# Questions Asked onNovember 7, 2012

1. ## math

Lynbrook West, an apartment complex, has 100 two-bedroom units. The monthly profit (in dollars) realized from renting out x apartments is given by the following function. p(x)=-10x^2+1700x-43,000 To maximize the monthly rental profit, how many units should

2. ## math

Using the numbers 5, 8, and 24, create a problem using no more than four operations (addition, subtraction, multiplication, division, square, square root, cube, cube root) where the solution will be an irrational number. Explain why the result of your

3. ## Physics

A uniform 34.5-kg beam of length = 4.95 m is supported by a vertical rope located d = 1.20 m from its left end as in the figure below. The right end of the beam is supported by a vertical column. a) Find the tension in the rope. b) Find the force the

4. ## english

1. What about Thoreau’s night in jail made him angry? (1 point) The fact that his stay in prison was too short to make a point. The interference with his protest. The uncomfortable accommodations. 2. Why do the playwrights refer to their protagonist as

5. ## trig

How do you find the exact value of sin 5pi/8?

6. ## physics

Three applied forces, F1= 20.0 N, F2= 40.0 N, and F3 = 10.0 N act on an object with a mass of 2.00 kg which can move along an inclined plane as shown in the figure. The questions refer to the instant when the object has moved 0.600 m along the surface of

7. ## physics

A positive charge q1 = 2.70 uC on a frictionless horizontal surface is attached to a spring of force constant k as in the figure. When a charge of q2 = –8.60 uC is placed 9.50 cm away from the positive charge, the spring stretches by 5.00 mm, reducing

A person bending forward to lift a load with his back, as shown in the figure, rather than with his knees can be injured by large forces exerted on the muscles and vertebrae. The spine pivots mainly at the fifth lumbar vertebra, with the principal

9. ## english

Identify the italicized word according to its class in structural linguistics. (There) are no easy answers.

10. ## Physics

to strengthen his arm and chest muscles, an 82-kg athlete who is 2.0 m tall is doing push ups. his center of mass is 1.15 m from the bottom of his feet, and the centers of his palms are 30.0cm from the top of his head. find the force that the floor exerts

11. ## English

My name, Cynthia, is from a Greek word for moon. Identify the term the correctly identifies each sentence... simple sentence compound sentence complex sentence compound-complex sentence I think it is B.

12. ## Algebra =/

One Number Added To Three Times Another Number Is 24. Five Times The First Number Added To Three Times The Other Number Is 36. FInd The Numbers HELP PLEASE!!!!! :)

13. ## Calculus

A solid is formed by adjoining two hemispheres to the ends of a right circular cylinder. The total volume of the solid is 2 cubic centimeters. Find the radius of the cylinder that produces the minimum surface area. (Round your answer to three decimal

14. ## math

alan scored a total of 14 points for answering all 15 questions on a math quiz for every correctly answered question alan got 2 points for every wrong ahe lost 2 points how many questions did he answer correclty

15. ## Physics

Two banked curves have the same radius. Curve A is banked at an angle of 11°, and curve B is banked at an angle of 16°. A car can travel around curve A without relying on friction at a speed of 18.5 m/s. At what speed can this car travel around curve B

16. ## Physics Help

Two compressible solids are formed into spheres of the same size. The bulk modulus of sphere two is twice as large as the bulk modulus of sphere one. You now increase the pressure on both spheres by the same amount. As a result of the increased pressure,

17. ## algebra

The 4200 km trip from New York to San Francisco take 6 h flying against the wind but only 5 h returning. Find the speed of the plane in still air and the speed of the wind.

18. ## English 3

Young Goodman Brown is a dynamic character TRUE OR FALSE

19. ## English - Ms. Sue

I guess that Ashley wasn’t popular in our town. independent clause adverbial clause adjectival clause noun clause Ms. Sue the website you gave me didn't talk about these clauses can you give me a clue how to figure them out - I have 5 questions with

20. ## English

The most popular girl’s name when I was born was Ashley. identify what "when I was born" is considered.... independent clause adverbial clause adjectival clause noun clause I think it is A

21. ## Intro to Physics

A sample of an unknown material appears to weigh 295 N in air and 165 N when immersed in alcohol of specific gravity 0.700. (a) What is the volume of the material? ___________m^3 (b) What is the density of the material? ____________ kg/m3 I am getting the

