# Questions Asked onDecember 7, 2015

1. ## Chemistry

Identify the predominant intermolecular force in each of these substances. 1. Hydrogen 2. Dipole-Dipole 3. London A)H20 B)NH3 C)CH3 C=O OCH3 D)CH4 E)CH OH-C-OH CH3 what I have so far is A) 1 B) 1 C) 2 D) 3 E) I'm not sure about E, I think it might be

2. ## Science

1.)Why is Earth’s temperature just right for life? (1 point) A.)Earth’s core is hot enough to heat Earth’s surface. B.)Earth’s magnetic field creates suitable temperatures on Earth’s surface. C.)Earth’s crust is warmed by heat from the sun.

3. ## English

I have a few questions. It was a long assignment and most of the questions were easy but a few I'm nervous about. Short story "The Olympic Swimmer" Who will be the winner bold? Athletes from both far and near Train and strain to be the best. But who will

4. ## Math

Name a pair of complementary angles. (1 point) angle sign1 and angle sign4 angle sign1 and angle sign6 angle sign3 and angle sign4 angle sign4 and angle sign5 2. If m 1= 53 what is m

Both forest fire and why leaves change color in the fall present factual information. write an essay of your own about one of these essays. in your essay, tell whether the author provided enough information for you to understand the topic fully. Then

6. ## Math

Hi y’all, me again. Can you help me on this? I got some answers, and I hope they are all right. Please let me know! Thanks! :) 1.2(y + 1) for y = 2 A. 6 B. 5 C. 7 D. 8 Is it “A”? 2. The cost in dollars of a school banquet is 74 + 12n, where n is the

7. ## Math

Hi everyone, my name is Emerson. I was wondering if anybody could help me on a test. I'm stuck on some, but I think I know some others. Thank you! 1. Translate the phrase "nine more than two times a number" in to an algebraic expression. A. 9x + 2 B. 2x +

8. ## English

Choose the word that best matches the word in italics. 1.Some say that giving your spouse flowers is a (manifestation) of love. A. ability B. chapter C. expression*** D. present 2.After the barricades fell down, a riot (ensued) A. angered B. began*** C.

Could someone help me please. Select one of the following three types of organization: -cause-and-effect -chronological -comparison-and-contrast Then, using your selected mode of organization, write a paragraph on a topic you select yourself. Choose a

10. ## Spanish

What is the correct way to say "I prefer milk" in Spanish? A. Yo prefero leche B. Yo prefiero leche*** C. Yo preferir leche D. Yo priefero leche

11. ## MATH HELP SOMEONE

For questions 1 and 2, choose the equation that you can use to solve the problem. 1. 86 is 45% of what number? (1 point) • 86 = 0.45n • n = 0.45 × 86 • 0.45 = n × 86 • 86 = 45n 2. What percent of 26 is 4? (1 point) • 0.26 = n × 4 • n = 0.26

12. ## Spanish

Aside from its height, what else is Nevado Ojos del Salado known for? A. the pilgrimage that takes place there annually B. its extreme volcanic activity C. the highest lake in the world located near its peak*** D. its numerous ski resorts

13. ## english

Prompt B: Think about all of the selections you’ve read thus far by European writers. Examine one element that the selections have in common, not including the fact that they are all European. Detail your findings.

14. ## Science: Chemical Reactions

Sodium chloride is formed when the metal sodium bonds to the nonmetal chlorine. The atoms are held together by a(n) ___. PLEASE HELP I DON'T GET IT! :"(

15. ## Chemistry

1. [ PF4 ]+ (a) What is the electron-group geometry, according to VSEPR theory? (b) What is the molecular geometry? (c) Is this species polar or nonpolar?

16. ## science

I need an acrostic poem about forces

17. ## Social Studies (Help!)

Why did New France stretch so far to the west?

18. ## Sign Language

A comparative adjective is used to show comparison between two or more nouns or pronouns. True*** False To make the comparative form of an adjective in ASL, you add the -ER sign to the beginning of the work. True False***

19. ## physics

A 56-kg student runs at 4.2 m/s , grabs a hanging 10.0-m-long rope, and swings out over a lake (Figure 1) . He releases the rope when his velocity is zero. What is the angle θ when he releases the rope? What is the tension in the rope just before he

20. ## Art

When creating a piece of art for aesthetic purposes, the artist considers? (A)How she can design a practical object. (B)How she can show an event in history. (C)What she thinks is pleasing and beautiful. (D)What she can show about her cultural. heritage

