# Questions Asked onMarch 13, 2014

1. ## Math

How do you factor this? 4x^2 - 21x - 18?

2. ## Science question, only 1

Which of the following explains why water is a limited resource? Water is present on Earth in a fixed amount that does not change. Water is degrading slowly with time. Only water not present in oceans is available for living things to use. Once it ends up

asked by Princess Anna

37. ## Physic II

Suppose a capacitor of C=2.0 uF with no excess charge on it is suddenly connected in series with a resistor of R=447 ohms , and an ideal battery of voltage V=25 V . How long will the capacitor take to gain 80% of the charge it will eventually have when

38. ## Physic II

Suppose a capacitor having a capacitance of C fully charged to a voltage V and then discharged through a resistor R. Derive the equation (in terms of C,V,and R) that shows how long a time the capacitor will take to lose 45 % of its charge.

39. ## Plz help me.

Which of the following explains why your body may contain a carbon atom that was present in George Washington’s body in 1776? (1 point) Carbon moves in a one-way direction through living organisms only. Carbon moves in a one-way direction from the

40. ## Check my social studies(PLEASE)

1.D 2.D 3.C 4.A 5.C 6.A 7.B 8.B 9.D 10.A 1. Which natural diasaster poses the most common challenge to central america and caribbean? A. tornadoes B. hurricanes C. floods D. drought 2. Corn cultivations alow the maya civilization to become powerful by A.

41. ## life orientation

What,according to the basics conditions of employment Act applies with regard to the contraventions that identified?

42. ## general

In which site i will get free cogat download printables questions for 3rd and 4th grades

43. ## math

Jana is going to install ceramic tiles in her kitchen. It measures 13' 3" by 12' 6". How many square feet of tile does Jana need? a.) 142.38 square feet b.) 143 square feet c.) 140.625 square feet Can you please show me how you got your answer

44. ## Physical Science

X-rays can take pictures of your bones but visible light cannot. Explain why. Homework question, please and thank you!

45. ## science one question?

3. Which of the following is an example of a SI unit for distance? (1 point) mile meter second inch

46. ## S.S

Immigrants from Central and Eastern Europe came to the Canadian Plains in the late 1800s and early 1900s in response to an offer of :free land in the Prairie Provinces In 1858, what event significantly changed life on Vancouver Island? the discovery of

47. ## Psychology

What is the definition for "Practical problems" and "Ethical problems"

48. ## science one question

2.Which of the following would be affected if a soaring eagle changed direction but remained at a constant speed? acceleration only velocity only*** acceleration and velocity neither i don't think it would be acceleration since the eagle stayed at a

49. ## math

You roll a number cube numbered from 1 to 6. what is the probability you roll a number divisible by 4? Answer: I think 2/6 or 1/3 A number from 16 to 23 is drawn at random. what is the probability you draw a number greater than 18? Answer 5/7 A jar

50. ## math

A jar contains 21 brown, 4 violet, and 6 white marbles. A marble is drawn at random. what is the probability you will not draw a white marble? Answer 6/31 A jar contains 6 pink, 7 violet, 26 green, and 13 blue marbles. A marble is drawn at random. what is

51. ## Science

1. Of the following, the only change that is an example of a chemical change is — A. water evaporating from a puddle B. an iron nail rusting and turning an orange color C. a piece of paper being cut into smaller pieces D. a stick being broken in half 2.

52. ## S.S (DAMON)

please check these answer damon or anyone else 1. A tropical climate is key to which economic activity in the lowlands of central emerica and the carribean? A. commerce and manufacturing B. production of cash crops C. animal husbandry D. mining 2. Which

53. ## science

3. A section of the Periodic Table of the Elements is shown. Based on the positions of the elements, the two elements that have the most similar chemical properties are — A. calcium and scandium B. calcium and titanium C. titanium and vanadium D.

54. ## Global Studies

Although fish is the Atlantic provinces' most abundant natural resource, what caused cod fishing to be banned throughout Canada in 2003? a. A disease killed all the cod b. People stopped eating cod c. Gas-powdered fishing boats were outlawed first d.

57. ## Probability - Math

According to the record of the registrar's office at a state university, 35% of the students are freshman, 25% are sophomore, 16% are junior, and the rest are senior. Among the freshmen, sophomores, juniors, and seniors, the portion of students who live in

58. ## Science

What happens when yeast and hydrogen peroxide are mixed together? What happens when yeast, hydrogen peroxide, and dish soap are mixed together?

