Questions Asked onDecember 5, 2016

1. Math 8th Grade

1. which equation is equivalent to y - 6 = -12(x+4)? 2. which point is located on the line represented by the equation y + 4 = -5(x - 3)? 3. which equation represents the line that passes through the points (6 -3) and (-4 -9)? 4.The population of a city

2. Language Arts

1. Choose the word that defines the word in bold. “Kugler, Ferdinand was a thief before his tenth year and an INVETERATE liar.” A. Habitual.*** B. Believable. C. Undetectable. D. Entertaining. 2. Choose the word that defines the word in bold. “But

3. history

10.  What is the connection among sectionalism, slavery, and states’ rights as causes of the Civil War? How did the Southern response to the 1860 election results demonstrate this connection?

4. Algebra

david makes and sells chairs. The function p(x)=-10x^2+100x-210, graphed below, indicated how much profit he makes in a month if he sells the chairs for 10-x dollars each. what should david charge per chair to make the maximum profit, and what is the

5. LA 3

Which of the following sentences contains a coordinating conjunction? (1 point) These days, Keegan is either crabby or melancholy.*** I was late for school because I ignored the alarm. Pack your lunch and put on your jacket. Harvey would be a great cat if

6. MATH

GIVEN:HZ=4a-5 RZ=3a=5 FIND:HZ

7. language arts

The seven wonders of the world is mostly about which of the following. A.The pyramids of Egypt. B.Architecture around the world. C.Incredible ancient structures. D.Respected building techniques. I think its's B or C.

8. ELA surprisingly... HELP!!!!!!!!!!!!!!!!!!!!!!!!!!

Which sentence contains an opinion? A.)Thomas Jefferson supported American independence from Great Britain. B.) He was a lawyer in his home state of Virginia C.)Jefferson authored the Declaration D.) He became the third president of the U.S.A. and served

9. chemistry

What is the seperation energy ineV for Be3+ in the first excited state in eV?

10. Language Arts

Read the following passage. Then answer the questions that follow. THE OLYMPIC SWIMMER Who will be the winner bold? Athletes from both far and near Train and Strain to be the best. But who will win the medal gold? Swimmers swivel, splash, and kick Back and

11. Language Arts

(Use the passage to answer the question.) 8. Read lines 5 – 9 from “The Olympic Swimmer.” Swimmers swivel, splash, and kick Back and forth in a clear, blue pool; Like fish at play in Neptune’s sea. Swimming relaxed, and calm, and free. These stars,

12. Chemistry

Calcium carbonate reacts with HCl according to the following equation: 2HCl(aq)+CaCO3(s)→CaCl2(aq)+H2O(l)+CO2(g) How many moles of HCl are in 58 mL of 0.13 M HCl? What mass of calcium carbonate is needed for complete reaction with the HCl in (a)?

13. LA HELP! 2

Passage: from “Life Without Gravity” by Robert Zimmerman Worse, weightlessness can sometimes be downright unpleasant. Your body gets upset and confused. Your face puffs up, your nose gets stuffy, your back hurts, your stomach gets upset, and you throw

14. LA HELP!!!!!!!!

Walking for Fitness and Fun Walking Is for Everyone Walking is a popular form of exercise, and it is growing more popular each year. Walking is good for every age group: The rate of participation does not decline in the middle and later years. In a

15. history

3.  In what way did Uncle Tom’s Cabin change the attitude of Northerners about slavery? (1 point) They began to view it as a political problem. They began to view it as an economic problem.

16. U.s History

1.Which statement best describes an effect of William Penn's actions on colonial America? A)Cash-crop agriculture became more profitable in the Southern colonies. B)Many immigrants came to the Middle colonies seeking religious freedom.*** C)Several

17. Algebra

The reflecting dish of a parabolic microphone has a cross-section in the shape of a parabola. The microphone itself is placed on the focus of the parabola. If the parabola is 60 inches wide and 30 inches deep, how far from the vertex should the microphone

18. history

What did Zen Buddhism contribute to Japanese culture? the answer choices are A. a focus on self-reliance, meditation, and devotion to duty B. a focus on increasing military power C. a decrease in the development of art and drama D. dependence of customs

19. history

What feature of Japans geography allowed it to develop its own distinct culture? a.) the high mountains that dominate central japan b.)its distance from the mainland of Korea and China C.)the many volcanos that surrounded the islands d.)the fact that Japan

20. U.S History

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

21. english

Which of the following sentences contain a linking verb? Sammy made lunch for us yesterday. +++ Would this be correct?