21. ## Health

1. The person who is heavier than the standard for the person's height is _____ A. overweight B. obese C.hefty D .extremely obese

22. ## algebra

Complete the table below to solve the equation 2.5x − 10.5 = 64(0.5x). x f(x) = 2.5x − 10.5 g(x) = 64(0.5x) 2 3 4 5 6

23. ## Math

A high-speed train makes a 360 mile nonstop run between two major cities in 712 hours. The train travels 80 mph in the country, but safety regulations require that it travel only 20 mph when passing through smaller, intermediate cities. How many hours are

24. ## Calculus

A baseball diamond is a square 90 ft on a side. A player runs from first base to second base at 15 ft/sec. At what rate is the player's distance from home base increasing when he is half way from first to second base?

Alice works part-time after school. On Monday, Alice records that she worked three and two-sixth hours. On Tuesday, Alice records that she worked one and seventy-five hundredths hours. On Wednesday, Alice records that she worked two and two-thirds hours.

26. ## Sign Language.

Check my answers please (: A comparative adjective is used to show comparison between two or more nouns or pronouns. True*** False To make the comparative form of an adjective in ASL, you add the -ER sign to the beginning of the work. True False***

27. ## Math Problems

1. 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. 2. A costume

28. ## English

1.In "Delfino II:nDiez in the Desert," the first thing that went wrong on Diez's ill-fated trip was that. A. a woman became delirious and died. B. a rash struck those who had been slashed by cactus needles. C.Diez got in a fistfight with his coyote

29. ## calculus

Sam has 1200 feet of fencing and wants to fence off a rectangular field that borders a straight river. He needs no fence along the river. Express the area of the field as a function of its dimension. Find the dimensions of the field that has the largest

30. ## AP Chemistry

Calculate ΔHrxn for the following reaction: C(s)+H2O(g)→CO(g)+H2(g) Use the following reactions and given ΔH values: C(s)+O2(g)→CO2(g), ΔH= -393.5 kJ 2CO(g)+O2(g)→2CO2(g), ΔH= -566.0 kJ 2H2(g)+O2(g)→2H2O(g), ΔH= -483.6 kJ

31. ## Math

A baseball player's batting average is the number of hits the player has divided by the number of at-bats. If a baseball player has a batting average of .275 and has 80 at bats, how many hits has he made? Which property will you apply to find the solution?

32. ## Math

The distance a bicycle travels with each turn of its wheels is about 3 1/7 times the tire diameter. The tires on Mike's bicycle have a diameter of 24 1/2 inches. How far does it travel with each turn of the wheels?

33. ## Physical Education

What happens if a golfer accidentally makes contact when addressing the ball? a. He/she is assessed a stroke*** b. Everybody applauds c. He/she loses a turn d. He/she scores a stroke

34. ## university of saint la salle

a projectile is fired with an initial velocity of 800 ft/s at a target of 12000 ft downrange and at an elevation of 3000 ft above the ground, neglecting air resistance, determine the angle(s) that can be used to reach the target.

35. ## Math

With the current, a person can canoe 24 miles in 4 hours. Against the same current, the same person can canoe 18 miles in 6 hours. Find the person’s average rate in still water and the average rate of the current.

36. ## Math

After a boulder is pushed down a hill, its speed s(t) at time t is given by the formula s(t)=v+at, where v is the initial velocity and a is the acceleration. If s(2)=16 and s(5)=25, find the initial velocity and acceleration.(round to the nearest tenth)

37. ## physics

A pinball machine launches a 139 g ball with a spring-driven plunger. The game board is inclined at 8 ◦ above the horizontal. Assume: The plunger’s mass and frictional effects are negligible. The acceleration of gravity is 9.8 m/s2 Find the force

38. ## History

How did the french respond when the U.S. refused to repay debts owed to France? A) France declared war with the U.S. B) France stopped all trade with the U.S. C) France began to seize American ships and cargo. ** D) France kidnapped government leaders and

39. ## math

Mary is 3 times as old as her son.In 12 years,Mary's age will be one less than twice her son's age.Find their ages now.

40. ## math

The perimeter of the base of a pentagonal prism is 45 cm. What is the width of the rectangular side of that prism?

