# Questions Asked onMarch 30, 2015

1. ## Middle Math

My math calculator prompted me with this question 6E-7. My answer to this question is 0.00000007

2. ## English

Which of the following moments in "The Most dangerous Game" represents an example of foreshadowing? a-Whitney & Rainsford';s discussion about hunting b- Rainsford's observing the gate of the chateau c- Whitney's comment about the light of Rio?

3. ## Chemistry

heat of combustion of propane c3h8, 2220KJ/mol. the specific heat of copper is 0.385 J/g*C. How many grams of propane must be burned to raise the temperature of a 10.0kg block of copper from 25.0 C to 65.0 C,assuming none of the heat is lost to the

4. ## Chemistry

Given that Ka for HIO is 3.2 × 10-11 at 25 °C, what is the value of Kb for IO– at 25 °C? Then, Given that Kb for C6H5NH2 is 1.7 × 10-9 at 25 °C, what is the value of Ka for C6H5NH3 at 25 °C? I don't know where to start? Do I need an ICE table?

How did planetesmals form planets? A. They broke apart into smaller chunks. B. They collided and stuck together. C. They cooled and pulled ice together. D. They began to rotate. Is the answer B? Thank you so much in advance.

6. ## math 7

Describe an example of an event that has a probability of zero and an event that has a probability of 100

7. ## literature

what lines show alliterations in the poem "Fable for when there's no way out"

8. ## literature

why is the poem "Fable for when there's no way out" a good example of "seeing common things in an uncommon way?"

9. ## SOCIAL STDIES HELP!

5. Which of the following is true about the Atlanta Riot of 1906? (Choose all that apply.) (2 points) A mob attacked African Americans in downtown Atlanta.*** Blacks began the riot in white neighborhoods. It eventually led to improved race relations

10. ## probability

Let X be a random variable with PDF fX. Find the PDF of the random variable Y=eX for each of the following cases: For general fX, when y>0, fY(y)= - unanswered fX(eyy) fX(ln yy) fX(ln y)y none of the above When fX(x) = {1/3,0,if −2

11. ## Math

Determine the equation of a parabola with x-intercepts +- 4 and passing through (3,6)

12. ## science help

How many valence electrons does an atom of rubidium (Rb atomic number 37) have? A.One B.Five C.Six D.37 is it a pls help me ms sue or damon or anybody

13. ## French

I had to fill in the blanks of this phrase with the following words: Word Bank: radoucira, irons, fera, etre, doux, devraient, pleuvra Phrase: La semaine prochaine, il est certain qu’il ne ___(1)___ pas du tout. Il ___(2)___ certainement plus ___(3)___.

14. ## calculus

Find the point on the line 2x+4y+7=0 which is closest to the point (4,−3).

15. ## math

A string of decorative lights is 28 feet long. The first light on the string is 16 inches from the plug. If the lights on the string are spaced 4 inches apart, how many lights are there on the string?

17. ## Statistics

1 39 63 wind speed (km h ) –1 Measurements of wind speed on a certain island were taken over a period of one year. A box-andwhisker plot of the data obtained is displayed above, and the values of the quartiles are as shown. It is suggested that wind

18. ## Psychology

Help me create a mnemonic device to remember the Four Basic Units of Language: Phonemes, Morphemes, Syntax, and Semantics

19. ## physics

In 1993, Cuban athlete Javier Sotomayor set the world record for the high jump. the gravitational potential energy associated with Sotomayor's jump was 1970 J. Sotomayor's mass was 82.0 kg. How high did Sotomayor Jump?

