# Questions Asked onJanuary 4, 2016

1. ## Algebra 1

Sara is selling cookies and brownies for a fundraiser for the school band. She charges \$2.25 for 2 cookies and 1 brownie. She charges \$5.75 for 4 cookies and 3 brownies. How much does sara charge per cookie? how much per brownie?

2. ## Math

One car is 3.9 meters long the other is 6%shorter How long is second car? What is the formula I use for questions involving %

3. ## Science

How are temperature and thermal energy related A) Temperature and thermal energy both measure the total kinetic energy in an object. B) Temperature is one factor that determines the thermal energy of an object C) Thermal energy is one factor that

4. ## Algebra 1

Terry has completed 15 homework problems, and Susan has competed 9. Terry is completing 10 problems per hour and Susan is competing 12 problems per hour. After how many hours will terry and susan have completed the same number of problems ??

5. ## math

The sides of a square field are 12 meters. A sprinkler in the center of the field sprays a circular area with a diameter that corresponds to a side of the field. How much of the field is not reached by the sprinkler? Round your answer to the nearest

6. ## U.S. History (Ms. Sue) (Check, Please!)

How did rationing affect daily life in the United States? How did it affect the economy? A: Rationing deeply affected daily life in the United States. People were given ration books and had to use coupons to purchase food and items such as coffee and

7. ## Life Span Development

As Selena and her friends are walking home after school they approach a corner store and see bags of candy and snacks on open shelves outside the front door. A young clerk is also outside waiting for customers. As they get closer, they see the clerk go

8. ## Rational Numbers

Which of these is a rational numbers? A. Pi B. √3 C.√2 D. 1.33333333…. Thank you!

9. ## U.S. History

What did John Smith and Anne Hutchinson have in common? Both were thought of as troublemakers. Both were governors upon arrival in America. Both were Puritans who lived in New England. Both had disagreements with the Puritans***

10. ## English

Identify the correct sentence. a.Please proceed slowly. b.He knows English good. c.She is real smart. d.She listen good.

11. ## math

Find two mixed numbers that up to 16 but have a difference of 5???

12. ## History

Case Study: General Andrew Jackson: Andrew Jackson's military career spanned several wars including the American Revolution, the Creek War, the War of 1812, and the First Seminole War. After the Creek War, Jackson and the Creek Indians signed the Treaty of

13. ## Algebra 1

which graph represents the solution to the given system y=-x+2 and y=3x-1 ??

14. ## Algebra 1

which graph represents the solution of the given system? y= -3x-4 y+4=-3x

15. ## physics

A 1500 kg car traveling West at 90.0 km/h collides with a 1400 kg truck traveling North at 72.0 km/h.The two vehicles entangle after the collision and head off as one. What is the velocity of the wreckage immediately after the collision?

16. ## U.S. History

What can you infer about what Lewis and Clark saw as they moved west from the Mississippi River? A. The land on the east coast was more fertile than the land in the west coast B. The landscape rose sharply and then flattened as they went farther west C.

17. ## Word problem help plz

The sum of the age of father and son is 99.if the age of the son is added to the inverted age of the father,the sum is 72.if the inverted age of the son is subtracted from the age of the father.the difference is 28...what are there age? plz help i do not

18. ## U.S. History

Read this question: "If representation in Congress is to be determined by the number of people who live in each state, should slaves be counted?" At the Constitutional Convention, how would someone from a Southern state most likely respond? Yes, they live

19. ## Maths

A closed tin of milk has a diameter of 10 cm and height 16 cm , find the total surface area of the tin {take pie to be 22/7}

20. ## U.S. History

Which answer best shows an effect of British soldiers firing upon colonists in Boston, killing five of them? The first shots of the American Revolution are fired, which officially starts a war between the colonies and Britain. *** The Sons of Liberty

21. ## Calculus

A ball is thrown straight up from the top of a hill 30 feet high with an initial velocity of 72ft/sec. How high above level ground will the ball get? (Objects subjected to gravity adhere to s(t) = -16t^2 + v0t + so where s is the height of the object in

22. ## Algebra

a theater wants to take in at least \$2000 for a certain matinee. children's tickets cost \$5 each and adult tickets cost \$10 each. the theatre can seat up to 350 people. find five combinations of children and adult tickets that will make their goal.

23. ## chemistry

state what happens when chlorine is bubbled through Iron(II) sulphate solution .

