# Questions Asked onOctober 4, 2017

1. ## Literature

Jack London never actually set foot north of California a. true b. false *****

2. ## Science

Explain the value or importance of using the International System of Units when describing motion. Provide an example that supports your reasoning.

3. ## math

The cost of making a shirt is half of what the shirt normally sells for. Today, however, the shirt is on a 15% discount from its normal price. What is the current price of the shirt?

4. ## art

When painting a portrait of a face in proportion, it is important to do all of the following, except a. to keep the size of the ear the same as the size of the eye. b. to keep the corners of the mouth lined up with the center of the eyes. c. to keep the

5. ## PHYSICS HELP

A diamond's index of refraction for red light, 656 nm is 2.410 while that for blue light, 434 nm, is 2.450. Suppose white light is incident on the diamond at 30 degrees. Find the angles of refraction for these two colors.

6. ## math

1. use benchmarks to estimate the sum. 11/15 + 1/8 A. about 1/2 B. about 3/4 C. about 1 D. about 1 1/2

7. ## history

Which accurately describes similarities between feudal Europe and Japan? (Select all that apply.) the peasants in both Europe and japan received goods instead of money for their work efforts the warrior class in both Europe and japan followed strict moral

8. ## Physics

An 8.0-kg history textbook is placed on a 1.25-m high desk. How large is the gravitational potential energy of the textbook-earth system relative to the desktop?

9. ## Emergent computer tech.

1. What file is being called by this IMG tag? (1 point) answer= SRC 2. What type of link is used to call this file? (1 point) answer=need help with this one 3. If the user loads this graphic in a text-only browser how will the browser describe it? (1

10. ## SS

1. What is a definition of citizenship A. having to be born in a country b. being a full and equal member of a nation c.having pledged to respect and support a government valus*** d.Full filling all the responsibilities and having all the rights of living

11. ## history

How did the Catholic Church affect medieval politics? the hierarchical structure of the catholic church inspired a feudal society the catholic church imposed a meritocracy government in rome the charitable structure of the catholic church inspired a

12. ## history

Which accurately describes the impact of the Catholic Church on medieval politics and government? (Select all that apply.) the catholic church doctrine required a clear distinction between church and state the catholic church unified different kingdoms of

13. ## World History

To begin, complete the chart below by organizing different social and economic classes of people in the Middle Ages. Arrange the following groups in the proper order according to their place in society: serfs, nobles, clergy, merchants, monarchs, artisans,

14. ## history

In Europe, warriors of the feudalist society were referred to as knights (1). In Japan, they were known as ninjas (2). Knights were bound by a moral code known as chivalry (3), whereas ninjas followed the moral code of bushido (4). I think 1,2 are true and

15. ## social studies

wich of the following was one of the influences of the roman republic in the framing of the constitution? 1a centralized government that provides for more order 2elected representatives who are the voice of the people 3a judicial system that is controlled

16. ## Physics

A moving-coil instrument gives a full-scale deflection when the current is 40mA and its resistance is 25 Ω. Calculate the value of shunt to be connected in parallel with the metre to enable it to be used as an ammeter for measuring currents up to 50A

17. ## Language helppppp

1.Which question should you ask during your first read of the multi-draft reading process? 1. What is the author's purpose in writing this piece? How has this work increased my knowledge of a subject, issue, or event? What evidence does the author present

18. ## Science Help!

How does sea-floor spreading occur? A)New materials are being added to the asthenosphere B) Earthquakes break apart the ocean floor C)Sediments accumulate at the areas of the spreading D)Molten material beneath Earth's crust rises to the surface

19. ## ENGLISH HELP URGENT ! PLEASEE

" An ATTEMPT to healthy living can cause misery. How true is this" Are these arguments good/fair enough ?? against : a) attempting to live a healthy lifestyle means involvement in sports and outdoor activities, yoga classes, gym bla bla bla. these help one

20. ## math

During a scuba drive, Lainey descended to a point 20 feet below the ocean surface. She continued her descent at a rate of 20 feet per minute. Write an inequality you could solve to find the number of minutes she can continue to descend if she does not want

21. ## Social Studies

which group was primarily connected with the democratic republicans wealthy merchants enslaved african Americans manufacturing leaders small farmers my answer is a

22. ## PHYSICS HELP

A mercury atom drops from 8.82 eV to 6.67 eve. 1) What is the energy of the photon emitted by the mercury atom? 2) What is the frequency of the photon? 3)What is the wavelength?

describe the taino view of columbus voyage and their encounter with the europeans'

24. ## history

Which event best identifies the beginning of the so-called Dark Ages in Europe? initiation of the hundred years war spread of the bubonic plaque fall of the roman empire rise of the arab empire I think its c

25. ## math

1. The class social committee, consisting of 6 people, is planning a party. The committee wants to have a cake for the group. If each cake provides 24 servings, how many cakes should the committee order to serve a class of 70 and staff of 3? 2. Young adult

1/3 cup of flour makes 5 dinner rolls. How many cups of flour for 3 dozens rolls?

