make the equation true. Each letter must represent only one number throughout the entire

log(7x-3)>=log(5x)

12. ## Chemistry

hi! this question confuses me. "Pennies have mass of approximately 2.5 g. How many pennies are needed to make a mole of copper?" if anyone can help, that would be amazing.

13. ## science

the denisty of copper is 8.96g/cm3. A sample of a metal mass of 40.0g and a volume of 6.0 cm3 what can you determine about the sample?

14. ## math

A researcher interested in relationships developed a questionnaire that measures the degree of affection adult men feel for their fathers. She has found that for the general population the distribution is skewed to the right, the mean degree of affection

15. ## science

which statement is true about the volume of the water displaced when the golf ball dropped into the large beaker? 1)It is equal to the volume of the golf ball. 2)It is greater than the volume of the golf ball 3)It is less than the volume of the golf ball

16. ## Earth Science

Plinian eruptions are the most powerful type of eruption. They are usually caused_______magma. A)rhyolitic B)bybasaltic C)andesitic

17. ## references am i correct?

Create a reference for your paragraph. • Authors: S. C. De Janasz, K. O. Dowd, & B. Z. Schneider • Date: 2002 • Title of book: Interpersonal Skills in Organizations • City of publication: New York, NY. • Publisher: McGraw-Hill. • Page number:

18. ## Math

In each case, determine whether the situation calls for a discrete or continuous random variable and explain your answer. Please help! a. The description of the number of children in a family selected at random from families in Ft. Wayne, Indiana b. The

19. ## math

is there any number that doesn't have a reciprocal?

20. ## Science

Which of the following contain water that is easily available for human use? (more than one answer) Icecaps & glaciers - 76% of fresh water Shallow Groundwater- 12% of fresh water Deep Groundwater - 11% of fresh water Lakes & Rivers - 0.34% of fresh water

21. ## statistics

A researcher interested in relationships developed a questionnaire that measures the degree of affection adult men feel for their fathers. She has found that for the general population the distribution is skewed to the right, the mean degree of affection

22. ## geometry

A 6-foot ladder touches the side of a building at a point 5 feet above the ground. At what height would a 15-foot ladder touch the building if it makes the same angle with the ground as the shorter ladder?

23. ## math

. A school counselor tests the level of depression in fourth graders in a particular class of 20 students. The counselor wants to know whether the kind of students in this class differs from that of fourth graders in general at her school. On the test, a

24. ## math

Four different positive integers sum to one hundred twenty-five. If you increase one of these numbers by four, decrease the second by four, the multuply the third by four, and divide the last by four, you will produce four equivalent numbers. What are the

25. ## math

A researcher conducts a t test for dependent means in which it is predicted that there will be a decrease in unemployment from before to after a particular job-skills training program. The cutoff "t" needed is -1.8333. The standard deviation of the

26. ## algebra

solve 44= 14-2a i hate these kind of problems they screw wit ur head that's what i think anways i just need help quiz

27. ## math

Make a stem and leaf plot of the students heights. (One of the students height is 126 cm) Dont know how to start with 3 digits

28. ## physics

Ige confused, the truck driver sound the horn of the truck, which has a frequency of 260HZ. The speed of sound in air is 340m/s. an observer hears the sound while traveling in a bus toward the truck at a speed of 30m/s. a) what is the wavelength of the

29. ## Math Factoring

Explain how x^4+7x^2+20 and x^2+7x+20 are alike and different.

how do you write a song that wull knock over a cow

31. ## Literature

I really need help with this activity: 'Pretend that you're a mouthpiece, similar to Squealer from Animal Farm. Your job is to write and spread propaganda about a product, political party, idea, or cause. Write a short, factual description of the item and

32. ## chemistry

A liter of 8 M NaOH solution contains how many grams of NaOH?

seating capacity of 24,042 round this to the nearest 1,000.? detroit shock 22,076 round this to the nearest 1,ooo? thanks!!

34. ## chemistry

What volume of a 2.90 M KI stock solution would you use to make 0.425 L of a 1.25 M KI solution?

35. ## Triginometry

Solve the following equations algebraically and check. y=2x^2+2x+3 y=x+3

36. ## Biology

What is the function of lactose in the body? I know what lactose is, but I'm having trouble finding if it does anything in the body (give energy...?) And also, what is the function of fructose in plants? I'm having the same problem.

