# Questions Asked onNovember 18, 2015

1. ## Physics

A block of mass 4 kg, which has an initial speed of 2 m/s at time t = 0, slides on a horizontal surface. Find the magnitude of the work that must be done on the block to bring it to rest. Answer in units of J. If a constant friction force of magnitude 5

2. ## science

A person drive an automobile with a mass of 450 kilograms at a velocity of 26 meters per second. The driver accelerates to a velocity of 30 meters per second. The difference in the automobile's kinetic energy is how many joules?

3. ## English

Please check my answers! This story was pretty confusing to me. 1. The purpose of the anecdotes in "The Last Judgment" about each person Kugler has known serve most to A. generate sympathy for Kugler B. Add characters to the story C. Help the judges make

4. ## english 9a

which of the following statements would best state the main theme of the call of the wild? 1.)True courage cannot be learned. 2.)have faith in the values of humanity 3.)it id better to be clever then strong 4.)we are driven by our ancient animal instincts

1) which of these sentences contains an error in verb usage? A. I just want to lay in bed all morning B. I taught my dog to lie down C. My brother set his books on the counter**** D. My mother told us to sit right here 2) what would be the meaning of

6. ## Geometry

A triangle is reflected across line L and then across line m. If the lines intersect, what kind of isometry is this composition of reflections? translation rotation reflection glide reflection*****? After a glide reflection, the point x is mapped to the

7. ## Physics

The efficiency of a pulley system is 47 percent. The pulleys are used to raise a mass of 47 kg to a height of 7.0 m. The acceleration of gravity is 9.81 m/s 2 . What force is exerted on the rope of the pulley system if the rope is pulled for 28 m in order

8. ## Genetics/Bio

RNA interference can repress proteins by all of the following mechanisms EXCEPT: a. promoting histone acetylation. b. promoting histone methylation. c. promoting mRNA degradation. d. blocking translation. The following are all examples of a histone

9. ## English

What does Asimov predict will happen to earth in billions of years? a. it will be burned up by the sun b. its population will increase c. it will shrink slightly in size d. it will change position in the galaxy*****

10. ## english 3

Which pronoun correctly completes the sentence? The senator wrote a letter to Carol and _____ expressing his thanks a. they b. me c.we d.I

11. ## Health ASAP

12. Spinach and other leafy green vegetables are nutrient-dense foods. (1 point) true * false 13. Most of the absorption of nutrients into the bloodstream takes place in the large intestine. (1 point) true false * 14. Every person has the same calorie

12. ## Fluid mechanics, Hydraulics

Piston A has a cross section of 1200 sq.cm. While that of piston B is 950 sq.cm. with the latter higher than piston A by 1.75m. If the intervening passages are filled with oil whose specific gravity is 0.80, what is the difference in pressure between A and

13. ## physics

Suppose the hand shown in (Figure 1) holds an 8.9-kg mass. The total mass of the arm is 3.3 kg. What force, FM, is required of the deltoid muscle, assuming the mass is 52 cm from the shoulder joint? So ive tried this problem multiple times but i'm not

14. ## AP Human Geography

1. What role does migration play in the geographic pattern? 2. How about interaction & isolation after migration takes place? 3. When do dialects begin to become so different that they may be viewed as a different language? 4. How has the Internet

15. ## Language Arts

What is the main theme of the story the bachelor tells in "The Story-Teller"? Good children win many medals Parks are beautiful places Too much goodness can be bad *** Good people do something bad eventually

16. ## Match

Describe two ways you could evaluate 37% of the sum of 27 3/5 and 15.9. Tell which method you would use and why? THANK YOU!

17. ## algebra

why are handcuffs like souvenirs?

18. ## english 3

The only students invited to attend the meeting were _____. Which pronoun correctly completes the sentence? a. we b.us c.them d. ourselves

19. ## Physics

A baggage handler throws a 16.0 kg suitcase horizontally along the floor of an airplane luggage compartment with an initial speed of 1.10 m/s . The suitcase slides 2.10 m before stopping.

20. ## Physics

A 4.17 g bullet moving at 506.1 m/s penetrates a tree trunk to a depth of 4.64 cm. a) Use work and energy considerations to find the magnitude of the force that stops the bullet. Answer in units of N. b) Assuming that the frictional force is constant,

21. ## English

What does this mean "the cold gleam of the fanatic" It is in the story "The Sniper" by Liam O'Flaherty

22. ## Math

1. Choose a room you would like to decorate. Measure its length or width. This measurement will be the length of your pennant string. 2. Choose a size of paper square to use. (Hint: Whole number side lengths will make the calculations easier.) 3. Cut the

23. ## Math

Is the following relation a function? {(0.3,0.6),(0.4,0.8),(0.3,0.7),(0.5,0.5)} a. yes b. no c. cannot be determined***