59. ## science

5. What is the net force acting on the object below? (1 point) its two 5N arrows pushing a block to the right, like this 5N -----> and the block is here 5N -----> and the block is here 0 N 5 N 10 N 25 N do u multiply, add or what???

60. ## math

A jar contains 25 green and 17 purple marbles. A marble is drawn at random. P(not a 23). Answer 17/42

61. ## algebra

Your research the average cost of whole milk for several years to look for trends.the table show your data what is the equation for a line of best fit how much would you expect to pay for a gallon of milk in the year Year 1998-2000-2002-2004-2006-2008 Cost

62. ## S.S (DAMON)

1.B 2.A 3.D 4.B 5.B 1. A tropical climate is key to which economic activity in the lowlands of central emerica and the carribean? A. commerce and manufacturing B. production of cash crops C. animal husbandry D. mining 2. Which country has the regions most

63. ## math

A jar contains 6 pink, 7 violet, 26 green, and 13 blue marbles. A marble is drawn at random. P(violet, pink, or blue). V = 7/52 P = 6/52 B = 13/52

64. ## Linear Algebra

I need help please!! How many solutions does the system of equations have? 2x=-10y+6 and x+5y=3 a. one b. two c. infinitely many d. none y=4x+3 and y=4x+4 a. one b. two c. infinitely many d. none x-4y=12 and y=1/4x-3 a. one b. two c. infinitely many d.

65. ## Physics

If you wish to warm 100 kg of water by 20° C for your bath, show that 8370 kJ of heat is required.?

66. ## math

A number from 20 to 30 is drawn at random. P(not a 23) I think 1/11

67. ## math

A jar contains 21 red, 4 black, 12 orange, and 18 pink marbles. A marble is drawn at random. P(black) I think 4/55

68. ## math

A number from 21 to 30 is drawn at random. P( a number less than 24) I think 3/10

69. ## algebra

What is the slope of the line 4x + 6y = 12

70. ## math

A jar contains 25 navy, 21 white, 13 purple, and 7 brown marbles. A marble is drawn at random. P(purple or navy) I think 38/66

71. ## math

A jar contains 8 red, 24 purple, 18 violet, and 24 yellow marbles. A marble is drawn at random. P(yellow) I think 24/74

72. ## Which compound is made up of three elements?

Which compound is made up of three elements? A. H2O2 B. CaCl2 C. HNO3 D. Na2O

73. ## Geometry

Find the area of the composite figure(right triangle), where the hypotenuse is 13m, base is 12m and the height is not given?

74. ## S.S (DAMON)

1.A 2.C 3.A 4.B 5.D 6. How are natural disasters,like hurricanes and earthquakes,a threat to biodiversity? A. they destroy natural habitats,such as coral reefs,as well B. many of the regions residents lose their homes or businessses C. They are very

75. ## math

A jar contains 21 brown, 4 violet, and 6 white marbles. A marble is drawn at random. P(not white) I think 6/31

76. ## English

This is for my online class. I need help on making sure this is up to standards for the assignment The way that I have studied in the past was to write my notes in my own type of shorthand, I was able to write a good amount of information this way. I

77. ## math

A number from 16 to 23 is drawn at random. P(a number greater than 18) I think 5/8

78. ## math

You roll a number cube numbered from 1 to 6. P(2) I think 1/6

79. ## math

5x^2 + 4x = 1

asked by EMILYS MOM
80. ## math

x^2+x-4=0

asked by EMILYS MOM
81. ## science (check answer?)

What does aluminum, germanium, and polonium have in common? A. They are gases. B. They have properties of metals and nonmetals. C. They are all metals. D. They have the same properties as the noble gases in the last column. (I think its B.)

