# Questions Asked onNovember 5, 2015

1. ## Calculus

Squares with sides of length x are cut out of each corner of a rectangular piece of cardboard measuring 3 ft by 4 ft. The resulting piece of cardboard is then folded into a box without a lid. Find the volume of the largest box that can be formed in this

2. ## Calculus 1 optimization

A farmer wants to fence an area of 6 million square feet in a rectangular field and then divide it in half with a fence parallel to one of the sides of the rectangle. What should the lengths of the sides of the rectangular field be so as to minimize the

3. ## ART CHECKING!!! PLEASE CHECK IT!!! :(

1. How has the artist used value in this painting?(Adoration of the Shepherds by Nicolaes Maes) A. The background is lighter than the foreground to draw the viewer's eye. B. The artist did not use value in this painting. C. The subject is lighter than the

4. ## math/economics in calculus

The average cost of manufacturing a quantity q of a good, is defined to be a(q) = C(q)/q. The average cost per item to produce q items is given by a(q) = 0.01q2 − 0.6q + 13, for q >0. I know that the total cost is 0.01q^3-0.6q^2+13q What is the minimum

5. ## Check my answers L.A

Which of the following phrases or sentences from the novel best describes the setting as the action of the story begins? A. And so, in a crooked little house at the head of Hancock's wharf on crowded Fish Street... B. On one side of the deserted wharf were

6. ## chemistry

Copper(II) nitrate decomposes upon heating to form copper(II) oxide, nitrogen dioxide gas, and oxygen gas. If 1.0 mole of copper(II) nitrate decomposes, how many moles of nitrogen dioxide would be formed?

7. ## Geometry

Which rule describes the transformation that is a reflection across the x-axis? a- (x,y)>(x,-y) b- >(-x,y) c_ >(-x,-y) d- >(y,x) my answer is a

To make sure its correct before I turn it in Q.If f(x) is a linear function, which statement must be true? A.f(x) has no x2-term. Q2.The graph of a function must be linear if it has what characteristic? A2.It has a constant slope. Q3.If f(x) is a linear

9. ## I need help again

A car enters a turnpike 22 miles north of a town. The car travels north at an average speed of 64 miles per hour. How far is the car from the town after 4 hours? How do you solve the linear function then solve the problem? If you could help me understand

10. ## Geometry

The vertices of a triangle are P(-4,1), Q(-2,-8), R(8,-1). What are the vertices of the image reflected across the y-axis? my answer is P'(4,1),Q'(2,-8),R'(-8,-1)

Tell whether the sequence is arithmetic. If it is, what is the common difference? a. no (as in, its not arithmetic) b. yes;4 c. yes;5 d.yes;6 i think its a

Cross out any prepositional phrases. Underline subject once and the verb or verb phrase twice. 1.) The children may not play outside the house during a storm. Verb: may, play Subject: children Phrase: outside the house during the storm 2.) You must not

13. ## Math! Pls Help!

You exercised 24 hours each month for a year. How many hours did you exercise by the end of the year? 1. Show you Calculation using Distributive Property 2. Show you Calculation without using Distributive Property Pls Help!

14. ## science

erosion and weathering are examples of which types of forces? A constructive forces B destructive forces***** C gravitational forces D inertia-related forces please check my answer

A lighthouse with a rotating beam is located 500m south of a coastal cliff that runs west to east a) determine a relation for the distance from the lighthouse to the point the light strikes the cliff in terms of the angle of rotation x b) determine an

16. ## Precal

The number of people in a town of 10,000 who have heard a rumor started by a small group of people is given by the following function: N(t) = 10,000/(5 + 1245e-.97t) 14. How many people were in the group that started the rumor? 15. How many people have

17. ## chemistry

3NO2(g) + H2O(l) → 2HNO3(l) + NO(g) How many moles of NO2(g) are required to react with 1.00 mole of water to produce 3.00 moles of nitric acid?

18. ## Physics

2. Consider the ball example in the introduction when a ball is dropped from 3 meters. After the ball bounces, it raises to a height of 2 meters. The mass of the ball is 0.5 kg a. What is the speed of the ball right before the bounce? b. How much energy

19. ## math

Suppose you have \$60 to buy shrimp and chicken wings for a party. Shrimp costs \$10/lb and wings cost \$6/lb. Write and graph a linear equation that could be used to determine the number of pounds of each food that can be purchased with \$60 Would I start

20. ## History

Which of the following best describes how the Articles of Confederation allowed Congress to protect the new nation? a.) The States created individual armies and navies, and Congress provided the weapons. b.)Congress could raise and lead the army and navy,

21. ## ALGEBRA

the ordered pairs pairs (1,36), (2,49), (3,64). (4,81), and (5,100) represent a function. What is a rule that represents this function y=x^2 y=36x y=(x+5)^2**** y=(x=6)^2

Hamza bought 8 gallons of brown paint to pain his kitchen and the dining room. Unfortunately, when Hamza started painting, he thought the paint was too dark for his house, so he wanted to make it lighter. The store manager would not let Hamza return the

Maritza is baking cookies to bring to school and share with her friends her birthday. The recipe requires 3 eggs for every 2 cups of sugar. To have enough cookies for all of her friends, Maritza determined she would ned 12 eggs. If her mom bought 6 cups of