24. ## Math/Finance

You have found the following stock quote for RJW Enterprises, Inc., in the financial pages of today's newspaper. 52 Week High: 72.18 Low: 43.17 Stock (DIV): RWJ 1.28 Yield (%): 2.1 PE: 21 VOL (100s): 17652 Close: ???? Net change: -.23 What was the closing

25. ## english

Which sentence uses who correctly? a. Who did you call? b.Who is the person that I should call? c.To who are you speaking? d. From who did you receive the call? i think the answer is A but i just want someone to check and see

26. ## English 2

Write an essay of at least 250 words that describes and explains examples of figurative language you found in Animal Farm when you completed your response journal on that topic. Include one example of each of the five types of figurative language from the

27. ## Science

Why is it easier to recover silver from a solution than to recover lithium from the same solution

28. ## Language Arts

Read the definition. Then match it to the correct plot element. the high point, or turning point, in the action of the plot (1 point) • rising action • climax • falling action • resolution ** 1 Chris and Taylor have been neighbors for years. During

29. ## algebra

Solve this equation for x. 0.5(5-7x) = 8-(4x+6)

30. ## Mathematics

Solve tan2x = 5sin2x Giving all solutions in the interval 0 ≤ x ≤ 180°

31. ## math

Sohini bought 400 eggs at Rs 8.40 a dozen. At what price per hundred must she sell them so as to earn a profit of 15 percent? Give me the solution of it. Urgent**

32. ## Math

Rope p is 3 times as long as rope q. Rope q is 1m 10 cm shorter than rope r. Rope r is 1 m 30 cm shorter than rope p. What is the length of rope q? Express your answer in meters and centimeters

33. ## HELP RIGHT AWAY

A costume designer made 10 costumes that each used 5.8 yards of fabric. If she had 238.2 yards of fabric to start with, about how much fabric does the costume designer have left? Write an equation and estimate the amount of fabric left. A customer went to

34. ## PHYSICS

A meter stick lies along the x-axis, centered at the origin. An upward force of 6.0 N is applied at x = 30 cm, and an upward force of 8.0 N is simultaneously applied at x = −40 cm. What is the net torque on the meter stick, taking into account usual sign

35. ## Chemistry

One half-cell in a voltaic cell is constructed from a silver wire electrode in a .25 M solution of AgNO3 . The other half-cell consists of a zinc electrode in a .001 M solution of Zn(NO3)2. Calculate the cell potential I have no idea and am so stressed,

36. ## Lang arts

which word choice supports the idea that the author has a positive point of view of rolling skating? A. been around since 1700 B. loved winter ice skating C. hard to roll D. more popular p.s I am on connections academy

37. ## math

Independent random samples, each containing 800 observations, were selected from two binomial populations. The samples from populations 1 and 2 produced 320 and 400 successes, respectively. Construct a 90% confidence interval for the true difference in

38. ## directions

after going 80m from his house towards east,a person turns left and goes 20m,then turns right and moves 100m,then turns left and goes 60m,then turns right and goes 120m to reach the park.what is the distance between his house and the park

The skeleton has lost 56 percent of their carbon-14. The constant proportionality is approximately k=0.000124. Estimate the age of the bones.

40. ## Spanish

Which is the correct verb to say that you and your family share a cake? a. comparten b. comparto c. compartis d. compartimos***

41. ## HURRY CHECK THIS MATH

A costume designer made 10 costumes that each used 5.8 yards of fabric. If she had 238.2 yards of fabric to start with, about how much fabric does the costume designer have left? Write an equation and estimate the amount of fabric left. A customer went to

42. ## Math

Solve: (x+5 1/2)0.75=5/8 Please show all steps

43. ## physics

A fence post is 52.0 m from where you are standing, in a direction 37.0 degree north of east. A second fence post is due south from you. What is the distance of the second post from you. If the distance between the two posts is 80.0 m?

44. ## Physics

Water flows at 2.4 m/s through a garden hose of diameter 1.59 cm and emerges from a nozzle of radius 0.64 cm. If the nozzle is directed vertically upward, to what height would the water rise?

45. ## Math

What is the value of the range of the function f(x)=x^2+2 for the domain value 1/4? a. y=2 b. y=2 1/4 c. y=2 1/8 d. y=2 1/16

46. ## Language Arts

In "The Story-Teller," what can you infer about the bachelor from the answers he gives when the children interrupt his story with questions? He is impatient He does not understand what others say He does not know what children like He has a good

47. ## Geometry 1 question

A triangle is reflected across line L and then across line m. If the lines intersect, what kind of isometry is this composition of reflections? translation rotation reflection glide reflection Is it glide reflection? The question is a little confusing.

