# Questions Asked onJanuary 21, 2012

1. ## Calculus 1

find an expression for a cubic function f if f(1)=6 and f(-1)=f(0)=f(2)=0

2. ## PHYSICS

An athlete swings a ball, connected to the end of a chain, in a horizontal circle. The athlete is able to rotate the ball at the rate of 7.80 rev/s when the length of the chain is 0.600 m. When he increases the length to 0.900 m, he is able to rotate the

3. ## Physics

An explorer is caught in a whiteout (in which the snowfall is so thick that the ground cannot be distinguished from the sky) while returning to base camp. He was supposed to travel due north for 5.7 km, but when the snow clears, he discovers that he

4. ## greek philosophy and history

Who thought that the governments should be headed by philosopher kings? Alexander the Great, Plato, Aristophanes, or Jason? Which was it?

5. ## geography

1. Is it farther to go from Venezuela to Bolivia or Venezuela to Cuba? Venezuela to Bolivia 2. What is the name of the salt lake located on the border between Israel and Jordan? The Dead Sea 3. Katmandu is the capital of which Asian nation? Nepal 4. What

6. ## Physics

Three point charges have equal magnitudes, two being positive and one negative. These charges are fixed to the corners of an equilateral triangle, as the drawing shows. The magnitude of each of the charges is 4.0 µC, and the lengths of the sides of the

7. ## physics

In the Daytona 500 auto race, a Ford Thunderbird and a Mercedes Benz are moving side by side down a straight-away at 66.5 m/s. The driver of the Thunderbird realizes that she must make a pit stop, and she smoothly slows to a stop over a distance of 250 m.

8. ## Physics

Three point charges have equal magnitudes, two being positive and one negative. These charges are fixed to the corners of an equilateral triangle, as the drawing shows. The magnitude of each of the charges is 4.0 µC, and the lengths of the sides of the

9. ## Geometry

The volume of a sphere is 2,098pi m3. What is the surface area of the sphere to the nearest tenth? 1,700 m2 146.2 m2 850 m2 26,364 m2

10. ## greek philosophy and history

They believed that the human mind could understand everything: a. Epicureans c. Stoics b. Sophists d. philosophers

11. ## greek philosophy and history

Aristotle taught his students to follow the a. Golden Rule c. golden mean b. Golden Fleece d. none of these

12. ## statistics

about 13% of the population is nervous around strangers. If 2 people are randomally seclected, what is the probability that both are nervous around strangers?

13. ## Chemistry

heptane and water do not mix, and heptane has a lower density (0.684g/mL) than water (1.00g/mL). A 100mL graduate cylinder with an inside diameter of 3.10 cm contains 39.90g of heptane and 34.00g of water. What is the combined height of the two liquid

14. ## maths

A storage tank is in the shape of a right circular cylinder that has a diameter of 20 inches and a height of 3yards. if oil costs \$2 per cubic foot, what does it cost to fill the storage tank oil?

15. ## Math

Hydra are small freshwater animals. They can double in number every two days in a laboratory tank. Suppose one tank has an initial population of 60 hydra. When will there be more than 5000 hydra? How can a table help you identify a pattern? What function

16. ## different one Financial Accounting

For each transaction, indicate whether the related account would be classified as an (a) asset (b) liability (c) stockholders' equity to be reported in the balance sheet (d) revenue (e) expense to be reported in the income statement (f) dividend to be

17. ## Sequence and series

If {gn} is a geometric sequenc with gn > 0 for all n is an element of natural number,then prove that {ln gn} is an arthnetic sequence

18. ## Mathematics

The 10th term of an arithmetic sequence 17 and the16th is 44,find the first three terms in the sequence

A duck has a mass of 2.8 kg. As the duck paddles, a force of 0.05 N acts on it in a direction due east. In addition, the current of the water exerts a force of 0.15 N in a direction of 60° south of east. When these forces begin to act, the velocity of the

20. ## GA perimeter

What is the specific heat of a metal if 7.74 x 103 J of energy is required to warm a 75.0 g sample of the metal from 10 °C to 125 °C?

21. ## Science

If the variation in g between one's head and feet is to be less then 1/100 g, then, compared to one's height ,what should be the minimum radius of the space habitat?