24. ## Geometry

Which letter has rotational symmetry? I J K L IMy answer is I

25. ## Geometry

what type of symmetry does the ying yang symbol have? I don't think it has symmetry

26. ## Science

1. The human endocrine system is made up of which of the following structures? (1 point) vessels receptors glands * chambers 2. Which of the following best describes the function of the endocrine system? (1 point) It secretes chemical messengers that

27. ## Social Studies

How do low literacy rates relate to the economy of a country? 1. They are associated with lower levels of education, which reduce economic development.* 2. They are associated with higher levels of education, which increase economic development 3. They are

The temperature in Toronto at noon during a winter day measured 4°C. The temperature started dropping 2° every hour. Which inequality can be used to find the number of hours, x, after which the temperature will measure below -3°C? Can you please check

29. ## science

Earth titled axis affects the strength of sunlight in different places of earth's surface. If you are in an area that receiving less direct sunlight,where are you located? a) near the equator b) near the north pole c) near the south pole d) near the north

30. ## math

A plane that carries mail makes a round trip each day from Chicago to New York. It makes 2 intermediate stops on the way to New York and 1 intermediate stop on the way back to Chicago. Suppose you make a graph of the altitude of the plane for one day, with

31. ## Science Help 1 question

Which of the following is most likely an example of predator adaption? A. Warning Coloration B. Keen eyesight C. Thick body armor D. Spines My answer is Warning Coloration

32. ## ALGEBRA

bean plants grow rapidly. a bean plant is 16 inches tall. Tomorrow it will be 24 inches tall, the next day it will be 32 inches tall and on the next day it will be 40 inches tall. Write a rule to represent the heights of the bean plant as an arithmetic

33. ## Science - Mercury

So I'm in the middle of working on a science portfolio and it says: How will you overcome these challenges with the design of your spacecraft? you see I'm planning my own mission to space and I'm traveling to mercury, but I don't know how my spacecraft

34. ## HELLLLLLLOOOOO

Get–Around Cab Company charges \$2.50 upon entry and \$2 per mile. Write the function that represents the cost C of a ride of m miles.

35. ## chemistry

How many moles of carbon monoxide gas are produced from the reaction of 5.00 moles of SnO2(s) with 9.00 moles of carbon according to the equation below? SnO2(s) + 2C(s) → Sn(s) + 2CO(g) Question 28 options: 4.50 mol 9.00 mol 18.0 mol 5.00 mol 7.50 mol

36. ## Calculus

Find the points on the curve y=x2+2 closest to the point (0,3). Enter the coordinate with the smallest x-value first and round to the nearest 4 decimal places.

37. ## finanacial literacy

Last year, Rebecca contributed \$95 per month toward her 401(k) account. If her employer matched 19% of her contributions, what was the total amount contributed to the 401(k) at the end of the year? A. \$1058.10 B. \$1356.60 C. \$1243.20 D. \$1205.00

38. ## Math

Write in exponential form and standard form? 10x10x10x10 EXPONENTIAL FORM - 10^4= 10X10X10X10=40 STANDARD FOR - 10X10X10X10= 40 Am I correct

39. ## Science Ms. Sue Please

1. The human endocrine system is made up of which of the following structures? (1 point) vessels receptors glands * chambers 2. Which of the following best describes the function of the endocrine system? (1 point) It secretes chemical messengers that

40. ## Math 141

A pair of fair 6-sided dice is rolled. What is the probability that a 3 is rolled if it is known that the sum of the numbers landing uppermost is less than or equal to 7? (Enter your answer as an exact fraction.)

41. ## Math

Juan's company spent \$2350 on an event. They spent about \$1500 on food and about \$900 on entertainment. What could the actual cost of the food and entertainment be?

42. ## Pre-Algebra

Two urns each contain green balls and blue balls. Urn I contains 4 green balls and 6 blue balls, and Urn II contains 6 green balls and 2 blue balls. A ball is drawn at random from each urn. What is the probability that both balls are blue? A. 2/15 B. 3/20

Which of the following systems is not directly involved in the body's regulation of water. a. digestive b. muscular c. urinary d. integumentary

44. ## history check answers pls

1. Who controlled the most territory bordering the Louisiana Purchase? Spain France Great Britain Mexico 2. What was George Washington's role during the American Revolution? He was the founder of the Sons of Liberty. He was the commander of the Continental

45. ## Math

I have to write this number in word form 1,358,049? Is it One million, three hundred fifty-eight thousand, forty-five

46. ## Calculus

A company needs to make a cylindrical can that can hold precisely 1.5 liters of liquid. If the entire can is to be made out of the same material, find the dimensions (radius and height) of the can that will minimize the cost. Round your answer to the

47. ## Can someone check this

A salesperson earns \$200 a week plus a 4% commission on her sales. Which equation models the relationship between her sales in a given week, s, and her weekly earnings, e? Is it e=200s+4?

