# Questions Asked onOctober 7, 2008

1. ## chemistry

consider a crystallization of sulfanilamide in which 10 mL of hot 95% ethyl alcohol is added to 0.10 g of impure sulfanimide. after the solid has dissolved, the solution is cooled to room temp. and then placed into an ice-water bath. no crystals for, even

2. ## o-chem

explain how the rate of crystal growth can affect the purity of a recrystallized compound

3. ## chemistry

name the elementwhich has the following numbers of particles: a.26 electrons,29 neutrons,26 protons b.53 protons,74neutrons c.2electrons(neutral atom) d.20 protons e.86electrons,125neutrons,82protons(charged atom) f.0 neutrons

4. ## maths help!!!!!!!!

An empty 5-gal water jug weights 0.75lb. with 3 c of water inside, the jug weighs 2.25 lbs. Predict the weight of the jug with 5 c of water inside. Plz explain how to do this.....

5. ## physics

Model rocket engines are sized by thrust, thrust duration, and total impulse, among other characteristics. A size C5 model rocket engine has an average thrust of 5.26 N, a fuel mass of 12.7 g, and an initial mass of 25.5 g. The duration of its burn is 1.90

6. ## Math

Find the dimensions of a box that will hold twice as many cubes as a box that is 2 by 6 by 4

7. ## Physics

A car is going 20m/s when they see a traffic light 200m ahead turn red. The traffic light is known to stay red for 15s. The driver wants to reach the light as it turns green. It takes them 1s to press the breaks and the car slows down at a constant rate.

8. ## Accounting

A company using the periodic inventory system has the following account balances: Merchandise Inventory at the beginning of the year, \$4,000; Transportation-In, \$450; Purchases, \$12,000; Purchases Returns and Allowances, \$2,300; Purchases Discounts, \$220.

9. ## math

so if my question is find the dimensions of a box that will hold twice as many cubes as a box that is 2 by 6 by 4 a] volume of original box: 48 b]volume of new box is :96 c] dimensions of new box is 12 by 4 by 2

10. ## Chem

the solubility of a compound is 59g per 100 mL in boiling methanol and 30g per 100mL in cold methanol, whereas its solubility in water is 7.2g per 100 mL at 95 C and .22g per 100mL at 2C. Which solvent would be better for recrystallization of the compound?

11. ## statistics

Suppose that in one week at a certain casino there are 25,000 independent plays at roulette. On each play, the gamblers stake \$1 on red. Is the chance that the casino will win more than \$1000 from these 25,000 plays closest to 2% 50% or 98% explain.

12. ## US History to 1877

I long to hear that you have declared an independency -- and by the way in the new Code of Laws which I suppose it will be necessary for you to make I desire you would Remember the Ladies, and be more generous and favourable to them than your ancestors. Do

13. ## physics

A rock is tossed straight up with a velocity of 37.1 m/s. When it returns, it falls into a hole 18.8 m deep. How long is the rock in the air, from the instant it is released until it hits the bottom of the hole?

14. ## Barton County Community College

What is the proper adjusting entry at June 30, the end of the fiscal year, based on a prepaid insurance account balance before adjustment, \$15,500, and unexpired amounts per analysis of policies, \$4,500?

15. ## chemistry

the state of matter that has neither definite shape nor definite volume is?

16. ## Science

A 5kg rock sits on a 3m high ledge. What is its potential energy?

17. ## physics

i need help figuring out what formaula to use for finding the final velocity of a rocket. Model rocket engines are sized by thrust, thrust duration, and total impulse, among other characteristics. A size C5 model rocket engine has an average thrust of 5.26

18. ## spanish

i need help unscrambling this sentence! clases / esta / tienes / que / tarde please help me!

19. ## Math

Jefferson Davis, President of the Confederate States of America, lived a square number of years. he died in 1889. The digits of the year in which he was born sum to 17. When was Jefferson Davis Born.

20. ## chemistry

the mass number is used to calculate the number of-----------in one atom of an element. in order to calculate the number of neutrons you must subtract the ------from the-----------

A bird accelerates from 15 m/s,north to 25 m/s,south in 8 seconds. A)What is the bird's acceleration vector? B) How far and in what direction does the bird travel in this interval? C) What is the bird's average velocity?