22. ## Trigonometry

The tires on a car have radius 14 inches. Find the angular speed of the car tire in revolutions per second when it is traveling 70 mph. Find the angular speed at 80 mph. The tires on a car are 15 inches. Find the linear speed of the car when the tires are

23. ## Geometry

Find the surface area of a conical grain storage tank that has a height of 42 meters and a diameter of 20 meters. Round the answer to the nearest square meter. 3,028m2 3,971m2 1,357m2 1,671ma

24. ## biology

A dominant gene A produces wire-haired texture in dogs. Its recessive aamllele a produced smooth hair. Cross the heterozygous wire-haired dog with homozygous smooth-haired dog. List the genotype and phenotype ratios of all the possible offspring.

Several outside groups regularly monitor the activities of Metro Chemical Corporation. These groups are interested in the firm's involvement and enforcement of their ethical and social responsibility policies. Who of the following is the least likely to be

26. ## Literacy

_______ is the study of how to increase resources and create conditions that will make better use of resources. A. Resource development C. Macroeconomics B. Economics D. Microeconomics my answer is A

27. ## chemistry

why is a lid used in a chromatography experiment, and why do the colours travel different distances up the paper?

28. ## Physics

Two forces, F1 and F2, act on the 5.00 kg block shown in the drawing. The magnitudes of the forces are F1 = 69.0 N and F2 = 24.5 N. What is the horizontal acceleration (magnitude and direction) of the block? F1 is pointing at the top left corner of the box

29. ## chemistry

One mole of H2O(g) at 1.00 atm and 100.°C occupies a volume of 30.6 L. When one mole of H2O(g) is condensed to one mole of H2O(l) at 1.00 atm and 100.°C, 40.66 kJ of heat is released. If the density of H2O(l) at this temperature and pressure is 0.996

30. ## Trig

Find the speed in both radians per second and degrees per second for the hour hand, the minute hand, and the second hand on a clock.

31. ## Literacy

Which Boolean operator limits your search so that each term input must be in the same document

Two forces, F1 and F2, act on the 5.00 kg block shown in the drawing. The magnitudes of the forces are F1 = 69.0 N and F2 = 24.5 N. What is the horizontal acceleration (magnitude and direction) of the block? F1 is pointing at the top left corner of the box

33. ## chemistry

An insulated beaker contains 250.0 grams of water at 25C. Exactly 41.6 g of a metal at 100.0C was dropped in the beaker. The final temperature of the water was 26.4C. Assuming that no heat is lost in any other way, calculate the specific heat of the metal.

34. ## Physics

A water hose 1.42 cm in diameter is used to ﬁll a 19.5 L bucket. If it takes 1.37 min to ﬁll the bucket, what is the speed at which the water leaves the hose? One liter is equal to 1000 cm3 .

Farmer John is building a pen to keep his pig in. John has 40m of fencing. He will only need to make 3 sides to the pen because the 4th side will be along a barn. If John wants the maximum area what should the side lengths of the pen be?

36. ## Economics

1. A firm in a perfectly competitive market invents a new method of production that lowers its marginal costs. What happens to its output? What happens to the price it charges? a. The firm has an employee who threatens to tell all other firms in the

37. ## greek philosophy and history

Who among the Greek philosophers would be the most influential until modern times? a. Socrates c. Herodotus b. Plato d. Aristotle

38. ## math limit

A girl enrolling in typing class type 60(x+1)/x+9 words per minute after x weeks of lesson. Determine the maximum possible number of words the girl can type as time passes

39. ## Psycology

Behavior is ________ while mental processes are ________.

40. ## accounting

issued 20,000 shares of common stock in exchange for land, buildings, and equipment with fair market prices of \$55,000, \$120,000 and \$45,000. how are these entries journalized

41. ## greek philosophy and history

This first historian was the author of the "History of the Peloponnesian War": a. Herodotus c. Thucydides b. Plato d. Socrates

42. ## Financial Accounting

I am trying to get this done asap because it is an online assignment and the web site is down for today. I will share my own answers if you all will provide feedback on them. Any guidance on these topics would be much appreciated: Indicate whether each

43. ## calculus

Given a right circular cone, you put an upside-down cone inside it so that its vertex is at the center of the base of the larger cone, and its base is parallel to the base of the larger cone. If you choose the upside-down cone to have the largest possible

44. ## physics simple harmonic motion

When tuning a piano, a musical play a note that should be at 110 Hz while at the same tapping 110 Hz tuning fork and holding it next to the string. He hears beats at 4 Hz. (A) state and explain what frequencies the piano could be producing (b) explain how

45. ## math sequence and series

In an arthmetic sequence, the fourth term is 84 and the tenth term is 60. Find the maximum possible partial sum.