48. ## math

Kyle wants to form rectangles using straws.he has two straws of 6 inches long, two straws 4 inches long, and two straws 2 inches long.using four straws attached at the ends, how many different rectangles can Kyle form¿ what are the perimeters of the

49. ## chemistry

3NO2(g) + H2O(l) → 2HNO3(l) + NO(g) How many moles of the excess reactant remain if 2.00 moles of H2O(l) and 5.00 moles of NO2(g) are used? Question 30 options: 1.67 mol H2O(l) 3.00 mol NO2(g) 4.00 mol NO2(g) 1.00 mol NO2(g) 0.33 mol H2O(l)

50. ## Calculus 1-Optimization

A box with a square base and open top must have a volume of 4,000 cm^3. Find the dimensions of the box that minimize the amount of material used. sides of base cm height cm

51. ## Biology

If 25 individuals were alive in 1955 and 500 existed in 2013, what is r? Show work please! a) 475 b)2.99 c)0.052 d)0.029

52. ## Chemistry

How many grams of ethanol, C2H5OH, can be boiled with 343.0 kJ of heat energy? The molar heat of vaporization of ethanol is 38.6 kJ/mol I'm not sure how I am supposed to set this problem up. Can someone help me, please?

53. ## Physical science

A 1.2 kg metal head of a geology hammer strikes a solid rock with a speed of 5.7 m/s. Assuming all the energy is retained by the hammer head, how much will it's temperature increase? C= .11 kcal/kgC I already set up the problem. But I keep getting the

54. ## college algebra

A piece of machinery valued at \$30,000 depreciates at a rate of 10% yearly. How long will it take for it to reach a value of \$15,000?

55. ## history

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

56. ## probability

an employer wishes to hire three people from a group of 15 applicants. 8 men and 7 women, all qualified to fill the position. if he selects the three at random. what is the probability. a) all will be men? b) one will be a women?

57. ## Calculus

Evaluate using integration by parts, substitution, or both if necessary. the intergral of cos 2x ln(sin 2x) dx My work: w= sin2x dw= 2cos2xdx 1/2 dw= cos2xdx 1/2 integrsl sign ln(w)dw u= lnw u'= 1/w v= w v'=1 1/2 [(lnw)(w)- integral sign (1/w)(w) dw] 1/2

58. ## Precalc

suppose you want to invest \$60,000 for ten years. You can invest your money in a CD that earns 4% interest, compounded quarterly and has no risk, or you can invest your money in futures that ear 10% interest, compounded quarterly. However, the second

59. ## Calculus 1

The rate (in mg carbon/m^3/h) at which photosynthesis takes place for a species of phytoplankton is modeled by the function P = (120I)/(I^2 + I + 4) where I is the light intensity (measured in thousands of foot-candles). For what light intensity is P a

60. ## Math

There is 1/3 of a puzzle in every box of cereal. Use a fraction to the number of puzzles in 6 boxes of cereal

61. ## chemistry

How many moles of carbon monoxide gas are produced from the reaction of 5.00 moles of SnO2(s) with 9.00 moles of carbon according to the equation below? SnO2(s) + 2C(s) → Sn(s) + 2CO(g) Question 28 options: 4.50 mol 9.00 mol 18.0 mol 5.00 mol 7.50 mol

62. ## Bloemhof Gekombineerde Skool

The day-time temperature in Sutherland was recorded as 9 degrees Celsius. During the night the temperature dropped by 16 degrees Celsius. Express an equation?

63. ## MATH

A GREAT PYRAMID HAS A SQUARE BASE 230M ON EACH SIDE. THE 4 TRIANGULAR FACES EACH MAKE AN ANGLE OF 51.50' WITH THE GROUND. 1) HOW TALL IS THE PYRAMID ? 2) WHAT ARE THE DIMENSIONS OF EACH OF THESE TRIANGULAR FACES ?

for a project, you need the diagonal fold of a square piece of origami paper to be 10 cm long. to what dimensions do you need to cut the square origami paper?

Determine whether the solution is basic, acidic, or neutral. Write net ionic equations to show how it behaves in aqueous solutions. 1) Fe2(SO4)3 I know it is acidic Do I do hydrolysis equations for the net ionic or do I do redox reactions?

66. ## COLLEGE ALGREBRA

A horse breeder wants to construct a corral next to a horse barn that is L=20 feet long, using the barn as part of one side of the corral as shown in the figure above. The breeder has 320 feet of fencing available.

67. ## Pre-Algebra

Suppose you roll two number cubes and pick a letter of the alphabet at random. Find the probability you roll 2 even numbers and pick one of the vowels a, e, i, o, or u. A. 7/104 B. 5/104 C. 1/6 D. 1/104

68. ## physics

A hungry bear weighs 700 N walks to a basket of candy that is located in end of a beam . The beam is uniform and weighs 200N , with a length of 6.0 m . The beam is supported by a cord forming an angle of 60 ° . The basket weighs 80 N. When the bear is

69. ## chemistry

5NaN3(s) + NaNO3(aq) → 3Na2O(s) + 8N2(g) If 1.50 g of N2(g) are produced, how many grams of Na2O(s) are also produced? Question 26 options: 8.85 g 3.32 g 2.05 g 2.22 g 1.24

Two urns each contain green balls and blue balls. Urn I contains 4 green balls and 6 blue balls, and Urn II contains 6 green balls and 2 blue balls. A ball is drawn at random from each urn. What is the probability that both balls are blue? A. 2/15 B. 3/20

71. ## Physics

The water from two buckets is mixed together. One bucket contains 5kg of water at 20 degrees Celsius and the other contains 1kg of water at 80 degrees Celsius. What is the final temperature of the mixture, assuming no heat is lost to the surroundings? A.