27. ## English Literature

In "The Call of the Wild", why did Buck end up in the Yukon Territory?

28. ## social studies

wich of the following was one of the influences of the roman republic in the framing of the constitution? 1a centralized government that provides for more order 2elected representatives who are the voice of the people 3a judicial system that is controlled

29. ## Math

1. Sally was able to eat 5/8 of her lunch. John ate 75% of his lunch. Who are more of their lunch? a. John b. Sally c. They both ate the same number amount d. The amount cannot be calculated

30. ## Social Studie

1: How does sea-floor spreading occur? A, New materials are being added to the asthenosphere. B, Earthquakes break apart the ocean floor. C, Sediments accumulate at the area of spreading. D, Molten material beneath Earth's crust rises to the surface. 2,

1) Identify the dependent clause in this sentence: The mother dog left her bed as soon as the puppies were asleep. a) As soon as the puppies were asleep b) Left her bed as soon as c) The puppies were asleep d) The mother dog left her bed 2) Which sentence

32. ## history

European medieval life was dominated by the Catholic Church (1). The Church defined and maintained social order (2). Catholic social programs cared for the poor, the sick, and the orphaned (3). Catholic monks provided literacy programs to peasants to

33. ## ELA

Did you predict the outcome of the battle between Rikki-tikki and Nagaina? In a paragraph, explain how easy or difficult it is for readers to predict the outcome of "Rikki-tikki-tavi." What prior knowledge do they need? What events in the story help the

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34. ## SS

What are some of the benefits and pitfalls of the ethnic, language, and religious diversity?

35. ## Honors English 10A

What does the map "under glass" symbolizes in Atwood's "At the Tourist Center in Boston?" a. the unrealistically sterile image of Canada b. the destruction of Canada's natural resources c. the speaker's rage towards Canada's modern image (my answer) d. the

36. ## Math

How to use the hundredths grids to subtract 1.65-0.98

37. ## statistics

An ordinary (fair) die is a cube with the numbers 1 through 6 on the sides (represented by painted spots). Imagine that such a die is rolled twice in succession and that the face values of the two rolls are added together. This sum is recorded as the

38. ## SS

4. Which of the following statements best summarizes Washington viewpoint on American foreign policy

39. ## math

ifcosX+cosY=a and sinX+sinY=b than prove thatsin2X+sin2Y=2ab(1-2/(a^2+b^2)

40. ## Math

When Maria Acosta bought a car 2.5 years ago, she borrowed \$10,000 for 48 months at 7.8% compounded monthly. Her monthly payments are \$243.19, but she'd like to pay off the loan early. How much will she owe just after her payment at the 2.5 year mark?

41. ## Math

An office worker mails 25 envelopes to customers each day. Every envelope contains 3 reports with a paper clip on each one. The supply of paper clips is provided in boxes of 500. How many days will it take for the clerk to use up one box of paper clips?

42. ## Grammar

Select the word or phrase that makes the sentence grammatically correct. 1. A tuberculin skin test should be read within 24 hrs. ____ administration. a. Of b. Since c. As d. From 2. The student ______ for the final exam. a. Didn’t studied b. Was studying

Describe The European view of Columbus’s voyage and his encounter with the Taino

44. ## Math

There are 50 lockers, numbered 1 throught 50, in a short hall at Phillips Middle School. Mr. Giannetti hid trears for his class in one of the lockers. He gave the class the following clues about the locker where the treats are located. Clue 1. The number

45. ## Physics

A child uses a rubber band to launch a bottle cap at an angle of 40.0° above the horizontal. The cap travels a horizontal distance of 1.30 m in 1.40 s. What was the initial speed of the bottle cap, just after leaving the rubber band?