22. L.A

How does Miss Ferenczi explain her claim that, at times, 6 times 11 can be 68? a.She says rules for adults change more easily than rules for children b. she says she is demonstrating what an incorrect answer sounds like c.she says that in higher

23. L.A H 2

Which of the following sentences contains a linking verb? (1 point) Mateo became upset with me today. I took his last cupcake without permission. He wanted to eat it this afternoon. I bought him a new one as a surprise.

24. Math

A player has 37 hits in 192 times at bat. Write the player's batting average as a decimal. Round to the nearest thousandth. A. 0.192 B. 0.193 C. 0.197**** My answer D. 0.293 Is it correct

25. Math

Can someone explain to me in there own words How is using a conversion factor different than using proportions to convert measurement units and which one is easy because i don't understand

26. Science Physics

I don't understand how I would know what would happen if it collided or bounced, etc. How do I solve a question like this? Suppose the total momentum of two masses before collision is 100kg m/s. What is the total momentum of the two masses after they

27. L.A H

Which of the following sentences contains an action verb? (1 point) This apple tastes funny. It seemed OK at first. I spit it out in the trash.**** It might be rotten.

28. Calculus

A rectangular tank with a square​ base, an open​ top, and a volume of 4,000 ft cubed is to be constructed of sheet steel. Find the dimensions of the tank that has the minimum surface area. I'm not understanding how to get started and find the

29. physics

A hiker determines the length of a lake by listening for the echo of her shout reflected by a cliff at the far end of the lake. She hears the echo 2.20 s after shouting. How long (in meters) is the lake?

30. Math

The ratio of the number of goats in farm x to the number of goats in farm y was 9:4. After 35 goats were transferred from farm x to farm y,there was an equal number of goats in each farm. how many goats were there in each farm at first?

31. Algebra 2

Write an equation for the translation of x 2 + y 2 = 16 by 8 units left and 3 units down.

32. physics

A tuning fork is set into vibration above a vertical open tube filled with water. The water level is allowed to drop slowly. As it does so, the air in the tube above the water level is heard to resonate with the tuning fork when the distance from the tube

33. history

Which of the following best explains why trade among the colonies flourished? A)The different regions specialized in different crops. B)The colonies had developed large fleets of trading ships.** C)Existing trade routes were well-maintained by Native

34. Math

A support wire to the top of a newly planted tree is 15 m long. It forms an angle of 30 degrees to the ground. On the same side of the tree, a second wire is also attached to the top of the tree, but it makes an angle of 45 degrees to the ground. Determine

35. math

Ali, Clara, and Shan raised money for new books for the school library. Ali raised 20% more than Clara and \$58 more than Shan. Clara raised 1/4 more than Shan. A) How much money did they raise altogether B) What percent of the total money did Clara raise?

36. American Government

Please I need Help!!!!!!!!!!!!!!!!!! 1. What type of power does the Constitution grant to the Supreme Court? (1 point) executive power federal power judicial power legislative power 2. Which are examples of judicial restraint in the Supreme Court? Select

37. Math

A phone company uses the equation y=0.15x+10 to find y, the monthly charges for a customer sending x text messages. How many text messages are sent if the monthly charge is \$77.50?

