# Questions Asked onOctober 22, 2014

1. ## Chemistry

How much work must be done on a system to decrease its volume from 14.0 L to 5.0 L by exerting a constant pressure of 4.0 atm?

2. ## HEALTH AND P.E ONE QUESTION HELP!!!!!!!!!!

which of the following is not a cause of mental or emotional illness A.) Physical factors B.) heriditiy C.) Values D.) early experiences

3. ## Chemistry

Find the change in internal energy for this reaction. Enter in kJ. 2C2H2(g) + 5O2(g) → 4CO2(g) + 2H2O(l) Enthalpy of reaction= -2599 kJ

4. ## math

If the legs of a right triangle have lengths of 6 inches and 8 inches, what is the length of the hypotenuse in inches? A.11 B.13 C.10 D.16 Is the answer C?

5. ## COLLEGE PHYSICS

An internal explosion breaks an object, initially at rest, into two pieces. One piece (m1) is 1.5 times more massive than the other (m2). If 7500 J were released by the explosion, how much KE did each piece acquire?

Customers arrive at a movie theater at the advertised movie time only to find that they have to sit through several previews and prepreview ads before the movie starts. Many complain that the time devoted to previews is too long (The Wall Street Journal,

7. ## AS ORGANIC CHEM

An organic compound, X, will react with an excess of calcium metal to produce a salt with the empirical formula CaC4H6O4. What could be the identity of X? 1 ethanoic acid 2 butanedioic acid 3 methylpropanedioic acid With explanation please!

8. ## physics

The blade of a windshield wiper moves through an angle of 90.0° in 0.398 s. The tip of the blade moves on the arc of a circle that has a radius of 0.352 m. What is the magnitude of the centripetal acceleration of the tip of the blade?

34. ## pre calc

A coin is tossed upward from a balcolny 370 ft high with an initial velocity of 16 ft/sec. during what interval of time? will the coin be at a height of atleast 50 ft (h= -16t^2 +vot + h0) is the answer 0>= t

35. ## science

1. radioactive decay occurs when atoms A- lose mass * B- join with atoms of another element C- break down to form atoms of another element D- are exposed to chemical weathering 2. if you want to consult the geologic time scale for when the first

36. ## physics

a floor polisher has a rotating disk that has a 15cm radius the disk rotates at a constant angular velocity of 1.4rev/s and is covered with a soft material that does the polishing. An operator holds the polisher in place for 45s, in order to beff an

37. ## chemistry

Calculate ∆T for the reaction. Assume the initial temperature of both reactants is 25.0◦C. Calculate the volume of the reaction mixture. Calculate the mass of the reaction mixture. Assume the density of the mixture is 1.03 g mL^(-1). Calculate the heat

38. ## English

What is a good hook sentence for illegal immigration? I need a hook sentence that is able to grab the reader's attention and interest them.

39. ## science

1. radioactive decay occurs when atoms A- lose mass * B- join with atoms of another element C- break down to form atoms of another element D- are exposed to chemical weathering 2. if you want to consult the geologic time scale for when the first

40. ## Physics

A circular loop of radius 0.10m is rotating in a uniform magnetic field of 0.20T. Find magnetic flux B F through the loop and the magnetic field vector in Figure 1 a) Are parallel b) Are perpendicular c) Are at 30o (Ans: 0, 2.0x10-3Wb, 1.0x10-3Wb ) I need

41. ## Social Studies

Which factor best explains the climate distribution of northern Brazil? Being located at tropical latitudes The affects of the flow of cool ocean currents Distance from the continental shelf Elevation above sea level

42. ## Math

You have borrowed $135,000 from the bank today. You are required to repay this money over the next six years by making monthly payments of$2,215.10 at the end of each month. What is the quoted interest rate for the loan (with monthly compounding)? Please

43. ## PHYSICS

I AM SORRY I JUST HAVE ONE OF THE MOST HORRIBLE TEACHERS, AND I AM TEACHING MYSELF FOR I GET NOTHING IN CLASS. On an old-fashioned rotating piano stool, a woman sits holding a pair of dumbbells at a distance of 0.565m from the axis of rotation of the

44. ## accounting 100

Moteki Company accumulates the following adjustment data at December 31 Indicate the type of adjustment (prepaid expenses, accrued revenues and so on), and the status of accounts before adjustment (overstated or understated). (Enter answers in alphabetical

45. ## math

If the hypotenuse is 41 inches, and one of the legs is 40 inches, what is the length of the other leg in inches? A.65 B.57 C.25 D.9 Is the answer C?

46. ## earth

Broad areas of folded rock layers that resemble a bowl turned right-side up are called _____.

47. ## physics

A merry-go-round at a playground is a circular platform that is mounted parallel to the ground and can rotate about an axis that is perpendicular to the platform at its center. The angular speed of the merry-go-round is constant, and a child at a distance

48. ## physics

A rotating object starts from rest at t = 0 s and has a constant angular acceleration. At a time of t = 7.0 s the object has an angular velocity of ω = 16 rad/s. What is its angular velocity at a time of t = 14 s?

49. ## Chemistry

Energy in the amount of 420J is added to a 35g sample of water at a temperature of 10.0 C . What is the final temperature of water ?