37. ## literature

the form of the poem " god's granderr" is that of

38. ## Poetry

i need help translating this poem into modern english. it is by John Donne I wonder, by my troth, what thou and I Did, till we loved?were we not weaned till then, But sucked on country pleasures, childishly? Or snorted we in the seven sleepers' den? Twas

39. ## hca 270

Compute the worth of Arcadia Hospital in 2005 using rules of thumb adjusted book value and discounted cash flow valuation Assume the cash flow for 2006? can anypone help i have no clue what this means and i so confused if anyone can get me started then i

40. ## physics

Water flows in a cylindrical, horizontal pipe. As the pipe widens to twice its initial diameter the pressure in the pipe changes. Calculate the change in pressure between the wide and narrow regions of the pipe. Give your answer as an expression in terms

41. ## Triginometryy

what is the equation of the axis of symetry of the parabola represented by the equation y=2x^2+16x-11? a)x=-8 b)x=8 c)x=-4 d)x=4

42. ## help

i need help with an assinment but is this a way of cheating?

43. ## spanish

What does this mean Que llevan uds.?

44. ## chemistry

a gas have a volume of 100.0 ml when the temperature is -123C. What will its volume be at 27C? i don't know how to do it. can you help me please?

45. ## algebra 2

Why is a stick of gum like a sneeze?

46. ## spanish

What does this mean: Cantas en el coro?

i need help on this problem. 132,164,569 round to the nearest million? 179,323,175 round to the nearest million? thanks!

48. ## spanish

what does this mean.... Que son algunas comidas tipicas en latinoamerica?

49. ## Trig

What is the solution set of the inequality x^2-x>20? a)x>5 b)-4

50. ## spanish

what does this mean__________ Que tienes en tu mochila?

51. ## PreCalculus

post answer in this question so that way i don't have to search h t t p : / / w w w . j i s k h a . c o m / d i s p l a y . c g i ? i d = 1 2 6 3 4 9 4 6 3 7

52. ## 3 rd math

no i'm not try to cheat. i just want to understand how do you round the #132 to the nearest million . if 2 in million place should i round up or keep it same value. i just want to able to understand . on my kids math practic only . it's not an actual

53. ## MATH

Which division sentence will give an answer that is not in equal groups? a.) 26/4 b.) 35/7 c.) 42/6 d.) 45/5

54. ## L.A

I'm reading a story and I have to come up with a reason why this would help the character become a man. -Seeing himself in a mirror for the first time.

55. ## Trig

what is 2 pi over 1/5 reduce to?

56. ## Summarizing, Paraphrasing, and Citing am i right?

Review the Summarizing, Paraphrasing, and Citing reading. Read the following paragraph: Decision making is a process by which several possibilities are considered and prioritized, resulting in a clear choice of one option over others. Decision making is a

179,323,175 round to the nearest million sue can you please check my answer . this is my answer 280,000,000. hope i got it right.

58. ## science

in which state of matter do particles stay close together,yet are able to move past one another? 1)solid 2)gas 3)liquid 4)plasma

59. ## spanish

de quien es la casa mean?

60. ## science

if we didn't have chemical energy what would change in our everyday life?

61. ## college

A metal cube measuring 1.50 cm on a side has a mass of 38.3g. Will this cube float or sink in mercury: your calculations must support your answer.

62. ## critical thinking

Choose from the following three topics from the Opposing Viewpoints Resource Center. Note that there is one article in support and one in opposition listed for each topic. Immigration: Immigration Should Be Restricted. Paul Craig Roberts. Opposing

Write a prose satire aimed at changing the behavior or attitude of you audience.

64. ## math

write the ratio as a fraction in simplest form 80:300 A)1/5 B)1/4 c)4 D)4/15

65. ## science

an ocena current moving from the equator toward the north pole or the south pole is ? Is the answer Warm in the Northern Hemisphere and Cold in the Southern Hemisphere?

66. ## math

solve the proportion x/12=91/84 A)6 B)8 C)13 D)3

67. ## science

what is the source of surface currents in the oceans? Is it mixing of water masses of differing temperature

68. ## algebra

Distributive, Associative, or neither? 3(bz)=(3b)z

69. ## social studies

What is the name of the cabinet department that replaced Secretaryof War-Wr Department

In which division sentence is 8 the divisor? a) 8/2=4 b) 40/8=5 c)8/4=2 d) 48/6=8 I think it is b or d. I forgot my book at school, so I don't have any examples to look at for help. PLEASE HELP !!!!!

71. ## Molarity

Determine the molarity and normality of a solution prepared by dissolving 55 mg of sodium bicarbonate (NaHCO3) in 750 mL of water.

