# Questions Asked onOctober 21, 2014

1. ## science

1) a pea plant with yellow seeds is crossed with a pea plant with green seeds. all of the offsprings have yellow seeds. the allele for yellow sees is a. Dominate because all offspring have yellow seeds. b. Recessive because all of the offsprings have

2. ## Science!

Which is most likely to be part of an ionic bond? A. An atom with no valence electrons B. An atom with one valence electron C. An atom with two valence electrons D. An atom with three valence electrons Is the answer B?

3. ## Chemistry

3NO2(g) + H2O(l) → 2HNO3(aq) + NO(g) standard enthalpy: -133.5 Find the change in internal energy for this reaction. Enter in kJ.

4. ## Double facts - 2nd Grade

Choose all the double facts you can use to find the sum of 2+3? 1. 2+2 2. 5+5 3. 3+3 4. 1+1

5. ## Chemistry

The combustion of liquid ethanol (C2H5OH) produces carbon dioxide and water. After 4.60mL of ethanol (density=0.789g/ml) was allowed to burn in the presence of 15.45g of oxygen gas, 3.70mL of water (density=1.00g/ml) was collected. a)Determine the

6. ## Health JUST NEED ANSWERS CHECKED :)

1. The two health-related components of fitness are muscular strengthand muscular endurance. True False 2. Circuit resistance training utilizes only aerobic energy. True False 3. The training program for muscular endurance should not resemble the activity

7. ## Science!

To form an oxygen molecule (O little 2) two oxygen atoms share two pairs of electrons. What kind of bonds shown below by the electron dot diagram of O little 2? Choose all that apply. Diagram . . . . O = O . . . . A. Covalent bond B. Ionic bond C. Single

8. ## math

What do you do to check whether a number is rational or irrational? In your explanation, use an example of an irrational and a rational number. Please help me I don't know what to do.

9. ## Math

Stretch your thinking. Write a subtraction equation with a difference of 54.57 . Then draw a number line to show between which two whole numbers the difference lies.

A 1200 kg car is moving at 95 km/h when the driver notices a deer down the road. He immediately moves his foot toward the brake pedal, taking only 0.50 seconds before the car starts slowing down. The brakes cause a net force of 2400 N (backwards) on the

11. ## Math HELP!

Rosa, Roberto, Andrea, and Inno find an estimate for square root 10. Who has proposed the best solution? A. Rosa: "Use square root 9 and square root 25 to estimate." B. Roberto: "I will use square root 4 and square root 9." C. Andrea: "It should be square

12. ## math

Stretch your thinking. Use decimals and fractions in the same equation showing the commutative property. Repeat for the associative property

13. ## physics

A stunt pilot is attempting to drop a water balloon from a moving airplane onto a target on the ground. The plane moves at a speed of 75.2 m/s and a 47° above the horizontal when the balloon is released. At the point of release, the plane is at an

18. ## Math HELP!

The formula v= square root 64h can be used to find the velocity, v, in feet per second, of an object that has fallen h feet. Find the velocity of an object that has fallen 75 feet. Round to the nearest tenth. A. 6.9 ft/s B. 69.2 ft/s C. 69.4 ft/s D. 69.3

19. ## World History (Ms. Sue)

"It is [the Africans] who carry the 'Black man's burden...' In hewing out for himself a fixed abode in Africa, the white man has massacred the African in heaps...What the partial occupation of his soil by the white man has failed do; ...what the [machine

20. ## math Help ASAP

write and solve inequality 17. the speed limit of a highway is 55 miles per hour. a car is traveling at least 65 miles per hour. how many miles per hour m over the speed limit is the car traveling? A 55-m>equal to 65;m. eqaul to 10 B m+65< equal to 55; m <

21. ## World History (I Changed My Answer)

2. Quotes lines in Rudyard Kipling's poem that reflects his view of colonized peoples. What values did Kipling assume his readers shared with him? A: The lines "new-caught sullen peoples" and "half-devil and half-child" reflect Rudyard Kipling's view of

22. ## Physics

A force in the +x-direction with magnitude F(x)=18.0N−(0.530N/m)x is applied to a 8.70kg box that is sitting on the horizontal, frictionless surface of a frozen lake. F(x) is the only horizontal force on the box. If the box is initially at rest at x=0,

31. ## stats

The probability that a football game will go into overtime is 18%. In 140 randomly selected football games, what is the mean and the standard deviation of the number that went into overtime?