50. ## physics

Superman must stop a 110-km/h train in 100m to keep it from hitting a stalled car on the tracks. The train's mass is 3.6 × 105 kg.

51. ## algebra

starting from 1.5 miles away, a car drives toward a speed checkpoint and then passes it. The car travels at a constant rate of 53 miles per hour. The distance of the car from the checkpoint is give by d=|1.5-53t|. At what time if the car o.1 miles from the

52. ## physics

A car traveling due east at 20 m/s reverses its direction over a period of 10 seconds so that it is now traveling due west at 20 m/s. What is the direction of the car’s average acceleration over this period? a- The car’s average acceleration points due

53. ## math

what is the combined height of 3 nickels 2 nickels and 1 nickel

54. ## Physics

A car moving at some speed hits the brakes and skids to a stop after 11 m on a level road. If the coefficient of friction for the road conditions of wet asphalt is 0.53, what was the car's original speed before braking? I have used multiple modes to find

55. ## math word problems

nilsa is working on a 60 minute math test. there are 20 questions on the test. if it takes her 20 minutes to complete 12 of the questions, what is the greatest amount of time on average she can spend on each of the remaining 8 questions.

56. ## physics

. A car is safely negotiating an unbanked circular turn at a speed of 19 m/s. The road is dry, and the maximum static frictional force acts on the tires. Suddenly a long wet patch in the road decreases the maximum static frictional force to one third of

57. ## Chemistry

2. Aluminum metal reacts with zinc(II) ion in an aqueous solution by the following half-cell reactions: Al(s) → Al3+(aq) + 3e− Zn2+(aq) + 2e− → Zn(s) a. Predict the potential of the cell under standard conditions. (4 points) b. Predict whether the

58. ## Geometry

The main tank at an aquarium is a cylinder with diameter 203 ft and height 25 ft. Using 3.14 for pi, find the volume of the tank to the nearest cubic foot.

59. ## physics

A plane cruising at 247 m/s accelerates at 28 m/s 2 for 8.7 s.How far will it have traveled in that time?

60. ## physics

The figure shows a person whose weight is W = 670 N doing push-ups. Find the normal force exerted by the floor on (a) each hand and (b) each foot, assuming that the person holds this position.

61. ## math

Anita hikes 7 miles due east and then 3 miles due north. Rounded to the nearest mile, what is the shortest distance from the starting point to the ending point? A.4 B.6 C.8 D.10 Is the answer D?

62. ## economics

During the Enlightenment, the City of Calgary had a more-or-less free market in taxi services. Any respectable rm could provide taxi service as long as the drivers and cabs satis ed certain safety standards. Let us suppose that the constant marginal cost

63. ## int.science

Which of the following is not the same as 0.00684 kg? 0.0684 dkg 6.84 g 684 cg 6,840 mg

80. ## physics

a penny is placed at the outer edge of a disk(radius =0.150m) that rotates about its axis perpendicular to the plane of the disk at its center. the period of rotation is 1.80s. find the minimum coefficient friction necessary to allow the penny to rotate

81. ## Physics Help

A toy car in the figure below runs off the edge of a table that is h = 1.175 m high. The car lands d = 0.400 m from the base of the table .How long did it take the car to fall? How fast was the car going on the table?

82. ## English

It's time to take a test. Close your textbooks. I will hand out test papers. Take one and pass the rest to the back. When you receive an exam paper, make sure to write down your name and number on the top. I will give you 5 minutes.....Time is up. I will

83. ## math

Juan has 28 paperback books. Each book is 1 1/4 inches wide. Will all his books fit on one shelf? If not, how many will fit and how many will have to go on another shelf? If yes, how many more paperback books, if any, will fit on the same shelf? Explain.

84. ## Calc

find absolute max and min of f(x)=cosx+sin^2(x) on interval [0,2pi]. Give exact answers, not decimal approx. (Use closed interval method)

85. ## guidance

A consistent approach to guidance means that  A. all children should be expected to reach the four goals of guidance. B. all staff members should deal with misbehavior in the same way. C. caregivers should be role models for the children to follow. D. no

Sonia has 3 bracelets. She wears them all at the same time but in different order each day. How many different bracelet combinations does sonia have to choose from.

87. ## arithmetic

The minute hand on a clock is 19mm long.What area does it pass over in 30 seconds.

113. ## Chemistry

In a titration for the determination of the chloride ion, a solution of 0.1M agno3 is used against a solution, the volume of which is 100ml. At the completion of the titration, the residual concentrations of silver and chloride ions are equal and the total

114. ## Physics

The lob in tennis is an effective tactic when your opponent is near the net. It consists of lofting the ball over his head, forcing him to move quickly away from the net (see the drawing). Suppose that you lob the ball with an initial speed of 16.5 m/s, at

115. ## Physical Science

Explain the role friction plays in the conservation of energy.

116. ## celebrating Diversity

Introducing children to a male nurse could help to diminish A. racism.B. self-esteem.C. sexism.D. ageism. C.