24. ## U.S. History

What was one factor that caused the British to surrender at Yorktown? British soldiers were suffering from disease and refused to fight. George Washington's soldiers outnumbered the British soldiers two to one. British troops received a false message from

25. ## History

What were the main labor sources in the Middle colonies? Family and slaves Immigrants and slaves Immigrants and indentured servants Indentured servants and family I believe the answer is B. Immigrants and slaves

26. ## Science

13.5g aluminium changes to Al^3+ in solution by loosing ..... electrons.

27. ## Math

In a school orchestra, 2/5 of the students are string players. Of the string players, 5/8 are girls. What fraction of all the students in the orchestra are girls who play string instruments.

28. ## Algebra 1

which graph represents the solution to the given system -4x+ 2y = -11 and -2x + 2y = -15.

29. ## physics

a stone propelled from a catapult with a speed of 50ms-1 attains a height of 100m. Calculate the time of flight and the angle of projection

30. ## Spanish

Which word best completes the following sentence? The standard variety of Spanish is considered _______. a. natural b. colorful*** c. easy d. neutral

31. ## English

Identify the correct sentence. a.She doesn't call me no more. b.She doesn't never call me no more. c.She doesn't call me anymore. d.She doesn't ever call me no more.

32. ## Math

There are 14 children in little league baseball team. Only 9 can play at a time. The baseball season has 42 games. The coach decided that each of the 14 children would play in the same number of complete games.In how many complete games will Howard, one of

33. ## ALEGEBRA 1

Part A: Explain why the x-coordinates of the points where the graphs of the equations y = 2−x and y = 4x + 3 intersect are the solutions of the equation 2−x = 4x + 3. Part B: Make tables to find the solution to 2−x = 4x + 3. Take the integer values

34. ## English

The class was asked to sit: a. quiet anywhere. b. quietly anywhere. c. quiet anywheres.

35. ## U.S. History

Which answer best defines the civic virtue "common good"? Common good means honoring one's country. Common good means something is beneficial to an entire group. Common good means respect for many opinions, cultures, and religious beliefs.*** Common good

36. ## Math

You are ordering a meal and have \$15 to spend . The restaurant charges 6% sales tax. You plan to leave a 15% tip . The equation C = x + 0.06x + 0.15x gives the total cost C of your meal , where x is the cost before tax and tip . What is the maximum amount

37. ## Probability

A box contains 3 blue, 5 red, 4 white marbles. If one marble drawn at random: find probability of blue given not white. Find probability of not red given not white

38. ## Biology

3. One different between a point mutation and a chromosomal mutation is that A. A point mutation affects the DNA of more genes than a chromosomal mutation B. A point mutation can involve a insertion or deletion, but cannot result in a frameshift C. A

39. ## U.S. History

Which colonial area or areas placed a high value on religious freedom? Middle and Southern New England and Middle *** New England only Southern and New England

40. ## math

Maria plans to fill the pots in her garden with soil and plant food. Maria has 8 1/4 quarts of soil and 1 1/2 quarts of plant food. Part A Each pot requires 3/4 quart of soil. For how many pots does Maria have enough soil? Show your work. Answer : 11pots

41. ## Remington

The radius of the base of a cylinder is 4.00 in. The height of the cylinder is 12.00 in. Find the surface area of the cylinder using 3.14 as a value for pi. Round to the nearest hundredth.

42. ## Social Studies (Check, Please!) (Ms. Sue)

1. How did the Battle at Stalingrad change the fate of the Allies and the momentum of the war? A: The Battle at Stalingrad gave the Allies an important win and improved the morale of the people. The battle changed the momentum of the war as it was a major

43. ## US History

Read the following paraphrase from George Washington's Farewell Address and answer the following question. People have the right to make and alter their governments. But the constitution is sacred law until changed by the whole people together. The very

44. ## english

Identify the INCORRECT sentence. a. Amanda worked diligently on her algebra. b. Trudy bought a American-made car. c. My sister angrily slammed the door. d. You should concentrate closely on whatever you write.

45. ## math

Use any method to add or subtract. 5/7 - (3/14 + 3/14)

46. ## L.A.