20. ## chemistry

Propane fuel is used in BBQs. Use the following reaction to determine how many moles of oxygen gas are needed to react with 1.6 moles of propane gas. C3H8(g)+5O2(g) --------> 4H2O(g)+ 3CO2(g)

21. ## Calculus

A certain magical substance that is used to make solid magical spheres costs \$800 per cubic foot. The power of a magical sphere depends on its surface area, and a magical sphere can be sold for \$20 per square foot of surface area. If you are manufacturing

22. ## Calc

The demand for a commodity generally decreases as the price is raised. Suppose that the demand for oil (per capita per year) is D(p)=800/p barrels, where p is the price per barrel in dollars. Find the demand when p=55. Estimate the decrease in demand if p

23. ## math

PQRS IS A QUAD. IN WHICH DIAGONALS PR AND QS INTERSECT AT O.PROVE THAT PQ+QR+RS+SP>2(PR+QS).

The circumference of a circular trampoline is 44 feet. Estimate the radius of the trampoline

25. ## algebra

The angle of elevation from the tip of the shadow to the top of the tree is 36°. Find the distance from the top of the tree to the tip of the shadow. Round the answer to the nearest tenth.

26. ## math

For what values of k does the line y=x + k pass through the circle defined by x^2 + y^2 = 25 at: 2 points, 1 point, and 0 points i found the discriminant which is 100 - 4k^2 but im not sure how to find the values for each point

27. ## Calc.

The upper right-hand corner of a piece of paper, 12 in. by 8 in., as in the figure, is folded over to the bottom edge. How would you fold it so as to minimize the length of the fold? In other words, how would you choose x to minimize y?

28. ## math

Is a rectangle a square?

29. ## math help

how do solve for x 2.3^x=81-3^x

30. ## chemistry help

What mass of ammonium chloride must be added to a 0.500 L solution of 0.250 M ammonia to make a buffer with a pH of 9.26? Kb (NH3) = 1.8 × 10–5?

31. ## science help

Hydrogen gas(H2) and chlorine gas(CL2) react to form hydrochloric acid (HCI). What is the correct balanced chemical equation for this reaction? is it H2 + Cl2 = 2HCl

32. ## Chemistry

how many molecules of N2 could fit in a 2.00L soda bottle at 23C and 755mmHg

33. ## math

x: -2,-1, 0, 1, 2 ------------------- y: 9, 4,-1,-6,-11 find the function rule. please??

34. ## science help

Which process of the carbon cycle is responsible for the release of carbon at the power plant, as shown by the arrow? combustion. photosynthesis. digestion. decomposition. 941080532013105759am498923097.jpg copy and paste this and you will see the picture..

35. ## maths

Paul wrote five tests which were marked out of a total of 200 marks. Paul scored 40 out of 50 in a 6th test. What was his NEW average? HoW do I work out this type of sum.

36. ## IT

Build a PowerPoint ® presentation that will address each of the Project Management Areas of Knowledge, the process groups that use these areas of knowledge, and how the process groups interact with the knowledge area processes. Use table 3-1, Project

37. ## science help

How can you describe the location of hafnium (Hf, atomic number 72) on the periodic table? choose all that apply. -Transition metals -noble gases -group 6, period 4 -group 4, period 6 pls help me damon or ms sue

38. ## calc

Suppose the derivative of a function f is f '(x) = (x + 2)^4(x − 3)^7(x − 4)^6. On what interval is f increasing? (Enter your answer in interval notation.)

39. ## chemistry

What volume of oxygen(in Liters) at 25 degrees C and 1.05 atm is needed to completely combust 2.65L of methane, measured at STP

40. ## Calc

Suppose that the cost, in dollars, for a company to produce x pairs of a new line of jeans is C(x)=2200+4x+0.01x2+0.0002x3. (a) Find the marginal cost function. (b) Find the marginal cost at x=100. (c) Find the cost at x=100.

41. ## Calculus

A company decides to begin making and selling computers. The price function is given as follows: p=−70x+4000, where x is the number of computers that can be sold at a price of p dollars per unit. Additionally, the financial department has determined that

42. ## child day care

. In the childcare field, the main purpose of a Quality Rating and Improvement System (QRIS) is to A. improve and standardize the quality of care in all facilities in the state. B. lower the cost of childcare. C. make it easier for parents to find

43. ## ENGLISH

Which word is most similar to morose? sensitive silly unhappy stubborn no sure but i it might be sensitive

44. ## Spanish III Homework

Termina la oración: Cada año, cuando yo era joven, nosotros______. A. fuimos a los parques. B. íbamos a los parques C. vamos a los parques D. iremos a los parques Is it B? Thanks for your help!