46. ## Finance math

If \$100 is invested at 6% compunded A - annually B - quarterly C - monthly what is the amount after 4 years? How much interest is earned?

47. ## Geometry

Find the similarity ratio of a cube with a volume 512 m3 to a cube with volume 3,375 m3. 8 : 15 64 : 225 15 : 8 225 : 64

48. ## Geometry

Without using a calculator compare the values of tan60 and tan70. Explain your reasoning.

49. ## statistics

Can someone guide me on how to solve this problem: A sample of 52 night students ages is obtained in order to estimate the mean age of night school students. sample mean = 25.9 years. the population variance is 23. Give a point estimate for the mean. Find

50. ## english

what are some examples of ethos that Frederick Douglass usedd in his narrative book? thank you!

51. ## Straight Lines

From each corner of a parallelogram a perpendicular is drawn upon the diagonal which does not pass through that corner and these are produced to form another parallelogram, show that its diagonals are perpendicular to the sides of the first parallelogram

52. ## greek philosophy and history

How are Aristotle's teachings related to the scientific method used by scientists today?

asked by im_a_h8r_n_luvin_it(only hate certain people)
53. ## Trig

what quadrant is this in and please explain... sin theta < 0, cos theta > 0

54. ## Geometry

What is the equation of the circle with center (2, –5) that passes through the point (–2, 10)? (x – 2)2 + (y – (–5))2 = 25 (x – (–2))2 + (y – 10)2 = 241 (x – 2)2 + (y – (–5))2 = 241 (x – (–2))2 + (y – 10)2 = 25

55. ## chemistry

An insulated beaker contains 250.0 grams of water at 25oC. Exactly 41.6 g of a metal at 100.0oC was dropped in the beaker. The final temperature of the water was 26.4oC. Assuming that no heat is lost in any other way, calculate the specific heat of the

56. ## science

Is the scientific inquiry steps the same as the scienific method steps?

57. ## PHYSICS

If a cart is released from rest at a 10 meter incline and takes 28 seconds to travel down this incline. 1. Calculate the average speed of the cart? 2. calculate the instantaneous velocity of the cart at the end of the 10 meters(this value should be twice

58. ## chemistry

one edge of a cube is measured and found to be 2.162 cm. An atom of copper is 0.2560 nm in diameter. how many atoms of copper are contained in the cube.

59. ## math sequence

A ball is droped from a height of 16 m on each bounce, it rebounds 0.5 of the distance it fell how far has the ball traveled. When it hits the ground for the fifth term?

60. ## Math

The total sales of a company in 2008 were \$45,000. In 2011, it grew to \$84,000. Use  as the number of years since 2000 and  as the total sales, and answer the following: a. What is the rate of change (slope) in the total sales? b. Write an equation in

61. ## Straight Lines

The axes being inclined at an angle of 30°, find the equation to the straight line which passes through the point(-2,3) and is perpendicular to the straight line y + 3x = 6

62. ## criminal justice

The job profile of correctional officers includes security and inmate accountability. They are responsible for preventing disturbances, physical attacks, and escapes by the prisoners or inmates. The job profile of correctional officers can make them both

63. ## PHYSICS

If a cart is released from rest at a 10 meter incline and takes 28 seconds to travel down this incline. 1. Calculate the average speed of the cart? 2. calculate the instantaneous velocity of the cart at the end of the 10 meters(this value should be twice

64. ## chemisrty

Q6) A 10 L container contains a mixture of 0.8 g of He and 8 g of Ar at 0 oC. a) (1 pt) Calculate the total pressure of the gas mixture. b) (1 pt) Calculate the partial pressure of each gas in the gas mixture. c) (1 pt) If the initial total pressure of the

65. ## math

if we multiply a fraction by itself and divide the product by its reciprocal,the fraction thus obtained is 512/27.the original fraction is?

66. ## math question

solve using additin and multiplication principle 6+8x

67. ## MATH PROBLEM

COULD I GET HELP SOLVING THIS PROBLEM USING THE DISTRIBUTIVE PROPERTY 5(W-5)= 10 W =

68. ## Business And Finance Mathematics

Total current assests(CA)\$20,000 Accounts receivable(AR) \$10,000 Current Liabilities(CL) \$11,000 Inventory(INV) \$4,000 Net sales \$30,000 Total assests \$25,000 Net income \$5,000 1. Calculate current ratio. A. 1.82 B. 1.80 C. 1.28 D .182 2.Calculate acid

69. ## Physics

At an air show, a jet plane has velocity components vx = 695 km/h and vy = 440 km/h at time 4.85s and vx= 933km/h and vy = 465 km/h at time 7.12 s. For this time interval, find (a) the x and y components of the plane’s average acceleration and (b) the

70. ## Algebra 2

What is the sum of a geometric series with first term a1= 2, a common ratio r of 2 and the number of terms, n, equal to 4.