82. ## phys

A 1000-kg airplane moves in straight flight at constant speed. The force of air friction is 1800 N. The net force on the plane is

83. ## business law

Fortune 500 company that sells computer chips. A little company in the mid-west keeps underselling your company’s product. In response, you lower your product’s price, but only in the mid-west. The U.S. government declares that your company is in

84. ## S.S (DAMON)

1.B 2.A 3.A 4.D 5.B 11. what country became an ally to cuba after castro took power? A. Sovient union B. panadma C. britain D. spain 12. Which event caused the U.S. to enforce an embargo on cuba? A. castro turned cuba communist B. castro banned all trade

85. ## math

You roll a number cube numbered from 1 to 6. P(a prime number) I think 3/6 or 1/2 P(not a 6) 5/6 P (an even number) 3/6 or 1/2 P (3,6,5,2, or 4) = 5/6

86. ## Damon/ Math

A jar contains 21 brown, 4 violet, and 6 white marbles. A marble is drawn at random. P(not white) I think 6/31 YOU DIDN'T SAY IF IT WAS CORRECT OR NOT

87. ## MATH

A number from 16 to 23 is drawn at random. P(a number greater than 18) I think 5/8

88. ## math

asked by EMILYS MOM
89. ## science motion short answer

9. Provide three statements that demonstrate the importance of units when describing motion. (3 points) i dunno wut they r askin... so..... if u can help, 3 sentences would be gr8 pls help asp thx

90. ## Physics

A swimming pool has dimensions 26 m x 32 m and a flat bottom. When the pool is filled to a depth of 3 m with fresh water, what is the total force due to the water on the bottom?

91. ## S.S (DAMON)

can anyone explain the advantages and disadvantages for interdependence

92. ## History--Correct 1 question please? :)

Which statement below best describes Cincinnatus and Julius Caesar? A. Both men put the welfare of the Roman Republic above their own personal success and both obeyed the Senate in time of crisis. B. Cincinnatus accepted the role of dictator in a crisis

93. ## Chemistry

I tried working this question out with the help already provided, but I couldn't ever get the right answer. If you could possibly explain how to do the problem step by step and include the right answer, I'd greatly appreciate it. Thanks! What mass of

94. ## MATH

You roll a number cube numbered from 1 to 6. P(a prime number) I think 3/6 or 1/2 P(not a 6) 5/6 P (an even number) 3/6 or 1/2 P (3,6,5,2, or 4) = 5/6

95. ## English III

1) Which line from "Totally like whatever, you know?" represents the poet's ability to apply proper use of syntax? (4 points) Even when those sentences aren't, like, questions? You know? That we've just gotten to the point where it's just, like . .

96. ## Phsyics

Determine the absolute pressure at the bottom of a lake that is 66.1 m deep. Write your answer correct to two decimal paces let Patm = 101,300 Pa

97. ## History

Mark the statement if it describes Roman society during Julius Caesar’s time. A. Wealthy individuals owned and controlled most of the land. B. Few people were living in the cities. C. The government of Rome was corrupt. D. Civil war broke out. E. Romans

98. ## chemistry

A student decomposes water to produce hydrogen and oxygen. If the student begins with 34.7 g of water and collects 24.9 g of oxygen, what is her percent yield?

99. ## Science

In what direction does an applied force move an object? It moves opposite right?

100. ## Science

Which of the following is not an example of work? A. raising a barbell over your head B. picking up a box off the floor C. holding a tray in the cafeteria line D. pushing a box across the floor I think its C.

101. ## MATH

A jar contains 10 green, 6 white, and 11 brown marbles. A marble is drawn at random. P(brown or white) I think 17/27 A number from 16 to 28 is drawn at random. P(an even number) I think 7/13

102. ## math

A container has 26 orange, 23 pink, 16 blue, and 24 violet marbles. A marble is drawn at random. P(violet) I think 24/89

103. ## Science

Which of the following statements about continental glacial movement is correct? A. continental glaciers can only flow uphill b. continental glaciers can flow in all directions c. continental glaciers can only flow downhill d. continental glaciers do not

104. ## Pre-Calculus

Find the rectangular coordinates of the point with the given polar coordinates. (3, 150°)

105. ## question

Which organisms are capable of converting gaseous nitrogen in the air into a form that other living organisms can use? nitrogen-fixing bacteria denitrifying bacteria decomposers producers***

106. ## Pre Calculus

Write the rectangular equation in polar form... x=3

107. ## Science

What is the composition of the A horizon ? a. topsoil b. subsoil c. bedrock d. water Either b or d? ^^

108. ## math

you roll a number cube numbered 1 to 6. P(a number divisible by 4) I think 3/6 or 1/2

109. ## Pre-Calculus

Find the polar coordinates of each point with the given rectangular coordinates. Use degrees. (-4,-3)