46. ## social studies

what issue or events highlighted the insufficiently of the power of the central government under the articles of confederation? the central government's inability to impose takes on states the laws congress created relative to the northwest territory the

47. ## Chemistry

. Using I2 (aq)+ 2S2O3=> S4O6 (aq)+ 2I(aq) calculate the number of moles of molecular iodine. Given that there are 0.004328482 Moles of Na2S2O3. can someone please help i have no idea how to do this question for my lab!!! if possible please explain with

48. ## Oceans

4. How are ocean trenches formed? Here are somethings I think I can put: Are any of these correct? • Ocean trenches are formed when oceanic plate cools and moves to the surface of the ocean • Ocean trenches are formed when the denser oceanic plate

49. ## Grammar

1. He tried to remember that names of all the people_________ were there that night. a. Whom b. That c. Whose d. Which 2. A synonym is a word _________ a meaning similar to another word. a. Who have b. That have c. Who is having d. Having 3. After having

50. ## Math

How do you write 680% s a fraction, mixed number, or whole number in simplest form? I need help please

51. ## Math

6. A motorcycle purchased for \$12,500 today will be valued 7% less each year. How much could you expect to receive for the motorcycle at the end of 4 years if you wanted to sell it

52. ## Math

1.) Is it possible for a composite number to have more than one prime factorization? Is it possible for a number to have no prime factors? Why? 2.) Give an example of how prime factorization could be used in the real world. Thank you to anyone that takes

53. ## Science

Given the parent genotype AaBbCCDDEe, what is the probability of each of these gametes forming? a) ABCDE b) either ABCDE or abCDE Would the answer for a) be 1/8 and for b) be 1/2?

54. ## Language Arts

Help me compare Concrete Mixers by Patricia Hubbell and The City Is So Big by Richard Garcia

55. ## Math

What is my number? Clue 1. My number is a perfect square. Clue 2. The only prime number in its prime factorization is 2. Clue 3. My number is a factor of 32. Clue 4. The sum of its digits is odd.

56. ## Physics

A 1500 kg automobile travels at a speed of 105 km/h along a straight concrete highway. Faced with an emergency situation, the driver jams on the brakes, and the car skids to a stop. (a) What will be the car's stopping distance for dry pavement (µ = 0.85)?

57. ## Math

7. The value of a computer has a decay factor of 0.85 per year. After 2 years, the computer is worth \$1445. What was the original value of the computer?

58. ## Algebra 2

the function f(x)=-5x. The graph of g(x) is f(x) vertically compressed by a factor of 1/4 and reflected in the x axis. What is the function rule for g(x)

59. ## history

In forty seven ronin what is the author's message?

60. ## science

Balance the equations. AI+CuO-->AI2O3=Cu Fe2O3=C-->Fe=CO2 SO2=O2-->So3 i need help please

61. ## math

A scuba diver dove from the surface of the ocean to an elevation of −89 9 10 feet at a rate of −24 feet per minute. After spending 11.75 minutes at that elevation, the diver ascended to an elevation of −8 9 10 feet. The total time for the dive so far

62. ## social studies

wich of the following was one of the influences of the roman republic in the framing of the constitution? 1a centralized government that provides for more order 2elected representatives who are the voice of the people 3a judicial system that is controlled

63. ## Math

A \$10,000 loan is to be amortized for 10 years with quarterly payments of \$349.72. If the interest rate is 7%, compounded quarterly, what is the unpaid balance immediately after the sixth payment? (Round your answer to the nearest cent.)

64. ## Punnett Square

Given the parent genotype AaBbCCDDEe, what is the probability of each of these gametes forming? a) ABCDE b) either ABCDE or abCDE

65. ## Chemistry

Using I2 (aq)+ 2S2O3=> S4O6 (aq)+ 2I(aq) calculate the number of moles of molecular iodine. Given that there are 0.004328482 Moles of Na2S2O3.

66. ## chemistry

The average human body has 1.4x10^2 g of total K within it. Calculate the activity in disintegration/year of the potassium-40 in the average human body using your value of t1/2 (or K) of this substanc

67. ## Algebra 2

Let g(x) be the reflection of f(x)=3x+2 in the x-axis. What is a function rule for g(x)? a. g(x)=3x-2 b. g(x)=-3x-2 c. g(x)=3x+2 d. g(x)=-3x+2

68. ## Math

2.which value is a solution of the equation 3-2x=-5? a.2 b.4*** c.-2 d.1/5 NEED ANSWER ASAP

69. ## Physics

A force acts on a 1.5-kg, mass, giving it an acceleration of 3.0m/s^2. (A) If the same force acts on a 2.5-kg mass, what acceleration would be produced? (B) what is the magnitude of the force?