118. ## physics

A Ferris wheel rotates at an angular velocity of 0.29 rad/s. Starting from rest, it reaches its operating speed with an average angular acceleration of 0.039 rad/s2. How long does it take the wheel to come up to operating speed?

119. ## Algebra 2

Sierra King is a nail technician. She allots 20 minutes for a manicure and 45 minutes for a pedicure in her 7-hour work day. No more than 5 pedicures can be scheduled each day. The prices are $18 for a manicure and$45 for a pedicure. How many manicures

120. ## Math

I NEED THE ANSWER NOW PLZZ HELLPPP!! ASAP ASAP!! Juan bought a piece of lumber that is 18 feet long. a. Does he have enough lumber to make the five shelves? If not, how much more does he need? If so, how much will be left over?

121. ## math

DVD case are 9/16 inch wide. If Juan has 60 DVDs, how many of them will fit on one shelf? How wide would a DVD case have to be in order for 60 of them to fit on one shelf? Give the answer in feet. help plzz! asap

122. ## Science ONE QUESTION!

Suppose the total momentum of two masses before a collision is 100 k m/s. what is the total momentum of the two masses after they collided.

123. ## math

A bridge is 28 meters long. Find the length of a scale model if the scale is 1 cm = 5.5 meters. Round to the nearest tenth.

124. ## physics Damon???

The sugar concentration in a solution (e.g., in a urine specimen) can be measured conveniently by using the optical activity of sugar and other asymmetric molecules. In general, an optically active molecule, like sugar, will rotate the plane of

125. ## Art History

According to Aldous Huxley, which process does the act of seeing NOT involve?

126. ## Easy chemistry

Which statement correctly identifies how a lead-storage battery in a car works? A. The battery acts as a galvanic cell as it provides current to the radio. B. The battery acts as a galvanic cell as it is recharged by the alternator. C. The battery acts as

127. ## Math

A manufacturer is designing an open, cube shaped box to hold a basketball. The basketball has a volume of 2304 Pi cm3. How much cardboard is needed to create the smallest box possible using the least amount of material? DO NOT include seam overlap in the

128. ## Physics

Vector A= a displacment of 20 m due east Vector B= a displasment of 30 m due north

129. ## chemistry

The percentage of C,H,O in vitamin C were determined by burning a sample weighing 2.00g. The masses of carbon dioxide and water formed are 3.00mg and 0.81mg respectively. Find the percentage of each element and the empirical fomula of vitamin C

130. ## Biochemistry

What is the pH of a solution prepared by mixing 150 mL of 0.1M HCl with 300mL of 0.1M sodium acetate (NaOAC) and diluting the mixture of 1L? PKa of acetic acid is 4.76. and give solution

131. ## guidance

Which one of the following statements by a caregiver reflects a positive and clear approach to communicating with a child? A. "We don't play with knives." B. "Look at the mess you made at your place." C. "Put this napkin under your sticky bun." D. "Nice

132. ## math

find each sum 2/9 + 1/3

133. ## Social Studies

Which factor best explains the climate distribution of northern Brazil? Being located at tropical latitudes The affects of the flow of cool ocean currents Distance from the continental shelf Elevation above sea level Since it is located near the equator

134. ## Math help

Simplify the expression 6-a+4-12a-11 11a+1

135. ## math

On a test, the number of questions Pam answered correctly was 1 1/2 times the number of questions she answered incorrectly. If Pam answered 30 questions incorrectly, how many questions were on the test?

136. ## science

Two toy ducks attached to each other by a string, are being pulled by a child. The front duck is m1= 5.0 kg and the back duck is m2= 2.0 kg. The happy guy pulls them with a force of 10 N and friction exists. The toys are moving with constant velocity. A)

Explain why bromination of cyclohexene produces trans 1,2-dibromocyclohexane.

138. ## math

Give 3 solutions of the inequality 5x-2>7 ???? what are 3 solutions? # different answers?

consider the inequality 2x+3≤-3. Find the set of all integer solutions of this inequality that are also solutions of the inequality 5x-2

140. ## math

draw a model to solve the division problem. The problem is 1 1/2divided by1/4= so I know you make 1 1/2 into3/2 3/2*4/1=6 I know how to do that part but have no idea how to draw a model for it, can you explain it? Thank you

The Goatherd and the Wild Goats A herd of wild goats, with a wise leader called Sherpa ,are often hungry and cold .Sherpa observes a flock of tame goats being tended by a goatherd, and provided with food and a warm sleeping places. Following Sherpa's plan

142. ## LA - 2 questions!!?

Which word in the following sentence is a reflexive pronoun? As Mark slid towards home plate, he collided with the catcher and hurt himself. toward he himself collided*** Suppose you are reading two novels about boys who are sent to boarding schools. One

143. ## Math HELP!

The legs of a right triangle measure 6 in. and 8 in. What is the length of the hypotenuse? A. 10 in. B. 5.39 in. C. 14 in. D. 8 in. Is the answer A? Thanks

144. ## Trigonometry

Solve the equation for exact solutions in the interval 0 ≤ x < 2π. (Enter your answers as a comma-separated list.) cos 2x cos x − sin 2x sin x = 0

145. ## SBVC

The formula for the area of a parallelogram is A = bh. The area of the parallelogram in the illustration is 300 square centimeters. If its base is three times its height, how long is the base?