72. ## Physic

A winch drags a 200 kg crate along a 15 degrees incline at 0.2 m/s. The coefficient of kinetic friction is 0.22. What is the power required as the crate moves up the slope?

73. ## chemistry

3NO2(g) + H2O(l) → 2HNO3(l) + NO(g) How many moles of nitric acid are produced starting from 5.00 moles of NO2(g) and excess water?

74. ## English

The lack of exposure to the outdoors resembles social outcast in Tim Burton’s films creating the characters Edward Scissorhands and Willy Wonka to connect differently from others. Individuality is expressed specifically within these two films “Edward

75. ## Math

Sorry the number is 0.8923 which digit is in the thousandths place? I believe it is the 8 but the 0 is throwing me off

76. ## social studies

how did geography influence the economy of new england?

77. ## chemistry

5NaN3(s) + NaNO3(aq) → 3Na2O(s) + 8N2(g) If 1.50 g of N2(g) are produced, how many grams of Na2O(s) are also produced? Question 26 options: 8.85 g 3.32 g 2.05 g 2.22 g 1.24 g

78. ## physics

A hollow cylinder, a solid cylinder, a hollow sphere, and a solid sphere roll down a ramp without slipping, starting from rest. The ramp is 0.25 m high. All the objects have radius 0.035. What are their final speeds? Please show what equation you used and

79. ## History

During the Continental Congress, two plans were put forth to create a design for Congress. Which of the following best describes how Congress would be designed, according to the New Jersey Plan? A.)There would be one house, and representatives would be

80. ## Chemistry

Solve with half equation reaction SO3 2- + MnO4 -=SO4 2- + Mn2+

81. ## stat

The mean of a normal probability distribution is 60; the standard deviation is 5

82. ## math

The scale drawing of a rectangular room will be enlarged by a scale factor of 4 to create the actual room. The actual area of the room will be 150 square feet. Which expression finds the area of the scale drawing?

The temperature in Toronto at noon during a winter day measured 4°C. The temperature started dropping 2° every hour. Which inequality can be used to find the number of hours, x, after which the temperature will measure below -3°C?

84. ## math

write a measurement division story problem for 6 divided 3/4

85. ## Physics

A projectile is launched at an angle of 20.0 degrees above the horizontal with an initial speed of 88.1 m/s. The maximum height reached by the projectile will be ____ m.

86. ## Art help me please i need it soon

haystacks in brittany by paul gauguin the artis most obviously showed experimentation through his use of perspective texture *** color line Achille de gas in the uniform of a cadet how was portion used in this image to create a mood of tranquility to

87. ## Geography

6. Which of the following conditions does not describe how infectious diseases spread? A. Malaria spreads after a mosquito stings an infected person or animal. B. Cancer is spread through tobacco smoke and poor diet. C. Influenza is transmitted by a kiss,

88. ## Physics

Calculate the amount of heat energy required to raise the temperature of 2g of mercury[specific heat capacity 0.12J g-10 C-1] from 10degree C to 30degree C? Options: A. 3.0J. B. 3.5J. C. 4.0J. D. 4.8J

89. ## Mathematics

A number , when divided by 552 gives a remainder 53. When it is divided by 23 , the remainder will be Options: A.0. B.6. C.2. D.8.

a black 8" tile was cut to surround a white 8" tile. what is the perimeter of the design?

91. ## chemistry

3NO2(g) + H2O(l) → 2HNO3(l) + NO(g) How many moles of NO2(g) are required to react with 1.00 mole of water to produce 3.00 moles of nitric acid? Question 24 options: 6.00 mol 1.50 mol 2.00 mol Not enough water is available to produce 3.00 moles of nitric

92. ## Civics

Compared with political parties in multiparty democracies, American political parties are __________.

93. ## Accounting

Chef Gourmet, Inc., has assembled the following data pertaining to its two most popular products. Blender Food Processor Direct material \$ 18 \$ 33 Direct labor 12 27 Manufacturing overhead @ \$48 per machine hour 48 96 Cost if purchased from an outside

94. ## math

Milo walks 40 meters in 15 seconds and Mira walks 30 meters in 10 seconds Whose walking is faster

95. ## technical drawing

construct a triangle ABC with AB=70MM,BC=90MM,AC=120

96. ## physics

A parallel beam of light enters a clear plastic bead 2.50cm in diameter and refractive index 1.44 .the point beyond the bead are these rays brought to focus is Plz answer this question

97. ## Math

The birth weight of full-term babies was found to follow a normal distribution with a mean of 3500grams, and standard deviation of 600grams. A) What is probability that the birth weight is less than 3000 grams. = P(X4000) Correct? C) birth weight between

98. ## SCIENCE HELP

How will the spacecraft for this mission be designed? What parts are for overcoming the challenging conditions? What parts are for collecting data? What are other parts of the design? I planned to go to mercury- what do I put:(((

99. ## English

What is this poem about? John Burnside - 'History' It states it based in St Andrews; West Sands September 2001. Is this significant? Please help me to understand this poem Thankyou

100. ## science

International efforts are being made to safeguard against the misuse of weather modification. An example of the potential to "misuse" the weather is 2)creating droughts or floods for military purposes 4)modifying jungle environments to accommodate

101. ## chemistry

How many oxygen atoms are present in 2.00 millimoles of H2SO4?