22. ## Science

Javier lives in an area where there is a lot of igneous rock. What is probably near by.

23. ## American history

does anyone one know of an anti-federalist whose name is 7 letters and o is the 5th letter and n is th 3rd letter? i can't seem to find it its not John Jay, Thomas Jefferson or even george Washington or James Monroe....

24. ## Microeconomics

I am trying to calculate profit. If I am given the total revenue of \$21,000,000. There are not fixed or variable costs. There is a constant marginal cost of \$1,000.00. Would my profit still be the total revnue of \$21,000,000?

25. ## Algebra 1: 8th Grade

Explain why the graph of an equation in the form y=kx always goes through the origin. Give an example of a graph that shows direct variation and one that does not show direct variation. I don't really get the question.

26. ## physics

A 1 kg steel ball strikes a wall with a speed of 9.99 m/s at an angle of 55.1 ◦ with the normal to the wall. It bounces off with the same speed and angle. If the ball is in contact with the wall for 0.292 s, what is the magnitude of the average force

27. ## o-chem

explain how the rate of crystal growth can affect the purity of a recrystallized compound

A) Choose one of the following distributions (positively skewed normal distribution, negatively skewed normal distribution or bimodal normal distribution) and generate a sample of 20 numbers for it. The sample you generate should have a mean of 8 and a

29. ## math

I HAVE THESE ANSWERS FOR THE PROBLEMS. COULD YOU DOUBLE CHECK PLEASE, THIS IS A PRACTICE QUIZ WHICH ISN'T A GRADE IT JUST HELPS ME GET READY FOR THE TEST. 1) a 2) b 3) d 4) a 5) d 1. Solve x^3 + 6x^2 + 13x + 10 = 0. a) –2 + 2i, –2 –2i, –2 b) 2 + i,

30. ## history HHHEEELLLPPP!!!

Why did the miners move west? 2 reasons

32. ## english

Eliminate five letters from the word below to find one familiar word in the English language: FHIEVLEILCEOTPTTEERRS

33. ## math

if the temperatureis 39 degrees celsius you are most likely to want to wear (hint: if you are more familiar with fahrenheit temperatures, you approximately how hot or cold this is.) a. a thick winter coat b. a regular fall coat c.just a shirt or light d. a

34. ## mummification process

What substance was used to stuff the nostrils

35. ## Financial Management

1. The financial markets allocate capital to corporations by a)reflecting expectations of the market participants in the prices of the corporation's securities. b)requiring higher returns from companies with lower risk than their competitors c)rewarding

36. ## math

0.63 is equal to a. 0.63% b 6.3% C. 63% D. 630%

37. ## physics

A 50 g ball is released from rest 1.0 m above the bottom of the track shown in the figure. It rolls down a straight segment 30degree segment then back up a parabolic segment whose shape is given by y=1/4x^2 , where and y are in m. How high will the ball go

38. ## Biology

What causes polarity in a water moleclue?

39. ## Physics

The rocketdriven sled Sonic Wind No. 2, used for investigating the physiological effects of large accelerations, runs on a straight, level track that is 1080 long. Starting from rest, it can reach a speed of 1610 in 1.80 . what is the distance covered in

40. ## chem

A student in 51LA conducts a melting point experiment with an unknown compound and observes a melting range of 122 – 129 °C. Is this a typical range for a melting point? If not, what range would be typical? Well for a pure compund the meliting range is

41. ## math

which of the following involves a process of "trial and error"? a. simplying fractions b. changing percentages to decimals c. metric conversions d. reading musical notes

42. ## chemistry

Can someone make sure that I am correct with my first solution? Also I need help with the 2nd problem. I am a little confused about where to begin. 1.) 1.7423g of potassium dichromate were placed in a 250.00 mL volumetric flask and water was added to the

43. ## math

4 men built a wall in 11 days. How long would it take 1 man to build the wall working at the same rate?

44. ## chemistry

Oh my my test is coming up and I have no idea how to do these questions and when I asked my teacher for help he said you should do it yourself.... Thanks! An intermediate step in the production of battery acid, sulfuric acid, invoves the information of

45. ## Math

You are about to factor a quadratic equation involving some x_'s, some x'x and a plain number. You see that the sign in front of the x's is negative, and the sign in front of the plain number is positive. This tells you that when you find the two brackets

46. ## Math

How do I break this down to factor it? 2x^2+13xy+15y^2

47. ## CALC I

z=cos(4 theta) what is the derivative. I know that the derivative of cos is -sin, but what do i do with the 4 theta. does that just become 4?