48. ## Language Arts

which resource would be most helpful in finding a synonym for sentimental? a thesaurus** a dictionary an article an anthology Am I right??

49. ## Chemistry

What minimum volume of 14.0 M hydrochloric acid would be required to completely dissolve a 600.0 −g iron bar? I'm getting around 2.3 L but it's saying it's incorrect...

50. ## Identities

Verify the following identity cos2x/sin2x+sinx/cosx=csc2x

51. ## English

degenerate sanctuary implausible scrutiny incoherent sinister intercede suffice intricate vulnerable 1) kens cartoon ______ for the school newspaper, but they wouldnt be good enough for the city paper. 2)in the batman movies the jokers name is misleading,

52. ## Math

if a number is not a rational number, then it is______. A. an integer B.an irrational C.whole number D.a radical My best answer is B. Can you check please @Ms.Sue

53. ## Physics

The gravitational force of attraction between two students sitting at their desks in physics class is 2.23 ✕ 10-8 N. If one student has a mass of 52.0 kg and the other student has a mass of 57.4 kg, how far apart are the students sitting?

54. ## algebra

graph the equation by translating y=x y=x+7

55. ## Chemistry

Calculate the density of methane gas, CH4, in kilograms per cubic meter at 25 degrees C and 956 mmHg. I got .8252 g/L but am getting confused with the converting units.

56. ## math

If the digits of the number are reversed, the number is increased by 36. The sum of the digits in the number is two and one–half times their difference. What is the number?

57. ## chemistry

If 5.29 g of CuNO3 is dissolved in water to make a 0.370 M solution, what is the volume of the solution?

58. ## Algebra 1

A math test is worth 100 points and has 38 problems. Each problem is worth either 5 or 2 points. How many problems of each point value are on the test?

59. ## Physics

Two vectors F1 and F2 with magnitude F1=42N and F2=70N and where angle1=83 and angle2= 300. The angles are measures from the positive x axis with the counter-clockwise angular direction as positive. What is the magnitude of the resultant vector where

60. ## Lang arts

Which section of a personal narrative requires the most development? a. introduction b. conclusion c. character introduction d. plot

61. ## lanuage arts

Which value is reflected in Heracles?

62. ## Algebra

The difference between two numbers is 86. Seven times the smaller is equal to 4 more than the larger. What are the numbers?

63. ## math

Halen wrote the prodect 0.4 for the problem .5×.8.Don says that is not correct since when you multiply tenths by tenths the product will be in the hundreths.Is Don right?

64. ## Geometry

The measure of each interior angle in a regular hexagon is?

65. ## Math

There are 100 apples in a bag 43 of them are red and the rest are green apples what percentage of the apples are green

66. ## writing

n this discussion, you will post issues related to motivation and learning. Refer to the texts in this section, other texts you have read, and your personal experience and knowledge to support your ideas. Begin your discussion by addressing the following

67. ## Math

1. Write the following ratio in simplest form: 32 min:36 min 8:9 8:36 32:9 128:144 2. Marie saved \$51. On Wednesday, she spent \$8 of her savings. What ratio represents the portion of her total savings that she still has left? 43:8 8:51 43:51 59:51 3. The

68. ## physics

A 5.9 kg bucket of water is raised from a well by a rope. The acceleration of gravity is 9.81 m/s/s If the upward acceleration of the bucket is 4.1 m/s/s, find the force exerted by the rope on the bucket of water. Answer in N

69. ## Math

Reasoning Word Problem: A school's lockers are numbered 1-100. One hundred students enter the school one at a time. The first student opens the lockers. The second student closes the even-numbered lockers. The third student either closes or opens every

70. ## Language Arts

Which sentence uses coordinate adjetives? A- Talia wore a pink, striped shirt.** B- Talia wore a shirt, shorts, and shoes. C- Talia wore a pink shirt with stripes. D- Talia wore a pink shirt and shorts yesterday. Please help!!! Am I correct??

71. ## physics

A fence post is 52.0 m from where you are standing, in a direction 37.0 degree north of east. A second fence post is due south from you. What is the distance of the second post from you, if the distance between the two posts is 80.0 m?

72. ## Counting and Probability

(a) A cube is painted red on all six sides, then cut into 125 smaller congruent cubes. How many of the small cubes are painted red on exactly one side? (b) A cube is painted red on all six sides, then cut into 125 smaller congruent cubes. How many of the

73. ## Physics

A 7159 N piano is to be pushed up a(n) 2.26 m frictionless plank that makes an angle of 25.6 ◦ with the horizontal. Calculate the work done in sliding the piano up the plank at a slow constant rate. Answer in units of J.