38. Algebra

Please Check My Anwsers What is the slope of the line in the graph show below? /content/media/390571-1122011-42500-PM-1076804072.png A) -2 B) -1 C) 1 (My Choice) D) 2 Find the slope of a line that passes through (–2, –3) and (1, 1) A) 1/3 B) 1 C) 2 (My

asked by Anoamis =D
39. Social Studies

How did the Supreme Court decision in Worcester v. Georgia and the Indian Removal Act lead to the removal and resettlement of Native American groups? Please help me I looked at every website and information for a answer but I'm new to connections academy

40. College Math

There were 42 different presidents of the United States from 1789 through 2000. What is the probability that at least two of them had the same birthday?

41. U.S History

1.Use the passage to answer the following question: So through the night rode Paul Revere; And so through the night went his cry of alarm To every Middlesex village and farm, A cry of defiance, and not of fear, A voice in the darkness, a knock at the door,

42. Physics

A 55.0 kg diver steps off a diving board and drops straight down into the water. The water provides an upward average net force 1480 N. If the diver comes to rest 5.6 m below the water's surface, what is the total distance between the diving board and the

43. U.S History

Which of the following offers the best definition of the phrase "headright system"? A)Settlers were given land and, in return, were expected to farm and build on it.*** B)Settlers were given money if they agreed to sell a portion of their crops to Britain.

44. ELA

Long-distance footraces, known as marathons, are celebrated events in American culture. Hundreds and sometimes thousands of people come together to test their endurance and to take part in good-natured competition. One of the world's most famous marathons

asked by Can you help me??

Why were women fighting for suffrage? A:because they wanted to end abuse toward women B:because they wanted to win the right to vote**** C:because they wanted to gain the right to work D:because they wanted to end women's inequality Completely doing an

46. Math

a recipe used 2/3 cup of sugar for every 2 teaspoons of vanilla. how much sugar was used per teaspoon of vanilla?

47. english

Which of the following sentences contains an action verb? 1)Brad looks upset today. 2)Brad drove to the zoo with us.+++ 3)The animals seem very active today. 4)Our friend appeals happy now. I think it is number 2?

48. math115

A worker gets 22 dollars per hour for a normal work week of 40 hours and time-and-a-half for overtime. Assuming he works at least 40 hours a week, construct a function describing his weekly paycheck, Upper P, as a function of the number of hours worked, t.

49. math

There are 12 marbles in a bag, and the marbles are either yellow or green. Two marbles will be randomly picked from the bag, without replacing the first one picked. The probability that both marbles will be yellow is 5 33 . How many YELLOW marbles are in

50. Calc

This problem is really weird. I have to explain why MVT applies for f(x)=2sinx-sin2x on the closed interval 7pi,8pi and then determine all values of c in the interval (7pi,8pi) that satisfies the conclusion of the theorem. However, the condition of MVT is

51. Mathematics

Tom deposits \$800 into an account that pays simple interest at a rate of 2℅ per year. How much interest will he be paid in the first 2 years

52. Math

A 100 gallon tank is filled with a salt solution containing 10 lbs of salt. Pure water is pumped in at a rate of 5 gallons per minute and pumped out at the same rate. How many minutes will it take the amount of salt to drop to 8 lbs? Round to one decimal

53. math

On a farm ,the ratio of cows to chickens to horses is 2 to 7 to 3. There are 8 fewer horses than chickens on the farm.How many total animals are on the farm?

54. probability

A letter of english alphabets is chosen at random.What is the probability that it is a letter of the word MATHEMATICS.

55. Arithmetic progression

A person buys national savings certificate of values exceeing of the last years purchase by Rs. 100. after 12years he finds that the total value of certificate purchased by him is Rs. 7,200 find the value of the certificate purchased by him (1) in the

56. Calculus

Sinx=e^y , 0

Describe some of the achievements of the Middle Kingdom of ancient Egypt.

58. Chemistry

Consider the reaction: Fe2O3+2Al=Al2O3 How many grams of Al are necessary to make 100.2 grams of Al2O3?

59. History

The postwar period was difficult for farmers because of? A:falling food prices B:widespread drought C:a shortage of farm equipment D:a decrease in demand for farm products**** I was torn between A&D...but decided on D....since food prices increased after

60. math

A sphere of radius 7 m is circumscribed about a regular triangular prism. If the base edge of the prism is 1 m, find the volume of the prism (in m3). Round off your answer to four decimal places.