110. ## Science

Which of the following statements about continental glacial movement is correct? A. continental glaciers can only flow uphill b. continental glaciers can flow in all directions c. continental glaciers can only flow downhill d. continental glaciers do not

111. ## Pre-Calculus

Write the polar equation in rectangular form... r=5sintheta

whiich of these fit together A. lipase B. nuclease C. pancreatic amylase D. pepsin bread crumb stuffing butter mashed potatoes turkey

113. ## MATH

Write probability as fraction 1. Sam flips two coins. Find probability of 1 head and 1 tail. I think 2/4 or 1/2 2. You roll 1 number cube to show an odd number. I think 3/6 or 1/2 3. Sheila has 8 apples; 5 of them are red. I think 5/8 4. Of 12 books, 3 are

114. ## S.S

can anyone explain the advantages and disadvantages for interdependence

118. ## CALCULUS ECONOMICS

Consider a market in which aggregate demand is given by 1000−10p, and aggregate supply is given by 10p, where p denotes the market price. QUESTION: What is the maximum amount of revenue that the government can raise using a per-unit sales tax on

119. ## CALCULUS ECONOMICS

Consider an economy in which a monopolistic firm serves two identical, but separate markets, called A and B. The aggregate inverse demand in each market is given by 1000−q. The cost function for the monopolist is given by (qA+qB)^2, where qA andqB

126. ## math

Daniel flips 2 coins. Find the probability of the coins both coming up heads. I think 2/4 or 1/2 Serena has a bag filled with 10 breakfast bars. She knows that 1 of them is her favorite. Find the probability that she will select her favorite bar by

127. ## Science

Which best describes the similarities among elements included in the same column of the periodic table? A. They have the same state at room temperature. B. They have the same number of protons. C. They have the same number of electrons. D. They have

128. ## please check(Social studies)

can anyone explain the advantages and disadvantages for interdependence ANSWER:It is your ideology which makes things good or bad?Good and bad will go along each other and can not be separated because nothing is absolute in this world.Unless you realize

129. ## CALCULUS ECONOMICS

Consider a market in which consumption of the good being traded generates a positive externality. There are 100 identical consumers, each with a utility function given by (1/2)*(q^(1/2))+m +(G^(1/2)) where G denotes the total level of consumption in the

130. ## Physics

A rope is wound round a fixed cylinder of radius r so as to make n complete turns . Show that if one end of the rope is held by a force f, a force f e^2(pi)nu must be applied to the other end to produce slipping,where u is the coeff. of friction between

131. ## Language book

Hi i need help with this book called as for me and my house could you help me with this question When mrs. Bentley decides to plant a garden, the main problem is that according to propriety the mistress of the parsonage should not ___________ a.sow b.weed

132. ## CALCULUS ECONOMICS

Consider a market in which consumption of the good being traded generates a positive externality. There are 100 identical consumers, each with a utility function given by (1/2)*(q^(1/2))+m +(G^(1/2)) where G denotes the total level of consumption in the

133. ## MATH

Joe puts 5 books in his backpack as he leaves for school. He has 2 math books, 1 science book, and 2 history books. What is the probability that he will grab his science book out of his backpack without looking? I think 1/5 Jacquie has 4 sweaters that go

134. ## CALCULUS ECONOMICS

Consider the problem of a competitive firm which has fixed costs of $1000, semi-fixed-costs of$1000, and variable costs given by q2. QUESTION: What is the maximum market price at which the firm decides to supply zero?

135. ## CALCULUS ECONOMICS

Consider the problem of a competitive firm which has fixed costs of $1000, semi-fixed-costs of$1000, and variable costs given by q^2. QUESTION: What is the maximum market price at which the firm decides to supply zero?

136. ## Science: my answers

Which organisms are capable of converting gaseous nitrogen in the air into a form that other living organisms can use? nitrogen-fixing bacteria denitrifying bacteria decomposers producers***

137. ## math

what is volume of 72 with each dimension that is at least 2 feet

138. ## Dividing Polynomial

Please check. 1. (5x^3+x^2-7)/(x+1)= ? My answer: 5x^2-4x+4-11/x+1 2 (9x^3+5x-8)/(3x-2)= ? My answer: 3x^2+2x+3-2/3x-2

139. ## Which of the following is a compound?