32. ## math

How does finding the square root [√] of a number compare to finding the cube root [little 3 on top √] of a number? Use the number 64 in your explanation. Please help me figure this out. I don't know what to do.

33. ## Science!

Ernest Rutherford's atomic model included a nucleus comprised of positive particles called protons. Later, James Chadwick discovered neutrons. How did Chadwick's discovery change the atomic model? A. The new model showed a negatively charged nucleus. B.

34. ## Algebra

Explain why you think a sign on a copy machine reading ".05 (cent sign) a copy" is put up by mistake?

35. ## Chemistry

H2C2O4(aq) + 2 NaOH(aq) → Na2C2O4(aq) + 2 H2O(l) If I use 0.025 moles of NaOH to neutralize the Oxalic acid, how many moles of Oxalic acid are there?

36. ## Chemistry

Use standard enthalpies of formation to determine ΔHorxn for: 2C2H2(g) + 5O2(g) → 4CO2(g) + 2H2O(l) Enter in kJ.

37. ## la

While Cyril is smacking the seat cushions, his aunt invites him to look out the window. What can you infer from these two details in "The Story-Teller"? The aunt is trying to distract Cyril and get him to behave. The aunt is punishing Cyril for his bad

Two dynamics carts are placed end to end. Cart 1 (1.2 kg) is stuck to cart 2 (1.8 kg). Cart 1 is pushed with a force of 18.9 N (west),causing cart 1 to push cart 2 forward. Ignore the force of friction. Calculate the acceleration of each cart Calculate the

39. ## Chemistry

What is the pressure (in mmHg) of the gas inside the apparatus below if the atmospheric pressure is Patm=748 mmHg, h1=40 mmHg, and h2=67 mmHg?

40. ## guidance

Four-year-old Nathan refuses to put on his coat before going out to play on a chilly day. Using guidance techniques, you should say, A. "No coat, no play, period."B. "Put that coat on this instant."C. "You're putting that coat on, whether you like it or

41. ## Chemistry

The structure of Crestor (rosuvastatin), a medication used to reduce cholesterol, is shown below. If the specific rotation for this compound is known to be +100, what would be the specific rotation for the stereoisomer shown at the right?

42. ## chemistry

How many moles of magnesium are needed to react with 16 g of O2? 2 MgO (s) + O2 (g) → 2 MgO (s)

43. ## science

Which one of the following games would most readily flow along the ground if accidentally released? 1.chlorine 2.ethyne 3.helium 4.hydrogen 5.nitrogen

44. ## Precalculus

Hey so I need help on a problem from an assignment that my teacher won't help at all. -WRITE IN COMPLETE SENTENCES- "An oil strikes a sand bar that rips a hole in the hull of the ship. Oil begins leaking out of a tanker with spilled oil forming an

45. ## World History (Ms. Sue)

How did the French system of colonial rule differ from that of Great Britain? A: The French system of colonial rule differed from that of Great Britain in several ways. In Great Britain, the colonial rule was indirect, keeping the old African elite in

46. ## math

A wheel made 660 revolutions at 44 8/9 revolutions per minutes. how many minutes did it rotate

47. ## Chemistry

An electrical heater is used to supply 200.0 J of energy to a 30.0 g sample of water, originally at 285.0 K. Determine the final temperature in degrees Kelvin. (the specific heat capacity for water is 75.291 Jmol-1K-1)

48. ## physics

Someone in a car going past you at the speed of 35 m/s drops a small rock from a height of 1.5 m. How far from the point of the drop will the rock hit the ground? The acceleration due to gravity is 9.8 m/s2. Answer in units of m.