Choose the meaning that best describes the word in quotation marks. The first choice of vacation days should go to employees with "seniority". a. the highest age b. an inherited status ** c. the most years of service d. the most years education

47. ## Social Studies (Check, Please!) (Ms. Sue)

How did the food served at the camp show a lack of understanding of Japanese culture? A: The food served at the internment camp were canned Vienna sausage, canned string beans, streamed rice that had been cooked too long, and on top of the rice a serving

48. ## physics

As shown in the diagram, a bullet of mass 7.0 g strikes a block of wood of mass 2.1 kg. The block of wood is suspended by a string of length 2.0 m, forming a pendulum. The bullet lodges in the wood, and together they swing upward a distance of 0.40 m from

49. ## math

estimate each quotient 461 divided by 9

50. ## Calculus

Which of the following integrals represents the volume of the solid formed by revolving the region bounded by y=x^3, y=1, and x=2 about the line y=10? a) pi*∫from (8-1) of (10-y)(2-y^(1/3))dy b) pi*∫ from (1-2) of (81-(10-x^3)^2)dx c)2pi*∫from (1-8)

51. ## U.S. History

Read this question: "If representation in Congress is to be determined by the number of people who live in each state, should slaves be counted?" At the Constitutional Convention, how would someone from a Southern state most likely respond? Yes, they live

52. ## physics

You are on a hike in the mountains. You have 3.03 km left to go before your next campsite. The sun will set in 5.2 h. What average speed must you walk to get to camp at sunset? Answer in units of km/h.

53. ## History

Which of the following describes the effect of the 1763 Treaty of Paris on France's American land holdings? France retained its territory in Detroit, Quebec, and Montreal. France lost its territory in Canada and east of the Mississippi River. France gained

54. ## Math

Dixon and his little sister Ariadne stand next to each other on the playground on a sunny afternoon. Their mother measures their shadows. Dixon's shadow is 18 feet long and Ariadne's shadow is 15 feet long. If Dixon is 6 feet tall, how tall is Ariadne?

55. ## U.S. History

Which of the following effects of the French and Indian War was most responsible for starting the American Revolutionary War? Native Americans lost large amounts of territory. Britain incurred a large debt as a result of the war.*** France ceded land in

56. ## Math

Identify the sequence... 3,888, 216, 12, 2/3... a. arithmetic b. geometric c. neither d. both Is it c or d?

57. ## Social Studies (Check, Please!) (Ms. Sue)

Why did racism lead to violence in Detroit and Los Angeles in 1943? A: Many Americans considered the long, baggy zoot suit worn by some Mexican American teenagers unpatriotic. Riots erupted in Los Angeles in June of 1943 after it was rumored that "zoot

58. ## U.S. History

Between 1763 and 1815, most of the population was made up of indentured servants, slaves, women, children, and the working class. Even so, policies were written mainly by white, male landowners. Which answer explains why this was the case? The other groups

59. ## algebra

Draw a rectangle to show that 5 (x + 2 ) and 5x + 10 are equivalent ?

60. ## Maths

A soak away was dug by 5 men in 24 days. How many days will it take 15 men to dig it if they were to work at the same rate.

61. ## statistics

The pie chart below shows how the total annual income for a certain family is spent. If the total annual income is , what amount is budgeted for Savings and Insurance combined?

62. ## U.S. History

Based on the map, which city would be best for a shipping port? A. Fort Panmure B. Fort Toulouse C. New Orleans D. St. Marks Is the answer C?

63. ## U.S. History

U.S. Groups of the late 1700's and early 1800's . Women . children . indentured servants . Native Americans . African Americans . Working Class Which is one characteristic common to all groups listed above? A. They rarely attained landownership B. They

64. ## Math

Find each unit rate Julio walks 3 1/2miles in 1 1/4hours

65. ## Algebra 1

What is the graph of the inequality in the coordinate plane ?? x ≥ 3 please help. I'm lost.

66. ## Science -- Check my Answer Plz (again)

A beaker contains 50.0 mL of water at 90.0°C. How many calories must be added to raise the temperature of the water to its boiling point (100°C)? A) 50.0 cal B) 1.00*10^3 C) 100.0 cal D) 5.00*10^2 I think the answer is B, but i also think im wrong...

67. ## Algebra

Write an equation of the line that is parallel to the graph of y=7x -3 and passes through the origin

68. ## History

According to the map, which country controlled land bordering the northernmost part of the Louisiana Purchase? France Canada Spain Great Britain I believe the answer D.