41. ## Math

You are making kits with 25 cubic inches of candle wax along with a mold. You have a square base, and you want to make a pyramid candle. The height of the pyramid should be 2 inches shorter than the edge of the base. Given this, what should be the

42. ## computer

Write an algorithm for a program that accepts a set of numbers and finds the smallest among them and computes the sum of the numbers accepted. The program stops when the user enters number 999. Convert the algorithm into flowchart

43. ## Math

The perimeter of a triangle is 19 cm. If the length of the longest side is twice that of the shortest side and 3 cm less than the sum of the lengths of the other two sides, find the lengths of the three sides

44. ## math

Students are painting the backdrop for the school play. The backdrop is 15 feet wide and 10 feet high. Every 16 inches on the scale drawing represents 5 feet on the backdrop. What is the area of the scale drawing? THANK YOU!

45. ## Math

British sterling silver is a copper-silver alloy that is 7.5% copper by weight. How many grams of pure copper and how many grams of British sterling silver should be used to prepare 200 grams of a copper-silver alloy that is 10% copper by weight? (round to

46. ## maths literacy,economics and business studies

what kind of courses should i take when i finish my grade 12 next year

47. ## Physics

A 50 gram mass vibrates in SHM at the end of a spring. The amplitude of the motion is 0.12 meters, and the period is T= 1.70 seconds. Find: The maximum acceleration of the mass? The speed of the mass when the displacement is 0.06 meters?

48. ## Math

The quotient in simplest form. 6 divided by 2 over 3.

Describe why an r-strategist might be better suited for an unpredictable environment than a K-strategist is. A: An r-strategist might be better suited for an unpredictable environment than a K-strategist because they grow exponentially when environmental

50. ## math

Abigail is 15, and Cynthia is 27. How many years ago was Abigail twice as young as Cynthia?

51. ## Math

Mary's age is 1/3 of Helen's age. If Mary is 48 years old, how old is Helen?

Assume venture Healthcare sold bonds that have a ten year maturity,a 12 percent coupon rate with annual payment,and a \$1000 par value.Suppose that two years after the bonds were issued ,the required interest rate fell to 7 percent .what would be the bond

53. ## Math

A river flows at the speed of v from west to east. How should a man who is at a point A of the southern bank of the river, which is d meters away from the river, and wants to reach a point B on the northern bank of the river, which is 2d meters away from

54. ## Finance

Currently you own a portfolio comprised of the following three securities. How much of the riskiest security should you sell and replace with risk-free securities if you want your portfolio beta to equal 90 percent of the market beta? Stock Value/Beta A

55. ## Chemistry

A mass of aluminium metal is heated in a such in a such a way that is was exposed to air.(1.751g Al) A compound containing aluminium and oxygen is formed. It has a mass of 3.311 g. What is the empirical formula of aluminum oxide according to this

56. ## math

Which comes first greatest to least 4 3/16, 4.44, 4 1/8, or 4

57. ## chemistry

how many oxygen atoms are in 10 formula of Al2(SO4)3

58. ## Physical Education

What happens if a golfer accidentally makes contact when addressing the ball? a. He/she is assessed a stroke*** b. Everybody applauds c. He/she loses a turn d. He/she scores a stroke

59. ## Physics Help

A dumbbell has a mass m on either end of a rod of length 2a. The center of the dumbbell is a distance r from the center of the Earth, and the dumbbell is aligned radially. If r≫a, the difference in the gravitational force exerted on the two masses by the

60. ## Math

A river flows at the speed of v from west to east. How should a man who is at a point A of the southern bank of the river, which is d meters away from the river, and wants to reach a point B on the northern bank of the river, which is 2d meters away from

61. ## English

The normal temperature of the human body is 36.5C. ============ 1. thirty two degrees point Celsius 2. thirty-two degrees point Celsius (Which one is correct? When do we use the hyphen '-'?)

62. ## math

The bus to the exposition averaged 18 miles to a gallon of gas. How far away was the exposition if they used 8 gallons of gas for the round trip?

63. ## math

Ira built a model of the Great Pyramid in Egypt for a school project. The Great Pyramid has a square base with sides of length 756 feet. The height of the Great Pyramid is 481 feet. Ira made his model pyramid using a scale of 1 inch:10 feet. A)What is the

64. ## Chemistry

3. Choose the hybridization schemes for the following species. (a) AsBr6− sp sp2 sp3 sp3d sp3d2 (b) CSe2 sp sp2 sp3 sp3d sp3d2 (c) PbCl4 sp sp2 sp3 sp3d sp3d2 (d) SeO32− sp sp3 sp2 sp3d sp3d2 (e) BiF5 sp sp2 sp3 sp3d sp3d2

65. ## trigonometry

From the top of a building the angle of depression of a point P on the ground is 15 degrees. The point P is 55 ft from the base of the building. Determine the height of the building.