49. ## Physics

Two hockey players traveling at 12 m/s (Player #1) and 19 m/s (Player #2) hit in a head-on collision. They grab onto each other to keep from falling and slide in the same direction Player #2 was traveling at a speed of 5 m/s. Player #1 has a mass of 100

50. ## Chemistry

A buffer solution of volume 100.0 mL is 0.140 M Na2HPO4(aq) and 0.120 M KH2PO4(aq). What are the pH and the pH change resulting from the addition of 55.7 mL of 0.0100 M NaOH(aq) to the buffer solution?

51. ## math

timmy had 1/2 of pizza left over.for lunch,he ate 1/3 of the leftover pizza.how much pizza is now left?

52. ## World History (Ms. Sue)

Why were many African intellectuals frustrated by colonial policy? A: Many African intellectuals were frustrated because they recognized the gap between theory and practice in colonial policy. Westerns had exalted democracy, equality, and politic freedom

53. ## precalculus

After 3 hours the number of bacteria in a culture is observed to have doubled. Find the number of bacteria present after 8 hours.

54. ## guidance

In this study unit, discipline refers to behaviors that are A. self-regulated.B. harsh.C. expected.D. punitive. A.

55. ## Math HELP!

Which statement is true? A. Every real number is an integer. B. Every rational number is a real number. C. Every rational number is a perfect square. D. Every integer is an irrational. Is the answer A?

56. ## Physics

A mass of 2.63 kg is attached to a string tied to a hook in the ceiling. The length of the string, L, is 0.8 m, and the mass is released from rest at an initial position in which the string makes an angle θ of 40.4o with the vertical. Calculate the work

57. ## chemistry

how many moles of oxygen gas are required to react with 4.0 moles of Mg? 2 Mg (s) + O2(g) → 2 MgO (s)

58. ## Calculus

Use linear approximation, i.e. the tangent line, to approximate \sqrt[3] { 7.9 } as follows: The equation of the tangent line to f(x) at x = 8 can be written in the form y = Using this, we find our approximation for \sqrt[3] {7.9} is

59. ## Chemistry

What is the percentage of the S enantiomer in a sample of carvone that has a specific rotation of 30, given that the specific rotation of (R)-carvone is -61? How do i set up the problem?

60. ## English

She couldn't concentrate on her study because it was too noisy. She asked Kathy not to make noise. --------------------------- What does 'it' refer to in the first sentence?

61. ## chemistry

Find the volume of 20.0g of benzene

1. The two health-related components of fitness are muscular strengthand muscular endurance. True False 2. Circuit resistance training utilizes only aerobic energy. True False 3. The training program for muscular endurance should not resemble the activity

63. ## statistics

A researcher is interested in determining whether acupuncture affects pain tolerance. An experiment is performed in which 15 students are randomly chosen from a large pool of university undergraduate volunteers. Each subject serves in two conditions. In

64. ## Chemistry

What mass of phosphoric acid will be produced from the reaction of 10.00g of P4O10 with 12g water?

65. ## algebra

The equation y = 14x represents the number of pages Printer A can print over time, where y is the number of pages and x is time in minutes. The table shows the number of pages Printer B can print over time.

66. ## Math HELP!

An estimate for -square root 72 is? A. -8.1 B. -8.5 C. -9.1 D. -9.5 Is the answer A? Thanks

67. ## precalculus

After 3 hours the number of bacteria in a culture is observed to have doubled. Find the time that it takes the culture to grow to 30 times its initial size.

68. ## Algebra HELP!

The student bookstore had a textbook for sale at $89.95. A student found the textbook on eBay for$62.00. If the student bought the book on eBay, what percentage of the cost of the bookstore book did she save?

69. ## Biology

Why can the identity of a compound not be determined by cutting out the spot on an autoradiogram and subjecting it to chemical analysis?

70. ## maths

if six men dig a ditch in 21 days,how long would 9 men take?