146. ## guidance

A child is more likely to develop a sense of independence if he or she is given A. discipline.B. time-out.C. choices.D. consistent care. A.

147. ## Physics

1.A plane traveling at 300.0 km/h attempts to land on a 500 m runway. The plane’s engines and brakes accelerate uniformly at –5.0 m/s2. Will the plane be able to land safely? Show all your work. Include any equations used, the given and unknown. Show

148. ## Science

Carbon monoxide, CO, and hydrogen, H2, react according to the reaction below. 4 CO(g)+ 9 H2(g)--> C4H10(g)+ 4 H2O(g) What volume of the excess reactant remains if 19.6 L CO and 27.2 L H2 are allowed to react. Assume that the volumes of both gases are

149. ## Physics

At an instant when a soccer ball is in contact with the foot of the player kicking it, the horizontal or x component of the ball's acceleration is 810 m/s2 and the vertical or y component of its acceleration is 910 m/s2. The ball's mass is 0.32 kg. What is

150. ## pre calc

The following polynomial approximates the rabbit population in a particular area.? R(x)= -0.121x^5+2.952x^4+3500, where x is the number of years frm 1975. use a graphing calculator to describe the rabbit population from the rears 1975 to 1990. how do you

en meter long steel railroad rails are laid end to end, with no space between, on a hot day when the temperature is 115°F. Six months later the temperature has dropped to -2°F.How much space now exists between each rail? (The linear expansion coefficient

152. ## physics

The figure shows a bicycle wheel resting against a small step whose height is h = 0.120 m. The weight and radius of the wheel are W = 20.0 N and r = 0.340 m. A horizontal force is applied to the axle of the wheel. As the magnitude of increases, there comes

153. ## PHYSICS

Calculate the angular momentum of a solid uniform sphere with a radius of 0.120m and a mass of 14.5kg if it is rotating at 6.15rad/s about an axis through its center. Part B Calculate kinetic energy of a solid uniform sphere with a radius of 0.120m and a

Two toy ducks attached to each other by a string, are being pulled by a child. The front duck is m1= 5.0 kg and the back duck is m2= 2.0 kg. The happy guy pulls them with a force of 10 N and friction exists. The toys are moving with constant velocity. A)

155. ## Trigonometry

Solve the equation, where 0° ≤ x < 360°. Round approximate solutions to the nearest tenth of a degree. (Enter your answers as a comma-separated list. If there is no solution, enter NO SOLUTION.) 3 sin x − 3 cos x = 1

156. ## Trigonometry

Round your answer to three significant digits. Use the distances shown in the following figure to determine the depth of the submarine below the surface of the water. Assume that the line segment between the surface ships is directly above the submarine. a

157. ## Math HELP!

A ladder is leaning against a house. The distance between the base of the ladder to the house is 3 feet. The length of the ladder is 10 feet. In feet, how far above the ground does the ladder touch the house? A. 4.2 ft B. 9.5 ft C. 10.4 ft D. 14.1 ft Is

You are saving money to buy a new cell phone. You begin with $20.00 and save$4.00 each week. Write an expression for the amount of money saves after w weeks.

Two toy ducks attached to each other by a string, are being pulled by a child. The front duck is m1= 5.0 kg and the back duck is m2= 2.0 kg. The happy guy pulls them with a force of 10 N and friction exists. The toys are moving with constant velocity. A)

160. ## math

gracie read 150 pages of a book. the book is 227 pages long which equation shows the amount she still needs to read to finish a story

161. ## much needed help...

The sugar concentration in a solution (e.g., in a urine specimen) can be measured conveniently by using the optical activity of sugar and other asymmetric molecules. In general, an optically active molecule, like sugar, will rotate the plane of

162. ## physics

A motorcycle is traveling up one side of a hill and down the other side. The crest of the hill is a circular arc with a radius of 43.0 m. Determine the maximum speed that the cycle can have while moving over the crest without losing contact with the road.

163. ## Physics

A 1.5 kg otter starts from rest at the top of a muddy incline 80.2 cm long and slides down to the bottom in 0.40 s. What net external force acts on the otter along the incline? Answer in units of N

164. ## chemistry

what amount of heat is needed to increase the temperature of 95.3g of copper from 25 degrees Celsius to 48 degrees Celsius? The value of Cp for copper is 0.387 degrees Celsius.

165. ## BIOLOGY

Which of the following is/are true about where electrons end up? The last molecule of the ETC in the mitochondrian donates electrons to water and releases oxygen The last molecule of the ETC in the mitochondrion donates electrons to oxygen and makes water

166. ## celebrating Diversity

To welcome a child who doesn't speak English, it would be appropriate to A. ask the child to repeat words. B. Tell the child not to speak in his or her native tongue. C. Speak very loudly. D. Allow the child time to observe and listen. D is my answer.

167. ## Chemistry

3. An electrochemical reaction occurs between an unknown element and zinc. The half-cell reaction for the zinc is: Zn(s) → Zn2+(aq) + 2e− The cell potential for the reaction is Eºcell = 1.83 V. a. Is the reaction spontaneous or nonspontaneous?