48. ## Calculus

How do I use the chain rule to find the derivative of square root(1-x^2) also, are there any general hints or tips for determining when the chain rule and product or quotient rule should be used?? i'm having trouble discerning when both the chain rule and

49. ## physics

A 1 kg steel ball strikes a wall with a speed of 9.99 m/s at an angle of 55.1 ◦ with the normal to the wall. It bounces off with the same speed and angle. If the ball is in contact with the wall for 0.292 s, what is the magnitude of the average force

2x + 5 - 7x = 15

51. ## electronics

Why does AM radio fade out when you are under a bridge but FM does not?

52. ## math

the chiring rate of crickets of some species is related to temperature, and the relationship appears to be very near linear. A cricket produces 113 chirps per minute at 70 degrees farenheit and 173 chirps per minute at 80 degrees farenheit. wht's the slope

53. ## help

7w/15x times 6wx/w How do I work this one

54. ## English

To which floor do you have to go to buy gloves in Sunny Department Store? To which floor do you have to go to buy gloves at Sunny Department Store? -------------- Are the sentences correct? Which preposition do we have to use, in or at? Are both OK? Which

55. ## Geometry

how do you solve for endpinnts??? My teacher dosn't explain it good and I doon't get it. Help Please!

56. ## english

What are the differences between premodern and modern reporting styles. A headline and the first two or three sentences of the news article that would carry the story of that event in premodern style A headline and the first two or three sentences of the

A bird accelerates from 5 m/s,north to 25 m/s,north in 4s. A) What is the bird's acceleration vector? B) How far and in what direction does the bird travel in this interval? C) What is the bird's average velocity?

58. ## math

when using a calculator to find the square root of a number, which of the following is the correct sequence of steps? a. 1 enter the number 2 press the x2 (x-squared) key b. 1 press the x2 (x-squared)key 2 enter the number 3 press the equals key c. 1 press

59. ## History

What role does slavery play from the formation of the nation to the 1840s?

60. ## Pre-Calculus

I am in Honors Pre-Calculus and am having a hard time understanding my teacher. I feel so stupid. Does anyone have any suggestions on a website that might give me some insight into what I am doing wrong? Thanks!

61. ## Algebra

How do I graph a linear equation?

62. ## Economics

Suppose you have an industry with 20 firms and the concentration ratio is 20%. How would you describe this industry?

what is the predicate for the following sentence: China is one of the worlds biggest countries

64. ## math

which of the following is the smallest? a. one inch b. one centimeter c. one meter d. one kilometer

65. ## Math

You are given two equations which are both true, and you are asked to solve for both x and y. You plan to solve this set of equations by substituting part of one equation into the other so you end up with an equation that contains only x's or only y's. The

66. ## chemistry

what is a summary of observed behavior? maybe im thinking about it too much and its simple but im lost! HELP

67. ## math/algebra

Can I express the difference of these two fractions as one fraction in simplest form...How can I do this... a/15 - b/5

68. ## music

*has chininse music influenced western music?and why? *Have any of china's traditional instruments been “westenised”?which ones? *Is there a particular piece of music that is used for special ceremonies or events in china?

69. ## math

Could you please solve so I can double check my answers for the practice quiz? Thank You!! 1. Solve x^3 + 6x^2 + 13x + 10 = 0. a) –2 + 2i, –2 –2i, –2 b) 2 + i, 2 – i, –2 c) –2 + i, –2 – i, –2 d) 2 + 2i, 2 – 2i, –2 2. Find the

70. ## Spanish

I have to study for a spanish quiz on these legends in this book called: Leyendas Latinoamericanas By Genevieve Barlow I have to know what happened in all of the stories in it by tomorrow and I want a summary on them but I don't know where to look. I don't

71. ## Social Studies

What are the methods or ways each group hoped to accomplish the changes they felt were necessary and state what each hoped to achieve. - Utopian Socialists - Revolutionary Socialists - Evolutionary Socialists

72. ## journalis

ok so i have asked help already on this same article but i need help making this paragraph better and more understanding. Soccer is a simplier game. The goal of the game is for the players to kick the ball into there teams net and there are more plays

73. ## Logic

I need help with these advanced excercises in logic. They're really hard, and my teacher said they should take at least a month. Here's just one, if you can show me how I'm sure I'll be able to get the rest of them. There's apparently rules and stuff. I

74. ## code of ethics

I am working on a paper about ethics in professional healthcare/medicine. It is difficult for me to word it properly, but here goes: Is "the right to die, or assisted suicide a question of ethics-or a moral dillema that healthcare professionals face?