74. ## Mathematics

Given that 2cos^2 x - 3sin x -3 = 0, show that 2sin^2 x + 3sin x +1 = 0? Hence solve 2cos^2 x + 4sin x - 3 = 0, giving all solutions in the interval 0 ≤ x ≤ 2π

75. ## Math

The quotient is: 45 1/5 Whats is the divisor? Whats the check step?

76. ## Math Asap

When adding √9 and -7, which type of number is the sum? A.irrrational B.whole number C.radical D.integer My answer is A. CAN you check please @Ms.Sue

77. ## Chemistry

Calculate the pressure of 4.80g of ozone, O3, in a 2.45 L flask at 25 degrees C. Assume that the ozone completely decomposes to the molecular oxygen. 2O3(g) --> 3O2(g) Calculate the pressure inside the flask once the reaction is complete.

78. ## English

Scouts comments to Calpurnia (beginning "I told Calpurnia to just wait") suggest that A- scout is cruel and spiteful B- calpurnia is loving and educated C- the relationship between the two is strained D- scout is suicidal and vengeful E- calpurnia is

79. ## Physics

3.A brown flower pot is dropped from an open window from the top floor of a brick apartment building on a Sunday afternoon in April. It fell 3.00 seconds before crashing into multiple pieces on the wet sidewalk below. How far did the flower pot fall?

80. ## science

What is the percent concentration of 0.4 M K2SO4 solution? Atomic mass: K-39g,S-32g, O-16g

81. ## Chemistry

Silver chloride has Ksp=1.6x10^-10 and silver cheomate has Ksp=9.0x10^-12. We have 1.00 liter of a solution contains both nacl(0.10M) and Na2cro4(0.10M) solid AgNo3 is added slowly and the solution is stirred well. a) which precipitate first Agcl or

82. ## English

Hi, I was wondering if you could loose an accent. I speak English and have an American accent. But English is not my first language. My parents are afraid that I'm going to loose my American accent of English, since I'm home-schooled and do not talk in

83. ## SS PLZ HELP ME ASAP

What are the two major forces that shape and reshape earth? Describe how each one works. plz plz plz help me there are no answer choices hope u can still help

84. ## math

you are baking cookies. recipe 2 cup sugar 1-1/2 cup flour 2 eggs a- you make one and one-half batches of cookies, how many eggs have you used? Answer- 2 eggs b- Each batch makes 24 cookies. you make x batches of cookies but eat 5 cookies as you are

85. ## math

need help with a homework please explain how to get answer to ms hernandez has 17 tomato plants that she want to plant in rows. she will put 2 plants in some rows and 1 plant in the others. how many different ways can she plant the tomato plants? make a

86. ## Pre Calculus 1

thirty percent of a radioactive substance decays in four years. assuming the decay is exponential, find the half life of the substance. the beginning of 1975 the population of a country was 40 million and growing at a rate of 3% per year. Assume that the

87. ## Math

An electrician charges \$120 after 2 hours of work and \$190after 4 hours of work .write a linear model that represents the total cost as a function of the number of hours worked

88. ## SS plz help me plzzzzzzz

What are the two major forces that reshape earth? Describe how itworks. plz plz plz help me there are no answer choices hope u can still help

89. ## physics

Two ice skaters of equal mass grab hands and spin in a circle once every four seconds. their arms are 0.76 m and they each have mass of 55.0 kg. how hard are they pulling on one another?

90. ## Statistics

An urn contains three yellow,four green and five blue balls. Two balls are randomly drawn without replacement. Find the probability of the following events: a.both balls are blue. b.the first ball is green and the second yellow. c.there is one green and

91. ## Chemistry

What is the net ionic equation of potassium carbonate combines with strontium hydroxide?

92. ## Science

1. Which organisms are capable of converting gaseous nitrogen in the air into a form that other living organisms can use? (1 point) A.)nitrogen-fixing bacteria B.)denitrifying bacteria C.)decomposers D.)producers 2. Which step in the nitrogen cycle is

93. ## Physics

Tarzan tries to cross a river by swinging from one bank to the other on a vine that is 11.2 m long. His speed at the bottom of the swing is 7.0 m/s. Tarzan does not know that the vine has a breaking strength of 1.0 ✕ 103 N. What is the largest mass that

94. ## physics

1.) A 7159 N piano is to be pushed up a(n) 2.26 m frictionless plank that makes an angle of 25.6 degrees with the horizontal. Calculate the work done in sliding the piano up the plank at a slow constant rate. Answer in units of J. 2.) A 20 g bullet is

95. ## Math

Sea water contains 3.5g of salt per liter.How many grams of salt are their in 2000ml of sea water?