102. ## Geography

8. China is now reporting at least 650,000 infected with HIV/AIDS and the number in India may well exceed 5 million infected. True False Answer : True 9.what is not an example of how governments affect population change? A. Expansive population policies

103. ## Math

Am stuck A fifth grade class of 32 students is going on a field trip. They want to rent vans to drive to the field trip. Each van seats a maximum of 7 students. What is the least number of vans the fifth grade class must rent so that each student has a

104. ## Personification

Identify which of the following sentences contains personification. The insects were making rhythmical noises. Pine needles were a gentle brown carpet. Trees, confronting him, stretched out their arms and forbade him to pass. Is it C? Please help, thanks

105. ## science

will the air above a surface that has a high albedo be warmer or cooler than the air above a surface that has a low albedo? Low.

106. ## chem

A sample of air has a volume of 140.0 mL at 67 Degrees Celsius.? At what temperature will its volume be 50.0 mL at constant pressure? I don't understand what the question is asking how to set up the euation can someone explain

107. ## History

1.)The modern Tea Party emerged in 2009 as a response to the Emergency Economic Stabilization Act of 2008 and the American Recovery and Reinvestment Act of 2009. These two bills represented the government's response to the economic hardships facing

108. ## earth science

briefly explain how earths atmosphere heated? Energy is transferred between the earth's surface and the atmosphere via conduction, convection, and radiation. Conduction is the process by which heat energy is transmitted through contact with neighboring

109. ## quantitative reasoning

lee willis needs to save \$16,000 to open up a hair salon in 5 years. what lump sum must Lee deposit today in order to have \$16,000 in 5 years? Lee can earn 7.25% interest compounded quarterly

110. ## Physics

How much time does it take for a car to come to rest if it has an initial speed of 22m/s and slows with a deceleration of 6.1 m/s^2 Will my answer be 3.6 m/s^2

111. ## History

Which of the following best explains some of the powers granted the Congress by the Articles of Confederation? A.)Congress could build schools, collect taxes, create a banking system, and create prisons. B.)Congress could declare war, make treaties, create

112. ## chemistry

Precipitation of Ni2+ from a 25 mL aliquot of a solution of unknown concentration yielded 0.338 g of Ni(DMGH)2. Calculate the concentration of the Ni2+ solution

113. ## Math

How many different arrays can you make with a total of 6counters?

114. ## Math

Light passing through water loses 30% of its intensity every metre of water depth. At what depth will the light intensity be half of what it is at the surface? How is it 8.1? I don't know how. Thanks

115. ## Foundation aLGEBRA

Tell whether the sequence is arithmetic. If the sequence is arithmetic, write a function rule to represent it. –3, –1, 1, 3,...

116. ## Math

you are creating a board game. you want to cut square game pieces that measure 1 1/4 on each side from a piece of paper that measures 8 1/2 inches by 11 inches... how many game pieces can you cut from the paper?

117. ## history

How might the split between the eastern orthodox church and the roman catholic church affect the future of the byzantine empire?

118. ## chemistry

How many moles of nitric acid are produced starting from 5.00 moles of NO2(g) and 2.00 moles of water? Question 29 options: 4.00 mol 1.67 mol 7.50 mol 3.33 mol 10.0 mol

119. ## Spanish

can someone proofread my Spanish sentences. thanks Yo siempre celebramos la Navidad con mi familia. Yo no tengo un día favorito porque cada día es mi día favorito. Mi familia y yo siempre preparan deliciosas comidas en el día de acción de gracias . No

120. ## History

What main issue was most difficult for the Framers of the Constitution to resolve? A.)The problem of how to manage the debate B.)The details of representation for the states C.)The issue of where the President should live D.)The question of who should

121. ## Algebra

Consider the following polynomial function F(x)=-2x^3-x^2+13x-6 to answer the following question. If (x+3) is a factor of f(x) rewrite f(x) in completely factored form and identify the zeros f(x).

122. ## Geography

Population pyramids display percentages of each age group normally in 10 year increments of males and females. True or false True Which of the following best explains the categories of infectious diseases? 5. Which of the following best explains the

123. ## Language Arts

Write compound after each compound sentence. Write complex after each complex sentence. Underline the word that joins the two clauses in each sentence. 1. All players are important to a team,but the pitcher may be the most important. - Compound and

124. ## calculus

An Olympic athlete is standing at the edge of one side of a 3.7km wide river and wants to reach the point 7.4km downstream just along the edge of the opposite side. For this entire 7.4km stretch, the river is completely straight. The velocity of the

125. ## GEOLOGY

3. How do you think the principle of uniformitarianism accounts for occasional catastrophic events such as meteorite impacts, huge volcanic eruptions or great earthquakes?