45. ## calculus

A Norman window has the shape of a semicircle atop a rectangle so that the diameter of the semicircle is equal to the width of the rectangle. What is the area of the largest possible Norman window with a perimeter of 31 feet

46. ## 7th grade math (probability)

I'm not sure how to answer this: 3. THe 7th grade wants to have a back-up representative just in case the first teacher is absent. Based on the same scenario as #2, if a math teacher was chosen to be the 7th grade representative, what is the probablility

47. ## chemistry

n2+3I2>2NI3 if you have 28g of N2how many grams of NI3 will you be able to make?

48. ## chemistry

is trans-dibromoethene a proper way of labeling an alkene?

49. ## english

what are some examples of when upper class education is mentioned or used the the jane eyre book? thank you!

50. ## Programming

1.Do the planning and write an algorithm to solve the following problem. Prepare test data for the example to test all possibilities and draw a trace table. Sam works at a coffee company where all the employees receive a bonus of R700, except the employees

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52. ## Algebra HELP ASAP

CURRENTLY 6 LESSON DAYS BEHIND AND VERY DEPRESSED/STRESSED!! You are making a rectangular table. The area of the table should be 10 ft^2. You want the length of the table to be 1 ft shorter than twice its width. What should the dimensions of the table be?

53. ## Math

if one container of applesauce contains 3 3/4 ounces, how much applesauce is in a 6-pack of applesauce

54. ## Algebra 2

Can you please help me solve these problems? Thank You 1.x^2-y^2=25 x^2+y^2+7=0 2. x^2+y^2=8 5y^2=3x^2 3. 3x^2-2y^2=24 2y=-3x

55. ## Math

Richie says the least common multiple of a pair of prime numbers is the product of the 2 numbers. Is he right or wrong? Explain your reasoning.

56. ## Algebra

Use the properties of exponents to simplify (r^-3s^1/3)^6/(r^7s^3/2)

57. ## physics

a 60-kilogram astronaut floating in space outside the capsule throws his 0.50-kilogram hammer such that it moves with a speed of 10 m/s relative to the capsule. what happens to the astronaut?

mrs. watterson wants to fence in an area for her dog. she has 72 feet of fencing and wants to use all of it to enclose a space with the greatest possible area. which dimensions will give her a space with the greatest possible area? (1 point) 16 feet by 20

59. ## Calculus

A small resort is situated on an island that lies exactly 5 miles from P, the nearest point to the island along a perfectly straight shoreline. 10 miles down the shoreline from P is the closest source of fresh water. If it costs 1.5 times as much money to

60. ## Probabilit

Three marbles are drawn without replacement from an urn containing 4 red marbles, five what marbles, and two blue marbles. Determine the probability that None is red

61. ## Math

Find the surface area of the a square pyramid.The A = 3 m and H = 4.5 m?

62. ## English

1. Did anyone call for me while I was gone? 2. Did anyone call me while I was gone? ---------------- Which one is grammatical?

63. ## Math

Write an expression for the total of movie tickets and popcorn for a group of friends attending a movie. Movie tickets cost \$8.50 each and each friend will have a box of popcorn that cost \$2.25.

64. ## math

I am having problems with this problem.In the mythical kingdom of Permutatus, wizards have special 2-digit license plats, The first digit is greater than 6, and the second digit is odd. The two digits cannot be the same, How many different license plates

65. ## English

Posted by rfvv on Monday, March 30, 2015 at 2:29am. Posted by rfvv on Thursday, March 27, 2014 at 3:16am. 1. In the evening, Sonya's father cooks dinner. 2. In the evenings, Sonya's father cooks dinner. 3. Evenings, Sonya's father cooks dinner. 4. Every

Hi, Can someone tell me a good hook for a compare and contrast essay. Topic:- IPOD Vs. IPHONE, Thanks!!