75. ## physics

The melting point of helium is -269.65°C, and the boiling point is -268.93°C. I have to convert these to K I get 3.5 and 4.22 When I plug these in it saYs i am within 10% of the answer I don;t no what else to put?

76. ## english

We have to do an oral commentary and analyze an poem that can be related to structuralism. We read a book called the educated imagination, and that book explains the idea of structuralism. Can somebody please suggest an poem that would be good for this

77. ## Spanish

What are some ways (in Spanish) to change the names of your friends to express affection?

it cost \$0.38 to produce and mail a newsletter.each week,475,000 newsletters are mailed to subscribers. about how much does it cost to produce and mail the newsletter each month

79. ## Medical Language

Could someone please help me with this I have been working at this for a few hours now. A. Use the word bank below to build the medical word that corresponds to each definition in problems 1-16. Word parts may be used more than once. Click the grey box to

80. ## chemistry

ok so im learning about physical and chemical change and im just lost. like for instance, if u are cooking an egg would it be physical cuz it changs from a liquid to a solid?

81. ## math

Could you help me with this homework? Find 4 possible data points with a mean of 8. Is it like 6+9+9=24/3=8 thank you for your help.

82. ## geometry

hi! ok so im stuck on thes problems. the question is the variable expressions represents the angle measures of a triangle. find the measures of each angle. ok so the first one is m

83. ## science

This is because the energy from the sun is __________ the water up. Is this heating?

What are three Jamestown difficulties?

85. ## language arts

How can English language arts teachers create a literacy-rich environment in their classrooms?

86. ## science

OK,the question is what three statements that define all living things in terms of a cell? crossword puzzle! Anna

87. ## English

In Western culture when people do shopping, they make a shopping list beforehand, or they use discount coupons. ------------ Is the expressions above grammatical?

88. ## government

What is the newest government agency formed just earlier this week?

89. ## geography

Geography of Greece. How did it affect the people living in the region?

90. ## Math

How many solutions do Most quadratic equations have/ Is it 4

91. ## Math

When factoring a trinomial that is in the format Ax^2 + Bx + C, the number that is represented by B should be viewed as the _____? a. product of two numbers b. the sum of two numbers c. square root of two numbers d. remainder of two numbers I believe it

92. ## integral calculus

pls solve this problem using integration.. A Force of 25N is required to stretch a string from natural length of 12cm to 13cm. Find the Work done in stretching it from 13cn to 14cn. Thanks a lot :)

93. ## chemistry

what is a compuond?

94. ## history medieval europe

I have to make some replica artifact (medieval model) eg med map, peasants hut,med village or something along those lines, whats easy and how do I do it, PLEASE....

95. ## Algebra

Okay the question is: What is the area of a right triangle whose perimeter is 36 and whose sides are x, x+ 3, and x+6? So far I've gotten x= 9 but I don't know what the height is and I need to know that to get the area.

96. ## geometry

measures of a triangle. m

97. ## Social Studies

There are a large number of supporters for both the command economy and the welfare state. A question arises as to which system is better. Suppose you are required to support the position that the command economy is vastly superior. State some arguments

98. ## Math

how do I go about trying to solve this problem (6 square rootof 5 +2 square root of 7)

99. ## ecology&enviroment

How would you suggest solutions to: the use of smarter technology to reduce global emission?

100. ## Science

I can live in both fresh water and salt water. When full grown, I migrate long distaces to my place of birth. What am I?