71. ## Math HELP!

When a skydiver jumps from an airplane, the distance d in feet the diver falls in t seconds before opening the parachute is given by the formula d=16t^2. The formula assumes that there is no air resistance. Find the time it takes a skydiver to fall 1,551

72. ## science

Which of the following statements is true? A. An object that is accelerating is always changing direction. B. An object that is accelerating is always changing speed. C. An object at rest has an instantaneous acceleration of zero. D. Instantaneous

73. ## Algebra

A coin purse contains 5 centavo, 10 centavo and 25 centavo coin is 3 times as many 5 coinand the 25 centavo coins is two more than 10 centavo. And the total value is 4.90 pesos.how many of each kund of coins are there?

74. ## science

What is true about the element francium(Fr,atomic number 87)? Choose all that apply. a. it has 7 valence electrons b. it is likely to form ionic bonds c. it is a nonmetal d. it is in period 7 e. it is a metal Is the answer a,d,e?

75. ## math

Identify the solution(s) of the system of equations, if any. x + 2y = 7 3x - 6y = 3 (4, ) (4, ) (, 4) (, 4)

122. ## physics

A swimmer can swim in still water at a speed of 9.47 m/s. He intends to swim directly across a river that has a downstream current of 4.24 m/s. a) How many degrees from straight across the river should he head? Let upstream be a positive angle. Answer in

123. ## algebra 2

Shalonda notices that when she stands next to the flagpole, she casts a shadow that is 8 feet long and that the flagpole casts a shadow that is 28 feet long. Little Shalonda is 4 feet tall. How tall, to the nearest foot, is the flagpole?

124. ## Biology

A couple has a child with an autosomal recessive form of glycogen storage disease, a deficiency of a lysosomal enzyme. An enlarged liver and heart and weak muscles cause the baby to die from heart and lung failure at 20 months. Now the woman is pregnant

125. ## Chemistry

What is energy difference between staggered and eclipsed conformations of 2,2,3,3-tetramethylbutane? Is it 2k/J/mol? Interaction Energy Cost (kJ/mol) H/H Eclipsed 4 CH3/H Eclipsed 6 CH3/CH3 Eclipsed 11 CH3/CH3 Gauche 3.8

126. ## math

Find 1 terminating decimal and 1 repeating decimal between 1/2 and 2/3.

127. ## World History (Ms. Sue)

What role did African representatives at at the Berlin Conference? A: African representatives did not play a role at the Berlin Conference since no African delegates were present.

128. ## Perimeter and Area

The set of points (2, 3), (9, 3), (9, 2), and (2, 2) identifies the vertices of a quadrilateral. Which is the most specific description to tell which figure the points form? parallelogram square rectangle trapezoid

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

138. ## physics

Ten 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?

139. ## math

Andrew wants to rename 2/7 and 3/4 using a common denominator. which of the following shows these fractions renamed correctly. a 8/28 and 21/28 b 2/28 and 3/28 c 4/28 and 6/28 d 2/7 and 3/7

140. ## Physics

A ball with mass m = 0.210 kg and kinetic energy K1 = 2.97 J collides elastically with a second ball of the same mass that is initially at rest. After the collision, the first ball moves away at an angle of = 30.6° with respect to the hori- zontal, as

141. ## English

1. Don't make a nooise. 2. Don't make noise. (Which one is correct? Are both OK? Then which one is commonly used?) 3. Don't manke any noise. 4. Don't make much noise. 5. Don't make any noises. 6. Don't make many noises. 7. Don't make a lot of noises. 8.