72. ## math

Match the equation with the step needed to solve it. 1. 2m - 1 = 3m subtract m 2. 2m = 1 + m subtract 2 3. m - 1 = 2 subtract 1 4. 2 + m = 3 subtract 2m 5. -2 + m = 1 add 2 6. 3 = 1 + m add 1

What is the most common form of economic activity in the U.S.?

74. ## math

hey i asked for help with accounting with a question i saw the same question at this site but when i click it it doesnt work is there anyway you can check it for me then what they posted there you can copy and post it here for me).my question was Tracy

75. ## physics

A tin can is filled with water to a depth of 30 cm. A hole 11 cm above the bottom of the can produces a stream of water that is directed at an angle of 34° above the horizontal. (a) Find the range of this stream of water. (b) Find the maximum height of

76. ## math

20 students, a score of 10 indicates depression, a score of 0 indicates no depression, variation is unknown, but sample of 20 has a mean score of 4.4, unbiased estimate of population variance is 15. What is the variance of the distribution of means?

77. ## geography

what does todalsig stand for when doing maps

78. ## spelling

What is an analogy for the word fly that starts with the letters scr, spr, str and thr that has 4 letters?

79. ## example of change

a change that happens fast

80. ## science

a pyrite rock has density of 5.02 g/cm What will happen when the rock is placed in a beaker of mercury which has a denisty of 13.6 g/cm3? will it float or sink or neither but remain suspended?

Victoria has pennies, dimes, and quarters. She has a total of \$26.28. There are two times as many dimes as pennies. There are five times as many quarters as pennies. How many of each coin does she have? Can you please show work?

5-3x>7

83. ## Pre-Algebra

Please help me. Thanks It's Pythagorean Theorem: A boot leaves port and travels 18 miles north and 15 miles east. How far from port is the boat? I have drawn a picture, 15² + 18² = c² ²= squared. Thanks... meh please someone help mewith this, thanks.

84. ## French

To start a sentence, "In spring" Is it "En printemps," or "Au printemps"? Merci.

85. ## Byzantine Empire

Did Justinian the Roman Empire as the Byzantine Empire? What is his legacy?

86. ## algebra 2

Classify the system {-7x-6y=4 -28x-24y=16 , and determine the number of solutions.

87. ## pre calc

A square is drawn inside a square. Find the area of the square as a function of the radius of the circle.

88. ## Trig

How do you find the H-Shift. My problem is y=5 sin(3x-pi/2).

89. ## Physics

A person standing at the edge of a seaside cliff kicks a stone over the edge with a speed of vi = 23 m/s. The cliff is h = 54 m above the water's surface. How long does it take for the stone to fall to the water? With what speed does it strike the water?

90. ## litercy

why are you most likely to find stereotypes in legends and fairytales?

A Pyrotechician is working on a new fourth of July rocket. He is using a highly reactive metal when burned. What can he use to lower the reaction rate????

92. ## science

compare plant and animal cells.

93. ## math

i have 5 coins. none are worth more than 5 cents. make a list to show how much coins i have.

94. ## Math

So lately in class, we've been doing stuff on finding the variables in equations. I've been able to understand it all except for these two problems. T+4/13=12/39 So I multiplied 4/13 times 3, to make it have the same denominator. so I have 12/39. but I'm

cuneiform was what?

96. ## algebra

write a quadratic equation having the given numbers as solutions. -4 and -1 thank you

97. ## math

the area or peur is 3 4/25 times the area of purgatory the area of purgatory is 157000 what is the area of peur

98. ## math

jada has 5 coins in her bag. none of the coins is worth more than 5 cents.how much moey could she have. make a list.

99. ## math

what is the dividend to the following equation? /3 2/5=10

thank you!! Ireally apreciate it!!

101. ## Math

I am having a hard time with this word problem: A road crew has 3/4 ton of stone to divide evenly among 4 sidewalks. How much stone does the crew need for each sidewalk. a. 3/8t b. 3/16t c. 5/16t d. 5/24t This is what I did: 4 divided by 3/4 is 4/1 x 4/3

103. ## Europe

on which 2 oceans does russia hav a coast

104. ## math

I understand. Thank you for helping me.

105. ## L.A

What does it mean to protect someone?

106. ## math

Solve for x: sin2x + cos^2x = 1 0° < or equal to x < 360°

107. ## Spanish

what is the preterite tense from the present of tu puedes ir = ?