Reasoning Word Problem: A school's lockers are numbered 1-100. One hundred students enter the school one at a time. The first student opens the lockers. The second student closes the even-numbered lockers. The third student either closes or opens every

97. ## math

In a class of 30 students, 18 offer mathematics (M), 15 offer science (S) and 13 offer english (€). The number of students who offer all the three subjects is equal to the number of students who do not offer any of these subject. 10 students offer both

98. ## Physics

A fence post is 50.0 m from where you are standing, in s direction of 37.0 degree north of east. A second fence post is due south from you. What is the distance of the second post from you,if the distance between the two posts is 80.0?

99. ## trigonometry

y=−34 sin(10θ+10π)−14 I need to graph this trigonometry problem. I need the parent graph, period, vertical shift, phase shift, a separate graph showing the new mid line with the amplitude and a final product graph. thanks for any help :)

100. ## Algebra 1- Just one question

Rebecca is shopping for back-to-school clothes. For every 4 shirts she buys, she also buys 1 pair of pants. Each shirt costs \$12.97, and each pair of pants costs \$18.98. If Rebecca buys 8 shirts, how much does she spend on pants? a. \$25.96 b. \$37.96 c.

101. ## physics

A 70 kg man stands at the end of a 12 m long platform. The end opposite to the man rests on the edge of a wall, and a support column is located a distance d = 3 m from the end with the man. The platform itself has a mass of 300 kg. (a) How much weight does

102. ## Math

A factory produces x calculators per day. The total daily cost in Shillings incured is 5x^2-800x+500. If the calculators are sold for sh (100-10x) each, i, Determine the profit function ii, Find the number of calculators that would maximize the daily

Is Mcdonalds expanding into the McCafe business considered a blue ocean strategy?

104. ## Maths

Jill spent 40% of her money . If she had €120 left , how much had she at the start ?

105. ## math

Suppose x has a binomial probability distribution with n = 200 and p = 0.60. Use the normal approximation to the binomial to find P (X > 130).

106. ## Physics

3.A brown flower pot is dropped from an open window from the top floor of a brick apartment building on a Sunday afternoon in April. It fell 3.00 seconds before crashing into multiple pieces on the wet sidewalk below. How far did the flower pot fall?

107. ## Math

The mass of a box with 6 tennis balls is 2 kg 40 g. The same box with 10 tennis balls is 3 kg 160g. What is the mass of the empty box?

108. ## Vocab

The _______ definition of gloomy is dismal or depressing. A. connotative B. denotative B?

109. ## Math

What is 75% of 260

110. ## math

Twice the sum of two numbers exceed three times their difference by 8, while half the sum is one more than the difference. What are the numbers?

111. ## Math

A Company manufactures two products X and Y by means of two process A and B. The maximum capacity of process A is 17500hours and of process B 400hrs. Each unit of product X requires 3hours in A and 2 Hours in B, while each unit of product Y requires I hour

112. ## physics

What would be the orbital speed and period of a satellite in orbit 1.50 ✕ 10^8 m above the Earth?

113. ## history

I don't understand what the teacher meant by this question: how would the geography and climate zones affect where you live? (Include culture)

114. ## chemistry

You have a 250ml solution of 0.13M calcium iodate. How many grams of potassium iodate need to be added to the solution to begin to precipitate calcium iodate? The solubility product constant for calcium iodate is6.47 *10^-6. B) you have a 250ml solution of

115. ## physics

A pistol of mass 2 kg fires a bullet of mass 50 g. The bullet strikes a stationary block of mass 1 2 kg. If the block, with the bullet embedded in it, moves with a velocity of 4 m/s, the recoil velocity of the pistol will be (Ignore friction and air

116. ## Chemistry

A chemist prepared a solution by dissolving 52.0 g of hydrated sodium carbonate in water to a total volume of 5.00 dm3. The concentration was determined to be 0.0366 M. Determine the formula of the hydrated sodium carbonate.

117. ## physics

During a baseball game, a batter hits a popup to a fielder 80 m away. The acceleration of gravity is 9.8 m/s2 . If the ball remains in the air for 5.5 s, how high does it rise? Answer in units of m.

118. ## chemistry

You have a 250ml solution of 0.13M calcium iodate. How many grams of potassium iodate need to be added to the solution to begin to precipitate calcium iodate? The solubility product constant for calcium iodate is6.47 *10^-6. B) you have a 250ml solution of

119. ## statistics

how even numbers greater than 40,000 may be formed using the digits 3,4,5,6,and 9 if each digit must be used exactly once in each number?

120. ## physics

A 48-kg box is being pushed a distance of 7.5 m across the floor by a force Upper POverscript right-arrow EndScripts ⁢ whose magnitude is 185 N. The force Upper POverscript right-arrow EndScripts ⁢ is parallel to the displacement of the box. The

121. ## math

this month`s sales of \$85,000 are greater than 1/2 of the sales of march repesented by the letter . What was March`s sales .