71. ## Math

There's a rectangular prism. the length is 7.4 the width is 3.7 the height is 2 What's the volume? I got 54.76

How much must be deposited now, at 6% interest compounded semiannually, to yield an annuity payment of \$4000 at the end of each six month period, for a total of five years?

73. ## Grammar

1. An argument between her boyfriend and her / she resulted in the latest injury. 2.Mrs. Smith is a patient who / whom I have not seen for 3 years. 3.One of the injection sites on the upper arm seem / seems inflamed. 4.He did not know who / whom / whomever

74. ## criminal justice

The study of why certain people are victims of crime is known as victimology. It also includes the study of how lifestyle makes certain people more susceptible to be victims. Author Susan Sontag wrote the following quotation on victims: “Victims suggest

75. ## Algebra 1

1. What is the domain of the function {(18,34),(22,64),(94,36),(11,18),(91,45)}? 8.what is the equation of the line that includes the point (4,-3) and has a slope of -2? 12.what is the solution to the following system of equations? Y=2x-4 y=x 15.which

76. ## chemistry

Calculate the number of moles in 35.7 grams of Na3PO3

77. ## Pmath sequence

How mamy geometric means are needed bdtween 2 and 1458 so that the sum of the resulting sepuence be 2186?

78. ## 7th science

Does a force act on a if moves at a constant speed while turning? Is the answer kinetic. if so please explain how it relates to Newton,s

79. ## physics

If instead, the swimmer makes 30.5 laps in the same pool in 3 h, determine the total distance the swimmer traveled, the swimmer's total displacement, the swimmer's average velocity, and the swimmer's average speed. -answer in km

80. ## Straight Lines

Find the equation to and the length of the perpendicular drawn from the point(1,1) upon the straight line 3x + 4y + 5 = 0. The angle between the axis being 120°.

81. ## Straight Lines

From a given point (h,k) perpendiculars are drawn to the axis whose inclination is w and their feet are joined.Prove that the length of the perpendicular drawn from(h,k) upon this line is hksin²w/√(h² + k² + 2khcosw) and that its equation is hx - ky =

82. ## Straight Lines

If y = xtan(11π/24) and y = xtan(19π/24) represents two straight lines at right angles, prove that the angle between the axis is π/4.

83. ## Chemistry

Please help me with question #2: How do you determine if there is a linear relationship between NaCO3 used and CO2 produced?Discuss your results in terms of moles. Thank you!! Question #1 : 1. Record the amount of CO2 produced versus the amount of Na2CO3

84. ## geography

1. The mouth of the Parana River is located in Argentina. In what country can its source be found? Brazil 2. In what ocean do 20 degrees S latitude and 80 degrees E longitude intersect? The Indian Ocean 3. Land formed by soil deposited at the mouth of a

85. ## Chemistry

1) Consider the formation of sulfur trioxide according to the reaction: 2 SO2(g) + O2(g) -> 2 SO3(g) delta H = -198 How much heat is evolved in the formation of 750 grams of SO3? So I did 193 X (750/2*80.0642) = 904. The answer choices given are 10.6, 928,

86. ## english

How would you write this in your own words , "An articulated philosophy that addresses the needs of children, families, educators and the community" ?

87. ## Math

An aqaurium is 80cm long, 40cm wide, and 40cm high. What is its volume? I got 128,000cm3 One cubic centimeter (cm3) holds 1 milliliter of water. 1,000 cm3 hold 1 liter. How many mL will the tank in problem 6 hold? How many liters?

88. ## Algebra 1

23.what is the slope of a line parallel to a line represented by the equation x=2y-3? 19.what is the solution to the following system of equation? Y=4x-8 Y=2x 16.which graph below shows the function f(x)=-3x-1? 12.what is the solution to the following

89. ## Science

An experiment always starts with: data collection or theory or group selection or randomization. I have you ask a question then do background research....so does that mean the answer to the question would be data collection? Sorry

90. ## math

Sara bought a tomato plant for her garden. initially it is 5 centimetres tall, and it grows at a rate of 3 centimetres per week Write an equation

91. ## arithmetic

The first three terms in an arithmetic are given by x,4x+5 and 10x-5.find the value of x.