101. ## Studying for Calc

I have a quiz on derivatives coming up and I really want to do well, but i'm not sure how to go about studying calc. i have no trouble studying for other subjects, but i'm doing poorly in calc and i need to make some changes in my study habits. any

102. ## science (chemistry)

how do oxygen, and hydrogen combine

103. ## Math

how do I start to solve this 3y^2+17y+20=

104. ## math

Which of the following is an example of a binomial? A. 2y b. 2x + y c. 2xy d. none of the above I believe the answer is B

105. ## Math

Cross multiplication means that you multiply? the numerator on the left side by the denominator on the right side, and the denominator on the side by the numerator on the right side (is this corect)

106. ## science

You have a plastic tray with cold water in it and then you have three cups holding it up and one cup has hot water in it. You put dye in the cold water on top of the hot water. Why does the dye move away from the hot water?

why is electricity able to pass through a penny, nickel, and a dime but can't pass through paper, foil, and plastic?

109. ## Biology

How do you calculate the critical value of X^2 at the 5% level of significance in a chi squared? And how do you calculate the degree of freedom? The textbook wording makes no sense and doesn't show it fully and I've read it over at least 10 times now to

110. ## algebra

Create your own number game using the rules of algebra and post it for your classmates to solve. Be sure to think about values that may not work. State whether your number game uses the skill of simplifying rational expressions

111. ## Science

1.How do a flounder's color protect it from enemies? 2.What is a characteristic of all instinctive behavioral adaptations? 3.When do the seeds of many desert wildflowers sprout? 4.Why did dark peppered moths out survive light moths when soot darkened the

112. ## math

i kinda need help with these 2 please: assume (y) varies direcly as (x) if (x)=32 when (y)=6, what is the value of k? and (y) varies directly as (x) find the constant when (x)=0.5, and (y)=0.3 and can someone also explain what they mean by find the

113. ## spanish

HOW DO YOU SAY IT'S 2:45 ON THE DOT

114. ## Math

Are there any prime numbers divisible by 2? Explain.

115. ## algebra II

How do you know if a quadratic equation will have one, two, or no solutions? How do you find a quadratic equation if you are only given the solution? Is it possible to have different quadratic equations with the same solution? Explain. Provide your

116. ## Math

Solve the following -2 + 5= the answer is +3

117. ## Math

Multiply the following (x + 3)(x + 4) would it be x2 + 7x + 12

118. ## Environmental Studies

What is the difference between proximate and ultimate analysis

119. ## Math

If it takes 50 eggs to bake 90 cakes using a large comercial barkery's recipe. Using the same recipe, how many eggs will be needed to bake 400 cakes. I came up with 222 eggs is that correct?

120. ## college

What are the subject matter discussed in Technology and Livelihood Education?

121. ## math

You want to install kitchen floor tiles that each measure 12 inches by 12 inches (1 sq. foot). Your kitchen measures 12 feet by 14 feet, but there is a 2 foot by 4 foot area around the sink that will not be tiled. How many tiles do you need?

122. ## math

Addition and subtraction are examples of what are best called ____ a. variables b. terms c. equations d. operations I believe the answer is is B terms

123. ## physics

Larry leaves home at 2:08 and runs at a constant speed to the lamppost. He reaches the lamppost at 2:15, immediately turns, and runs to the tree. Larry arrives at the tree at 2:29. What is Larry's average velocity during his trip from home to the lamppost,

124. ## math

What is the equation for terms 1 2 3 4 5 6 499 498 497 496 495 494 and what is the 40th term?

125. ## college - visual arts

Is there a model to measure the letters/fonts so that each letter is the same size? Or, do I need to measure each letter individually? Thanks.

126. ## medical

who invented the use of medical abbreviations?

127. ## Spanish

How do you say. "they were one of the first latin rock bands in colombia" in spanish?

128. ## Math

When you multiply a positive number by a negative one, what is the sign of the answer? a. always negative b. always positive c. always the same sign as the larger of the two numbers d. always the same sign as the first of the two numbers I believe the

129. ## Calculus

If d/dx(f(3x^5))=9x^4, find f'(x) I can't figure out what this means

130. ## math

10 dots in five rows of four

131. ## Finance

describe the relationship between the coupon rate and the required rate of return that will result in a bond selling at: a - a discount b - face value c - a premium

132. ## visual

I need some explanation about fonts and how to use them. Need to complete an assignement requesting that fonts are used for shpwing contrast in 7 dimensions. My problem is that I don't know how to determine the size of the letters by using a formula. I

133. ## GBE (Genetics)

What are the advatages of Eukaryotic genes splitting up? I'm not so sure how to approach the question, is it something to do with exons & introns or the nucleotide sequences?