70. ## CHEMISTRY

A solution is made up of 150g of disodium phosphate. Na2HPO4.7H20,dissolved in 2500g of water. what is the molality of the solution? 1) 0.107m 2)0.224m 3)2.365m 4)2.679

71. ## Computer Science

You want to buy a new car, and you are thinking about two alternatives, car A and car B. You like both cars, and you are considering keeping whichever one you buy for many years to come. As a result, you want to evaluate the total cost of ownership of both

72. ## Punnett Square

Given the parent genotype AaBbCCDDEe, what is the probability of each of these gametes forming? a) ABCDE b) either ABCDE or abCDE Would the answer for a) be 1/8 and for b) be 1/2?

73. ## Chemistry

A SAMPLE OF ANTIMONY, Ar=121.8, WAS ANALYSED AND WAS FOUND TO CONSIST OF 60% OF 121Sb AND ONE OTHER ISOTOPE. DETERMINE THE MASS NUMBER OF THE OTHER ISOTOPE IN THE SAMPLE OF ANTIMONY. Someone said: assume you have 100 grams. It becomes the overused algebra

74. ## Chemistry

Ytterbium, atomic number 70, is the first element in the Periodic table to have the first four shells full. a) State the number of electrons in the fourth shell/ level of ytterbium (1) b)How many orbitals are there in the third shell of ytterbium? (1)

75. ## College Algebra

The area of a rectangular carpet is 12 square feet. The length is four feet more than the width. Find the length and the width of the carpet.

76. ## Physics!

A force acts on a 1.5-kg, mass, giving it an acceleration of 3.0m/s^2. (A) If the same force acts on a 2.5-kg mass, what acceleration would be produced? (B) what is the magnitude of the force?

77. ## Math

a) Find all of the numbers between 1 and 1,000 that have 2 as their only prime factor. b) What is the next number after 1,000 that had 2 as its only prime fractor?

78. ## Computer Science

You want to buy a new car, and you are thinking about two alternatives, car A and car B. You like both cars, and you are considering keeping whichever one you buy for many years to come. As a result, you want to evaluate the total cost of ownership of both

79. ## PHYSICS HELP

The threshold wavelength of zinc is 390 nm. 1) Find the frequency of zinc 2) What is the work function in eVerything of zinc? 3) Zinc in a photocell is irradiated u ultraviolet light of 260 nm wavelength. What is the kinetic energy of the photoelectrons in

80. ## History

What were three positive and three negative effects of European contact on Native Americans?

81. ## Math

\$25000 is invested for 4 years 9 months .If the invesment is offered 12% compounded semi anually for the first 2 years and 10% compounded quarterly for the rest of the period,find the future value of this invesment.

82. ## ELA

Which of the following sentences contains a singular possessive noun? A.The book tells the nation's history. B.Some wars begin over minor issues. C.My parents' families are from Scotland. D.The men's kilts identify their clans. My answer is A

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83. ## History

How did the concept of the “established church” affect the pilgrims? A. It proved the pilgrims’ willingness to reform. B. It demonstrated the pilgrims’ desire to limit religious freedom C. It cause the pilgrims desire to limit religious freedom D.

84. ## Mathematics

The triathlete swam 2 miles in 56 minutes. Then, he rode his bicycle 100 miles in 5 hours. Finally, he ran 20 miles in 106 minutes. How many minutes did it take him to complete the course? During which portion of the race did he have the greatest average

85. ## ELA

I'm trying to write an introduction to my paragraph can you help,does this make sense? Many may think that letting teens play violent role-playing games has little to no effect on their behavior. What many don’t know though, are negative impacts on the

unit 4 lesson 11 pleeaassee hhheeelllppp

87. ## Math

Write forty -five thousand eight hundred sixty -one thousandth in decimal number.

88. ## Chemistry

Element X has three isotopes Isotope 1 Isotope 2 Isotope 3 Mass 28 29 30 Abundance % 92.18 4.71 3.12 ii)Use the isotope abundances and masses to calculate the relative atomic mass of x. Quote your answer to one decimal place. ii) Identify Element X. Show

89. ## Math

1) The numbers 2 and 3 are prime numbers. They are also consecutive numbers. Are there other pairs of primes that are consecutive numbers? Why or why not? 2) which group of numbers, evens or odds, includes more prime numbers? Why?

90. ## Economics

Why did John Mayard Keynes decide to become an economist/ financial guru, apart from his interest?