92. ## math

Hydra are small freshwater animals. They can double in number every two days in a laboratory tank. Suppose one tank has an initial population of 60 hydra. When will there be more than 5000 hydra? How can a table help you identify a pattern? What function

93. ## Statistics

Data collected on volcanic eruptions give a mean time between eruptions of 29 months. Assume these eruptions occur as a Poisson process in time, find the: (a) Expected number of eruptions during the five-year period beginning from the time you have read

94. ## greek philosophy and history

Why did Socrates disagree with the Sophists?

95. ## Physics

When a parachute opens, the air exerts a large drag force on it.This upward force is initially greater than the weight of the skydiver and, thus, slows him down. Suppose the weight of the skydiver is 956 N and the dragforce has a magnitude of 1005 N. The

96. ## computer programming

: Create a program like KBC game show where program ask user 3 different question one after another and the user should answer them. If the answer are correct then pop up the message as “you got the right answer” and must ask user does he/she wants to

97. ## math sequence and series

Find the sum of all 3 digit whole numbers that are divisible by 13.

98. ## Social Studies

The Panama Canal connects what 2 bodies of water? Different answers are showing up on Google.

99. ## social studies 9

Are all First nations people the same? i don't no but i don't think tey were

100. ## physics

What is anionic bond?what type of substance.form ionic bond?

101. ## Math

6.An aqaurium is 80cm long, 40cm wide, and 40cm high. What is its volume? I got 128,000cm3 One cubic centimeter (cm3) holds 1 milliliter of water. 1,000 cm3 hold 1 liter. How many mL will the tank in problem 6 hold? How many liters? How do I find out how

102. ## Civics

Which is NOT a responsibility of the Department of Agriculture? 1. The opening of foreign markets to U.S. agricultural products 2. To oversee federal anti-hunger programs =3. The designation of lands for private and public use 4. Support for farmers with

103. ## math

f (x)= {\$50 if 0< x 60} What is the cost if the repair man works for 45 minutes? What is the cost if the repair man works for 105 minutes? What is the computer repair man’s rate policy? Explain in real terms             

104. ## Physics

A stone is launched straight up by a slingshot. Its initial speed is 18.8 m/s and the stone is 1.30 m above the ground when launched. How much time elapses before the stone hits the ground

105. ## Research paper(economics)

How do you find how Ebay is doing economically, like an economic overview.

Adam has a hockey rink in his backyard. The current dimensions are 10m by 20m. Adam wants to have a hockey tournament and needs to double the area of his hockey rink. How much must Adam increase each dimension if he wants to increase them the same amount?

107. ## chemistry

I got C_4 H_3 O_8 for this question but I'd like someone to check my answer, please. A 1.012 g sample of a compound containing C, H, and O was burned to produce 2.145 g CO2 and 0.3293 g H2O. Calculate the empirical formula of the compound

108. ## Chemistry

How do you calculate stoichiometric equivalence using moles of Na2CO2 used vs. moles of CO2 produced, as plotted on a chart?

109. ## Research paper(economics)

how many Parks and Resorts does Disney have? It's for an economic projects. thank you

110. ## Chemistry

A cup of teat containing 400g of liquid at 20 degrees celsius was heated. If 58.5 kj of heat was absorbed by the tea, what would the final temperature be? Assume that the specific heat of the tea is the same as that of water (4.18). I am not sure how to

111. ## social studies 9

Why do aboriginal people believe they are native to Canada? plezzzz help me i don't no what the answer is

112. ## trig

Please explain to me how to get this -- what quadrant tan theta < 0, sin theta < 0 is in.

113. ## Literature & Writing

In Bless Me, Ultima I have some questions about the scenes where Antonio talk with Florence about sin and God in chapter 17. The page numbers are in the 190s in the small book or early 200s in the bigger book. I lots of ideas, but it's nice to have

114. ## Chemistry

2)Which of the following equations represents a reaction for which the delta H can be called a standard enthalpy of formation, delta Hf? a) FeO(s) + CO2(g) -> FeCO3(s) b) 1/2 N2(g) + 2 O(g) -> NO2(g) c) 2 Na(s) + Cl2(g) -> 2 NaCl(s) d) Ba(s) + N2(g) + 3

115. ## Psychology

A distribution has a standard deviation of _ _ 12. Find the z-score for each of the following locations in the distribution. a. Above the mean by 3 points. b. Above the mean by 12 points. c. Below the mean by 24 points. d. Below the mean by 18 points.