Which of the following is a compound? A. O2 B. C60 C. CO D. Cu

140. ## math

Joe puts 5 books in his backpack as he leaves for school. He has 2 math books, 1 science book, and 2 history books. What is the probability that he will grab his science book out of his backpack without looking? I think 1/5 Jacquie has 4 sweaters that go

141. ## Science check my answers

Which step in the nitrogen cycle is accelerated at the beginning of the eutrophication process? denitrification*** nitrogen fixation producer uptake of nitrogen consumer decomposition Which of the following is carried out by denitrifying bacteria? break

142. ## Math - Answer Check

Dimensional Analysis 10. 17 cups = (8.5) pints 11. 18 pounds = (288) oz 12. 7.5 miles = (43650) ft 13. 32 quarts = (8) gal 14. 18 quarts = (72) cups 15. 180,000 inches = (2.84) miles 16. 4.5 tons = (144,000) oz

143. ## science URGENT so need help

PLS HELP ASAP True or False 1. If a 40 kg person is accelerating at 10 m/s2, then the magnitude of the force acting on him or her is 400 N. (1 point) true false Multiple Choice 2. How much force is needed to make a 60 kg object accelerate at a rate of 2.0

8x8=

145. ## Social studies check answers ***damon***

please check these answers 1.A 2.C 1. where would you most likely find south americas largest cities? A. Mountains B. rain forests C. coastlines D.deserts 2. how did human migration most contribute to ethnic diversity in south america today? A. people came

146. ## life orientation

three study fields/caree paths and two reasons for each

147. ## physics

A plane is found by radar to be flying 5.9 km above the ground. The angle of elevation from the radar to the plane is 78.6°. Ten seconds later, the plane is directly over the station. Find the speed of the plane, assuming that it is flying level.

148. ## math

What kind of graph would you use to show the number of twins born each year from 1997 to 2002? Explain your answer I don't know if it would be a bar graph or line graph.

149. ## Language arts: check my answers

For questions 7–15, rewrite each sentence, adding commas where needed. (7) While I was researching skateboards I found an interesting old newspaper story. (8) In the June 29 1999 edition of the Mercury there was an article on skateboarding. (9) Some

150. ## Math

A rectangular prism measuring 7 ft by 8 ft by 4 ft 224 ft3 112 ft3 232 ft3 116 ft3

151. ## Math

The population of humorville is 8500 people. In this town Jokes travel fast, in one hour, each person who hears a joke tells three other people who have not heard it, and tells no one else. Last Friday, a visitor from out of town told the police chief a

152. ## science pls help

i posted this earlier but got a confusing answer so pls help as best as u can asap! True or False 1. If a 40 kg person is accelerating at 10 m/s2, then the magnitude of the force acting on him or her is 400 N. (1 point) true false Multiple Choice 2. How

153. ## jiskha and other website question???

is there any other website like jiskha that you can post your question for free and don't have to give them your email? it doesn't have to be for homework of course though...???

154. ## Algebra

Find the equation in slope-intercept form of the line that is the perpendicular bisector of the segment between (-3,4) and (3,-8) Can you help me figure this out? Thank you!

155. ## Social Studies

I need to write a letter ( at least one paragragh) about applying for a job for Congress assistant. I must explain why Help

156. ## CHEMISTRY.

what would be the VSEPR shape of pyridine?

157. ## Social studies check answers ***damon***

1.B 1. where would you most likely find south americas largest cities? A. Mountains B. rain forests C. coastlines D.deserts

158. ## Math

Vicki bought an ice cream cake cut into 6 equal pieces. Vicki, Margo,and Elena each took 2 pieces of the cake home. Vicki says she and each of her friends took 1/3 of the cake home. Is Vicki correct? And

159. ## Physics

Consider the gravitational potential, kinetic, and total mechanical energies of a cart moving down an inclined ramp. (Also, let gravitational potential energy be defined to be zero when the cart is at the bottom of the ramp. A. Write an expression for the

160. ## Physics

Assume a spring has an un-stretched length Xo. Write an expression for the elastic potential energy of the spring in terms of the position of the end of the spring x and its spring constant k.

From the esophagus down, the 6-9 meter long digestive tube is made up of four layers: the inner (A)__________ of epithelial cells, a sub mucosa, smooth muscle, and serosa. Nutrients from the tube are absorbed across the layers into the bloodstream.

162. ## physics

A coin is dropped from a height of 40 meters. How fast is the coin traveling after 3 seconds?