168. ## Math HELP!

Find the distance from the ferris directly to Butte. The picture is of an right triangle. On the left side length is has 42 mi. on the bottom of the triangle it has 56 mi. on the right side there is not number and at the top corner of the triangle it says

169. ## San Bernardino valley college

The height of a triangle is 3 inches less than 5 times the length of its base. The area is 34 square inches. Find the length of the base and the height of the triangle.

170. ## geometry

Find the volume of the cylinder. Use 3.14 for pi the radius is 3 and the height is 12

171. ## physics

A rifle with a mass of 12 g, traveling with a speed of 425 m/s strikes a large wooden block, which it penetrates to a depth of 15 cm. determine the magnitude of the retarding force that acts on the bullet.

172. ## Chemistry

You are given 21.0 mL of a 5.00% solution of NaOH. The solution has a density of 1.02 g/mL. What volume of 0.0895M H2SO4 will you need to completely and exactly react (neutralize) the NaOH?

173. ## math

The two legs of a right triangle are 10 inches and 7 inches. What is the length of the hypotenuse to the nearest inch? A.17 B.12 C.9 D.7 Is the answer A?

174. ## math

is this how you simplify exponents and integers: 10+4^3x2^-2 10+ 1/64 + 1/4 1/64 + 1/4= 1/256 10 + 1/256= 10 1/256 -------------------------------------- ever since I learn this in class, I'm getting more confuse because I keep receiving fraction as an

175. ## maths

A hockey match is played from 3 p.m. to 5 p.m. A man arrives late for the match. What is the probability that he misses the only goal of the match which is scored at the 20th minute of the match?

176. ## Algebra

The cruising speed of an airplane is 150 mph. You plan to hire the plan for a 3 hour sightseeing trip. You instruct the pilot to fly as far north as she can and still return to the airport at the end of the allotted time. How far north should the pilot fly

177. ## British Literature

Hat do we learn about sir gawain's character from his speech in his lines 343-361 and from his actions ?

178. ## physics

The thermal conductivity of concrete is 0.80 W/m-C° and the thermal conductivity of wood is 0.10 W/m-C°. How thick would a solid concrete wall have to be in order to have the same rate of flow through it as an 8.0 cm thick wall made of solid wood?

179. ## celebrating Diversity

What is one of the biggest challenges faced by child care providers? A. Meeting the individual needs of children on a daily basis B. Finding time for snack and nap times during the course of each day C. Learning and remembering each child's name and social

180. ## algebra

If 3 times the square of an integer is added to 1 times the integer, the result is 2. Find the integers.

181. ## ela

Underline the appositive in each sentence. Circle the noun it describes. 3.Genes, sections of DNA, govern all of life's processes. 4. Each gene, the structural unit of inheritance, is a segment of a DNA molecule with a specific purpose. Thanks everyone. I

182. ## algebra

If 3 times the square of an integer is added to 1 times the integer, the result is 2. Find the integer.

183. ## Algebra 2

Darren McFadden of Arkansas placed second overall in the Heisman Trophy voting. Players are given 3 points for every first-place vote, 2 point for every second-place vote, and 1 point for every third place vote. McFadden received 490 total votes for first,

184. ## physics

A 13.2 kg crate is pulled by a 157 N force (parallel to the incline) up a rough incline. Assume that the incline makes an angle of 34.0° with the horizontal and that the coefficient of kinetic friction is 0.434. The crate has an initial speed of 1.53 m/s.

185. ## math

plot the number on the number line 1 5/6

186. ## Math HELP!

One leg of a right triangle measures 15 m and the hypotenuse measures 17 m. What is the measure of the other leg? A. 22.67 m B. 8 m C. 32 m D. 5.66 m Is the answer A? Thanks

187. ## Trigonometry

Round answer to two significant digits. A telephone pole 40 feet high is situated on an 13° (H) slope from the horizontal. The measure of angle CAB is 21°. Find the length of the guy wire AC.

188. ## celebrating Diversity

You overhear a group of children saying, "Girls can't be truck drivers." The most appropriate response is to A. redirect them to another activity. B. stage a competition between the boys and the girls. C. ignore them; kids will be kids. D.use the

189. ## Geometry- thanks reiny

what's a composite space in two boxes I don't understand because there's two boxes that are together and they want the volume

190. ## Social Studies

One reason for the difference between average temperatures in Rome when in Jan. the average temperature is 11 degrees Celsius and July average degree is 30 degree Celsius is: The amount of carbon dioxide present in the atmosphere The tilt of the Earth of

191. ## Math HELP!