67. ## broward

Calculate the molarity of 5.8 L of NaCl solution that contains 65 g of NaCl

68. ## Calculus study

A baseball team plays in a stadium that holds 52000 spectators. With the ticket price at \$9 the average attendance has been 21000. When the price dropped to \$6, the average attendance rose to 26000. a) Find the demand function p(x), where x is the number

69. ## physics

a window air conditioner is estimated to have a cost of operation of \$50 per 30 days. this is based on the assumption that the air conditioner will run half of the time and that electricity costs \$.090 per kWh. determine how much current the air

70. ## Math

there are 3 sizes of pizza, 4 types of crust, and 4 types of toppings. how many one topping pizzas can be made?

71. ## algebra

two poles of height 25 metre and 20 metre stand upright in a field. The distance between the poles is 12 metre. Find the distance between their tops

Letitia is making a pizza that needs to cover 36 square inches. give two possible sets of dimensions (length and width) that will give Letitia's pizza the desired area. also give the perimeter for each set.

73. ## English

1. I'm getting dressed to go to school. 2. I'm getting dressed for school. 3. I'm putting on clothes for school. 4. I'm wearing clothes for school. 5. I'm putting on clothes to go school. 6. I'm wearing clothes to go school. ================= Which ones

74. ## hsco 511

Corey et al. does an excellent job addressing the initial stages of a group. In the workbook, they challenge you to think about a group you want to lead and how what you viewed in the video might be modified for your group. Discuss how you can implement

75. ## English

1. Hurry up! You have only twenty minutes left. 2. Hurry up! Only twenty minutes are left. 3. Hurry up! You have only twenty minutes (which are) left. ================= Are #1 and #2 the same in meaning? Is 'which are' omitted in #2?

76. ## math

letitia is making a pizza that needs to cover 36 square inches. give two possible sets of dimensions (length and width) that will give letitia's pizza the desired area. also give the perimeter for each set.

77. ## Math

A retangular prism has a base that measures 9cm by 8cm and a height of 5cm. How many cubes will Joan use to fill the retangular prism?

78. ## History

so I decided to choose this prompt to write my history essay on: B. In your opinion, based on what you read in Foner and Hollitz and learned in HIST 202 during weeks 1-­‐6, what do you think were the most important impacts of increased U.S. involvement

79. ## math

A male African elephant weighs 7 tons. If a male African lion at the local zoo weighs 1/40 of the weight of the male African elephant, how many pounds does the lion weigh?

80. ## Social Studies

What was one of the main advantage of the South? A.) A small population of free men B.) The Strong support of its white population C.) Its belief in states' rights D.) Its industrial base I think its either C or D

81. ## Math

There is a test with 10 questions. Each question has a choice of three answers, but only one answer is correct. How many ways are there to fill out the test? By the way, we are learning combinations and permutations

82. ## Pre Algebra

My math question showed me a scientific notation on the calculator which represents (6E-7). My answer to this question is (-6,000,000) am I correct.

83. ## Math

3 animals need to be chosen. There are 3 tigers, 6 bears, and 4 dogs. Find the probability that: a) 1 tiger, 1 bear, and 1 dog are chosen b) 3 bears are chosen c) no tigers are chosen by the way, we are learning combinations and permutations. Thank you for

84. ## Math

In a deck of 52 cards, 3 cards are chosen. What is the probability that all three card are picture cards? (king, queen, jack) By the way, we are learning combinations and permutations. Help would be greatly appreciated!

85. ## World view

What is the prophecy in Genesis 3:15 known as and what does it mean?