22. ## English

I was not surprised when I learned that. Identify the sentence... simple sentence compound sentence complex sentence compound-complex sentence I do not understand these Ms. Sue....I went to your link - please help I have alot Ithink it is A

23. ## Math

I need help and I forgot my book and class please help me solve theses Sr = SQUARE ROOT 1. What is the solution to -75 sr to the nearest integer? (1 point) 9 8 -8 -9 2. Shelly sews a blanket that has an area of 170 square feet. It has 30 square blocks,

24. ## physics

While polishing a 1-kg brass statue, you do 760 J of work against sliding friction. Assuming that all of the resulting heat flows into the statue, how much does its temperature rise?

25. ## chemistry

A chemical reaction in a bomb calorimeter evolves 3.86 kJ of energy in the form of heat. If the temperature of the bomb calorimeter increases by 4.17 K, what is the heat capacity of the calorimeter?

26. ## Math

Writing to Explain Draw a decimal model and write 0.78 as a fraction in simplest form.

27. ## Chemistry

I am stuggling with my chemistry experiment. I am given thr following: The reaction of citric acid and sodium bicarbonate is written as H3C6H5O7(aq) + 3NaHCO3(aq) --> Na3C6H5O7(aq) + 3H2O(l) + 3CO2(g) 1.) Mass of cup A, water, and stirrer = 54.3 g 2.) Mass

28. ## English

After all, I have always been a night owl, and I prefer moonlight to sunlight. Identify the sentence... simple sentence compound sentence complex sentence compound-complex sentence I think it is C

29. ## Dollarway

What kind of reaction occurs when a molecule of glucose reacts with oxygen to give carbon dioxide and water?

30. ## English

What belief does Whitman share with Ralph Waldo Emerson and other transcendentalists? Which of the following most clearly describes a central theme in the Walt Whitman poem, “I Hear America Singing?” Every man and woman contributes positively and

31. ## Chemistry

What volume of a 0.5 M solution is required to prepare 250 mL of a 0.15M solution? (Note: M = mole per Litre)

32. ## statistics

Under what circumstances can a very small treatment effect still be significant? a, if the sample size (n) is very large b, if the sample standard deviation is very large c, if the standard error of M is very large d, all of the other factors are likely to

33. ## math

identify the two numbers less than 20 with the most factors

34. ## Physics

A "swing" ride at a carnival consists of chairs that are swung in a circle by 12.0 m cables attached to a vertical rotating pole, as the drawing shows. (è = 60.0°) Suppose the total mass of a chair and its occupant is 222 kg.

35. ## math

The price of an oven changes from \$450 to \$396. (1 point)13.6% increase 13.6% decrease 12% increase 12% decrease

36. ## physics

If an object is dropped from a tall building and hits the ground 3.0 s later, how tall is the building?

37. ## Physics

A block of wood will sink 10 cm in freshwater. How far will it sink in seawater. The specific gravity of seawater is 1.025

38. ## Math

Suppose that ln2=r. Use properties of logarithms to write the logarithm in terms of r. ln32=__

39. ## Physics

A "swing" ride at a carnival consists of chairs that are swung in a circle by 12.0 m cables attached to a vertical rotating pole, as the drawing shows. (è = 60.0°) Suppose the total mass of a chair and its occupant is 222 kg

40. ## physics URGENT! HELP

If an object is thrown in an upward direction from the top of a building 1.60 x 102 ft. high at an initial velocity of 21.82 mi/h, what is its final velocity when it hits the ground? (Disregard wind resistance. Round answer to nearest whole number and do

41. ## Intro to Physics

The gravitational force exerted on a solid object is 5.15 N as measured when the object is suspended from a spring scale. When the suspended object is submerged in water, the scale reads 4.00 N. Find the density of the object.

42. ## Math

I just finished a algebra with pizzazz (why are handcuffs souvenirs?) and I have, they are for two whisrs and i don't know if that's right so an u help me?

43. ## Physics

Which one of the following stresses would be most likely to cause a bone to fracture? A) tensile stress B) compressive stress C) sheer stress D) bulk stress

44. ## algebra

Camille can swim against the current at 1.5 m/s and with the current at 3.5m/s. Write an equation that expresses each fact. How fast can she swim in still water?