108. ## poetry

im trying to write an acrostic poem on procrastination.this is what i have so far: Play before work R O C R Arguing that you’ll do it later Stay up all night T I N A Things getting in the way I O N hellpp?? please and thankyou:)

109. ## ethics

what is the difference between muslims and arabs

111. ## Math

In each case, consider what you know about the distribution and then explain why you would expect it to be or not to be normally distributed. I am really having a hard time understanding this. Any help would be great. a. The wealth of the parents of

112. ## Math

Explain why the function is discontinuous at the given number a. f(x)=ln l x-2 l a=2 I don't understand how I would explain this.. in the back of the book it said f(2) is not defined. What do they mean by that?

113. ## chem

The hydrogen emission spectrum has four series (or sets) of lines named Balmer, Brackett, Paschen, and Lyman. Indicate the energy (infrared, ultraviolet, or visible), the nf value for each series, and all possible ni values up to 7. ( Separate the values

114. ## algebra

Now which of these lines are functions?x=3 y=2 y=2x+5

115. ## chemistry

The hydrogen emission spectrum has four series (or sets) of lines named Balmer, Brackett, Paschen, and Lyman. Indicate the energy (infrared, ultraviolet, or visible), the nf value for each series, and all possible ni values up to 7. ( Separate the values

116. ## law of conservation of momentum.. physics

The boat would sink a little bit in the water and move in the direction that the melon was thrown to you.

117. ## law of conservation of momentum.. physics

The boat would sink a little bit in the water and move in the direction that the melon was thrown to you.

118. ## momentum and it's conservation physics

when a fire hose is hook up to a water supple and the water is turn on the it frequently takes a firefighter to control the hose. why does a fire hose "recoil" when the water is turned on?

Are there any weaknesses in the EFAS/IFAS classification system?

120. ## momentun and it's conservations

suppose you are sitting on a boat that is motion-less on the water, what happens when someone nearby tosses a watermelon, assuming you catch it? explain this according to the law of conservation of momentum

121. ## eng

i need a symbol for my book tht represents a charctr from the novel and my book is we are all welcome here by eizbth berg i need to jus find a symbol of that can u plz tell me as soon as possible

122. ## SCI/275-environmental science

Provide a brief summary differentiating conservation and preservation.

123. ## To: Ms. Sue

Ms. Sue you know the matching activity I did the day before yesterday right, well Inukshuk went with :human figures used as markers. It means human figures serving as landmarks. Just to let you know, I posted this, thanks again, and domesticated went with

124. ## chemistry

how would you find the theoretical yield of a reaction where all reactants and products are in 1:1 ratio, and there are two products formed which have the same MW. (products are collected as one..not separated) After finding the number of moles, I just

125. ## english

can you proof read for me. In second part of the novel is more interesting from the first part. Alex was bored so Lao Xu told him the story about Zhou and Zhu Ge-Laing. It was very interesting story about Chinese history. Alex is very good to learn things

126. ## operating system

can you give me the help features of windows98 *contents,index,search,tool.

127. ## science,

we know that people need more oxygen when they are active. draw conclusins on why it is so.

What happens when the kinf of beasts runs in front of a train

129. ## math

what is one way to find the equivalent percent for three fiths

130. ## math

solve algebraically for 8x-y=4 and 5x 3y=17

131. ## physics

how can a racing bicycle have the same linear momentum as a pick-up truck?

132. ## chemistry

how do you determine the percent by mass of an element?

133. ## Social Studies

Which areas in Africa are controlled by other imperial powers. I've been searching everywhere and still can't find the answer. Thanks

asked by just another pretty face
134. ## math

If each side of a regular pentagon is X2 + 17 and each side of a regular hexagon is x2 + 2x, for what value or values of x will be the perimeters of the figures be equal

135. ## To Mrs. Sue

an ocena current moving from the equator toward the north pole or the south pole is ? Is the answer Warm in the Northern Hemisphere and Cold in the Southern Hemisphere?

136. ## sci/275-environmental

What are the pros and cons of using Malathion pesticide????

137. ## To Ms. Sue

asked by just another pretty face
138. ## matc

If a manufacturer charges q dollars each for footballs, then he can sell 3000-150q footballs per week. Find a polynomial R(q) that represents the revenue for one week. Find the weekly revenue if the price is \$8 for each football.

139. ## math

When you divide whole number by a fraction,how does the quotient compare with the whole number?

140. ## science

we know that people need more oxygen when they are active. draw conclusins on why it is so. Thursday, January 14, 2010 at 7:28pm science

asked by we know that people oxygen
141. ## HELP

WHAT BUSNESS CAN i WRITE A 200 WORD DESCRIPTION ON HOW PARTNERSHIP FOCUSES ON THE ATTRIBUTES OF THE BUSNESS

This is for a critical care nurse. Need to develop specific incentive, reward or recognition program and explain how this relates to maintaining positive employee relations. It has to be done in an outline form.