66. ## Math

Victor's class is going on a field trip. They will ride on the city bus twice, once going and once coming back. The one-way bus trip costs 35 cents per child and 50 cents per adult. There are 24 students, 4 parents, and 1 teacher. How much money will they

67. ## stat

Forty-nine items are randomly selected from a population of 500 items. The sample mean is 40 and the sample standard deviation 9. Develop a 99% confidence interval for the population mean

68. ## PreCalculas help

I really need help Find the equation of the hyperbola 1.Vertices(-4,0)(4,0) Asymptotes: y=1/3x, y=-1/3x 2.Vertices(-6,0)(6,0) Asymptotes: y=4/3x, y=-4/3x For the first one i got ((x-9)^2+y^2-(x+9)^2+y^2+16=0

69. ## Math

The population of a city increases by 4,000 people each year. In 2025, the population is projected to be 450,000 people. What is an equation that gives the city's population p (in thousands of people) x years after 2010? a. p=4x+50*** b. p-450=4(x-15) c.

70. ## Chemistry

2. Which of the following molecules is/are trigonal pyramidal? N2O NH3 C2H2 SiF4 HN3 HCN SO3 H2S CF4 PF3 H2O BF3 COS O3 SO2 CS2 AsH3

71. ## Geometry

mx^2+12x+9m=0. for what values of m will the equation have one repeated root? I can't remember how to calculate double root values

72. ## CHEMISTRY

A quantity of N2 occupies a volume of 1.5 L at 300 K and 1.2 atm . The gas expands to a volume of 3.2 L as the result of a change in both temperature and pressure.

73. ## Math

#1: A couple plans on having 3 children, how do I create a tree diagram with 8 possible outcomes? #2: (What is the theoretical probability of having a girl, and what is the theoretical probability of having a boy?) #3: How do you do theoretical

74. ## math

fid the height of a parallelogram with an area of 300 square yards and a base of 15 yards

75. ## math

Suppose you know that ÚS and ÚY are complementary, and that mÚS=2(mÚY)-30‹. Find mÚY THANK YOU!

76. ## Chemistry

An excited ozone molecule, O3*, in the atmosphere can undergo one of the following reactions, O3* → O3 (1) fluorescence O3* → O + O2 (2) decomposition O3* + M → O3 + M (3)deactivation, where M is an inert molecule, the rate constant for the

77. ## Math

Joel miss 4 out of the 24 problems. What fraction of the problems did he get correct

78. ## physics

On planet X, an object weighs 18.1 N. On planet B where the magnitude of the free-fall acceleration is 1.28 g (where g = 9.8 m/s 2 is the gravitational acceleration on Earth), the object weighs 37.9 N. The acceleration of gravity is 9.8 m/s 2 . What is the

79. ## math

Ira built a model of the Great Pyramid in Egypt for a school project. The Great Pyramid has a square base with sides of length 756 feet. The height of the Great Pyramid is 481 feet. Ira made his model pyramid using a scale of 1 inch:10 feet. A)What is the

80. ## Physics

1. A 55.0 kg pole vaulter running at 11.0 m/s vaults over the bar. Assuming that the vaulter's horizontal component of velocity over the bar is 1.0 m/s and disregarding air resistance, how high was the jump (include units)? 2. A 71 kg person rolls on a 2

81. ## Chemistry

How many grams of O2 are released into the environment during the production of the 5.1 grams of glucose?

82. ## chemistry

ΔH°rxn is -114.14 kJ/mol. Calculate ΔH°f of gaseous nitrogen monoxide, given that ΔH°f of NO2(g) is 33.90 kJ/mol.

83. ## Chemistry

Calculate the molecular weight of a gas if 16.8 g of the gas occupies 16.3 L at STP.

Describe why an r-strategist might be better suited for an unpredictable environment than a K-strategist is. A: An r-strategist might be better suited for an unpredictable environment than a K-strategist because they grow exponentially when environmental

85. ## Social Studies

1) Describe the difference between an anthropologist and an archaeologist. 2)Describe the most accepted theory as to how the Native Americans made it to North America. Include the differences from what the land looked like then versus now. 3) List the

86. ## trigonometry

from a point 3 m above the water surface, the angle of elevation of the top of a certain tree is 30°40', while the angle of depression of its image is 65°10'. Find the height of the tree and its distance from the point of observation.

87. ## Trig

In still air, an airplane is flying at 100 mph. It encounters a wind blowing toward the west at 50 mph. What should be the plane's compass heading for its course to be N30ºW?