122. ## algebra

How many degrees warmer is the average temperature -1.7 than -13.4

123. ## Chemistry

a 6.0 mole sample of Ca3(PO4)2 and a 12.0 mole sample of SiO2 react in an evacuated vessel. after one of the reactants is fully consumed, how much of the gas is created? How exactly would you solve this problem? Would you have to find the molar mass of

124. ## Math

Carlos has 3 candy bars. each candy bar is cut into 12 pieces. he wants to share with 8 friends and have some for himself. how much will each person get. please help been working on this for an hour

125. ## math

A man buys 120 oranges at 6 a rupee and 12atmore at 5 a rupee and he sold the whole lot for 4 a rupee. What was his total profit and profit % ? Ans- Rs16, 36 4/11% Please help me to get the right solution of it.

126. ## math

A fruit seller buys 100 bananas for Rs 40. Twenty bananas are spoiled and thrown away. At what rate should he sell the remaining so as to gain 10% ? Pls give me the solution of it.

127. ## math

a mathematics question contained 20 items. every wrong answer scores -2marks, every correct answer scores 4marks and no mark for no answer. (a) find the minimum possible score (b) Tembo had 10 correct answers, 8 wrong answers and 2 no answers. What was his

128. ## Math

Write these numbers in scientific notation... 1) 2,000,000 2)0.0000007

129. ## Calculus III

Use symmetry to evaluate the double integral ∫∫R(10+x^2⋅y^5) dA, R=[0, 6]×[−4, 4]. (Give your answer as an exact number.) ∫∫R(10+x^2⋅y^5) dA=

130. ## Pure Mathematics

3x + 2y + z = 4 2x + y - 3z = 2 7x + 4y -5z = 8 How to solve?

A class of 32 students voted on their favorite colors. 1/4 students said green is their favorite, 3/8 said red, the rest said orange. What fraction of students said their favorite color is orange and how many voted for each color. very confusing please

132. ## Chemistry

What is the net ionic equation of potassium carbonate combines with strontium hydroxide?

133. ## chemistry

At room temperature (25 °C), the gas ClNO is impure because it decomposes slightly according to the equation 2ClNO(g) Cl2(g) + 2NO(g) The extent of decomposition is about 4%. Based upon this, the approximate value of ΔG°298 for the reaction at that

134. ## Mathematics

Solve 2cos^2(x) + 4sin(x)-3 = 0, giving all solutions in the interval 0 ≤ x ≤ 2π

135. ## math

Juan sold a boat that he bought 5 years ago. He sold it for 70%less than he originally paid for it. If the original cost is b , write an expression that shows how much he sold the boat for

136. ## Algebra

The Freezer temperature is to be kept between 18F and 28F, inclusive

137. ## Physics

Consider a 4.6 kilogram object moves from the origin always to the right (call that x-axis). Its speed increases uniformly (means constant acceleration) from zero to 0.667 metres/sec. 1.Describe how its velocity changes: initial, final and whether it

138. ## Physics

Kim an entrepreneur students walks 20m,30°NE,then turns N 30m,and takes 40m W and finally 20m 45°SE to reach the building for his next class.what is kims total displacement

139. ## Physics

Three vectors A,B and C have the following x and y components Ax = 3.6, Ay=-3.4; Bx=-5.5, By=1.9; Cx=2.5, Cy=3.4 What is the magnitude of A+B+C?

140. ## Chemistry

What is the pH of a solution resulting from the addition of 10.0 mL of 0.17 M HCl to 50.0 mL of 0.16 M NH3? Assume the volumes are additive. Kb of NH3 = 1.8 ✕ 10-5.

Find the GCF's of the numbers 36, 81, and 27

142. ## Analytic Geometry

A line Q has an equation of x+5y+5=0. Find the equation of the line that is "perpendicular" to Q an passes through (3,1). Find the equation of the line that is "parallel" to Q and passes to through (3,1). Find the equation of the line that passes through

143. ## Analytic Geometry

A line Q has an equation of x+5x+5=0. Find the equation of the line that is "perpendicular" to Q and passes through (3,1). Find the question of the line that is "parallel" to Q and passes to through (3,1). Find the equation of the line that passes through

144. ## physics

A 20 g bullet is accelerated in a rifle barrel 45 cm long to a speed of 354 m/s. Use the work-energy theorem to find the average force exerted on the bullet while it is being accelerated. Answer in units of N.

145. ## Math

A family wants to begin saviving for a trip to paris. The trip is planned for 3 years from now, and the family wants to accumulate one million shillings for the trip, if twelve deposits are made quartely to an account which earns interest at the rate of 8

146. ## Physics

2.An airplane flies north at a constant speed of 220 km/h. How far will the plane travel in 3.50 h?