142. ## physic

A car starts from rest on a curve with a radius of 150m and tangential acceleration of 1.0m/s2 . Through what angle will the car have traveled when the magnitude of its total acceleration is 3.0m/s2 ? thank you so much in advance

143. ## Science

Similarities between decomposition and photosynthesis

144. ## physics

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

145. ## math

To find the weight of the gold in a 22 karat gold object, multiply the object's weight by 0.917. To find the weight of the gold in an 18 karat gold object, multiply the object's weight by 0.583. A 22 karat gold statue and a 14 karat gold statue both weigh

146. ## physics

Two blocks with masses m1 = 13.4 kg and m2 = 74.2 kg, shown in the figure, are free to move. The coefficient of static friction between the blocks is 0.55 but the surface beneath m2 is frictionless. What is the minimum force F required to hold m1 against

147. ## social studies

Governments must provide some goods and services because: A. Producers cannot limit who uses them B. Only some people wish to use them C. Private companies are unable to make them D. Consumers distrust private suppliers of them I am thinking "C"

148. ## math

A craft store bought paint for a wholesale price of 100 the store charges a 65% markup what is the craft stores price for the paint.

149. ## statistics

The p value is the: a. probability with which a test statistic would occur if the research hypothesis were true. b. probability with which a test statistic would occur if the null hypothesis were true. c. cutoff probability at which a test statistic is

150. ## Chemistry

Chemical reaction for converting polythene to ethanol

151. ## math

To find the weight of the gold in a 22 karat gold object, multiply the object's weight by 0.917. To find the weight of the gold in an 18 karat gold object, multiply the object's weight by 0.583. A 22 karat gold statue and a 14 karat gold statue both weigh

152. ## Chemistry

How would you prepare 165 mL of a 0.976 M NaOH solution, starting with a 6.36 M stock solution? Volume of solution needed? Volume of water needed?

153. ## physics

Two waves traveling on a string in the same direction both have a frequency of 92 Hz, a wavelength of 0.19 m, and an amplitude of 0.32 m. What is the amplitude of the resultant wave if the original waves differ in phase by pi /3 rad? What is the phase

154. ## physics

Two waves traveling on a string in the same direction both have a frequency of 92 Hz, a wavelength of 0.19 m, and an amplitude of 0.32 m. What is the amplitude of the resultant wave if the original waves differ in phase by pi /3 rad? What is the phase

155. ## Math HELP!!!!!

3/8x11 3/5x5/7 3/4x2 2/5x5/6 7/8x1/2

156. ## algebra

has inherited $15,000 that she wants to invest in two separate accounts, one paying 4% and one paying 3% annual interest. If the total interest earned for a year is$550, how much should she invest at each rate?

157. ## Maths

Find the absolute maximum and minimum values of the function f (x) = [x^(2/3)]*[x − 1] on the closed interval [0, 4], and state where these values occur.

158. ## Chemistry

1. The temperature of two substances with the same mass increases by 20 degrees Celsius. Which absorbs the most energy, the substance with the higher or lower specific heat? Explain 2. The human body is approximately 60% water. Explain how this high

159. ## physics

two forces are applied to a 40kg object. one force is 50N and the other is 60N. if the forces are perpendicular to another, what will the resultant acceleration of the object be?

160. ## Accounting

Journal Entries Under the Perpetual Inventory System Bhushan Building Supplies entered into the following transactions.

161. ## physics

A car accelerates uniformly from rest to a speed of 73.6 mi/h in 7.68 s. Find the constant acceleration of the car. Answer in units of m/s 2

162. ## Physics

A father pulls his son, whose mass is 26.7 kg and who is sitting on a swing with ropes of length 3.27 m, backward until the ropes make an angle of 35.6° with respect to the vertical. He then releases his son from rest. What is the speed of the son at the

163. ## physic

A ball is thrown toward a cliff of height h with a speed of 28m/s and an angle of 60∘ above horizontal. It lands on the edge of the cliff 3.3s later. a) How high is the cliff? i got 26.7 m b) What was the maximum height of the ball? my answer here was 30

164. ## physics

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

165. ## math

4/5-1/6

The lowest possible energy for a certain positively charged particle trapped in a box is 2.00 eV. (a) What are the next two higher energies a particle can have? b) Is 30 eV an allowed energy? (c) Is 32 eV an allowed energy? (d) Given the box length is