88. ## trig

find the exact value of each expression. do not use a calculator. Sec 3.14/4 + 2 csc 3.14/3 4 + tan 2*3.14/3

89. ## materials bahavior

A specimen has an initial diameter of 200mm and a length of 700mm. At a stress of 40MPa and a temperature of 538oC the steady state strain rate is about 2×10−4% per hour. Find the primary creep elongation and the steady state creep elongation after 5000

90. ## Math

how to write the following value in expanded form: 30.06 answer:

92. ## Physical science

the space shuttle typically orbits 400 km above the earth's surface.the earth hass a mass of 5.98*10 to the 24 squared kg and a raduis of 6,380 km.A)how much would a 2000 kg part form the space station weight when it has been lifted to that orbit in the

93. ## physics

A mountain climber, in the process of crossing between two cliffs by a rope, pauses to rest. She weighs 515 N. As the drawing shows, she is closer to the left cliff than to the right cliff, with the result that the tensions in the left and right sides of

94. ## Math

Assume that the retail price of the product is \$85, the cost is \$47, and the expenses are \$13. Compute a new sale price using the formula for markdowns, assuming a 15 percent discount. This is what I did, but I don't know where to incorporate the \$13

95. ## PreCalculus - Need help, due tonight

1. Rewrite the expression 1/2ln(x – 6) + 3ln(x +1) as a single logarithm. 2. Rewrite the expression 1/3[ln x – 2ln(1 – x)] as a single logarithm.

96. ## math

If julianne earned \$296 working at the store last week. She earned \$ 8 per hour. How many hour did she work

97. ## Math

How do you set up a tree diagram???

98. ## Geography

In December 1849, Rev. Josef Arnost Bergmann left his Czech homeland to minister to German Protestants in Texas. Pastor Bergmann and his family arrived in Galveston in 1850 and made their way to Cat Spring. There in Austin County he led the Easter service

99. ## Algebra

A cell phone plan has the following charges: Basic service, including 100 minutes of calls :\$20 per month 2nd 100 minutes of calls: \$0.075 per minute Any additional minutes: \$0.10 per minute What is the charge for 200 minutes of calls? What is the charge

100. ## chemistry

Determine the final temperature of a 10 gram aluminum block originally at 25.0 degrees Celsius if you apply 435 J of energy to it.

101. ## math

the number of blocks has 9 in the ones place.The number in the hundreds place is onemore than the number in the tens place.Those two numbers equal 11.How many blocks are there?

102. ## Math

A short airplane trip between two cities took 30 minutes when traveling with the wind. The return trip took 45 minutes when traveling against the wind. If the speed of the plane with no wind is 320 mph, find the speed of the wind and the distance between

103. ## Math

If you are standing near the edge of the top of a 200 feet building and throw a ball vertically upward it will be modeled by the function s(t)=-16t^2+64t+200 where s(t) is the ball's height above ground in feet and t is seconds after the ball was thrown.

104. ## Science

Please, help me! Differentiate a logistic growth pattern from an exponential growth pattern.

105. ## Algebra 2

Use synthetic division to find P(3) for P(x) = x4 – 6x3 – 4x2 – 6x – 2 3 –137 299 –47

106. ## Chemistry

Would copper (II) phosphate be nonpolar?

107. ## math

Francine and Cheryl received equal scores on a test made up of multiple choice questions and an essay. Francine got 34 multiple choice questions correct and received 14 points for her essay. Cheryl got 30 multiple choice questions correct and received 22

108. ## geometry

find the slope of a line that passes through the following points. (4,5) and (3,0) using the perpendicular and parallel slopes write slope intercept form equations for both perpendicular and parallel lines all perpendicular lines pass through the

109. ## Science

On page 111 of your reading material there is a problem that requires you to calculate the average speed for a daylong bus trip. The rest stops the driver made are included in the calculations because that is how the problem is defined. However, suppose

110. ## Math

the number of blocks has 9 in the ones place. The number in the hundreds place is one more than the number in the tens place. Those two numbers equal 11. how many blocks are there.

111. ## Math

Hey everyone could you help me with this? Ben has 2/3 of a large candy bar. He is going to split it into 4 parts for his friends. How much of the candy bar does each friend get?

112. ## Calculus

Compute the surface area of revolution about the x-axis over the interval. y = x^2, [0, 4] Is it (pi/12)(65^2 - 65)^(3/2)?

113. ## physics

The acceleration of gravity is 10 m/s2. What is the acceleration of a 46 kg pail of cement that is pulled upward (not sideways) with a force of 478 N? Answer in units of m/s2.