126. ## Math

A computer is reduced by 15% in a sale. The original price is £560. Calculate the sale price

Write compound after each compound sentence. Write complex after each complex sentence. Underline the word that joins the two clauses in each sentence. 1. All players are important to a team, but the pitcher may be the most important.-Compound sentence and

128. ## History

African Americans shared their slavery experiences through which of the following? A.)tools and utensils B.)housing and land C.)song and stories D.)clothing and shoes I put C

129. ## Geometry

p>p'(-2,-6) for the glide reflection where the translation is (x,y)>(x,y-1) and the line of reflection is x=1. What are the coordinates ofP?

130. ## math

Each floor of a hotel has r rooms. on 8 floors, there are a total of 256 rooms. Now, wuld my expression looke like this:r8=256 0r 256/r equals 8

131. ## programming ( qbasic)

rem prints fibonacci series cls a=2 b=1 for p = 1 to 5 print a print b a=a + b b=b + a next p end I have done this program. How do you do it using modular programming.. FUNCTION...END FUNCTION???? I tried but it didn't work

132. ## MATH

Simplify square root of 3 times square root of 21. A.Square root of 24 B.Square root of 63 C.3 Square root of 7 D.None of the above

133. ## f.s.t.c y

(chemistry) 23g of ethanol was mixed with 72g of water in a reaction vessel.calculate the mole fraction and mole percent of water.calculate the mole fraction and mole percent of ethanol

134. ## Critical thinking

I need to identify if each premise is acceptable or unacceptable, and for this the conditions of acceptability are acceptable by observation, testimony, authoritative testimony (only use if the premise explicitly refers to an authority), and a priori And

135. ## Math

Jim starts with a \$2000 balance on his credit card. During the first month he charges \$300, and during the second month he charges \$500. The credit card has finance charges of 23% APR. The first month Jim makes a \$200 payment and the second month Jim makes

136. ## Calculus

Evaluate the integral. cot3(4x) dx

137. ## universitu

A tire 0.50meter in radius rotates at aconstant rate of 200 revolution per minute .find the speed & accelaration of asmall stone lodged in the tread of the tire(on its outer edge)

138. ## Chemistry

If I add 2ml of .1M of NaOH to a buffer system containing sodium acetate and acetic acid, what will happen to the acetate concentration? Will it increase or decrease?

139. ## chemistry

Initially a vessel is charged at 1000K with SO3 at a partial pressure of 0.5atm. At equilibrium the SO3 partial pressure is 0.2atm. Calculate the value of Kp at 1000K. 2SO3->2SO2+O2 My answer: 0.5-0.2=0.3atm SO2=0.3atm*2/2mol= 0.3 O2=0.3atm*1/2mol=0.8

140. ## Space craft

How will you overcome these challenges with the design of your spacecraft? (I decided to choose the inner planet mercury) I put: Mercury is very different than Earth. It’s far rougher than earth; the main problem is the temperature. Humans can’t just

141. ## Art

Art has careers based on...? A.many subject areas> B. only art-based subject areas.* C. Subject areas that involve history only. D. Subject areas that involve language Arts only. I think its c is it right?

142. ## Mathematics

The day-time temperature in Sutherland was recorded as 9 degrees Celsius. During the night the temperature dropped by 16 degrees Celsius. Express an equation?

143. ## History

In most colonial American households, who was in charge of tending to the kitchen garden, dairy, and hen house? A.)slaves B.)husbands C.)housewives D.)Native Americans i put C

144. ## math

A garden in the farm of a square, is surrounded by a path which is 1m wide on two opposite sides and 1/2m wide on the other two opposite sides. If the area of the path is 17msquared, calculate the : Perimeter of the garden Area of the space covered by the

145. ## Math

venus and fumiko are coworkers at a rental store Venus earns 2.25 per hour than Fumiko together they earn 14.55 per hour how much money per hour does Venus earn

146. ## science

What best accounts for the retreating of a waterfall? 1) meandering stream action 2) erosion of the stream bed

147. ## history

International efforts are being made to safeguard against the misuse of weather modification. An example of the potential to "misuse" the weather is 1)eliminating droughts and deserts in the world 2)preventing floods in flood-prone areas 3)creating

148. ## math

A student version of the constitution fits a piece of paper that is 8 1/2 by 11 inches. which is the largest scale that can be used so that it fits the paper?

149. ## Critical thinking - Reed?

I have finished my assignment I and would like if someone could look it over and tell me if I'm really off on any points? (i) John will either score 10/10 on the assignment or he will not -Acceptable by observation (ii) David Johnston is Canada’s head of

150. ## Math

Jim runs 50% faster then Bob. In a 1200m race how much of a head start should Bob get to make the race fair I got a 600m head start but am I right??

151. ## math

How can you tell, before you divide 387 by 4, that the first digit of the quotient is in the tens place?

152. ## math

f(X)= (x^2)/(x^2 - 1) .find the symmetry , intercepts, asymptotes, interval of increase and decrease, local extreme values, concavity, point of deflection and draw the graph of the function.kindly show the working.