116. ## physics

A ball mass 500g rolls at a velocity of 2m/s and hits another ball of mass 250g 1.What is the velocity of a small ball if the bigger ball immediately stops after collision? 2.What is the velocity of the bigger ball if it rolls in the same direction with

117. ## ENG102

What in the world happened to my question?

118. ## Literacy

The trend toward two-family income has led to A. policies allowing only one family member to work for a company. B. flexible work schedules, pregnancy benefits, and elder-care programs. C. businesses paying lower wages and hiring fewer workers. D. fewer

119. ## accounting

The Seattle Company allocates overhead based on a predetermined overhead rate of \$8.00 per direct labor hour. Job b 689 required 6 tons of direct material at a cost of \$900.00 per ton and took employees who earn \$15.00 per hour a total of 90 hours to

120. ## greek philosophy and history

3 Questions 1) Will you explain dome of Anaxagoras teachings and theories on science? 2) Why was Plato dissatisfied and what caused him to leave Athens? 3) What made Thucydides’ writing different from others, specifically concerning the Peloponnesian

asked by im_a_h8r_n_luvin_it(only hate certain people)
121. ## Straight Lines

Find the equation to the sides and diagonals of a regular hexagon, two of its sides, which meet in a corner, being the axis of coordinates.

122. ## literature

What does chemise mean? In my book it says: "He pulled up her chemise, kissing her every place that was uncovered." what does chemise mean?

123. ## math problem

haveing problem solving 8x -(6x+7)= -3 The solution is x =

124. ## ENG102

So, I went in and change the sentence is this better? Thesis Statement: Computers and cell phones have made cyber-bullying easy to hurt others and the effects it has not only on students, but also with teachers, parents and caregivers.

125. ## physics

What are the 3 primary subatomic particular? What is the charge on each? where in the atom is each particle located?

126. ## math sequence

For any pair of non negative integers a and b, show that the arthmetic mean between a and b is greater than or equal to the geometric mean bdtween them.

2x-3y=-2 -2y+3x=12 ~Explanation too, please! I really need help! Please and thanks!

128. ## physics

What is the difference between a molecule & a compound

129. ## arithmetic

The nth term of the sequence 4,11,18,...is167 find n

130. ## History

Aside From Improving Trade With The Far East , Why Is Making Hawaiia A U.S Territory Important ?

131. ## civics

Which is NOT a responsibility of the Department of Agriculture? 1. The opening of foreign markets to U.S. agricultural products 2. To oversee federal anti-hunger programs 3. The designation of lands for private and public use =4. Support for farmers with

132. ## physics

Who developed modern periodic table? Descibe particle arrangements & movement for each phase of matter. (Thank you for helping me)

133. ## Physics

Can a hydrogen bond affect a molecule's shape?

134. ## Literacy

Efficiency can best be defined as A. the amount of output generated in a given amount of time. B. producing items using the least amount of resources. C. using high-tech equipment on a job. D. producing as much as you can as fast as you can, regardless of

135. ## Straight Lines

The coordinates of a point P referred to axis meeting at an angle w are (h,k). Prove that the length of the straight line joining the feet of the perpendiculars from P upon the axes is sinw√(h² + k² 2khcosw)

136. ## physics

What is a covalent bond?what type of substance form covalent bonds?

137. ## Straight Lines

With oblique coordinates find the tangent of the angle between the straight lines y = mx + c my + x = d

138. ## algebra

Machine A produces nails at a uniform rate of 60 every 20 seconds and machine B produces them at 50 every 10 seconds. If the two machines run simultaneously, how many seconds would it take to produce a total of 400 nails?

139. ## ENG102

Hello, I am doing a Sentence outline for Engish102 and I just need to know if I am on the right track with this, it is a little confusing for me, so any feedback would be great. Thesis Statement: The research and effects that links cyber bullying with

140. ## English

I urgently need to know where I can get a sort of dictionary of terms on microbiology. 1) I need to translate technical terms from Italian into English used to describe the results of a microbiological analysis conducted on water. 2) In addition, I need to

141. ## ALG 2

Write (x+ y) ^4 in expanded form.

142. ## College Chemistry

What is the molecular shape of ethylene (C2H4)? And what is the number of electrons that the carbons share between them?

143. ## Arithmetic

Given the sequence Tq=-7+3(q+4) find T4,and x if Tx=50.

144. ## History

How Has Roosevelt Idea's Affected The Future Of America ?