167. ## CHEM

3 Liter of a gas is collected at 35 degrees celcius and 705 mmHg .what is the volume at STP?

168. ## Grammar

Am I using the semicolon correctly in the sentence below? "Overall, the historical epic GANDHI was a riveting, biographical masterpiece of a man who rose from being a simple lawyer and transformed into a worldwide symbol of peace and understanding; an epic

169. ## Physics

A car is parked 23.0 m directly south of a railroad crossing. A train is approaching the crossing from the west, heading directly east at a speed of 59.0 m/s. The train sounds a short blast of its 340-Hz horn when it reaches a point 23.0 m west of the

170. ## physic

A ball is thrown toward a cliff of height h with a speed of 28m/s and an angle of 60∘ above horizontal. It lands on the edge of the cliff 3.3s later. a) How high is the cliff? i got 26.7 m b) What was the maximum height of the ball? my answer here was 30

171. ## Need help pleas (science)

. Why are energy transformation important for an ecosystem's stability? . What is the role of photosynthesis I'm making energy "usable" for life? . What is the link between decomposition and photosynthesis? . What is the connection of energy flow through

172. ## Chemistry

2. A fluoride electrode is used to determine fluoride in a water sample. Standards and samples are diluted 1:10 with TISAB solution. For a 1.00 x10-3M(before dilution) standard, the potential reading relative to the reference electrode is -211.3mV and for

173. ## physics

A ball is moving horizontally at 9 m/s when it leaves the edge of a table. The table is 1.64 m high. How long does it take to hit the ground?

174. ## Physics

1. A body was dropped from a building 10-m high. Its kinetic energy before reaching the ground is 980 J. What is the mass of the body? 2. A 1.0-kg block slides down a rough inclined plane whose height is 1.0 m. At the bottom the block has a speed of 4.0

175. ## Math

Am I right? Nobby Hobby charges $35.00 entry fee plus$18.50 per night of camping. Write an algerbraic expression for the cost in dollarsof entry to Nobby Hobby ($35.00+$18.50).n Thanks

176. ## Science

. Why are energy transformation important for an ecosystem's stability? . What is the role of photosynthesis I'm making energy "usable" for life? . What is the link between decomposition and photosynthesis? . What is the connection of energy flow through

177. ## Algebra

Because of a recession, the value of a new house depreciated 10% each year for 3 years in a row. Then, for the next 3 years, the value of the house increased 10% each year. Had the value of the house increased or decreased after 6 years? Explain please!!

178. ## Physics

An airplane is flying with a velocity of 220 m/s at an angle of 30.0° with the horizontal, as the drawing shows. When the altitude of the plane is 2.8 km, a flare is released from the plane. The flare hits the target on the ground. What is the angle θ? I

179. ## finance

Bill is a restaurant manager that falls into the 25% marginal bracket and pays an additional 5% for state taxes. He has invested 20,000 in corporate bonds which is currently earning a annual return of 7.5%. What is the after tax return on bill's corporate

180. ## calculus

Let \lambda be a positive real number. Evaluate \sin^{-1}(\lambdai)

182. ## Chemistry

Consider a solution of CaCl2 and Mg(NO3)2 in which the concentrations of both Mg2+ and Ca2+ are the same, 0.01. M. Is it possible to separate Ca2+ from Mg2+ by selective precipitation of Mg(OH)2? To be precise, is it possible to precipitate 99.99% of

183. ## science

Criminalists use DNA___ in crime investigations.

184. ## Chemistry

What voltage would be measured in a 1.00 x10-3M acetic acid solution (pH=3.88)? Assume aH+= [H+].

185. ## math

what is one-half added to 2 sixths?

186. ## English

In following sentence is Knowing a verbal participle or a verbal gerund? Knowing how an engine works is the key to auto repair. I want to say gerund because I say it is the subject.