114. ## Chemistry

When given different elements and asked for the highest boiling point, do you figure out the molar mass and pick the highest one as the highest boiling point?

115. ## Statistics

c) There is a correlation between students’ levels of anxiety and the number of days they are absent from school (r = 0.53, p = 0.31). Interpret if this result was statistically significant and explain why or why not. My answer is this: The analysis

116. ## chemistry

how many electrons are transfered in one atom of Mn in the reaction?MnO2+4HCl=MnCl2+2H2O+Cl2

117. ## BIBLE HELP ASAP

Hi, I have been stuck on the following question for a couple of hours now and need help. "Describe at least 3 ways that God has demonstrated His love to you personally. Answer in complete sentences." The problem is that i have NO idea how "God has

118. ## Chemistry

Hey can you please check my answers? Also, Can you explain interparticle force of attraction? I'm not sure about the difference between IMFOA and IPFOA. Chemical formula: Cl2 Name: Chlorine Bond Type (intermolecular FOA): London VSEPR molecular shape:

119. ## maths

the total cost of 5 pens and 10 pens is 30 . of pen cost 3 more than the pencil . find the cost of each item

Help please. According to the following diagram, approximately how much time goes by between phase H and phase B? explain your answer.

121. ## Math

A triangular park has a perimeter of 45 meters. What is the measurement of one side if each of the other two equal sides measure 28 meters?

122. ## History

The Articles of Confederation and the US Constitution are the two documents under which American has been governed since 1781. Describe the essential elements of each, their similarities and how their major differences.

123. ## math

A rectangular tank measure 4m by 2.5m by 10m. If the empty tank is to be filled in 10mins by a cylindrical pipe through which water is forced at a rate of 1 metre per second, find to 3 significant figures the diameter of the pipe in centimetres.

124. ## Math

The fifth term of an arithmetic progression is 19 and the fourteenth term is 15. Find the, first term, common difference, and sum of the first eighty terms.

125. ## Physics

A drone capable of flying north at a speed of 4.0 m/s in still air is attempting to fly across a field 120 m wide. There is a wind blowing at 5.0 m/s [E]. a) Find the drone's velocity relative to the ground. b) Find the time it takes the drone to cross the

126. ## trigonometry

from a point A on the side of straight road, the angle of elevation of the top of the electric pole is 15°20'. from a point B on the same side of the road, the angle of elevation of the top of the pole is 10°52'. If the distance of A and B is 50 meters,

127. ## Science plz help its really inportant

What is the function of the nucleus? Why is it the most obvious organelle within a cell?

128. ## calculus

Find the derivative of 4sinx(6cosx+9sinx) at x=¦Ð/6.

129. ## Chemistry

A pot containing 500 g of water at 100 degrees Celsius would require how much energy to boil off completely

130. ## Math

While traveling for vacation, you have decided to divide your lodging between a resort and a regular stay hotel. Let x represent the number of nights you will spend in a resort and let y represent the number of nights you will spend in a regular stay

131. ## HILLSIDE

Calculate the price elasticity of demand between \$110 and \$130.

132. ## Calculus

A home owner wants to fence in his yard of 600 sq. feet. Three sides are to be constructed with chain link fence at a cost of 3.25 per linear feet. The fourth side is to be constructed with a wood stockade fence at a cost of \$5.45 per linear foot. A) what

133. ## Math

For a particular quadratic function f(x)=ax^2+bx+c, f(−3)=−13 and f(2)=7. If a=−3, find b and c.

134. ## Math

1)Carson lost 5 pounds in one week. What property is used in this situation? Why? 2)Frankie wanted to buy a new hat for \$14, but left the store without buying anything. What property is used in this situation? Why?

135. ## Chemistry-Dr.Bob

What is the increasing dipole moment for CO,CS, and SiS? My answer: SiS

136. ## calculus

Use implicit differentiation to find the slope of the tangent line to the graph of 18*x^(1/2)+5y^(1/2)+14 at(81/324,1)

137. ## english

who said I think we'll all be destroyed by the a bombs so why should I care about anything

138. ## US HISTORY

I don't need answers I just need some help. No negative comments please. When was the image commissioned and hung? What is the historical context of this painting? What events were occurring when this painting was created that could have contributed to its

139. ## Calculus

Find the derivative of f(x)=(2x)^(1/2)ln(15x)

140. ## chemistry

How do you write the balanced chemical equation for the addition of aqueous potassium fluoride to aqueous copper(II) sulfate? please explain this as a step by step process.

141. ## math help

what is 100 times greater than 4.089?