143. ## Physics

A 23 kg suitcase is being pulled with a constant speed by a handle that is at an angle of 25° above the horizontal. If the normal force exerted on the suitcase is 155 N, what is the force F applied to the handle? and.. A paleontologists estimate that if a

144. ## art

Can someone tell me the distinction between film and popular cinema?

145. ## Precal

I do not understand how to do this problem ((sin^3 A + cos^3 A)/(sin A + cos A) ) = 1 - sin A cos A note that all the trig terms are closed right after there A's example sin A cos A = sin (A) cos (A) I wrote it out like this 0 = - sin^6 A - cos^6 A +

146. ## Algebra

Can someone help me with this question. I thought it was quadratic but now I am not sure. State whether the equation represents a linear, quadratic, exponential function or none of the above. x^2+ 6 = -8 x

147. ## To Ms. Sue urgent

So do I have to write every country down??

asked by just another pretty face
148. ## home economics

name two macronutrients and two micronutrients

149. ## health

Hospitals That Are Excluded From Medicare Acute Care PPS (such As Children's Hospitals) Are Paid Based On?

150. ## GCU

How is electric current carried

151. ## History

What exactly is political composition? I need to do a powerpoint on the "decade of greed" basically Reagan and the 80's. I have searched and searched to no avail... please help, and thanks.

152. ## math

what distance does the top of the empire state building travel horizantally

153. ## Statistics

I have to analyze a statistical research paper and have never done so. How do I analyze statistical data and where do I find sources to support my analysis?

154. ## To Mrs. Sue

a pyrite rock has density of 5.02 g/cm What will happen when the rock is placed in a beaker of mercury which has a denisty of 13.6 g/cm3? will it float or sink or neither but remain suspended? Is it sink?

155. ## accounting

Situation Parent, Inc. is contemplating a tender offer to acquire 80 percent of Subsidiary Corporation's common stock. Subsidiary's shares are currently quoted on the New York Stock Exchange at \$85 per share. In order to have a reasonable chance of the

156. ## Finance

If you are offered \$30,000 fifty years from now or \$95 today, which would you choose and why?

157. ## health

How do you distinguish between a management, non-training, and training issue? What are some examples of each type of issue?

158. ## science

What is density? I know that I can look it up in a dictionary and I have...but I still don't really get it. Thanks, 1234

159. ## Chemistry

You have 2.0 g of solid A, 100.00 mL of water (100.0 g of water), and the total mass of solid A combined with 100.00 mL of water is found to be 102.0 g. The mass percent of A in this solution is

If 4.55 g of sodium sulphide and 15.0 g of bismuth nitrate are dissolved in separate beakers of water which are then poured together, what is the maximum mass of bismuth sulphide, an insoluble compound, that could precipitate? What reactant was the

161. ## health

An adverse effect is a condition that develops as a result of A. a recent illness. B. a long-standing illness. C. the improper use of medication or drugs. D. the proper use of medication or drugs

162. ## social studies

how has the rise of agriculture affected how people lived

163. ## social studies

what are then characteristics of developing countries

164. ## geometry

Find the other endpoint of a line segment with the given midpoint and one endpoint. Endpoint: ( 6, -1); Midpoint:(15/2,2

165. ## writting messages

How to write a negative message to my boss

166. ## social studies

how did geography affect the italian peninsula?

Describe two criteria used to assess a market's potential for a new product. Based on these criteria, what are the steps the managers of a global company need to take in order to decide whether a foreign market is a viable market in which to introduce a

During thunder and lightning storm, an observer heard the thunder 15s after seeing the lightning move into the ground. if the air temprature was 28celcies, how far was the observer from the spot where the lightning hit the ground? (light travels at 3.0 x

169. ## Language Arts

Is the following a correct sentence: Martha and him ate the sandwich.

170. ## physics

A 10.4 kg child sits in a 4.1 kg high chair. (a) Find the normal force exerted by the chair on the child. N (b)Find the normal force exerted by the floor on the chair. kN

171. ## Writing

I need to write a personal anecdote that has some insight/wisdom/ or a lesson that's learned in it. I'm having trouble thinking of situations where a life lesson is learned and that someone could please give me examples. (The story doesn't have to happen

21=3(t-3)+3t

173. ## Math

The sum of my two digits is 13. I am not divisible by 2. List all possible numbers I could be.