153. ## art urgent

achile de gas in the uniform of a cadet by edgar degas how was proportion used in this image to create a mood of tranquility to create an optical illusion to create a sense of perspective in the image to make sure the person was drawn correctly

154. ## physics

a body starts from resr and accerlerates at the rate of "a" for time t and retards at 'b' for time 2t. find the final and the max velocity

155. ## Language

When you're told that there are no jobs. And it is time for some fast thinking. What would be the correct thing to put in? 1) jobs, it 2) jobs, and it

156. ## zca mpika

physics A rectangular open tank 6.0m × 8.0m is filled with water to a depth of 8.0m if the atmospheric pressure 1.013×10^pa.find the pressure at the bottom of the tank and force exerted at the bottom assume that g=10N/kg?

157. ## Science/Math

If the air temperature is 30 degrees C and the relative humidity is 60%, will the dew point be reached if the temperature drops to 25 degrees C? I know that the formula is x = .60(37g/m cubed.)

158. ## Math

Is the simplified form of 2square root of 3 ⋅ 2square root of 6 rational? Yes or No

159. ## english

when developing strategies for writing, which of the following is not a good strategy?

what is the height of an equilateral triangle with an edge of one meter?

161. ## math

30 chocolates in a bowl. 12 are dark chocolate, 8 are white chocolate and 10 are coffee. what is the chance of getting a coffee chocolate?

162. ## Geometry

I don't understand this can someone please point me in the right direction. The Pentagon pictured below is regular. What is the image of line CA after a rotation of 216 degrees? The pentagon has 5 lines of symmetry and a radius of 72 degrees.

163. ## math 6

Javier solves three math problems in five minutes. He has 20 math skill-work questions for homework, and he wants to complete them before talking with friends. How many minutes will javier take to complete 20 math skill work questions

164. ## history

the decree of april 6 1830 stopped immigration )to mexico from texas )to texas from mexico )to texas from the US****** )to the us from texas

165. ## math

Someone runs 3/6 of a distance run and the other person runs 3/8 which one has ran the farthest

166. ## science

What best accounts for the retreating of a waterfall? Only one answer is right 1) meandering stream action 2) erosion of the stream bed

167. ## Math

Aoki completed 3/6 of a distance_running challenge. Faye completed 3/8 of the same challenge. Who ran the farther distance

168. ## Algebra 2

Get–Around Cab Company charges \$2.50 upon entry and \$2 per mile. Write the function that represents the cost C of a ride of m miles. I don't know what the formula is?

169. ## math's

The average of numbers is 66.Three of the numbers are 58,67,and 80 find the average of the seven numbers.

170. ## english

Question tags can i use it as donotyou know or do you not know please answer my query

171. ## Science

Chemicals used to kill bacteria on living things are. Saprophytes Antiseptics or Postulates

172. ## math

What does it mean for an equation to be balanced and why must you keep an equation in balance?

173. ## math

A runner and a walker depart from the same point going in opposite directions on a circular track that is 1 mile long. The runner travels at 9 mph and the walker at 3 mph. After how many minutes will they pass each other? I know the answer is 5 but I don't

174. ## Math

This number has 4 places to the right of the decimal point. It has 2 hundreds, 3 ten thousandths, and 1 tenth. It is between 240 and 242. The thousandths place is one less than the ten thousandths and less than the hundredths. What are six numbers that

175. ## Math (Algebra)

Two groups went to the movies. The first group included 3 adults and 5 kids and paid a total of \$71. The second group included 5 adults and 3 kids and paid a total of \$81. If ticket prices were the same for each group, find the cost of each type of ticket.

176. ## calculus

Prove that sin(π + θ) = (-sin2θ) / (2cosθ)

177. ## biology

How can i get air in a bag, into a beaker of solution?

178. ## math

think about the number 5 in this number- 5,781.203 if the number is dived by 1,000 in which place would the 5 end up

179. ## Language

Consider an example in which both cars are insured by the same plan. Is there supposed to be a comma after "example"?

180. ## Math

Hugh is 5 years younger than his 14year old sister, Beth. If n represents Beth's age in the future, write an expression that wold represent Hugh's age at the same time

181. ## math

Ms. Sue can you help me .My question is already submitted.

182. ## physics

a term is related as at=bt2 + ct3 +d,if 'a' has dimension of power,find the dimention of 'b','c' and 'd'......'t' is the time

183. ## English

what is the PA in question 13?

184. ## Pre-Calculus

Write the standard form of the equation of the line that passes through the point (-4, -2) and is perpendicular to the graph of 3x - 2y + 9 = 0.

185. ## Geography

Infant mortality is the same as child mortality. True or False false which country has the lowest life expectancy? A. USA B. Japan C. Russia D. Brazil E. Spain C?

186. ## Quick English check

Please check to if see if the vocab words are paired with the right sentences. The sentences are supposed to explain the vocab word. Correct me if I'm wrong. 1. The all circumstantial but it definitely does not look good for the suspect. (SUSCEPTIBLE) 2. I

187. ## Quick English check

Please check to if see if the capitalized vocab words are in the right spot. Correct me if I'm wrong. 1. The all circumstantial but it definitely does not look good for the suspect. (SUSCEPTIBLE) 2. I have been convinced to participate in the activity even

188. ## NEED HELP ASP English

what is passive and active?

189. ## Math

Which digit is in the thousandths place am confused by the 0 but I believe the 8 is in the thousandths place.