142. ## Biology (Please, Help Me!)

Please, help me! Differentiate a logistic growth pattern from an exponential growth pattern.

143. ## Mahiga

a sample of 0.5g gaseous alkane occupies a volume of 200cm3 at STP,find molar Mass

144. ## Math

Ben wants to buy a new car, and she has narrowed her choices to two models. Model A sells for \$12,500, gets 25mi/gal, and costs \$300 a year for insurance Model B sells for \$16,100, gets 36 mi/gal, and costs \$400 a year for insurance. Jenny drives about

145. ## math

A woman was tired of being asked how old she was, so she composed the following riddle Four times two and nine times three, add that to my age and it will be, as much two tens and four, plus twice my age minus a score.

146. ## Algebra

You travel with a boat 90 km downstream with the current in 6 hours and back upstream in 10 hours. Find the speed of the stream and the speed of the boat in still water, assuming that the motion is uniform.

147. ## Help with College Stat class

c) There is a correlation between students’ levels of anxiety and the number of days they are absent from school (r = 0.53, p = 0.31). Interpret if this result was statistically significant and explain why or why not.

148. ## English

It was not Welle's intention to cause a nationwide panic, but that's what he did. The infinitive phrase is to cause a nationwide panic. Is this phrase a noun, adjective, or adverb? I think a noun because it restates what his intention was not?

The dimensions of rectangle is 40*25if the breadth and length are increased by 15% what is their new area in percentage

150. ## Differentials (calc)

Solve the Poisson equation ∇^2u = sin(πx) for 0 ≤ x ≤ 1and 0 ≤ y ≤ 1 with boundary conditions u(x, 0) = x for 0 ≤ x ≤ 1/2, u(x, 0) = 1 − x for 1/2 ≤ x ≤ 1 and 0 everywhere else. Hint: break this up as into two different PDEs.

151. ## chemistry

Calculate the molarity of a 6% solution of ammoniun nitrate of density 1.025 g/mL

152. ## English

1. Can I go home a little early? 2. Can I go home kind of early? 3. Can I go home rather early? 4. Can I go home somewhat early? ========== Are they all the same? Which ones are commonly used?

153. ## math

Identify the direction of opening,the coordinates of the center, the vertices, and the foci. Find the equations of the asymptotes and sketch the graph. x^2/16-y^2/9=1

154. ## Math trigonometry

A cos wave has its first maximum at the point (pie/2, 2) and its first minimum at (5pie/2, -4) what is the equation of the function? I remember writing 3cos(1/2(x-pie/2)-1 but I'm sure that it's wrong ?

155. ## English

The idea that most people usually behave in a calm and reasonable way is (refuted, numbed) I think refuted Each time she answered a guestion correctly, she rewarded herself with a (smug, ravenous) little smile of self-congratulation. I think ravenous

156. ## English & Comp

For our "Colon" (:) assignment, my teacher asked us to create a compound sentence that makes a general statement and follows with specific details/ create expectations and fulfills it. But How do you do that using Colons?.. A simple example would help me

157. ## Linear algebra

In a medical prognosis model, there are three states for a person: well, ill and dead. We are given that the prob. one states well given that the person is well is 0.3. The prob. one becomes ill given that one is well is 0.5. The prob. one states ill given

158. ## Chemistry

Compute the surface area of revolution about the x-axis over the interval. y = x^2, [0, 4] Is it (pi/12)(65^2 - 65)^(3/2)?

159. ## world history

Which of the following is not one of the new thoughts of or about God that were formulated in the Axial Age? A. Involved God B. Divine God C. Many Gods D. Single God

160. ## Biology

Need help on the deciding which releases the most energy - fermentation or cellular respiration. I read fermentation is quicker but didn't know if it necessarily released the most. Thanks...

161. ## Critical thinking

If you can draw another conclusion from premises is the conclusion inductively invalid?

162. ## ugochukwu

A company borrowed 100000 at 5% per annum on compound and repayed 7000 at the end of each year, how much is he owing at the beginning of 12 years

163. ## Math

What is a equivalent expression for 16 + 56?

164. ## physics

A) Assume the mass of a pendulum is 3kg. Calculate the work done by the pendulum on the mass from 0 degrees to 180 degrees ( you will need to integrate with respects to d(theta ) instead of dx given: the mass at the end of the string experiences a

165. ## Chemistry

How can you tell if a compound is polar or nonpolar? Is it just by lewis structures? what would copper (II) phosphate be?