187. ## Biology

Why is it important that cells produced after meiosis be diverse? My answer: Meiosis is involved it the formation of gametes, so if the cells produces were not different, then everyone would be identical. Is this correct? @Mrs. Sue? someone? Thank you! :)

188. ## guidance

The ability to communicate feelings is one of the goals of A. self-control.B. guidance.C. discipline.D. fostering. B.

189. ## statistics

A research organization claims that the monthly wages of industrial workers in district X exceeds that of those in district Y by more than Rs 150. Two different samples drawn independently from the two district yielded the following results: District X: x1

190. ## math

Select the appropriate values of x that are solutions to f (x)=0, where f ( x ) =-7x^2+4x+9 (-0.78,0.44) (-7,4) (-0.57,-1.29) (-0.88,1.46) Select the appropriate values of x that are solutions to f ( x ) =-5x^2+8x+5 (2.08,-0.48) (-5,8) (-1.60,-1.00)

191. ## physics

An object attached to a horizontal spring is oscillating back and forth along a frictionless surface. The maximum speed of the object is 1.38 m/s, and its maximum acceleration is 5.82 m/s2. How much time elapses betwen an instant when the object's speed is

210. ## Chemistry

When 4.62 mL of cold water at 22.6 °C is mixed with 37.5 mL of hot water at 67.9 °C in a thermally isolated calorimeter, what is the final temperature of the mixture when thermal equilibrium has been achieved? H2O density = 1.00 g/mL.

211. ## Chemistry

1. The temperature of two substances with the same mass increases by 20 degrees Celsius. Which absorbs the most energy, the substance with the higher or lower specific heat? Explain 2. The human body is approximately 60% water. Explain how this high

212. ## Physics

If I dropped a bowling ball from the empyre state building, at what velocity would it descend?

213. ## English

he federal government says Canada will start shipping its experimental Ebola vaccine to the World Health Organization on Monday. The government says in a release the Public Health Agency of Canada is supplying the vaccine to the UN body in Geneva in its

214. ## math

4.5 by 6.12 original drawing want to increase size to 18 by 24. How do I do it?

215. ## guidance

"You did a good job of cleanup today, Grace." In this statement, a caregiver has used A. evaluation.B. acceptance.C. limits.D. praise. D

216. ## Chemistry

A 35.0-L cylinder contains 387 g O2(g) at 22.5°C. What mass of O2(g) must be released to reduce the pressure in the cylinder to 5.94 atm, assuming the temperature remains constant?

217. ## 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.

218. ## Physics

A constant force, F = (4.63, −3.79, 2.16) N, acts on an object of mass 17.7 kg, causing a displacement of that object by r = (4.10, 3.86, −2.45) m. What is the total work done by this force? Im pretty sure the work equals -k(x-xo) but im not really

219. ## algebra

(a+10)(a-10)/(a-10)(a+4) Simplify rational expressions

220. ## math

A golf cart has either 3 or 4 wheels. John checked all 25. How many 3 wheeled how many 4 wheeled

222. ## math

Select the appropriate values of x that are solutions to f (x)=0, where f ( x ) =-7x^2+4x+9

223. ## math

find the difference between the simple intrest and the compound intreston 5000 for 2 years at 9% per annum.

224. ## ENG290

I am to create a timeline that illustrates the history of children's literature in western culture using five key milestones of children's literature. CAN YOU PLEASE HELP

225. ## Algebra

X-3y=9 2x-y=-2

226. ## Calculus

Find f'(a). f(x)=(x^2+1)/(x-2) Is it (x^2-5x+2)/(x-2)^2 ?

227. ## Science

Suppose you were testing the boiling temperature of several liquids.how would you use numbers in your investigation?

228. ## algebra

what are the following fractions decimal equivalents? -3 3/6 -3 3/8 -3 8/9 -3 2/3

229. ## algebra, fractions

What is a fraction whose decimal value is between 0.4 and 0.64? List the fractions decimal equivalent as well.

230. ## math

A right square pyramid has a surface area of 75.5m^2 and a base length of 3.5m. What is the slant height of this right pyramid?