69. ## Physic

Show that the function y(x,t) = X^2 + V^2t^2 is a solution of the general wave equation.

70. ## Algebra 1

What is the graph of the inequality in the coordinate plane ?? y< -2

71. ## Maths

Two numbers are in the ratio of 7:9, the smaller is 42, what is the larger?

72. ## physics

Two balls have the same mass. One ball moving along the positive x-axis and the other ball moving along the positive y-axis undergo perfectly inelastic collision. What can you say about the motion of the balls after the collision? a) the balls stick and

73. ## Geometry

"Given quadrilateral ABCD with A(0,0) B(4,2) C(3,3) and D(1,2), prove that ABCD is a non-isosceles trapezoid" I don't understand how to put this as a proof, since I have to include formulas and reasons. Wouldn't a non-isosceles trapezoid be a normal

74. ## Algebra

write equation of given translation of y=|x| 1 unit down 5 units right 10 units left 4 units up 6 units left

75. ## language arts

has anyone here read, the watsons go to birmingham because i have a question on it?

76. ## Algebra 1

A local citizen wants to fence a rectangular community garden. The length of the garden should at least be 110 ft. and the distance around should be no more than 380 ft. Which system of inequalities and graph represent the possible dimensions?

77. ## PLZ Check my Science Project's summary?!

The following r the instructions to my Project: - Compose a scientific summary of your method, observations, data, and conclusions. In addition, be sure to answer the questions below in your report. 1. Why does the first method for determining volume work

78. ## U.S. History

George Washington was an enormously popular general. Why didn't he try to become a king? He believed in a republican form of government.*** He knew the army would be hard to control. He thought future monarchs would abuse power. He was afraid he would be

79. ## U.S. History

What did John Smith and Anne Hutchinson have in common? Both were thought of as troublemakers. Both were governors upon arrival in America. Both were Puritans who lived in New England. *** Both had disagreements with the Puritans.

80. ## Maths

The angle of depression of a point g on a horizontal ground top , T of an electric pole is 25 degrees .if the distance from g to the foot of the pole is 45 m , calculate the height of the pole to the nearest whole number.

81. ## U.S. History

Veena writes an essay about Native Americans in the 1800's Native Americans and U.S settlers struggled for land during the early 1800's. U.S. citizens slowly pushed Native Americans off their traditional lands. They fought wars, such as Seminole War, for

82. ## us history

Which event transferred Florida from British possession back to Spain in the late 1700's? A. First Seminole War B. Pickney's Treaty C. Adams-onis Treaty D. Treaty of Paris*** Which factor helped Touissant L'Ouverture be an effective leader during the

83. ## Math

Jamie trains on his surfs every weekend. He paddles upstream for 3 1/2 hours, and then returns downstream to the point where he started in 2 hours and 6 minutes. If the river flows at 3 km/h find: a) his paddling speed in still water

84. ## Algebra

The perimeter of a square must be greater than 42 inches but less than 68 inches. Find the range of possible side lengths that sat soft these conditions.

85. ## U.S. History

Which of the following correctly describes the flow of commodities in the triangle trade? Cuba's rum is traded for slaves in New England. The slaves are brought to Cuba to grow sugar. Cuban sugar is exported to New England, where it is distilled into rum.

86. ## math

Abel Save a 43 more nickels than dimes. After he spents 17 dimes, he had twice as many nickel than dimes . How many coins did he have left ? Is the below answer is correct because in question he is saying twice as many nickel than dimes number of dimes ---

87. ## Math! Pls Help!

A store is having a 10%-off sale. It gives an additional 10% off if the price is still over \$100 after the first discount. A jacket costs \$199.99. Will you get the second discount and if so, how many dollars will you save in total? a. yes; \$12.49 b. yes;

88. ## Science

1 mole of chlorine combines with a certain weight of a metal giving 111g of its chloride. The atomic weight of the metal (assuming its valency to be 2) is-

89. ## Math

find two mixed numbers so that the sum is 16 and the difference is 15. find three mixed numbers so that the least number is 5 1/5.

90. ## engineering maths. need answer asap

A railway wagon of mass 15 t is moving along a level track at 10 km/h when it collides and couples together with a second wagon of mass 30 t moving in the same direction at 5 km/h. if the two wagons couple together after the impact, what would be their

91. ## j

She waited patiently for her turn on line at the New Age bookstore.