86. ## physics

A merry-go-round rotates at the rate of 0.16 rad/s with a(n) 43.0 kg man standing at a point 2.4 m from the axis of rotation. What is the new angular speed when the man walks to a point 0.64 m from the center? Assume that the merry-go-round is a solid 5.99

87. ## Genetics

slight differences (mutations) in different individuals mean that some may survive while others perish. how did the Lederberg's demonstrate this. Briefly describe. If mutated DNA Sequence #1 occurred in a single cell, would it be a more serious problem in

88. ## math

An office supply company is shipping a case of wooden pencils to a store. there are 64 boxes of pencils in the case. If each of pencils weighs 2.5 ounces, what is the weight, in pounds, of the case of wooden pencils?

89. ## Physics

Determine the amount of energy required to raise the temperature of 250 grams of steel from a temperature of 15 oC to a temperature of 40 oC . The specific heat of steel is 0.11 cal/gram oC.

90. ## Algebra

(r^-3s^1/3)^6/r^7s^3/2

91. ## chemistry

A chunk of silver has a heat capacity of 42.8 j/°c and a mass of 181 g. Calculate the specific heat of silver

92. ## Calculus

how can you find the bounderies given by the curve x=4sqrt(y) and y=4sqrt(x)? show your solution please. thanks to anyone who will notice this!

93. ## English

Posted by rfvv on Thursday, March 27, 2014 at 3:16am. 1. In the evening, Sonya's father cooks dinner. 2. In the evenings, Sonya's father cooks dinner. 3. Evenings, Sonya's father cooks dinner. 4. Every evening, Sonya's father cooks dinner. (What is the

94. ## chemistry

I'm confused on number 6 on the take home test. in this problem are we going to use the heat capacity of calorimeter is 2.21kJ/c. I'm confused on how to set this problem up 1)I converted 1.000kg in to grams= 1000g 2) I used q=m*c* the change in T

95. ## English

For argumentative essay could a topic be collegea admissions process it has to current issue that being debated across the country and across the world.

96. ## physical chemistry

calculate late the Gibbs free energy, entropy and enthalpy of mixing when 500g of heptane is mixed with 500g oh hexane at 298K.

97. ## Algebra 1

Find the solution to the system y=x^2-2x-2 My answer is (-1,1)(7,33)

98. ## math

The ratio of Maya’s beads to Kayla’s beads was 12:7. After Maya bought another 28 beads and Kayla gave away 3/2 beads, 5/7 of Kayla’s beads were left. a) How many more beads did Maya have than Kayla in the beginning? b) Find the new ratio of Maya’s

99. ## algebra

The manager of the school cafeteria is planning a plate lunch. She can spend no more than \$2.00 per lunch and can choose servings from selections A and B. The table indicates the cost and the quantity of sugar and protein (in grams) per serving of each

100. ## math

Vanilla Box Company is going to make open-topped boxes out of 17 × 13-inch rectangles of cardboard by cutting squares out of the corners and folding up the sides. What is the largest volume box it can make this way? (Round your answer to one decimal

101. ## Science

How many chemical reactions are possible regarding the formation of carbonic acid and the dissolving of calcite? A. 3 B. 23 C. 2 D. 10 I think its A.??

102. ## math

square 0f (24)(72)

103. ## american government

3. Which of the following is true regarding senatorial courtesy? (Points : 1)

104. ## statistics

63% of men consider themselves baseball fans. You randomly select 10 and ask if he consider him self a baseball fan. Find the probability that the number who consider themselves baseball fans is (a) exactly 8, (b) at least (8) less than (8)

105. ## science

A student mixed two clear liquids together in a beaker and a solid precipitate formed. His data is shown in the table below. Liquid reactant A = 10 g Liquid reactant B = 17 g Beaker + solid product= 32 g What is the mass of the beaker? A. 5 g B. 10 g C. 15

106. ## phy 111

1 An ideal gas undergoes a cycle of processes as shown in the p-V diagram gases . Which statement correctly describes the situation? Click here to see exhibit The internal energy of the gas increases over one complete cycle Over the entire cycle, work is

107. ## science help

Sodium is a metal and chlorine is a poisonous gas. Neither is safe to eat. However, when sodium and chlorine combine, it produces edible table salt. What can be concluded? A. Table salt has similar physical properties of both reactants. B. Table salt is a