61. physics

A rope of mass 0.73 kg is stretched between two supports 31 m apart. If the tension in the rope is 1100.0 N, how long (in seconds) will it take a pulse to travel from one support to the other?

62. Math

A student randomly guesses the answers to a four question true or false quiz. Find the probability that the student answers F on at least 2 of the questions

63. Algebra

In a basketball game, Sam scored 34 pts, consisting only of 3 point shots and 2 point shots. He made a total of 15 shots. How many shots of each type did he make?

64. Maths

The 5th term of an arithmetic progression is 3times of 2nd term and 12th term exceeds 2times of 6th term by 1. Find the 16th term

65. Physics

Two identical racing horses go around a semicircular turn in a racecourse. The horses have the same speed, but horse A is on the inner side while horse B is on the outer side of the circular turn. Which horse has the greater acceleration while in the turn?

66. VERY, VERY URGENT 4TH GRADE MATH!!!!!!!!!!!!!!!!!!

What is 44 divided by 7 with a remainder?

asked by Anonymous kid (no name pl

what lands beside egypt does the nile flood

68. Maths

The 5th term of an arithmetic progression is 3times of 2nd term and 12th term exceeds 2times of 6th term by 1. Find the 16th term

69. Calc

A box has a bottom with one edge 6 times as long as the other. If the box has no top and the volume is fixed at V, what dimensions minimize the surface area?

70. physics

A wire of length 60cm and mass 10kg is suspended by a pair of flexible leads in a magnetic field magnitude and direction of the current required to remove the tension in the supporting leads.

71. Pre Calculus

A flare is launched straight up with a velocity of 200 feet per second. The function h(t)= 200t−16t^2 models the height h(t)of the flare are at time t. How many seconds will it take for the flare to hit the ground?

72. math

One day during flu season, 1/3 of the students in a class were out sick, and only 24 students were left. How many students are in the class?

73. Math

a recipe used 2/3 cup of sugar for every 2 teaspoons of vanilla. What is the unit rate in cups per teaspoon ?

74. MATH URGENT!!!!!

The graph represents function 1 and the equation represents function 2: A graph with numbers 0 to 4 on the x-axis and y-axis at increments of 1. A horizontal straight line is drawn joining the ordered pairs 0, 3 and 4, 3. Function 2 y = 2x + 1 How much

75. Algebra

Rosa is 14 years older than her sister Amy. 3 years ago, she was 3 times as old as Amy. How old are they now?

76. Math

A man purchased eggs at the rate of Rs 48 per tray of 30 eggs . At what rate per hundred should he sell the eggs to gain 15%

77. math

A boy spent one-half of his money for a book and one-third of his money for a pen. The remaining \$2.25 he saved. How much money did he have originally?

78. physic

At T= 20 degrees C, how long (in meters) must an open organ pipe be if it is to have a fundamental frequency of 240.0 Hz?

79. HEEEELLLPPP!!!!!!!!!!! LA!

1 While television can be entertaining and educational, it also has a dark side, especially for children. On average, children spend nearly 4 hours a day watching television. The harmful effects of television viewing far outweigh any benefits. 2 Doing

80. Stats

A dean wishes to estimate the average cost of the freshman year at a particular college correct to within \$500, with a probability of 0.95. If a random sample of freshmen is to be selected and each asked to keep financial data, how many must be included in

81. Philosophy

There are a variety of major distinctions that people always use to describe the Plato's Republic section we have read. The distinctions are: -The appearances vs.reality, -One vs. the many, - Forms/ideals vs. physical objects. After doing the reading,

82. Calculus applications

The bending moment (M) along a beam is M = WLx/2 -Wx2/2 kNm where x is the distance of a beam length L from the left hand end. W is the weight per unit length. (a) Shear force is calculated as the differential of bending moment. Find an expression for

83. Physics

We have a heat engine that produces 150 J of heat, does 40 J of work, and emits 110 J into another system. What is the efficiency of the heat engine? Please don't give me the answer! Just help figure out how to find it! The description for the lesson with

84. math

the perimeter of a parallelogram is 88 cm and one of its adjacent sides is longer than the other by 10 cm. Find the length of each of its sides

85. Math

Tim has read 60% of a book. He has 24 more pages to finish. How many pages are there in the book?