91. ## biology

1. What is the major component of blood plasma? a. Nutrients b. Ions c. Water d. Gases 2. How many layers of phospholipids does the cell membrane contain? a. 1 b. 2 c. 4 d. 3 3. Which substance stores polysaccharides in plants? a. Sucrose b. Glycogen c.

92. ## Math

What is my number? Clue 1. My number is a multiple of 5, but it does not end in 5. Clue 2. The prime factorization of my number is a string of three numbers. Clue 3. Two of the numbers in the prime factorization are the same. Clue 4. My number is greater

93. ## CHEMISTRY

How much of h2so4 would be required to make 2.5dm3 of a 1/10 normal solution? 1)12.3g 2)24.5g 3)49.0g d)122.5g

94. ## Algebra 1

Name the property that is used in the equation. Then solve for n. 7y+y=7y+ny

95. ## Physics

A car is traveling at 80 miles per hour down a paved, asphalt road in good condition. The driver steps on the brake, decelerating at a constant rate (expressed in m/s^2), to avoid hitting a horse in the road 1500 feet away. If the driver does not wish to

96. ## statistics

In how many ways can letters be chosen from , assuming that the order of the choices doesn't matter and that repeats are not allowed?

97. ## Physics

A 60 kg person utilizes energy at 0.25 horsepower while running up the stairs of a building. Each step is 20 cm highly. How much work does the person do in one minute?

98. ## Math

Estimate the product 16×\$59

99. ## Physics! Help!

Vector A, a wind velocity vector, has a magnitude of 20 miles per hour and is blowing toward the North. A second wind velocity vector, Vector B, has a magnitude of 50 miles per hour and is blowing toward the Southeast. A third wind velocity vector, Vector

100. ## nats

The Earth receives radiation from the Sun as if the Sun is a blackbody emitter at the temperature near 6000 K, although the temperature inside the Sun is about 15 million K. Explain why?

101. ## Math

Good evening. I am having a problem solving this problem and need some help step by step please. One tank is filling at a rate or 3/4 gallon per 2/3 minute. A second tank is filling at a rate of 5/8 gallon per 1/2 minute. What tank is filling faster?

102. ## PHYSICS HELP

1)An object is 2.40 mm high, is 8.6 cm to the left of a convex lens of 5.9 cm focal length. Find image location and height. 2) A dentist uses a small mirror of radius 42 mm to locate a cavity in a patient's tooth. If the mirror is concave and is held 18 mm

103. ## Physics

If E=mc^2, how does it relate to Ek+1/2 mv^2? How does it work when v = c? thanks

104. ## science

Interpret Data. write the chemical equation for the following reaction: The elements sodium and chlorine combine to yield the compound sodium chloride. need help any help answer or a link idc

105. ## Math

What is my number? Clue 1. My number is a multiple of 5 and is less than 50. Clue 2. My number is a multiple of 3. Clue 3. My number has exactly 8 factors.

106. ## maths (trigonometri)

if tanB=3/4 then show that 3sin2B + 4cos2B =4

107. ## Biology

explain the process of water, mineral, and sucrose transport through a plant: ATP Cohesion Phloem Sink

108. ## physics

Acceleration in meters per square second. A car begins at rest at a stop sign, it accelerates 25m/s over a time of 8.6sec

109. ## Chemistry

40 Ca2+ 20 79 Br- 35 58 Ni2+ 28 For the three ions written above give the correct number of each of the following: a) the maximum number of electrons in the first shell b)the unpaired electrons in an oxygen atom c)the full orbitals in a chlorine atom d)the

110. ## chemistry

From the list of compounds below identify each of their molecules: 1. Propanone C3H60 Mr=58 2. Chromium trioxide Cr2O3 Mr= 152 3.Rubidium Carbonate Rb2CO3 Mr=231 4.Neon Ne: Mr= 20.2 5. Nitrophenol C6H5NO3 Mr= 139 6. Dinitrogentetraoxide N2O4 Mr=92 Please

111. ## Math

Matthew goes swimming every 6 days and hiking every 8 days.how many days will pass before he does both activities on the same day?