134. ## Math

How have proportions been useful to solve various math problems that we have studied?

135. ## history

Why did the cowboys go west?

136. ## math

In the term 21y, what is ther literal coefficient? a. 2 b. 21 c. 21y d. y I believe it is y

137. ## Math

This site is great

139. ## computers

Write a vulnerability assessment report for an urban medical clinic serving low-income clientele as if you were a consultant. The clinic is located in the hot, dry desert region of Southern California, in a high-traffic, high-crime area.

140. ## Math

Simplify the following equation (-2)(-2)= I believe the aswer is -4

141. ## algebra ll

i answersd this question and i got it wrong i don't know why if you can answer it and show the work so ican understand thank you. evaluate h(negative2/3) if h(X)eqauls [[x minus 2. my answers is (negative 2/3)minus 2)

142. ## ACC220

select a management !@#\$%^&tion (planning, directing and motivating,or controlling)and explain how that function relates to business as a whole.

143. ## geometry

2 3 6 1 8 6 8 4 8 4 3 2 3 2 3 ? can somebody pleeease find the next term??

144. ## criminal justice

how crime statistics may be manipulated? Why does this matter?

145. ## math

when using a calculator to find the square root of a number, which of the following is the correct sequence of steps?

146. ## Math

How many solutions do Most quadratic equations have? Is it 2

147. ## Math

Base fee is 16.99 and a additionalcharge of .77each mile and he had to pay 133.26 how many miles did he drive the truck? Do I take the 16.99 from the 133.26 which is 116.27 then divide that by .77 which would be 15.1

148. ## math

which of the following involves a process of "trial and error"? a. simplying fractions b. changing percentages to decimals c. metric conversions d. reading musical notes

149. ## math

to solve an equation, it is sometimes helpful to ____________, the original operation. a. redo b. undo c. imitate d. expand I believe the answer is undo B

150. ## Grammar

in the sentence My favourite part of the week my is a determiner; favourite is a modifier; part is a noun; of the is a post determiner; week is a noun; Is that correct?

151. ## Math

When two numbers are compared by the process of division, this is called a________? a. ratio d. product c. coefficient d. percentage I believe it is C

152. ## Social Studies

Why is it important to learn about different types of socialism? What significance do they have to the world community?

153. ## injuries

A fitness professional will most likely refer a student or client to a _______ to treat tight muscles that can pull bones out of alignment

154. ## 6th grade com arts

we had to do anzlogies i.e. ball : bouncy : glue : sticky The next part is "sort the answer words by suffix" What does that mean?

155. ## Science

What is the difference between potential & Kinetic energy??!

156. ## Math

write without Parenthesis: (w^2) ----- ^2 (-2v)

157. ## Algebra

If (x+2)² = 25 and x > 0, what is the value of x? I have no idea what to put for x, if someone could please show me the steps ?

158. ## Math

7w 6wx === x === = 15x w Do I start by elimating the w?

159. ## Math

Addition and subtraction are examples of what are BEST called _________? a. variables b. terms c. equations d. operations Answer would be D

160. ## language arts

How can these teachers overcome obstacles to literacy or resistance on the part of students?

What did Henry Hudson negotiate with his crew and the natives?

162. ## 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?

163. ## INvisible man

Is the brotherhood in the book invisible man, a white brotherhood or black?

Hey I have an exam tomorrow and I cant understand this things.. Help me please .. 1: Derivative using the limit concept 2: Determine a Derivative using the theorems. 3:Evaluate velocity at the beginning and at the end 4: Using implicit derivation and find

165. ## Math

Perform the following multiplication (x + 4)(x + 5) x2 + 9 + 20

166. ## Math

Put in simplest form withoiut parenthesis: (w-2)(w+1) Is this right w^2-2+1

167. ## Geography

If it was 8:00am in Greenwich England what time would it be in Vancuver Canada? That is my question---I had written it out on a test but got the answer wrong and now that I'm trying to study I don't know the answer. Is is 12 am or 12 pm? Thanks!!

168. ## Language Arts, Verbs

i don't understand transitive and intransitive verbs. could you help?