What is the height of the tree? Its a right angle triangle but its laying on its left side. The right side is 52 ft. the left side is 38 ft. The tree is standing as tall as the bottom. A. 64.4 ft. B. 35.5 ft. C. 37.4 ft. D. 90 ft. Is the answer A? Thanks

192. ## science

A 25mL solution of nitric acid was placed in a flask and a few drops of phenolphthalein were added. Dilute sodium hydroxide was added until the indicator changed colour. It was found that 28mL of the alkali was used. What colour was the solution in the

193. ## math

find each sum 1/7+ 3/21

194. ## Trigonometry

Solve the equation for exact solutions in the interval 0 ≤ x < 2π. (Enter your answers as a comma-separated list.) sin 2x cos x + cos 2x sin x = 0

195. ## Algebra

Find an equation of the line that satisfies the given conditions. Through (5, 3) and (4, 7)

196. ## metric conversion

100 grams = how many cg

197. ## pharmacy tech

flagyl 250mg q8h x7D what is the total daily dose

198. ## grammar

what is the object pronoun in this sentence? My mom found me reading under the tree in our yard.

199. ## math

paul dad made a turkey potpie for dinner on wednesday. the family ate 4/8 of the pie. on Thursday after school paul ate 2/16 of the pie for a snack. what fraction of the pie remained.

200. ## Science -Density

gold has a density of 19.30 g/cm3 . What si the mass of a bar of gold 15 cm x5 cm x 8 cm

201. ## Chemistry

Plot the titration of a weak base with a strong acid. Show the titration curve using .106M NH3 and .225M HCl for a 50.00mL sample of the ammonia. No idea where to start here. I'm supposed to plot the curve from 2mL increments (0-30). Tip on homework:

202. ## college algebra

A piece of pottery is removed from a kiln and allowed to cool in a controlled environment. The temperature (in degrees Fahrenheit) of the pottery after it is removed from the kiln is shown for various times (in minutes) in the following table. Time(min)

203. ## Algebra 1

Solve the inequality: -2/5x - 9 < 9/10

204. ## math

find each sum 4/8 + 1/2

205. ## physics

a pendilum consists ofa small object hanging from the ceiling at the end of the string of negligible mass. the string has length of 0.7m. with the string hanging vertically,the object is given an initial velocity of 2.0m/s parallel to the ground and swings

206. ## Chemistry (urgent)

Calculate the volume of an acidified solution of 0.02M potassium manganate that would be used to oxidize 100cm^3 of magnesium etanedioate.

207. ## Finance

The requirement for computer server capacity at Acme Industries is expected to increase at a rate of 15% per year for the next 5 years. If the server capacity is expected to be 1,400 gigabytes in 5 years, how many gigabytes of capacity are there today?

208. ## Algebra

What is the minimum possible value for y=x^2+12x+5? I am not sure where to even start. Thank you!

209. ## Chemistry

a solution of arsenic oxide containing 0.24g required 50cm^3 of acidified potassium manganate of solution of concentration 0.02M for complete oxidation. What is the oxidation state of arsenic in the product?

210. ## celebrating Diversity

To learn to respect others and develop healthy relationships, children need to A. be told what to think. B. develop strong self-esteem. C. learn to gain control over other children. D. confront people with different ideas. Answer is D

211. ## Paralegal

Patty is a paralegal at a firm organized as a Limited Liability Partnership (LLP). Joe, the associate attorney, comes to Patty and asks her to bill two clients for the same legal research he conducted, since it was on the same issue and would be useful for

213. ## algebra 2

1. Create a catapult that will be able to launch a bird (tennis ball) into the air. 2. Once built, create a real life situation where you would have to knock down a tower filled with pigs 30 feet away (jenga blocks or toilet paper rolls piled up). a.

214. ## math

I have 60 dvd that are 9/16 an inch how long will the shelf need to be

215. ## PSYCH/SOCIOLOGY!!!

Should I take psychology before sociology or take sociology before psychology. Like saying "You can't do well in chemistry unless you finish biology"

216. ## International Law

Hello, I am having a hard time in finding the prosecutors list of evidence in the The Prosecutor v. Callixte Mbarushimana case. I have read documents but it doesn't give a detail of the evidence submitted. Can you please help. Thank You

217. ## Algebra

Find the equation of the line, in slope-intercept form, that satisfies the given conditions. The graph is perpendicular to the graph of y = 5x − 9 and passes through the point whose coordinates are (3, −1).

218. ## Visual Arts

My team is Caribbean festivals and I want to know what is a good idea of a design for me to use, using paint?

219. ## Chemistry

Indicate whether Fe3+ ions are reduced by silver under standard conditions.

220. ## celebrating Diversity

Julie has a speech delay and is often shy with other children. The group activities is to A. provide an art activity for Julie and two to three other children. B. provide her with some books to read while you work with the other children. C. let her watch

221. ## math

Use anumber line to prove 1/4=2/8=4/16

222. ## celebrating Diversity

To encourage positive selfesteem, you should A. encourage competition between boys and girls. B. provide opportunities for success. C. compare children to one another. D. persuade all students to be the best they can be. B is my answer.

223. ## Proof

Let {x_n} and {y_n} be real valued sequences suppose x_n->0 and {y_n} is bounded. Prove that (x_n*y_n)->0

224. ## physics

the magnitude of a pilot is w. the plane is travelling at 230m/s on a vertical circle of radius 690m. determine the ratio Fn/w. for comparison,note that black out can occur for values fn/w as small as 2 if the pilot is not wearing an anti-G suit

225. ## Math

A supply of food lasts 12 people 5 days. A) how long will it last for 1 person? B) how long will it last for 20 people? ****i have the answers for this. The answer to a is 60 and the answer to b is 3. I just can't figure out how that works out. I need some

226. ## Maths

How do you find the rule for this sequence: 3, 5,7,9,11,13...