145. ## physics

Two fighter jets are flying towards each other. Jet A, with a mass of 15000 Kg, is traveling to the right with a speed of 255 m/s, whereas Jet B, with a mass of 34000 kg, is traveling to the left at 145 m/s. If the collision is perfectly inelastic,

146. ## SCIENCE

Scientists performed an experiment to determine whether there is a connection between learning ability and food. They took two groups of 20 mice each, all from the same purebred strain. The mice were deprived of food for 3 days and then given a standard

147. ## greek philosophy and history

Who was the father of h istory?

148. ## Help with math

-4x > 1/11 Solve using multiplication principle

149. ## literature

To write a biography about somebody do you have to have their permission?

150. ## Calculus 12

Simple query. plz tell me in brief. How will u slove this -3 log 3 + log 2 + 2 log 4 Plz explain

151. ## Math

There are 10 sailboats in the harbor. Some of the boats have 2 sail & some of boats have 3 sails. If there are 24 sails visible on all of the boats, how many boats have 3 sails & how many boats have 2 sails?

does anyone know any other homework help sites??? i need to change to a different site and don't know any others. my mom said ask on here

153. ## chemistry

If 50.0 g of Ba(CN)2 reacts to produce 12.9 g of HCN, what is the percent yield?

154. ## Math

Hi i need help for calcul: ( 1/2 ( -1 + i√3 )) ^3 and ( 1/2 ( -1 - i√3 )) ^3 thanks for your help

155. ## english

whats wrong in this sentence. "Ali said that he had worked hard all day, that he was tired and that he will go to bed early."

156. ## chemistry

What are the easiest ways to visualize the shape of molecules with ionic bonds?

157. ## algebra

i posted a question. Where do I find the answer?

158. ## strayer

A rock concert, 5.17 10-6 watts/cm2 D = dB

159. ## Chemistry

A solution that contains 2.047 x 10^-1 M of acid, HA, and 1.808 x 10^-1 M of its conjugate base, A-, has a pH of 4.196. What is the pH after 1.629 x 10^-3 mol NaOH is added to 5.961 x 10^-1 L of this solution?

160. ## algebra

I need to find the set solution to 5(s+2)^-44(s+2)=9

161. ## physics

How do you measure the volume of? A) A liquid? B) A regular shaped Solid ? C) An irregular shaped solid? State where each of the following is a chemical or physical change. A) A match burned. B) Ice cream melts. C) Acid dissolves metal producing H2. D)

162. ## Literacy

In a _______, consumers ultimately decide what should be produced. A. macroeconomic system C. free market system B. socialist economy D. command economy my answer is B

163. ## science

first word in an organisms name: bacteria, classification, domain, genus, protists, or species? which would you say?

asked by im_a_h8r_n_luvin_it(only hate certain people)
164. ## literature

What is the study of anthropology?

165. ## mathematics

Timothy had a total of 238 blue and red marbles. He gave 3/7 of the blue marbles and 5/8 of the red marbles away. Altogether, Timothy gave away 124 marbles.How many red marbles did Timothy give away? (Skill: Equations)

166. ## Physics

Two iron spheres each have a volume of 10 cm^3 and a mass of 78g. How many electrons must be placed on each sphere so that the electrostatic force of repulsion between them just balances the force of gravitational attraction? Assume the distance between

167. ## math

Does anybody understans this? You have been assigned a task of estimating the cost of a tree removal. The cost is \$25 per foot, up to 50 feet; above that, the cost increases to \$50 per foot. You drop the kids off at the swimming pool and see some of your

168. ## math

1)Which values of x are in the solution set y=3x-1 y=x^2-5x+6 2)6ab (radical8b)-3a radical(32b^3)+9ab (radical5b) 3) write in simplest form (2/x+4/y)/(4x/y-y/x) 4)solve for all values of x 8x^3+4x^2-18x-9 5)abs(4x+6)-4x=-10 6) simplify 4x^-5y7

169. ## copm 170 english grammar

an instructional guide on the writing process for the future choose an effectiv formar for your job aid

170. ## 7th science

acceleration=force divide by mass . How do you solve 20m/s2 =unknown divide by 0.15kg

171. ## information literacy

Identify the publisher and the number of pages for Ellison's 2002 edition of Invisible Man. A. Vintage International, 581 pp B. Gollancz, 439 pp C. Random House, Inc., 439 pp D. Modern Library, 290 pp Answer C

172. ## Algebra

What are two points for the solution 12x+14y=70 ?