Can you check these? Place commas where they belong. 4. No Elena isn't coming over this weekend so you can make plans to hang out with your friends. A: No, Elena isn't coming over this weekend, so you can make plans to hang out with your friends. 13. Carly

113. ## Algebra

Factor completely using difference of squares. x^2-12x+36-64y^2

114. ## Physics

Vector A, a wind velocity vector, has a magnitude of 20 miles per hour and is blowing toward the North. A second wind velocity vector, Vector B, has a magnitude of 50 miles per hour and is blowing toward the Southeast. A third wind velocity vector, Vector

115. ## Algebra

How many weeks from now will you have \$175 in your account

116. ## algebra

Find the radius and the center of the circular section of the sphere |r| = 17 cut off by the plane rÂ·(i+2j+2k) = 24. Solution

117. ## Intermediate Algebra

Factor completely using difference of squares. x^2-12x+36-64y^2

118. ## Physics

A baseball is hit by Aaron Judge, a New York Yankees baseball team member, at an amazing velocity of 110 miles/hour at an angle of 35 degrees from the horizontal from home plate in Yankee Stadium in New York City. The baseball was initially launched from

119. ## Math

How did you get this answer ?

16y^3+48y^2=-36y I need help setting up the problem.

121. ## math

A scuba diver dove from the surface of the ocean to an elevation of ÃƒÂ¢Ã‹â€ Ã¢â‚¬â„¢89 9 10 feet at a rate of ÃƒÂ¢Ã‹â€ Ã¢â‚¬â„¢24 feet per minute. After spending 11.75 minutes at that elevation, the diver ascended

122. ## MATH

WHich word phrase can you represent the algebreic expression 4? 1.The product of 4 and a number z RIGHT? 2.the sum of 4 and a number z 3.The quotieent of 4 and a number z 4.The differnce of 4 and a number z

123. ## Maths

What is the algebra candy mixture problem? PLease explain clearly and detailled.

124. ## maths

Gabrial is 11years older than Collins in5years time ,gabrial will be twice as old as Collins?

125. ## algebra

Q varies inversely as z,if q =7,when z=15.find z when q=49

126. ## chemistry

1. How many monochlorinated compounds of molecular formula C3 H7 Cl can be made by chlorinating propane?

127. ## math

1. One of the dice is rolled once. What is the probability, expresses in a percent, of getting an even number? a. 33% b. 50% c. 20% d. 75% 2. One of the dice is rolled once. What is the probability, expressed as a percent, of getting the number 5?

128. ## Algebra

Y varies directly with x for the following function when y=6 when x =2. Find the constant of variation, write the equation, then find y when x is 2. Hint: use y = kx, where k is the constant of variation.

129. ## Math

Hello, I need a little assistance with showing my work on this question. The equation is -4 7/8 x 2/3. I have to explain how this person is wrong then show the work the correct way. Okay so the person's work is written as, "-4 7/8 x 2/3 = -4 14/24 = -4

Solve. 10x^2+5x=-5

131. ## chemistry

For the determination of the quantity of chloride in a physiological serum sample by the Volhard method, a sample of 25.00 ml was treated with 50.00 ml of 0.110 mol/L Silver nitrate solution and the excess of silver ions was titrated with 17.00 ml of a

132. ## French

Qu'est-ce qui est plus economique? a. le train b. l'avion c. la voiture I know what this says, but I do not understand the wording. Can someone please help?

133. ## bio

The number of electrons in an atom affects its: atomic number atomic mass charge nucleus Answer: charge

134. ## Chemistry

Use the Van der Waal equation to determine the pressure of 200 moles of CO2(g) in a 32.6L vessel at 34 degrees Celsius. (a= 3.64 L^2 atm mol^-2, b=0.04267 L mol^-1) I got the answer 9.24 atm but the answer is 72.8 atm. I don't know what I did wrong.

135. ## Mathematics

expand 3(x+7)

136. ## Mathematics

factor 5x + 35

137. ## PHYSICS HELP

An object 4.0 mm high is 10 cm in front of a concave mirror having a 6.0 cm focal length. Find the height by means of; a) the lens/ mirror and magnification equations.

138. ## Competitive exam

How many minutes does it take for the Earth to pass through 10 longitude?

139. ## Algebra 2

What transformations change the graph of f(x) to the graph of g(x)? f(x)=x squared; g(x)=(x+7)squared +9

141. ## maths

Find the value of x and y 1/2x+2y=7

142. ## Pre-algebra

If a+b=c and b+c=d and c+d=e and a=7 and e=5, find a+b+c+d+e.

143. ## Mathematics

If the area and circumference of a circle are x square cm and x cm respectively,what should be the value of X ? A)Ï€. C)4Ï€ B)2Ï€. D)Cannot be determined

asked by Haile georgis girma moges
144. ## Math

Need help solving this! R=20Cos0 N + 50cos135N+50sin135E+10Cos225N+10sin225(-E)

145. ## Math

if a number is not an irrational number it is??? a whole number