92. ## Science

an airplane flies 800 km east and 600 in north. What is the total displacement (with approximate direction)? What is the total distance traveled?

93. ## Algebra 1

What is the solution? use elimination . 4x-y=23 7x-y=21

94. ## Algebra 1

How many solutions does this system of equations have ?? 2x= 10y + 6 and x+ 5y = 3

95. ## U.S. History

George Washington was an enormously popular general. Why didn't he try to become a king? He believed in a republican form of government.*** He knew the army would be hard to control. He thought future monarchs would abuse power. He was afraid he would be

96. ## diameter/kg

What is the mass of water required to fill a circular hot tub 3.4 m in diameter and 1.4 m deep? Answer in units of kg.

97. ## math

Ronnie is thinking of a number. He says that he gets the same result when he multiplies his number by 2 as when he adds 5 to his number. What is the number?

98. ## Physics

suppose that an astronaut throws a rock into outer space at a location far from significant influences of gravity and air resistance. One would expect the rock would A. eventually stop because all objects "lose steam" B. eventually stops as its inertia

99. ## Math

The science test grades are posted. All students taking the test scored over 75. Unfortunately, 4 students were absent for the test and the computer listed their scores as 0 until the test is taken. Assuming that no score repeated more times than the 0's,

100. ## Maths

The ratio of the corresponding sides of two similar triangles are 2:5.Calculate the area of the larger triangle if the area of the smaller triangle is 28 square.

101. ## Algebra 1

which graph represents the solution of the given system? y=3x+2 y=3x-1 please hep!!

102. ## math

The Johnson family has been very busy and has not done their laundry for several weeks.The dirty laundry pile consists of 540 item of clothing.They figure they can put on average of 27 pieces of clothing in a single load.How many loads of laundry will the

103. ## Science -- Check my Answer Plz

How much heat (calories) must be applied to a 100 mL beaker filled with boiling water in order to vaporize the water? ** A) 540 cal ** B) 540 * 10^4 cal C) 800 cal D) 8000 cal Is A correct? or cud it be B.?

104. ## U.S. History (Ms. Sue)

1. How did mobilizing the economy help end the Depression? A: Mobilizing the economy helped end the Depression as it created almost 19 million new jobs and nearly doubled the average family's income. 2. What changes did American citizens and industry have

105. ## US History

Which of these was a precedent that George Washington set? constitutional amendment process formal presidential dinners****** Singing of the national anthem use of a presidential cabinet

106. ## Algebra! Errr, whatever it is.

Which is J = rb solved for r? a. r = j/4b b. r = 4b/j c. r = j - 4b d. r = j/b I got "a". Which is M = 300J/P solved for J? a. J = 300PM b. J = 300M/P c. J = 300/PM d. J = PM/300 I got "d". So do they both look right? Or not? Plz tell me! I'd like that A

107. ## Math

Vanessa has taken 4 quizzes so far and her average score so far is an 88. If she gets a 100, a perfect score on the remaining two quizzes, what will her new average be?

108. ## Geography (Ms.Sue ) Help

In the context of European colonization, Portugal controlled Mozambique and A. Angola. B. Congo. C. Kenya. D. Madagascar. A?

109. ## Math

Shannon bought 9 pounds of almonds for a total cost of \$27. The cost per pound of cashews is 70% more than the cost of almonds. Shannon bought enough cashews that when she mixed them with the almonds the cost was \$4.00 per pound. What percent of the

110. ## Algebra 1

How many solutions does this system of equations have ?? 2x= 10y + 6 and x+ 5y = 3 does it have infinitey many??

111. ## Calculus

Find the volume generated by rotating about the x axis the area bounded by x=0, y=2sinxcosx,, y=2cosx, and x=4, if 0≤x≤pi/2. I don't get the graph.

112. ## Math

A group of 21 people have enough food for 24 days. If 15 additional people join them, they would have enough food for only___days. (Assume everyone eats the same amount of food each day)

113. ## Geography (Ms.Sue ) Help

Sudan is omitted from inclusion in the sub-Saharan region because it . A. contains most of the evidence of humanity's African origins. B. doesn't border the Sahara Desert. C. is linked to Egypt by the Nile. D. is politically distinct from other regional

114. ## Science

This has already been posted, however the provided answer does not make sense. Anyone have additional insight for this one? An excess of aluminum metal is added to 200.0 mL of 0.025 M solution of CuCl2, reducing the Cu+2 ions to metallic Cu. If the

115. ## Science Project Help

Hello, My science project is asking me to "compose a scientific summary of your method, observations, data, and conclusions" on determining the volume of both regular & irregular objects. They wanted me to answer the 4 questions below in my summary: 1. Why

116. ## Social Studies

Why did racism lead to violence in Detroit and Los Angeles in 1943?