86. Pre Algebra Review

Thirty-five students belong to the science club. This 1/4 the number in the 5 sections of the eighth grade. How many students are in the eight grade? How many in each section if each section has the same number of students?

87. Chemistry

Consider the reaction: Fe2O3+2Al=Al2O3 How many grams of Fe2O3 Are necessary ro make 100.2 grams of Al2O3? Step by step please.

88. Chemistry

Consider the reaction: Fe2O3+2Al=Al2O3 How many kg of Al2O3 are produced from 25.2 kg of Fe2O3 assuming there is sufficient Al?

89. Math

Kevin takes 8 hours to mow 6 lawns. At this rate, how many lawns could be mowed in 32 hours

90. Calculus

For what value of k will x+k/x have a relative max at x=-2

91. General Physics II

Hi, this is about thin film interference in ray optics. My book presents two similar problems, but somehow uses different paths for the same variable. I'll list out the given variables: --Problem A-- n1 < nf > n2, delta phase is therefore lambda over two.

What is the smallest perfect square that has a factor of 800. What is the smallest perfect cube that has a factor of 800? Smallest perfect square would be 1600 and smallest perfect cube I think would be 8000. 800= 2,2,2,2,2,5,5 2^2 × 2^2 × 5^2 × 2^2

93. precalculs

Explain what each of the following represents, and how equations (a) and (b) are equivalent. (a) y = a(x - h)2 + k, a ≠ 0 (b) (x - h)2 = 4p(y - k), p ≠ 0 (c) (y - k)2 = 4p(x - h), p ≠ 0 can you check my work and explain how equations (a) and (b) are

94. chem

What is the total pressure on the gas after the 760 mm Hg has been added? FIRST PHASE atmospheric pressure= 760 torr gas volume= 60 mL (760 mm Hg added to 2nd phase) SECOND PHASE atmospheric pressure= 760 torr Gas volume= 30 mL **image looks like a J. in

95. Math (statistics)

Suppose an employee starts working after completing her MBA at age 30 at a starting salary of \$50,000. She expects an annual salary increase to be at minimum 1%, at maximum 5%, with a uniform distribution. Her retirement plan requires that she contribute

96. math

!@#\$%^& hires a new employee to work in the bakeshop. In one hour he burned 55 coojies. If this repeesented 15% of the days production how many cookies did you plan on producing that day?

97. Math

A circular ice rink is being built in town. Around the ice rink, a walkway will be built. The ice rink will have a diameter of 8080 feet and the walkway will be 1010 feet wide. What is the approximate area of the walkway? A. 314 ft B. 2,826 ft C. 12,874 ft

98. geometry

ray pb bisects < rpt so that < rpb = x+2 and < tpb = 2x-6. What is < rpt =

99. physics

An organ pipe is 81 cm long and at a temperature of 20 degrees C. What is the fundamental (in Hertz) if the pipe is closed at one end?

100. maths

A car which cost #1.8 million when New Depreciates by about 12% in the first 6 months.find the value after 6 months to 2 significant figures

101. Vectors

Calculations with vectors a = 3i +4j, b = -7i + 24j, c = i – 2j, d = 3j a) Find |a| b) Find |b|

102. Math

Mrs. Scott decided that she would spend more no more than \$120 to buy a jacket and a skirt.If the price of jacket was \$20 more than 3 times the price of the skirt.Find the highest possible price of the skirt. I have the answer but they add another variable

103. physic

How fast (in meters/second) is an object moving on the earth, if its speed is specified as Mach 0.2 ?

104. maths

If the face value of a 91-day Treasury Bill is £100000 and it is issued at a discount of £1300, what is the annual interest rate (yield) that the purchaser receives (expressed as a percentage to 2 decimal places)?