166. ## st augustine/math

robert has 50 coins.there are 5 centavos and 10centavos total of 3.50.. How many 5 centavos are there?

167. ## math

There are 266 students that need to fit in the auditorium. 9 kids can fit in one row. How many students will sit in the last row?

168. ## Math

It is possible to have an angle where sin A > 1. True or False

169. ## Math

Mr Daniels bought 5 candy bars for a band fundraiser at \$2 each. How much does he owe?

170. ## Math

A cos wave has its first maximum at the point (pie/2, 2) and its first minimum at (5pie/2, -4) what is the equation of the function? I remember writing 3cos(1/2(x-pie/2)-1 but I'm sure that it's wrong ?

171. ## physics

if a worker pushes a box 3 times as far as you do and exerts double the force you applied, which one of you does more work and by how much?

A cos wave has its first maximum at the point (pie/2, 2) and its first minimum at (5pie/2, -4) what is the equation of the function? I remember writing 3cos(1/2(x-pie/2)-1 but I'm sure that it's wrong ?

173. ## precalc

For each: a) Identify the ellipse as horizontal or vertical b) Give the coordinates of 1) The center 2) The major vertices 3) The minor vertices 4) The foci 1) [(x+4)2/64] + (y2/100) = 1 2) [(x-1)2 / 36] + [(y+3)2 / 25] = 1

174. ## HELP

What/how do you study???? I have been struggling, and even flashcards aren't helping. My final exams are next week!!!!!

175. ## Chemistry

Zn + 2HCl = ZnCl2 + H2 Which amount would produce more H2: 17gramsZn OR 150 mL of 0.5HCl?

176. ## lsue

the larger of two numbers is 11 more than three times the smaller. the sum of the two numbers is 59. fine the two numbers

177. ## math

what is 4.089 in expanded form? my answer was 00.489.

178. ## Geology

Why are the Ape Caves called the Ape Caves?

179. ## math

which two numbers have a quotient of 12 a)10 b)111 c)119 d)120

180. ## Math

I am thinking of two two-digit numbers.they differ by 54.Both numbers are made up of the same digits, are reversed.What are the two numbers?

181. ## Creative Writing

I need short story ideas. I am hoping to write a real tear-jerker, but I've already written works involving mental illness, eating disorders, and suicide. Does anyone have any other ideas?

182. ## English

Is it okay to tell in the first paragraph of a cover letter who I am and how many years of education I have?

183. ## Math

How long will it take to earn \$288 in interest if he invests \$2400 at a rate of 4 %

184. ## central middle

In September, the ratio of the amount Ray spent and the amount he saved was 4:1. In October, he got a salary raise. He increased his spending by 25% but save the same amount. Find the new ratio. Is it 5:1?

185. ## Spanish

How do you say "She said I could not" in Spanish?

186. ## statistics

how many different bidge cad can be selected fom an odinay deck of 52 cads

187. ## math

how to do theoretical probability?

188. ## Math

which two numbers have a quotient of 11

1. -4 -5(x+8) 2. 3x + 4(x-6)-3(x-7) 3. X+8 (with a line under it) -3 5. -5p>-30

190. ## chemistry

A sample consist only NaCl and NaBr has amass of 0.7648gm. This sample is place in solution in which excess of silver is added which forma precipitate the AgCl and AgBr has amass of 1.5758 gm . what's the percentage of Cl and Br in original sample ?

191. ## Applied Calc

PLEASE HELP FIND DEFINITE INTEGRAL. I've been on this problem for an hour and a half and done it over 7 different ways. It can't be THIS hard!!! ∫ ((t^2)-t)^2) dt with b=-3 and a=1 thank you.

192. ## calculus

Find the derivative of y=(7x^(1/3))/(x^2+9)

193. ## Biochemistry

Why we cool the tube in anthrone test then observe the color

194. ## Math

I am a common multiple of 8 and 2. I am greater than 50 and my digits are 3 apart. What am I?

195. ## Calculus

Find the derivative of y=(2*x^(3/2))/(x^2+5)

196. ## math

how many 1/6 pound hamburgers can be made with 8 pounds of meat

197. ## Math

What is the biggest number that is before Infinity but after Hitachi SR 8000??

198. ## Soc 203

According to the conflict perspective, laws are relative and change over time. true or false

199. ## calculus

Find the critical numbers x1 and x2 of y=(9x^2+3)/4x.

200. ## NATSCI 2

A sand bag is dropped from a baloon it is observed that strikes the ground 8 sec. Afterwards,how far is the baloon ?

201. ## Maths

2tan x + sec x = 4cos x