190. ## Biology (or math)

What is the surface area to volume ratio of a cube with a with of 4 cm. I think its 1.5:1

191. ## Physics

Calculate the pressure exerted by 75 cms of vertical length of a water column in SI units. Options: A. 7390Pa. B. 7560Pa. C. 7250Pa. D. 7350Pa.

192. ## physics

Any ideas? A bird flying at 3m/'s west is given an acceleration of 1ms after five seconds what I'd it's velocity and how far has it travelled from its starting point?

193. ## Math

So it is the 2 that is in the thousandths place. To Ms. Sue

A tree casts a 35 meter long shadow at a time when the sun is 41° above the horizon. How tall is the tree? Would the answer be 53 meters?

195. ## SCIENCE

NEAR POINT OF A HYPERMETROPIC EYE IS Im.WHAT IS NATURE AND POWER IF LENS? ANSWER IS 3 D.MY ANSWER IS 5D

196. ## Math

What does four to the fourth power mean

197. ## physics

So basically I got this question and it's baffling. Over a distance of 5m the speed of a bicycle increase's from 2ms to 5ms what I's the magnitude of acceleration?

198. ## English

Their isolation towards others expresses that them growing up in a different environment affects their social skills. Would I use affect or effect

199. ## Geography

1. All of the following explain negative geographical health influences on population expect....... A.High Infant mortality in Haiti B. Poor sanitation in Sub-Saharan Africa C. Destroyed hospitals in war-torn regions of the Middle East. D. Aging population

200. ## william dick

If nuts are \$6lb how much 1 3/4

201. ## Math

There are 3 aquariums in the museum. In the first aquarium there are 235.3 pound of fish food the second aquarium has 199.18 pounds of fish food the last contains 217.12 pounds of fish food. How much fish food does the museum have in the aquarium

202. ## Chemistry

An atom emits a photon of wavelength 1.08 meters. What is the energy change occurring in the atom due to this emission? (Planck's constant is 6.626 × 10-34 joule seconds, the speed of light is 2.998 × 108 m/s)

203. ## Math

when I divide I come up with 4 with a remainder of 4.

204. ## math

What happens when 6.3 is divide by the 4th power of ten

205. ## Math

Jim runs 50% faster then Bob. In a 1200m race how much of a head start should Bob get to make the race fair? My solution: 50%= half Half of 1200m is 600m So the answer is 600m Am I right

206. ## Science

what are some tools used to collect data in space?

-4x+3y=12 Solve for y I got: 12+4x/3 Is that right?

208. ## Math

A customer buys 15.78 worth of gasoline and one can of pepsi price .75. You receive a 20 bill in payment. What is the change?

209. ## home

how do i tell my mom that i can stay home alone at night? btw i am 14.

210. ## math

A runner and a walker depart from the same point going in opposite directions on a circular track that is 1 mile long. The runner travels at 9 mph and the walker at 3 mph. After how many minutes will they pass each other? I know the answer is 5 but I don't

211. ## precalculus

Prove that (1 + cos) / (sin + tan) = cot

212. ## ms.sue help

what is possessive form?

213. ## math

What happens to 6.3 when you multiply it by the 4th power of ten

214. ## English

Is trust essential or not essential to survival?

215. ## english

a symbol or symbolic moment in "It Happened to Nancy" book

216. ## Zibonele high school

What is a projectile?

9/16 x 2/3 =

218. ## Math

The sum of two numbers is 48. One number is 24 more than the other number. Find the numbers. My thinking is X=48-24. X=24

219. ## Maths

If x=0.9, then the value of {1-[1-(1-x3)-1]-1}-1/3 is Options: A] 0.9 B] 0.3 C] 0.6 D] 0.0081

220. ## Math

Because I was thinking I had to divide the number by how many tanks were in the aquariums. Ms. Sue 235.3 199.98 217.12 __________ 652.40

221. ## FINANCE

WHAT IS THE VALUE OF A \$100 PAR PREFERRED STOCK THAT MUST BE RETIRED AFTER 10 YEARS IF IT PAYS A DIVIDEND OF \$5 ANNUALLY AND THE INVESTOR REQUIRES A 6 PERCENT RATE OF RETURN

222. ## Math

Sorry I was thinking about 10x4 is for the correct answer is 1,000.00

223. ## English check

Please check to if see if the vocab words are paired with the right sentences. The sentences are supposed to explain the vocab word. Correct me if I'm wrong. 1. The all circumstantial but it definitely does not look good for the suspect. (SUSCEPTIBLE) 2. I

224. ## Math

The correct answer is 10,000. Thank you Ms. Sue for pushing me and making me think. I hope this is the right answer.

225. ## GNC Sirsa

6x+y-3z=5. x+3y-2z=5. 2x+y+4z=8

226. ## Geometry

a>p=a'(-3,-3) for the glide reflection where the translation is (x,y)>(x+5,y) and the line of reflection is y=1. What are the coordinates of a'?

227. ## Science

True/false does Venus spin counter clockwise? Answer:_______;)

228. ## jimma university facaliy of law

compare & contrast the three major legal system of the world the babylonyan,greek&roman legal system ?

229. ## Math

What is 2.35678/257382436*89.8-19836+1

20*34*60=. ?