147. ## Chemistry

What is the function of a salt bridge in a galvanic cell? 1. To permit electrons to flow through the solution. 2. To maintain a steady flow of reactants from the cathode to the anode. 3. To form complex ions with the products of oxidation at the anode. 4.

148. ## maths

My question is: A cheeseburger costs twice as much as a can of coke. If a cheeseburger and a can of coke cost €2.10, how much is the cheeseburger.

149. ## 8th grade Pre Algebra

Seriously stuck on this: "Find the LCM of n^3 × t^2 and n × t^4?" 1) n^4 × t^6 2) n^3 × t^6 3) n^3 × t^4 4) n × t^2 Can anyone help? URGENT! NEED THIS ANSWERED ASAP!! :( Thanks for your assistance in advance, NatR

150. ## chemistry

how many liters of ammonia at STP are required to produce 4.65 grams of hydrogen fluoride?

151. ## Math

Question: Describe and fix the error in the following solution 9.50 - 7.18 = 2.48 Answer: I really don't see the mistake in this problem.

152. ## Algebra II

How can you completely factor the following polynomial: 6x^5-51x^3-27x

153. ## Math

1. Mark is 5 years younger than his 16 year old sister. What is Mark's age. Write in equation form. 2. Vinn works at the petshop for \$11 per hour. How many hours did he work if he made \$93.50? Write in equation form.

154. ## math

estimate the product. choose a method. 63×19

155. ## Math NEED HELP NOW! SO CONFUSED! :'(

How do I find the GCF's of these following problems... 1) 36, 81, 27 2) 15, 17, 30 3) 3x^2y, 9x^2 4) 8a^2b, 14ab^2 %) 3cd^4, 12c^3d, 6c^2d^2

156. ## Chemistry (Check)

What is the volume of the gas in a balloon at -195 degrees C if the balloon has been filled to a volume of 5.0L at 25 degrees C? Vf = 1.3L

157. ## Ancient History

How did the Roman people feel about Rome being shifted to an Empire from a Republic? I cannot seem to find anything so far from any reputable sources, so if you could suggest some, that would be appreciated

158. ## History

were there any similarities between the roman emperors nero and caligula, and the roman general mark antony?

159. ## Physical science

A train with a mass of 200,000 kg manages to brake to a speed of 3 m/sec before colliding with a truck with a mass of 2,000 kg that is stuck on the track. What speed does the truck move away from the train.

Okay let me try again...#4 8a^2b= 2*4*a*a*b 14ab^2= 2*7*a*b*b They both have 2 in common They both have a in common They both have b in common So.... 2ab?

161. ## 5th grade math word problems

abby has been practicing for her soccer game. She has been running 5/8 of a mile every day for 4 days. How many total miles does she run?Use a representation and write an equation. I do not understand what a representation is and would I multiply fractions

Mary purchased incredients needed to cookies. a table shows the cost for each batch of 5 dozen cookies. (\$10.00 total) and the price of cookies = 1/2 dozen = \$5; 1 dozen = \$8 and 5 dozen = \$35. question is if mary sells 3 dozen cookies. what is her

163. ## Chemistry

I'm solving for the mass of PEG for my 500ml solution, however I don't know what density should I use to convert 50g PEG/kg H2O? Should it be of the H2O or of PEG? Thank you very much! This is my solution: Concentration: 50g PEG/kg H2O Vol= 500 ml or 0.5L

164. ## English

In indirect speech, is it correct to write Joe asked Nelson when did Gabriel reach home or when Gabriel had reached home. Please explain

165. ## Discrete

When drawing a card from a 52 card deck, what is the probability that you draw a diamond or a number card between 32 and 8 inclusive?

166. ## chemistry

Maximum mass of water in combustion of 20g hydrogen?

167. ## SQL PROGRAMMING INFORMATION SYSTEMS

In the following SQL query why do they have an independent letter then period then the table name? I seemed to have missed something in the reading and cannot find it for the life of me SELECT D.DNAME, E.ENAME FROM DEPT D LEFT OUTER JOIN EMP E ON D.DEPTNO

168. ## math

pine city (x) is less than or equal to 20 miles from sun vally depending on the route you take how many miles is pine city from sun vally

169. ## Physics

Draw a sketch of a 2 pound book at rest on a level surface. Write a force inventory and draw a free body diagram.

170. ## chemistry

please show the step by step for theoretical yield /yield % of 1.963g NaHCO3-Na2CO3

what are three reliable sources for market research

172. ## Finance

Mr Joe is trying to plan for retirement in 10 years, and currently he has RM150,000 in a saving account and RM250,000 in common stocks. In addition, Mr Joe plans to add to his savings by depositing RM8,000 per year at the end of each year for the last 5

173. ## math

The sum of two numbers is a twice the bigger number minus the smaller is 17. Find the two numbers

174. ## Math

A fertilizer covers 5/8 square foot in 1/4 hour. I got 20/8 5/8 / 1/4 5/8 • 4/1 20/8

175. ## Mathematics

Lt h¡ú0 sec (x+h)-sex (x)/h=?