105. physics

A guitar string is 97 cm long and has a mass of 3.6 g. The length L from the bridge to the support post is 61 cm, and the string is under a tension of 570 N. What is the frequency of the fundamental tone?

106. physic

The string on a violin has a fundamental frequency of 150.0 Hz. The length of the vibrating portion is 36 cm and has a mass of 0.51 g. Under what tension (in newtons) must the string be placed?

107. precallcuslus

can you check my work and explain the last question because I do not uderstand. Explain what each of the following represents, and how y = a(x - h)2 + k, a ≠ 0 and (x - h)2 = 4p(y - k), p ≠ 0 are equivalent. The equation (x - h)2 = 4p(y - k), p ≠ 0

108. math

A manufacturer has determined that if it sets the price of paper at x dollars per ream, then its monthly profit can be represented by the equation P = (6000 - 400x)(x - 2). Determine the y-intercept and explain what it means. The teacher said that the

109. Science

A boy pushes a box of mass 57 kg and it moves with an acceleration of 11.4 m/s2. what amount of force is the boy exerting on the box?

110. Math

Recipe needs to make exactly 10 cups. 5 ingredients. Using 1/3 cups and/or 1/4 cups only. Please help.

111. african american history

name some differences between the historic condition of slaves and that of wives, children and professional athletes

112. Calculus 1

In the problem, x and y are differentiable functions of t. Find dx/dt when x = 3, y = 4, and dy/dt= 2. x^2 + y2^2= 25

asked by Dhrupal Patel
113. Maths

One Sunday, 681 people visited the zoo. Of these, 291 were men, 135 were women, and the rest were children. How many more adults than children visited the zoo that day?

asked by Ali Abbas
114. Math

Hoses A and B together can fill a swimming pool in 6 hours. If hose A alone takes 10 hours to fill the pool, how long would it take hose B to fill the pool?

115. Math

Hoses A and B together can fill a swimming pool in 6 hours. If hose A alone takes 10 hours to fill the pool, how long would it take hose B to fill the pool?

116. Calculus 1

In the problem, x and y are differentiable functions of t. Find dx/dt when x = 3, y = 4, and dy/dt= 2. x^2 + y2^2= 25

asked by Ravi Shankar
117. Math

The rating for a tv show dropped a total of 10 points in 2 weeks. What integer represents the average change in points per week?

118. Math

In a school survey year 6 found that for every 4 girls there were 5 boys what is the ratio of girls to boys

119. precalculus

What does the equation y = a(x - h)2 + k, a ≠ 0 represent?

120. fourth grade math

What is 271÷7 with a remainder?

asked by Anonymous (no name pl
121. Chemistry

How do orbitals on individual atoms interact and change when covalent bonds form in molecules?

122. Algebra

Find an equation of a parabola with a vertex at the origin and directrix y= -4

123. pre calculus

Find the equation of a Parabola with Vertex: (2,-1) and directrix: x= -2

124. English

Hello. Thank you for your help. I'd like to think of a stative passive and an active passive. 1. He has closed the shop. 2. He closed the shop and it is closed. (The meaning of #1 is #2. There was an action and then there was a state: an action + a state

125. precalculus

How do you find the major and minor axis of an ellipse?

126. Math

A hot air balloon rising vertically is tracked by an observer located 4 miles from the life off point. At a certain moment, the angles between the observers line of sight and the horizontal is Pi/4 and it is changing at a rate of 0.1. How fast is the

127. Math grade 10

In triangle ABC with coordinate A(3,4), B(-5,2) and C(1,4) , line segment CF is the altitude of triangle ABC. Determine the equation of the line that collinear to line CF

128. Algebra

Find an equation of a parabola with a vertex at the origin and directrix y =–4

129. science

Gravitational force =mass x 9.8m/s2 what is the force of a polar bear weighing 1500kg?