117. ## Algebra 1

What is the solution of the system? use substitution . 4x+2y=10, y=-3x+6

118. ## Bionomial expansion help agn #thanks

find the third term of the binomial expansion (root(x)+1/root(y)^6 plz help i do not no it at all show working!!

119. ## Physics

Show that the function y(x,t) = X^2+V^2t^2 is a solution of the general wave equation.

120. ## Math -Algebra

write equation of given translation of y=|x| 1 unit down 5 units 10 units left 4 units up 6 units left

121. ## Language Art

Choose The Meaning That Best Matches The Word Honing A.Grinding B.Perfecting C.Filming D.Grooming

123. ## Math

Estimate the quotient, using two set of compatible numbers

124. ## Math

The length of rectangle is twice its width,and its perimetet is 90. What is its area?

125. ## Physics

A 25.2 kg block of wood is pulled across a floor at a constant 9.74 m/s with a constant 62.7 N force. The bottom of the box has a surface area of 65.1 cm2. If the block was put on its side (which has twice the surface area of the bottom) and pulled with

126. ## Math

there were 50 student in the Chess Club the membership went up buy 10% how many more student joined the the club?

127. ## U.S. History (Ms. Sue) (Help!)

I don't know how to answer the following two questions. No matter what I read, I cannot figure out how to what to write. Please, help me! 1. Why did racism lead to violence in Detroit and Los Angeles in 1943? 2. How did rationing affect daily life in the

128. ## Math

y=arccos(sin(x)), find dy/dx and sketch it's graph(I guess I can do this on wolframalpha after I'm done solving the question). And by arcsin I mean inverse of the expression(written like cos^-1(sin(x)), but is not 1/cos(sinx) but the inverse of cos). I am

129. ## Math

y=arccos(sin(x)), find dy/dx. I got -1, is this correct? When I tried to check on wolfram alpha I didn't get this right.

130. ## Algebra

The temperature at 7 AM in Chicago was 12 degrees. If the temperature increased 3 degrees every hour. What would the temperature be in Chicago at noon?

131. ## math

where Amanda lives the sales tax is 7%. Amanda paid \$35 in sales tax on a new stereo. what was the price of the stereo?

132. ## Algebra 1

How many solutions does this system of equations have ?? y= 4x + 3 and 2y - 8x =3

133. ## Geography (Ms.Sue ) Help

Moving from coastal to interior regions of sub-Saharan Africa, we discover that the dominant physical-geographic feature is A. many coastal inlets. B. mountainous terrain. C. ascending plateaus. D. lush rainforest. C?

134. ## Math

Which equivalent fraction would you have use in order to make 3/5 to 21/25?? Plz have an explanation of how you solved the answer and not just one sentence. Thank you!!

135. ## algebra

The perimeter of a rectangle is 90 centimeters. If the length is double the size of the width, what is the area?

136. ## math

What is the are of 18ft 18ft 4ft 3ft 3ft

137. ## calc

1) lim x→0 j(x) = ? when j(x) = 3; x0 2) lim x→1 h(x) = ? when h(x) = x^2 + 1; x1

138. ## calculus

the region bounded by the graph f(x)=x(2-x) and the x axis is revolved about the y axis. Find the volume of the solid. I did the integral using the shell method, but the answer wasn't correct.

139. ## Math

Abel Save a 43 more nickels than dimes. After he spents 17 dimes, he had twice as many nickel than dimes . How many coins did he have left ? not like this answer below need the chart model : number of dimes --- x number of nickels -- x+43 he spends 17

140. ## Algebra

7x^12/5 - 50x^7/5 + 7x^2/5 = 0

141. ## science

I am wondering why H2S has only London Dispersion forces and not Hydrogen Bonding?

142. ## Calculus help plz i do not no it at all

Integrate: xrootof(2+3.fourth rootof(x^3)/x^6.root(x) plz help i do not no it at all show working!!