173. ## information literacy

Use one of the sources available in the Almanacs and Yearbooks section to identify the approximate time of sunrise in Anchorage, Alaska, on December 25, 2015. (Hint: Check the source's Astronomy section.) A. 8:10 A.M. B. 9:45 A.M. C. 11:30 A.M. D. 10:15

174. ## English

I am doing a university application form where I am asked questions it asks: *Why are you interested in this program? (100 words or less) I applied for Biological Sciences-Major Human Biology. My question is, would it be ok if I talked about the major

175. ## Math

How do I Write the equation to find the slope of a line? Write the point-slope form of the equation of a line? Write the slope-intercept form of the equation of a line?

176. ## Straight Lines

Find the length of the perpendicular drawn from the point(4,-3) upon the straight line 6x + 3y - 10 = 0. The angle between the axes being 60°.

177. ## Literacy

To help employees become more effectively productive, companies may form cross- _______ teams that draw on people from different departments to work on a special project. A. gender C. managerial B. trained D. functional my answer is B

My, My, My My, My, My The World running by Way too fast fo your eye Could we slow it down Just to say goodbye Or am I even justified because of all the lies Could we slow it down Or will we just die My, My, My I will miss my life as the days go by And yet,

179. ## literature:opinion

Do you agree with this statement by Jonas Salk, known for the polio vaccination. He believe risks always pay off. What about you? Do you agree?

180. ## Straight Lines

Prove that the equation to a straight line which passes through the point (h,k) and is perpendicular to the axis of x is x + ycosΘ = h + kcosΘ

181. ## math

a(x)= x(cubed)-5x(squared) + 7x + 3 is divided by b(x) = x - 2

182. ## Math Problem

how is it to solve for the indicated leter L = 7F, FOR f

183. ## ALG 2

FInd the 5th term of (x2y)^10

184. ## science fair

Does multitasking help a person or mess up all tasks?(referring to human reaction) is there any way to make this topic more complex and difficult?

185. ## calculus (limits)

Use limits to explain why f(x)= (7-3X)/(X+9) has a vertical asymptote.

186. ## information literacy

Which of the following sets of Library of Congress call numbers is in the correct order? A. P201 .A251 1977, PA 203 .B252 1971, PE205 .C253 1954, PH202 .H255 1965 B. PA 203 .B252 1971, P201 .A251 1977, PE205 .C253 1954, PH202 .H255 1965 C. PE205 .C253

187. ## Math Question

could some help me with this problem Solve and steps -0.5x < -15

188. ## english

What is the one thing Countee Cullens finds to be God’s strangest “mistake”? a.)creating a black poet b.)making moles blind c.)that people must all die d.)that the Greek king Tantalus must be punished for all eternity

189. ## Math

How can one solve this equation for t with decimals? Y = 1.3 + 18.8 t - (g/2) t^2 = 0 (Assume g = 9.8 m/s^2, the value on Earth)

190. ## trig

5pi/7 what quadrant is it in???

191. ## Math

What is the preimeter of a 54 foot pizza?

192. ## math

A customer uses a \$20 bill at a self check-out register to pay for products totaling \$14.50. The customer is concerned they did not receive the proper change. How much money should they have received back from the automated register?

193. ## Chemistry

A 0.7381 g sample of a compound containing C, H, and F was burned to produce 0.6368 g CO2 and 0.1303 g H2O. Calculate the empirical formula of the compound. Do I have to take in account the O atoms?

194. ## Physics

How can one solve this equation for t? Y = 1.3 + 18.8 t - (g/2) t^2 = 0 (Assume g = 9.8 m/s^2, the value on Earth)

195. ## algebra 2 trig

express the product of (2/3x^2-1/2x) and (12x+4/5) as a trinomial

196. ## College Chemistry

Do odd electrons make a weak or strong repulsion axis?

197. ## literature

What does negroism mean?

198. ## chemistry

Is this correct? A 0.1471 g sample of a compound containing C, H, and F was burned to produce 0.1960 g CO2 and 0.08024 g H2O. If the molar mass of the compound was determined to be approximately 66.05 g/mol, what is its molecular formula? My answer is:

log162

200. ## info literacy

what is the publisher and the number of pages for Ellison's 2002 edition of Invisible Man.

201. ## math

solve y=3sin(4pi2+pi/2)+7

202. ## math problem

very confused could someone help me with this using the elimination method 5r-3s=16 3r+5s=30

203. ## Alchemy

Do odd electrons make a weak or strong repulsion axis?