130. Calculus applications

6. The bending moment (M) along a beam is M = WLx/2 -Wx2/2 kNm where x is the distance of a beam length L from the left hand end. W is the weight per unit length. (a) Shear force is calculated as the differential of bending moment. Find an expression for

131. Spanish

I have two questions: 1) Como se llama la plaza donde celebraban desfiles militares? (12 letters) ----- -- ----- 2) Quien pesó oro en la Casa del Cordón? (20 words) -- ------ ------- ----- Thank you for your help

asked by Maria HELPPP
132. Calculus 1

In the problem, x and y are differentiable functions of t. Find dx/dt when x = 9, y = 2, and dy/dt= 2. x^3y^2 = 2916

asked by Dhrupal Patel
133. Maths

The smallest positive number divisible by every integer from 2 to 10

134. Math

Round 123,166,749 to the neartest thousdand

135. Ray Optics

Hi, this is about thin film interference in ray optics. My book presents two similar problems, but somehow uses different paths for the same variable. I'll list out the given variables: --Problem A-- n1 < nf > n2, delta phase is therefore lambda over two.

136. Alegbra

15000 = (4/3)(pi)R^3 Solve for R. How do I solve for R

137. Chem

Does atmospheric pressure increase or decrease as altitude increases? (Neglect changes in temperature.)

138. Math

Two different numbers are randomly selected from the set \${ - 2, -1, 0, 3, 4, 5}\$ and multiplied together. What is the probability that the product is \$0\$?

139. math

four times a number plus three times the sum of a number and four is equal to negative nine

140. Algebra

I need help understanding how to cross-multiply addition of inverse functions. I'm given this, 1/p+1/(p-45) = 1/30 The answer goes to p^2-105p+1,350 = 0. My method has been adjusting the ratios of the numerator and denominators to give,

141. math

ben is a book that is 48 pages long.

142. Calculus 1

In the problem, x and y are differentiable functions of t. Find dx/dt when x = 3, y = 4, and dy/dt= 2. x^2 + y2^2= 25

asked by Dhrupal Patel
143. precalculus

Find the equation of a Parabola with Vertex: (-2,4) and directrix: y=7

144. English

1. She'll be coming round the mountain when she comes. 2. She'll be coming around the mountain when she comes. ------------------------ In the song, 'round' is used in #1. In British English, 'round is used with action verbs. However, what about in

145. Chemistry

If a 30.pL tank of laughing gas contains 2.74 moles of N2O at 25 degrees C, what is the pressure (atm) in the tank?

146. Geometry

How do you use slopes to write the proportion to find the value of x for this problem... (4,5), (1,2), (x,0) please show your work and explain thx

147. africa

explain the american paradox of freedom and slavery

148. Matrix application

Part of the road is to be on a parabolic curve given by a function of the form y = ax^2 + bx + c where x and y are local co-ordinates. The road alignment must pass through the following 3 points:- x = 150m y = 190.650m x = 300m y = 611.450m x = 450m y =

149. science

SHC and heat transfer Iron=390 To raise temperature of 0.5kg iron from 22 to 34°c

150. Mathematics

if d sum of two numbers is 8 and their product is 15.if the answer of this equation is 3and5 find the number and check let the two numbers be xandy and you must check

151. chemistry chem check

Two liquids, 'R' and 'S' form an ideal mixture, what is true about the relation between the mole fraction of R in the liquid phase (X_r) and that of the vapor phase (Y_r) for most mole fractions in the range of 0

152. Calc

h''(x)=(x-1)(x+1)^2(x+2) asks what values of x does h''(x) concaves up or down for. I made a sign chart and got the critical numbers -1, 1, and 2, with the signs (in order of the c.n.s) being +,-,-, and +. Based off of the signs, does h''(x) concave down

153. Physics

Hi, do you know how angular velocity relates to a "tight spiral" in football?

154. Math - Coordinate Geometry

Find the equation of the line which cuts the y-axis at -3 and is parallel to 4x-y+=0. Please show working out, thanks.

155. maths

4 circles inscribed in a big circle of radius rcm express the radius of the large circle in terms of r

156. precalculus

can you explain what the equation y = a(x - h)2 + k, a ≠ 0 means and what it represents?