108. ## Math Help

Hi! I need help with this question. Thanks! Directions: To solve these problems, you need to find the inverses of these 2x2 matrices. a.) D= [-3 -6 6 12] b.) C= [2 1 7 3]

109. ## Chem

Calibration data for a bromide ion-selective electrode (ISE) was collected and recorded below. The potential of the ISE was measured against a saturated calomel electrode (SCE). All solutions were buffered at a pH of 7.56. A linear calibration curve can be

110. ## L.A

In which sentence is the meaning of the word inarticulate best expressed? A. he impressed the audience with his inarticulate expressions B. the young girl was exceptionally animated and inarticulate. C. she had many ideas to share, but she was an

111. ## science help

According to the law of conservation of mass, what should the product side of this single replacement reaction look like? Zn+2HCl--->? A. H2ZnCl2 B. H2+Zn+Cl2 C. H2+ZnCl2 D. ZnCl2 Is the answer D? pls help me

112. ## poetry

does anyone know the prose paraphrase for The Unknown Citizen

113. ## math help

can u solve x and y simalteneously for me thanks in advance x-3+2y=0 2y^2+3x^2+4xy=9

114. ## Chemistry

Table salt, NaCl(s), and sugar, C12H22O11(s), are accidentally mixed. A 4.00-g sample is burned, and 2.70 g of CO2(g) is produced. What was the mass percentage of the table salt in the mixture?

115. ## Chemistry

A jar contains 75mL of a .45M silver nitrate solution. Will 200g of solid copper be enough to bring all the silver out of solution as a solid?

116. ## Algebra

Two hot air ballons are in flight above a field. The first balloon is 30 meters above ground and rising 25 meters per minute. The second ballon is 300 meters above ground and descending 20 meters per minute. When will the two balloons be at the same

117. ## PHYSICS NEED HELP ASAP

A freshman smart alek lips off onces too often! The assistant principle loses her cool and grabs the 38.0kg punk by the hair- swinging him in a vertical circle of radius 1.20m! if the freshman is moving at 6.30m/s at the bottom of the swing, calculate: A)

118. ## physics

The principle of conservation of heat energy states that

119. ## math

Five friends shared 2 packs of paper equally. What fraction of a pack of paper did each friend get? I think 2/5

120. ## Geography

Impacts of oil sands development on: •Your lands (wildlife, water) •Culture and health (ie. cancer rates)

The grass in Jenna's lawn has not grown in too well. She plans to throw more seed onto her lawn. A 1-lb bag of seed costs \$22 and covers 60m square. A 5-lb bag of seed costs\$88 and covers 300m square. how much will jenna spend on grass seed for her lawn?

122. ## English

How can I make this sentence better? or is it ok? The group offers organizations and companies access to their network of volunteers, resources to create any community-focused promotional event, and cause marketing strategies.

123. ## math

square root of (24)(72)

124. ## English

my statement is people can be kind without laws or police.. I can't think of points supporting my statement. plz help

125. ## chemistry

What is the volume occupied by 20.9g of argon gas at a pressure of 1.09atm and a temperature of 411K ?

126. ## math

how can you use a right angle to decide how to name another fraction

127. ## physics

A freshman smart alek lips off onces too often! The assistant principle loses her cool and grabs the 38.0kg punk by the hair- swinging him in a vertical circle of radius 1.20m! if the freshman is moving at 6.30m/s at the bottom of the swing, calculate: A)

128. ## english

Cuba is one of the few remaining communist countries in the world. Since the collapse of the Soviet Bloc in 1990, however, the country has promoted capitalism in the form of tourism in order to stimulate the economy. is this right?

129. ## Chemistry

Calculate the solubility of silver chloride in a solution that is .170M in NH3

130. ## Physical Science

A man loads 1,000 sacks of flour into a truck in 30 minutes. each sack has a mass of 20 kg and the man must lift each sack 1.00 m from a cart up onto the truck bed. How much power did the man develop?