169. ## Gil

A bike shop has 8 red, 5 blue, 12 black, and 9 white bikes. Write an expression that shows how many more black bikes than red bikes there are.

170. ## Math

Which of the following is NOT a possible set of whole number factors of +24? a. -4 and - 6 b. 12 and 2 c. 24 and -1 d. 8 and 3 I believe the answer would be A

171. ## physics

You are driving to the grocery store at 12.2 m/s. You are 193.0 m from an intersection when the traffic light turns red. Assume that your reaction time is 0.790 s and that your car brakes with constant acceleration. How far are you from the intersection

172. ## Math

write in scienctific notation: 0.003191

173. ## Math

Which of the following is NOT a possible set of whole number factors of +24? a. -4 and - 6 b. 12 and 2 c. 24 and -1 d. 8 and 3 a = -4 x-6 = 24 b.= 12 x 2= 24 c = 24 x -1= -24 d = 8 x 3=24 SO THE ANSWER WOULD BE C?

174. ## Math

By how many degrees Fahrenheit do the frezzing point and the boiling point of water differ?

175. ## Science

I do not have shape or volume. You cannot see me, but i fill any container in which i am placed. I have weight, but you cannot hold me.What am I? Is it air?

176. ## algebra

(6t)^2+(10t)^2=(270)^2

177. ## Math

Solve for x: 3x = (96 -75) I believe x= 7

178. ## algebra

Express the difference of these two fractions as one fraction in simplest form: a/15 - b/5

179. ## education

What are some factors that contribute to the disproportional representation of minority students in special education classes?

180. ## Math

D= M+Q/2 Solve for m

181. ## math

I don't get these concepts for fractions example find each missing number 6 2/5 = 5 _?_/5 write each answer in the lowest terms subtract 12 1/3 - 9 2/3 ________

182. ## french

how do you say it is important that friends are happy for each other is it like this? il est important que les amis sont heureux l'un pour l'autre

183. ## Math

Simplfy the following (x^2-9x+9)-(-2x+4)+(6x^2-7x-5) solution: x^2-0 -x+2+ thats as far as I got

184. ## math

hi, can someone check these answers for me 1.8-13=-5 2.-4-10=-4 3.5-24=-19 4.7-(-3)=10 5.-2-(-6)=4 6.-18-(-7)=-11 thanks

185. ## Social Studies

Explain two reasons why socialists often say that capitalism is a morally unjustified system.

186. ## Com Arts

I have the same question as Jake... trees : leaves : states : ? The answer has 6 letters, the thirs letter being a "t". Does anyone know?

187. ## real estate

How has Donald accumulated his wealth? What are his credentials (educational background, work experience)?

188. ## earth comm/earth's fluid spheres

how severe is thunder storms?

189. ## math

When two numbers are compared by the process of division, this is called a________? a. ratio d. product c. coefficient d. percentage so the answer would be A

190. ## Math

The diameter of the bicylce tire is 27inches.How many times will Kai'S wheels have to turn to cover 1 miles?

191. ## english

does odysseus do willigly?

192. ## social studies

WHAT IS THE TROJAN WAR?

193. ## history HHHEEELLLPPP!!!

did the railroad workers go west for job opportunities and technological advances?

194. ## science

what happens when a candle burns

195. ## math

My daughter has to write two expressions for t/12....HELP!!!

Can you give me an operation sign?

In an experiment, a car taveling at 88m/s,west slams into a wall and comes to a halt in 0.75 seconds. What is the car's acceleration vector?

198. ## grammar

What is the simple subject of the following sentence? I am thinking it is "part," but it also seems like it could be "park." A large part of the park is under water.

199. ## Math

When two numbers are compared by the process of division, this is called a________? a. ratio d. product c. coefficient d. percentage I believe it is C

how does osmosis explain the fact that a watery syrup forms when you put sugar on strawberries?

201. ## science

how does osmosis explain the fact that a watery syrup forms when you put sugar on strawberries?

202. ## Argumrnt Validity

Critical thinking quiz question: Plants wilted after 5 minutes when the room condition has additional heat,light, and fan.

203. ## Math

Solve for x in the following: 3/14 = x/84 the answer would be x=18 right?

205. ## history

what are two reasoms why the railroad workers went west?

206. ## football

how would this be organised and what kind of funding would be used. thanks you.