163. ## Math. please

Find the volume of a square pyramid with a base length of 9 cm and a height of 4 cm. 324 cm3 108 cm3 36 cm3 152 cm3 Find the volume of a cone with a radius of 10 mm and a height of 6 mm. 628 mm3 600 mm3 1,884 mm3 1,254 mm3 Find the lateral area of a cone

164. ## Math

Why does a sheep scratch himself?

165. ## Chemistry

The data below has been taken for the reaction of a dye with the hydroxide ion. The reaction was performed at two different hydroxide ion concentrations while the dye concentration was kept constant. What is the rate law? [OH─] = 0.10 M [OH─] = 0.20 M

166. ## math

A submarine starts at a position relative to sea level of -45 meters. The submarine then changes it's position at a rate of -6 meters per minute. What is the submarine's position after 7 minutes? A. -3 meters B. -44 meters C. -58 meters D. -87 meters

167. ## Chemistry Help Please

1)how would the accuracy of your determined keq change if all your volume measurements were made with graduated cylinders rather than pipets ? 2) if all of the SCN^- was not converted completely to FeNCS^2+ when the calibration curve was prepared would

168. ## math

Sarah uses 3/4 pound of blueberries to make 2/3 cup of jam. How many pounds of blueberries does she need to make each cup of jam? A. 1/12 B. 1/2 C. 1 1/8 D. 1 5/12

169. ## Java

A company is supplying 5 types of soft drinks like Pepsi, Sprite, Orange Soda, Cherry Soda and a new lemon drink to different stores. The company has a new promotion which gives a free dozen of lemon drink and free dozen of cherry drink for every 24 dozen

170. ## English grammar

How would you diagram: the puppy's constant wimpering worried us

171. ## Science

how many moles of SO3 are produced from 3 moles of O2?

172. ## science

how many moles of SO2 are needed to make 3 moles of SO3?

173. ## Science

How many moles of O2 are needed to make 1.98 moles of SO3?

174. ## Science

How many moles of O2 are needed to react with 1.5 moles of SO2?

175. ## please check(Social studies)

please check my answers thanks 1. A 2. D 3. B 4. B 5. A 1. which geographic features lies east of the andes moutains? A. saltwater grasses B. active volcanoes C. llanos grasslands D. mangrove swamps 2. Which landform can be found in the andes mountains? A.

176. ## math

I need help on how to use a common denominator to write an equivalent fraction for each fraction?number 1 is 1/2,1/3 and number 2 is 7/8,3/10 please help

177. ## math

How Many Lateral Faces Does A Triangular Prism Have?

178. ## algebra

The table show the median home prices in Florida what is the equation of a trend line that models a relationship between time and home prices use the equation to predict the median home price in 2040? Year 1940 median price 23,800 Year 1950 median 40,900

179. ## Calculus Help

In the following x,y and (a) are all variables. Show steps please! Thank you! 1) y^2 = x^2+a^2 2) y^2+ay = x^2+ax+a^2

180. ## Chemistry

What is the mole fraction of NaOH in an aqueous solution that contains 33.4% NaOH by mass?

181. ## Chemistry

What are the molality and mole fraction of solute in a 32.3 percent by mass aqueous solution of methanol (CH3OH)? molality = ?m mole fraction =

182. ## World History

What two forms of Christians were found in Europe in 1,000?

asked by Ibrahim Barrie
183. ## science

One property used to broadly classify elements is malleability. If a substance is malleable, it can be hammered, shaped, and flattened without shattering. Which group of elements has this property? A. Metals B. Metalloids C. Nonmetals D. Noble gases

184. ## social studies(updated answers)

1.B 2.C 3.B 4.D 5.A 1. which geographic features lies east of the andes moutains? A. saltwater grasses B. active volcanoes C. llanos grasslands D. mangrove swamps 2. Which landform can be found in the andes mountains? A. savannas B. cordilleras C. deserts

185. ## Math

Write an integer that is represented by the bold words in the following sentence. The temperature dropped 17 degrees between noon and midnight.

186. ## math

how to use a common denominator to write an equivalent fraction for each fraction?

187. ## statistic

For each of the following, assume you are working with a standard deck of 52 cards. There are 13 cards (2,3,4,5,6,7,8,9,10, jack, queen, king and Ace) in each of four suits (Clubs, Diamonds, Hearts, and Spades). a. What is P(Club) when drawing one card? b.