143. ## math

7x-3y=41 2x=-5y Solve using augmented matrix What do i do?

144. ## Math

Solve. 24 - (8 ÷ 2) + 6 =

145. ## Math

What's 4x to the second power + 12x +8 factored?

146. ## English Grammar

Hi, I'm writing an English essay and I was wondering which sentence is grammatically correct. 1)The individual rights to speak are taken from John and Mary or 2) The individual's right to speak are taken from John and Mary

147. ## physics

a 4200 kg helicopter accelerate upward 3m/s^2. lift force is exerted by the air on the propellers?(g=10m/s^2)

148. ## math

What rate of interest to produce 22,500 as interest from an invesment of 8,50,000 in three years

149. ## math

Abel Save a 43 more nickels than dimes. After he spents 17 dimes, he had twice as many nickel than dimes . How many coins did he have left ?

150. ## Math

How do i figure out the weight of the quantity if 3% of the full weight is 43 grams?

151. ## math

Assume that all chickens have 3290 feathers. If it takes you 2.6 seconds to pluck 83.6 feathers, how many hours would it take you to defeather 7256 chickens? Answer in units of hours.

152. ## Math

What is the unite rate of 1 slice of beaf party

153. ## Math

I can invest money at 5.75% per annum. How much should I invest now to ensure that I have \$5000 after 1 year?

154. ## Math

What is {23%,0.21,1/4,1/5} from least to greatest I need the answer today please thank you

155. ## Calculus help plz

Integrate:cosmxcosnx.dx if m=n i can not solve it i have tried my best but to no avail

156. ## Science

Resistance of tungsten wire is higher when it is hot and lower when it is cold this is because the temperature is

157. ## Math

Simplify the following expression:(6 x^4)(4 y^2) / [ (3 x^2)(16 y) ] Please help, I don't get this!

158. ## eglish

In which sentence is the punctuation correct?

159. ## Science -- Explaination on Heat Capacity?

I need some1 to explain heat capacity to me because the way my lesson is teaching it is EXTREMELY confusing!! A simple explanation would be nice! Dumb it down 4 a 7th grader!!!!! If you could use the following question in the explanation, that would be

160. ## Algrebra

Given that a(x+7)=24, which expression is equivalent to x? A. 24/a-7 B.24-7/a C. 24/a -7 D. 24-7/a

161. ## geometry

1/2 of 1/3 equals give it to me in the simplest form

162. ## chemistry

I am wondering why H2S has only London Dispersion forces and not Hydrogen Bonding?

163. ## Math

Interest of \$22.05 was earned in 3 months on a balance of \$1960.00. What is the interest rate per annum earned on that account?

164. ## math

Evaluate tan (inverse cosine of 2/3). a. square root of 5 divided by 2 b. square root of 5 divided by 3 c. square root of 5 divided by 5 I have a feeling that the answer would be a but what i am confused about is how do we figure out what the value is for

165. ## math

m - 7 1 m < 13 m < -13 please check my answer!!!!!!

166. ## Geometry (again)

How can one prove a right isosceles triangle? Or a right trapezoid?

167. ## Science

What is the density of a solid aluminum with a mass of 60g

168. ## cda

What would be teaching strategies for self portraits

169. ## History

How did ruby bridges make the USA a safe place to live,work,and raise a family

170. ## Another Calculus help plz

Show that if y=tanx/2 dy/dx=1/sinx

171. ## english grammar

Computers shop hours 8:00 a.am - 2 a.m.

172. ## social science

why is the amazon basin ecologically so important

173. ## Math Complicated

Please I am desperate need of help for this symbol. What does the long square root sign mean? Like in √5 + 8 +24 = √37 The square root sign is supposed to go above 5, 8 and 24. What does that mean? Like find the square root of each number? Or…please

174. ## math

Suzy was putting a stone boarder around her square garden.she las able to complete one side of her garden before she ran out of stones.she usted 9 sones for the first side.How many more stones will she buy to complete her stone boarder?

175. ## math

7 1/4- 2 4/5 =

176. ## Trigonomentry help plz thanks

find the number of root the equation given below in interval (-pi.pi) (cosx)^7+(sinx)^4=1

177. ## Math

3(y+2) for y = 3

178. ## Mathematics

m=3/4 and passing through (40,35) y=_______