157. fundamental programming

Design a program that keeps on reading number until the user enter a zero value

158. Calculus

f(x)=6x^3-4x then d/dx(f(lnx)) =??

159. math

4/1/2+q=9/1/2

160. Statics

I would like to write vector expressions and determine the andle the slipe makes with the horizontal for the following. a 2kg block is on a slope and is about to slip down, the coefficient of static friction is 0.4. so far I have W=2g F=Fi N=Nj and tan-1

161. Math

TanA VYAPAK SLOVED

162. Silmultaneous Equations

Need a bit of help solving the following equations. sqrt(5/8-(sqrt(5)/8))LH+cos (43pi/180)RH = 0 and 1/4(1+sqrt(5)LH+sin(43pi/180)RH-2g=0 What is the best way to start when trying to combine these equations? Thanks

164. math

Compare -8 ? 10. Use , or =.

165. algebra, mathematics

The sum of two numbers is 33. Twice the smaller number from the larger number gives 15. Find the numbers

166. Math

Is 11 prime or composite?

167. Science

What kind of heat transfer cause Earth's major wind patterns?

168. English

How is close reading related to annotation? How are they similar?

169. math

BONUS QUESTION: In a container of beans, there are black, white, and brown beans. The ratio of black to brown is 4 to 9.There are twice as many white as there are black. If there are 16 white beans in the container, how many beans are there in all?

asked by Thomas Southerland
170. URGENT 4TH GRADE MATH

What is 4,399÷6 with a remainder? sorry I am not good with remainders.

asked by Anonymous kid (no name pl
171. Math

Ann drank 8 quarts of lemonade over the weekend. Each day she drank 1/4 quart of lemonade. How many times did Ann drink lemonade

172. Calc

I have to find the relative minimum and relative maximum of g'(x)=(x+1)(x-1)^2(x-2). What I've done so far is constructed a sign chart using the critical numbers, but I'm confused. To the left of -1 it's +, to the right of -1 it's -, to the left of 1 it's

173. Science

What volume of a 2.00 M HCL solution can be prepared by diluting 0.350L of 14.0 M HCl solution?

174. Science

Explain the way that ammonia, salt, and water are a like. My answer: They are all a like because they are all acids. They all clean things. They also are all compounds.

175. math

lucy had 48 balloon for her berthday if 1/4 of the balloon are red 1/3 of then are blue and the rest are yellow how many yellow balloons did she have?

asked by jayzel allen v sayco
176. math

sam was exercising on his treadmill. He walked 3/8 of a mile and than ran 2/5 of a mile within 30 minutes. How many miles has sam done on his treadmill?

177. Maths

In a class of 60 students,45 students are female. What percentage (%) of the students are male.

178. Math

Find d^2y/dx^2 at point P(2,1) if y is a differentiable function of x satisfying the equation: x^3+2y^3=5xy

179. Calculus

If the line 3x-4y=0 is tangent in the first quadrant to the curve y=x^3+k, then k is? I got 1/4 is this correct?

180. Physics

ou build a loop-the-loop in your backyard. It has a diameter of 3.10 m. a) How fast will you have to be moving at the top of the loop to avoid falling off? b)If you'll be coasting from the time you get to the bottom of the loop, how fast will you have to

1+1=?

182. math

Using fermats little theorm, find the least residue of 8^123 modulo 61

183. african american history

what ways did slave master's exercise "total power" over their slaves?

184. Math

f(x) = x^5 + 2x^3 + x - 1 Find f^-1 (3) and (f^-1)' (3) f^-1 (3) = 1 (f^-1)' (3) = 1/12 Those are the answers, but I have no clue how my teacher got them.

185. Math

f(x) = cos(x) + 3x Find f^-1 (1) and (f^-1)' (1) f^-1 (1) = 0 (f^-1)' (1) = 1/3 These are the answers given, but I also don't understand how my teacher got these.

187. parametrics

How do I work out the second quadrant parametrisation of 5x^2+16y^2=45. I have x=3 cos t, y=3sqrt5/4 sin t so far. Thanks