188. ## chemistry

Can u show the solution to this problem? What is the mass of silver that can be prepared for 1.00g of copper metal Cu (s)+2AgNO3(ag)= Cu(NO3)2(ag)+2Ag(s)

189. ## Chemistry

Express the concentration of a commercial hydrogen peroxide solution, which is 3.0 (w/w), as a molarity. Show all work

190. ## Chemistry

How many moles of ammonia gas can be formed from the complete reaction of 44.8 liters of nitrogen gas at standard temperature and pressure (STP), according to the balanced equation, N2 (g) + 3H2 (g) arrow 2NH3 (g)?

191. ## Algebra

1) If N is the set of natural numbers that are factors of 18, represent this set in roster form. 2) Suppose U={1,2,3,4,5,6,7,8,9,10} is the universal set and A={1,4,5,9,10} What is A? 3) The wrestling team is holding a car wash. The teams goal is to raise

asked by Asia Powell
192. ## math

i need to draw a diagram to show the solution to 2.6/0.4. and explain what the quotient mean?

193. ## Algebra

1) There are two pet stores in zacharys town. There are dogs, cats, and hamsters at the first pet store. The second store has dogs, rabbits, and fish. Write a set that represents all of the different pets stores in the town. 2) of the 125 students in an

194. ## Math

The voltage (in volts) induced in a coil of wire is v = (2t + 1)^0.5. The current in the coil is initially 0.3 amps, and the inductance is 5H. What is the equation for the current in the coil?

195. ## Math help, anyone?

Find the volume of a square pyramid with a base length of 9 cm and a height of 4 cm. 324 cm3 108 cm3 36 cm3 152 cm3 Find the volume of a cone with a radius of 10 mm and a height of 6 mm. 628 mm3 600 mm3 1,884 mm3 1,254 mm3 Find the lateral area of a cone

196. ## Chemistry

Write the equation for the dissolution of NH4NO3 in water. If 5.95 mol of NH4NO3 are dissolved, how many total moles of ions are produced? Answer in units of mol

197. ## Chemistry

How many grams of a 17.7% potassium sulfate solution would contain 419.9 g potassium sulfate? Answer in units of g

198. ## Chem

A certain reaction has an activation energy of 66.58 kJ/mol. At what Kelvin temperature will the reaction proceed 4.50 times faster than it did at 289 K?

199. ## english

How do you classify the sentence: The hunting dog tracked the raccoon through the brush. A adj n/v a DO (p a op) Is this correct?

200. ## Practical English

A trip to the ocean can be a relaxing escape from the everyday pressures of life. A sailboat glistening on the horizon provides a mental escape to faraway places. The rhythm of the ocean beating against the sand is sedating music to a troubled mind. A

201. ## math

Limited liability of the owners means that the stockholders of a corporation share a personal liability for all debts of the corporation.

202. ## MATH_URGENT

Point X is on side \overline{AC} of \triangle ABC such that \angle AXB =\angle ABX, and \angle ABC - \angle ACB = 39 degrees. Find \angle XBC in degrees.

203. ## english

I have to classify this sentence: Wow!(I) I(sn)/saw(v) a(a) falling(adj) meteor(do) clearly(adv) during(p) the(a) night(op). Is this correct?

204. ## Earth science

1. Which of the following is not a natural cause of climatic change? A. Earth's tilt B. Solar activity C. Human activity D. Volcanic activity I think it is C

205. ## Earth science

The greenhouse effect is a result of A. consumption of fruits and vegetables that produce a biofuel. B. absorption and radiation of energy in the hydrosphere. C. absorption and radiation of energy in the atmosphere. D. consumption and radiation of energy

206. ## English

What are four things to look for when proofreading? My answers: Reading, grammar check, spelling check, and punctuation.

207. ## Algebra

1. How far is the Willis Tower from Navy Pier, given that each unit is approximately 1/8 mile? Round your answer to the nearest tenth of a mile. The Willis Tower is at the point (-6,-3) and NP is at the point (10,9). I did this calculation: d^2 = (10 -

208. ## pragati

the length of the fence of a trapezium shaped field ABCD is 130m and side AB is perpendicular to each of the parallel sides AD and BC. if BC=54m, CD=19m and AD=42m. find the area of the field.

209. ## math

Find the volume of the region obtained by revolving the area below about the line x=3. y = x3, x=2, y=0 Find the moment of inertia of this solid of revolution.