131. ## art

Patterns and colors on seventeenth to nineteenth century kimonos were used to identify the hometown of which type of Japanese citizen? A. Farmers B. Nobility C. Warriors*** D. Lawmakers I'm not sure can someone help?

132. ## physics

A 0.205 kg bird flying along at 7.8 m/s sees a 0.029 kg insect heading straight toward it with a speed of 15 m/s (as measured by an observer on the ground, not by the bird). The bird opens its mouth wide and enjoys a nice lunch. What is the bird's speed

133. ## Mathematics

Paul wrote five tests which were marked out of 200 marks. His average was 60%. Paul scored 40 out of 50 in a 6th test. What was his NEW average?

134. ## math help

pattern 1,5,11,19 1.how do i find the next two patterns 2.how do i calculate the n^th term of the pattern

135. ## math

three more pancakes than his brother ate

136. ## child day care

Before a day care facility can be accredited by the NAEYC, the facility must be in operation for at least A. six months. B. one year. C. two years. D. three months.

137. ## Art

Which task is typical for a fashion designer? A. designing a storyboard B. researching new trends*** C. organizing an exhibition D. creating an blueprint I think B but part of me wants to say C?

138. ## science help

a metal from group 1 and a nonmetal from group 17 are 1.) not likely to bond 2.) likely to form a covalent bond 3.) likely to form an ionic bond 4.) likely to form a metalloid is it 3 pls help me

139. ## Math

5/6 + 1/12 I want to make sure that i'm doing it correct.

140. ## social studies 8th

1. The “separate-but-equal” doctrine comes from which of the following? (1 point) Jim Crow laws the Plessy v. Ferguson decision*** the Cumming v. Richmond Board of Education decision anti-Semitism 2. John Hope became the first African American

141. ## History

how did the end of World war 1 affect farmers in south carolina? A.the price of crops fell,so farmers no longer enjoyed the prosperity they knew during the war B.most rural farmers gained electricity and running water. C.the boll weevil appeared in

142. ## Math

Tyler earns 7\$ an hour mowing lawns. Write and solve an inequality that he can use to find at least how many hours he has to work to earn 100\$

143. ## math

What is the simplest form of the expression below? (4a+2b) + (6a+5b) F. 6a+11b G. 10a+7 H. 10a + 7b J. 17ab i think the answer is either h or j

144. ## Calculus

The total cost (in dollars) of producing x golf clubs per day is given by the formula C(x)=500+100x−0.1x2. (A) Find the marginal cost at a production level of x golf clubs. C′(x) = (B) Find the marginal cost of producing 35 golf clubs. Marginal cost

145. ## Calculus

The price-demand and cost functions for the production of microwaves are given as p=235−x40 and C(x)=14000+70x, where x is the number of microwaves that can be sold at a price of p dollars per unit and C(x) is the total cost (in dollars) of producing x

146. ## In need of algebra help!

You are making a rectangular table. The area of the table should be 10 ft^2. You want the length of the table to be 1 ft shorter than twice its width. What should the dimensions of the table be? Okay, so, I'm not sure how to put this into an equation. The

147. ## child day care

Most licensing agencies offer an orientation meeting for applicants who want to obtain licensing for a child care facility or a family day care home. This meeting is designed to help the applicant to A. determine where to open his or her program. B. locate

148. ## calc

When production is 3000, marginal revenue is 7 dollars per unit and marginal cost is 5 dollars per unit. Do you expect maximum profit to occur at a production level above or below 3000? (Enter above or below.) If production is increased by 30 units, what

149. ## math help

thanks which term of the pattern is equal to 2549

150. ## itzel

how can simlpets in form 1/11+3/11

151. ## Marketing reserch

a marketing researcher analyzing the fast food industry noticed the following restaurant in Cali was 3.30 with a standard deviation of .40. yet in Georgia the average amount spent at a fast food restaurant was 3.25 with a standard deviation of .10. what do

152. ## LA help

who is Michelangelo help

153. ## Algebra

How much metal is need to build a trough 6 ft long and 2 feet wide?