231. ## math

What is the perimeter of a triangle with the given side lengths? s1 = x + 4 cm s2 = 3x + 1 cm s3 = 7x + 3 cm

232. ## Math 222

Please help me solve these two problems. My addition sign is not working on my keyboard. a^4b plus a^2b^3 18z plus 45plus z^2

233. ## English

Lost on this one. Is demanding in this sentence a verbal gerund or just a verb? He is always demanding to have his own way. I want to say a verbal gerund, but then I want to say verb

234. ## life sci maths lit geography. and history

I am doing these fllwng subjects and I would like to knw if I could be a lawer while dnd these subjects

235. ## Science

What arrangement means in Science?...Thank you for your help.

236. ## English

Thank You Ms. Sue College English is harder then I thought and haven't had to ask just a few questions and I am running a 98 average

237. ## speech

Interesting informative speech suggestions?

238. ## Math HELP!

As estimate for square root 47 is between? A. 4 and 5 B. 5 and 6 C. 6 and 7 D. 7 and 8 Is the answer A? Thanks

239. ## physics

Under what circumstances, if any, will a converging lens form an inverted image of a real object? Under what circumstances, by itself, will a diverging lens form an erect image of a real object?

240. ## Statistics

Graduation rate for students in a program is 80%. If 10 students from it are selected at random, find the probability that AT LEAST 8 of them graduated.

241. ## Math

Pick 2 consecutive, positive integers and call them a and b. Prove that a/2 + b/2 >/= 1. what does it mean by consecutive and positive integers? and how you can prove it? Thank You..

242. ## Algebra

a guy has \$4.40 of nickels, dimes and quarters. he has twice as many dimes then quarters. how many nickels does he have?

243. ## Math

what is 4/25 in a percentage? I think it is 64/100... Is that correct?

244. ## Algebra

5x^3 - 12x - x^2 + 9 - 12x^5 - 6x^4 - k = 19 + 8x^3 - 18x - 19x^5 - 2x^2 - 8x^4 k = 7x^5 + 2x^4 - 3x^3 + 6x - 10?

245. ## Physics

Mike is piloting a lear jet traveling at 207.8 m/s. He accelerates at 15.6 m/s2 over a distance of 2275 meters. How fast will the jet be moving at the end of this acceleration?

246. ## 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. My answer is D

247. ## Math 222

Please help me solve these two problems. My addition sign is not working on my keyboard. a^4b plus a^2b^3 18z plus 45plus z^2

248. ## Grammar

Should I put commas before and after the film title in this sentence, too? "The multiple Academy Award-winning, biographical epic, Gandhi, is an intriguing story about activism, politics, religious tolerance, and freedom."

249. ## 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? b) If the model is cut in half, how many jars of paint would be needed to paint each half if 1 jar covered 10cm^2?

250. ## physic

what is the internal energy chane of 500g of molten lead as it solidifies at its melting temperature? Neglect its small volume change.

251. ## english

did anyone read the book called memoirs of a geisha ? by arthur golden

252. ## Math

What is 2 more than 5?and 1 less than 8 plus 2? I am in grade one. Thank you.

253. ## math

I labeled a clock, dice, and straight line A,B,C,D and with the chart below them it says to use those points to label and name representations of each of the following table: ray, line, line segment, and angle. Extend segments to show lines and rays. Need

254. ## math

I don't get how to put it in the the equation Interest=percent×rate×time This is the question The banded ribbon worm is a carnivorous aquatic worm. It measures about 2.5 ft. When expanded. Find the percent increase between the contracted and expanded

((1/2)^-5)^2

256. ## Math

-k = 10 + 3x^3 - 6x - 7x^5 - x^2 - 2x^4 Is this k = 7x^5 + 2x^4 - 3x^3 + 6x - 10?

257. ## Homework (Science)

A ball is thrown straight upwards at a speed of 32.5 m/s and from a height of 1 m above the ground. How long before it hits the ground?

258. ## math

write my namein capital letters and write them in angle