227. ## celebrating Diversity

A basketball team depends on the many talents of its players. This is an example of A. multiculturalism. B. inclusion. C. tolerance. D. diversity. D is my answer.

228. ## Calc 1: Max/Min

Find values for a and b so the function f(x)= ax*e^bx has the max value f(1)=3. Give exact values for a and b, not decimals)

229. ## French

How might a group respond to "Comment allez-vous?"

230. ## math

find each sum 2/3+ 1/5

231. ## math

find each sum 1/4 + 2/3

232. ## math

Jeremy collected nickels for one week. he is making stacks of his nickels to determine how many he has. the thickness of one nickel is 1/16 inch. how tall is a stack of 16 nickels

233. ## Social Studies

When do you expect to find more surface run-off than soil infiltration? When water levels in rivers and streams are low When soil permeability is equal to the rate of precipitation When flooding occurs during a rainstorm When there are extensive summer

234. ## Math

City Cellular purchased $28,900 in cell phones on April 25. The terms of sale were 4/20, 3/30, n/60. Freight terms were F.O.B. destination. Returned goods amounted to$650. a. What is the net amount due if City Cellular sends the manufacturer a partial

235. ## Algebra Slope Intercept Form

-5y=-x-15 Slope Intercept : y=-x/-5+3

236. ## Health

What does BDD stand for? A. Body Dysmorphic Disorder B. Body Defects Disorder C. Body Dilapidation Disorder D. Body Defective Disorder B?

237. ## math

the pet shop owner told jean to fill her new fish tank 3/4 full with water. jean filled it 9/12 full. what fraction of the tank does jean still need to fill.

238. ## grammar

what is the object pronoun in this sentence? Her friends were meeting at the mall, so she joined them.

239. ## Physical Science

Beginning at rest, you accelerate at a rate of 2.5 m/s^2 for 12 seconds. What is your final velocity?

240. ## Grammar

Combine the pair of sentences by using an appositive. 1. Mrs. Gage uncovered long rolls of yellow stones. They were an amazing sight. A: Mrs. Gage uncovered long rolls of yellow stones, an amazing sight.

241. ## college algebra

The rate at which water evaporates from a certain reservoir depends on the air temperature. The table below shows the number of acre-feet (af) of water per day that evaporate from the reservoir for various temperatures in degrees Fahrenheit. Temperature,

242. ## college algebra

A rental company purchases a truck for $14,500. The truck requires an average cost of$6.75 per day in maintenance. (a) Find a linear function that expresses the total cost C of owning the truck after t days. C(t) = 1

243. ## International Law

Hello, I am having a hard time in finding the prosecutors list of evidence in the The Prosecutor v. Callixte Mbarushimana case. I have read documents but it doesn't give a detail of the evidence submitted. Can you please help. Thank You

244. ## guidance

The basis of a good child-guidance system is the caregiver's A. knowledge of child development.B. choice of equipment.C. arrangement of space in the facility.D. schedule of activities.  A.

245. ## guidance

Which one of the following is not a way to foster prosocial behavior?  A. Exhibit aggressive behavior.B. Create an environment that encourages helping and cooperation.C. Use reasoning.D. Be a model of prosocial behavior.  A.

246. ## Algebra 2

What is the minimum possible value for y=x^2+12x+5? I am not sure where to start.

247. ## Physics

A stone is thrown horizontally at 30.0m/s {\rm m}/{\rm s} from the top of a very tall cliff. Calculate its horizontal position and vertical position at 2 s {\rm s} intervals for the first 10.0s {\rm s} a)Calculate the horizontal x and vertical y positions

248. ## Chemistry

Which statement correctly identifies how a lead-storage battery in a car works? A. The battery acts as a galvanic cell as it provides current to the radio. B. The battery acts as a galvanic cell as it is recharged by the alternator. C. The battery acts as

249. ## English

A champion is a winner, A hero... Someone who never gives up Even when the going gets rough. --------------------------- In this poem, what is the meaning of 'the going'? What other expressions can we use instead of 'the going'?

250. ## BIOLOGY

Fermentation: (Select all that are true) Uses pyruvate to accept electrons Uses pyruvate to donate electrons Regenerates NADH Regenerates NAD+ Directly makes ATP Allows glycolysis to continue in the cytoplasm making ATP Allows oxidative phosphorylation to

251. ## guidance

It's important to recognize a child when he or she follows the rules because not doing so can A. improve their self-image. B. cause them to act out to receive adult attention. C. help to develop self-regulation. D. help them to develop their self-esteem.

252. ## algebra

The rate at which water evaporates from a certain reservoir depends on the air temperature. The table below shows the number of acre-feet (af) of water per day that evaporate from the reservoir for various temperatures in degrees Fahrenheit. Temperature,

he thermal conductivity of concrete is 0.80 W/m-C° and the thermal conductivity of wood is 0.10 W/m-C°. How thick would a solid concrete wall have to be in order to have the same rate of flow through it as an 8.0 cm thick wall made of solid wood? (Assume

Thirty microcoulombs of NEGATIVE charge experiences an electrostatic force of 27. mN. What is the magnitude and direction of the electric field?