176. ## Math

The first term in a sequence is 4 and each of the following terms is found by multiplying the previous term by n. What is the fifteenth term? Is the answer 4n(15)?

177. ## school math 3rd grader

Meg spent \$3.75 on candy and \$4.89 on toys. How much did she spend in all? Find the solution to your subtraction problem without doing any calculation. Explain.

178. ## Economics senior secondary school 1

Find the standard devation of 4,6,8,10 and 12

179. ## Social Studies

What role did freed slaves play in Shermans capture of Atlanta?

180. ## mathss

( )+ ( ) +( )=30.to find the answer in this numbers.1,3,5,7,9,11,13,15

181. ## culinary arts

what is the answer if you buy 2 lbs of squash and the squash costs \$2.05 a pound?

182. ## Algebra 2

Is my answer correct? Directions: Determine whether y is a function of x. Problem: x^2+y^2=16 Answer: x^2+y^2+-x^2=16+-x^2 y^2=-x^2+16 y= ±√-x^2+16 y is not a function of x

183. ## Math

How do i write this in expanded form? 1.1^3

184. ## Math

What is 503,000,000 as a percentage?

185. ## school math 3rd grader

how to find solution to subtraction problem without doing any calculation. explain?

186. ## Math: proofs

if f exist in the Riemann integral from [a,b] and if (P_n) is any sequence of tagged partitions of [a,b] such that the norm of these tagged partitions goes to 0 and lim_n S(g,P_n) exists.

187. ## math

If rt=3+t²,then dr∕dt=−−−−−−

188. ## Math PLZ HELP NOW!!

7a^4*3a^2= ? Can you show me step-by-step please? Thanks a bunch :3

189. ## Math

Group member - Time take Juan. 32.35 Ricardo. 21.78 Lucas. 23.18 Calculate u sing the work model. Using the individual times for your three team members, write an equation to model the work done, and solve that equation for the estimated time that it takes

190. ## Intro to Chemistry

Does the Periodic table have any kind of pattern for brittleness? If so, what is it? For example, the elements on the left are more brittle, while the ones on the right are less brittle.

192. ## Math

Show that the equation tanθ = sinθ can be written in the form sinθ(1 - 5cosθ) = 0?

193. ## Chemistry

A solution is prepared by dissolving 3.0 × 10-4 mol of AgNO3 and 3.0 × 10-5 mol of K2CrO4 in 1.00 liter of solution. With respect to Ag2CrO4 (Ksp = 1.9 × 10-12), is the resulting solution saturated, supersaturated, or unsaturated? I know you do

194. ## Math

A family wants to begin saviving for a trip to paris. The trip is planned for 3 years from now, and the family wants to accumulate one million shillings for the trip, if twelve deposits are made quartely to an account which earns interest at the rate of 8

195. ## Quick English check ms sue

Select the term that is best represented by each statement below. Use the words complement, concern, contend, efficacious, emulate, exploit, facile, industrious, obtain, resuscitate. Correct me if I'm wrong on any of these! Thank you. 1. "I strive to win."

196. ## IT

Where would you find an address book on email? Archive - Would be old data files. Inbox - Like your mailbox. Insert - Command Tools - Control panel type. I'm thinking A but I am absolutely not sure, final for my course. They are all stupid answers, but

197. ## psychology

do dolescent boys engage in some law-breaking behaviors while in their teens

198. ## Mathematics

Show that the equation tanθ = sinθ can be written in the form sinθ(1 - 5cosθ) = 0?

199. ## Math

Least to greatest and write as a decimal? 3 1/2, 3 1/4, 3 1/3, and 3 2/5

200. ## Chemistry

Calculate the value of theshielding constant if the first ionosaton energy of Helium is 3.98x10ᴧ -19 J/mol

201. ## science

how fast do sea horses swim. A.30 B.100 C.22 D.none of the above

asked by k.c (hidding real name here)
202. ## math

If the absolute value of a negative number is 2.78 what is the distance on the number line between the number and its absolute value

203. ## algebra

The sum of Kaitlyn and John's ages is 26 and one-thirds years. John is twelve years older than Kaitlyn. How old is Kaitlyn?

204. ## maths

a mathematics question contained 20 items. every wrong answer scores -2marks, every correct answer scores 4marks and no mark for no answer. find the maximum possible score

205. ## geometry

given: -n+6=8n+6n prove:n=0