154. ## Math

Use logarithmic differentiation to find the derivative of y: y=x^(e^x)

155. ## Math

Not sure on a reasonable estimate for the weight of a pencil. Out of the choices given I have it narrowed down to 1x10^-2 lbs or 1 x 10^-20 lbs. I know it is not the other 2 choices because they are positive exponents and would be too heavy. Thanks.

156. ## CHILD DEVELOPMENT PART 2

According to the Department of Health and Human Services Day Care Requirements (DHHSDCR), in a federally funded child care center, the maximum allowable group size for children between the ages of three years and six years (based on scheduled enrollment)

157. ## Check my answers SS

Which of the following were attempts to disfranchise African Americans? (Choose all that apply.) (2 points) implementing literacy tests in order to vote founding of the American Protective Agency adding the grandfather clause to Hardwick's bill A,B ?

158. ## Physics

So, "a uniform steel rod of length 1.20 meters and mass 6.40 kg has attached to each end a small ball of mass 1.06 kg. The rod is constrained to rotate in a horizontal plane about a vertical axis through its midpoint." There's more to the question, but the

159. ## phusics

a 2200kg car accelerates from 5m/s to 17m/s in 3 seconds. a) find the work done on the car in this time period. b)find the average power delivered by the engine in this time interval.

160. ## geometry

At a point on the ground 50 feet from the front of a tree, the angle of elevation to the top of the tree is 48 degrees. Find the height of the tree.

161. ## Maths

Show 1/4 of a set of 8 counters. How many counters is that?

162. ## english

I need someone's help on editing my paragraph.... OPC is a great place for an athlete because OPC offers many options for the athletes and don’t forget about their countless banners. OPC as school give the athlete’s the opportunity to choose from a

163. ## phusics

oil is pumped at 31000/liters/min into a tank 25m above the ground.(1lter of oilhas a mass of 0.68kg) a) what power, in kw, must be delivered by the pump? b)what is the increase in PE of ht eoil after 10 minutes? c)Find the increase in PE of the oil after

164. ## chemistry

how much NaNO3 must be added to saturate 100.0 grams of water at 20 degrees

165. ## Math

The demand for a commodity generally decreases as the price is raised. Suppose that the demand for oil (per capita per year) is D(p)=800/p barrels, where p is the price per barrel in dollars. Find the demand when p=55. Estimate the decrease in demand if p

166. ## physics

a 50g slug is shot from a rifle at 900m/s a) what is the KE of the slug? b) how much work is done on the slug if it starts from rest?

167. ## phusics

a 50g bullet is shot from a rifle at 900m/s a) what is the KE of the bullet? b) how much work is done on the bullet if it starts from rest?

168. ## Math

How do I work this out? Corporate bonds issued by Johnson Corporation currently yield 11%. Municipal bonds of equal risk currently yield 6.5%. At what tax rate would an investor be indifferent between these two bonds? My answer is: 6.5%/1-11%=7.3 (7.3)(1-

169. ## chemistry

Calculate the pH of the buffer system after the addition of 0.1 mol of gaseous HCl of the solution. Assume that the volume of the solution does not change when the HCl is added.

170. ## goegraphy,agriculture,life science and maths liter

Which career can I take with this subjects?

171. ## SOCIAL STDIES HELP!!!!!

1. What was the New South philosophy? (1 point) a philosophy that the southern economy should become more industrialized the idea that African Americans should own more businesses*** the notion that traditional farming techniques should be maintained a

Meg is making ribbons for the country fair. she needs to glue edging around the outside of the circular part of the ribbon shown. about how many centimeters of edging does she need? 5 cm 7 cm 9 cm 28 cm

173. ## Physics

A charged capacitor, C = 40 micro F, is connected to a resistor, 120 ohms. How much time will elapse until the voltage falls to 25% of its original (max) value? im not even sure what equation to use for this, so if someone could help me to figure that out