255. ## Math 222

222 - Steve, Wednesday, October 22, 2014 at 12:02am I assume you want to factor the expressions? a^4b + a^2b^3 = a^2b(a^2+b^2) z^2 + 18z + 45 = (z+3)(z+15) •Math 222 - Monica, Wednesday, October 22, 2014 at 12:10am Thank you Steve and can you please

256. ## algebra, factoring

Solve. x3 + 0.9x2 − 0.9x = 0

257. ## physics

A car accelerates uniformly from rest to a speed of 73.6 mi/h in 7.68 s. How do i find the distance the car traveled during this time, in units of m

258. ## guidance

The number of adults supervising a specific number of children in a classroom is known as the _______ ratio. A. child-to-parent B. director-to-teacher C. teacher-to-parent D. child-to-adult D

259. ## math

The scale for an earth model is 1:40000000. The diameter of the earth is 12,756.32km. a)What is the diameter of the model in cm? I got 31.9cm (just need help on part b!) b) If the model is cut in half, how many jars of paint would be needed to paint each

260. ## celebrating Diversity

Children with special needs may have delays or be slow to progress in one or more areas. They A.usually require special equipment to help them move around. B. need opportunities to interact with nondisabled children. C. have difficulty fitting in with

261. ## English

Do we punctuate a subject in any sentences like Panda, Bird, Patrica,Barbados?

262. ## celebrating Diversity

Which of the following is the language? A. best way to help children in your care who are learning English as a second A. Vary greetings to introduce more vocabulary. B.Speak very loudly, but stop talking if there's no response. C. Don't call attention to

263. ## physic

a footbal is thrown at an angle of 35 reltive to the ground at a speed of 25m/s. the football is then caught 38m from the throwner. you can assume the height that the ball thrown at is the same as the height it was caught. how long was the football in the

264. ## math

the ice show went for 15 consecutive nights with a full house each night.If the stadium could seat 852 people,how many people saw the show?

265. ## Derivatives

Can you help me find the derivative of these problems...Every time I try doing these I don't get the right answer. All of these are fractions; (x)/(2+x)= (x^2+3)/(x^3-2)= (2π)/(x^2-x)= These are not fractions; (3x^3/2 tanx)= (3x^1/2 sinx)= (4secx tanx)=

292. ## English

What transition is suitable to be placed before the word or?

293. ## English

What transition is suitable to be place before the word or?

294. ## math

Tom wants to run 2 1/2 miles on a 2/3mile track how many laps does tom run. I had add 2/3+2/3= 4/3 adding it up to get a 2 1/2 miles but it added. To 2 laps that don't sound right I need help need to have this dome tonight can't figure it out

295. ## Math

5 -2x-1 = x+2 ____. ____ 4. 3 I keep getting x=5.5 Multiply by 12 60-3(2x-1)=4(x+2) 60-6x-3 =4x+8 63-6x=4x+8 Add the -6x 63=10x+8 Subtract the 8 55=10x Divide 10 X=5.5

296. ## Algebra

-2/5x - 9 < 9/10 I think I should make everything a fraction and down to the LCD. Then complete the inequality that way?

297. ## Science Density

Water has a density of 1.0g/cm3. Aperson sits in a bath 150cm in length and 90 cm width. Thw water had a depth of 60cm befor the person sat in the bath. after sitting in the bath the water level rose to 68cm. Calculate the mass of the person, giving your

298. ## Algebra Slope Intercept Form

-1=-2x+y Slope intercept : y=2x-1

299. ## Algebra Slope Intercept Form

-x-1=y Slope intercept : y=-x-1

300. ## Algebra Slope Intercept Form

0=5y-x Slope intercept : y=x/5+0/5

302. ## math

what are the level of speed, speed of sound, speed of light, what are the next levels of speed.

303. ## math

6/12+ 1/3 find each sum

304. ## geometry

In the formula for the volume of a cylinder, how is the area of the base determined?

305. ## math

3/4 + 1/9 find each sum

306. ## Trig

Verify and identify, I am so confused on how to do this? this is an extra credit but I am lost, please help. cot(Ý-ƒÎ/2)=-tan Ý

307. ## English

Posted by rfvv on Monday, October 13, 2014 at 7:59am. A champion is a member of A winning team.... Someone who overcomes challenges even when it requires creative solutions. ---------------------- In this poem, what does 'it' refer to? •English -

308. ## Math

State whether the function y=-2x^2-8x+17 has a maximum or minimum value and identify the coordinates of the vertex.

309. ## Math

Find the critical numbers of the function f(x)=x^(1/6)−x^(−5/6)

310. ## guidance

Two three-year-olds, Jenna and Neal, are pulling one another's hair. Using guidance techniques, what should you do? A. Ask, "What do you two think you're doing?"B. Say, "You must not do that. It's not nice."C. Remove Neal and say, "You must not pull little

311. ## global, history

5 contributions of Ancient Greece to modern society