45. ## Statistics

A random sample of 14 evenings at the O'Sullivan house hold showed that the family received an average of 2.4 solicitation calls each evening. The sample standard deviation was s= 0.9. Find a 99% confidence interval for the population mean number of

46. ## physics

You throw a softball (of mass 300 g) straight up into the air. It reaches a maximum altitude of 10.1 m and then returns to you. What is the gravitational potential energy of the softball at its highest position? Assume the ball departed from and returned

47. ## Physical Education

Tom served to Sue, who set up Stacey for a spike. Stacey went up for the spike and hit it into the ground on Team A's side. In the process of spiking the ball, Stacey hit the net with her hand. Who won the point and why?

48. ## physics

Each of the space shuttle's main engines is fed liquid hydrogen by a high-pressure pump. Turbine blades inside the pump rotate at 595 rev/s. A point on one of the blades traces out a circle with a radius of 0.02 m as the blade rotates. (a) What is the

49. ## physics

A baseball player puts a baseball on a batting tee. The baseball bat is able to deliver 400,000 W of power and is in contact with the ball for 0.70 ms and a distance of 1.4 cm. the mass of the ball is 145g. What is the average acceleration?

50. ## Physics

A 10.0 g object moving to the right at 19.0 cm/s makes an elastic head-on collision with a 15.0 g object moving in the opposite direction at 30.0 cm/s. Find the velocity of each object after the collision.

51. ## Physics

A collapsible plastic bag contains a glucose solution. If the average gauge pressure in the vein is 1.21 103 Pa, what must be the minimum height h of the bag in order to infuse glucose into the vein? Assume the specific gravity of the solution is 1.03.

52. ## algebra

The price of a small cabin is \$85000 the bank requires a 5% down payment the buyer is offered two mortgage options: 20 year fixed at 9.5% or 30 year fixed at 9.5% calculate the amount of interest paid for each option how much does the buyer save in

53. ## VERY URGENT math question

Owen was stacking popcorn balls on a table. He put sixteen balls on the table. He added three more layers. Each layer had four fewer balls than the previous layer. How many popcorn balls in all did Owen put on the table?

54. ## Algebra

Tickets to a movie cost 7.25 for adults and 5.50 for students. A group of friends purchased 8 tickets for \$52.75 Write a system of equations to represent the situation

55. ## Math

Central Middle School sold 50 tickets for one night of the school play. Student tickets sold for \$2 each and adult tickets sold for \$3 each. They took in \$135. How many of each type of ticket did they sell?

56. ## Grammar and capitalization

Select the sentence with the correct capitalization. A) The nurse removed the Foley catheter that Dr. Smith had inserted the prior Friday. B) The nurse removed the Foley Catheter that Dr. Smith had inserted the prior Friday. C) The Nurse removed the Foley

57. ## physics

Three point charges, A=2.00 uC, B=7.00 uC, C=-4.00 uC, are located at the corners of an equilateral triangle. a) Find the magnitude and direction of the electric field position of the 2.00 uC charge. b) How would the eletric field be affected if the charge

58. ## Physics

Suppose a distant world with surface gravity of 7.12 m/s2 has an atmospheric pressure of 7.48 104 Pa at the surface. (a) What force is exerted by the atmosphere on a disk-shaped region 2.00 m in radius at the surface of a methane ocean?________N (b) What

59. ## math

a band held a concert in it's hometown a total of 15000 people attended the tickets cost 8.50 per student and 12.50 per adult the concert took in a total of \$162500 how many adult came to the concert

60. ## Physics (Tension)

A uniform plank of length 2.00 m and mass 35.0 kg is supported by three ropes, as indicated by the blue vectors in the figure below. Find the tension in each rope when a 690-N person is d = 0.725 m from the left end.

61. ## Science 9 PLEESE HELP

i need help on these questions so pleese help me! 1. a.) name the structures of the male reproductive system that sperm do not travel through. b.) what is the name given to these structures? 2. Name the other body system that the !@#\$%^& is part of 3. why

62. ## chemistry

A constant pressure tank is filled with air at 16.7 Atm at 24C it warms to 65C, what is the tank pressure

63. ## Physics

If the 50.0 kg boy were in a spacecraft 5R from the center of the earth, what would his weight be? (Use the 50.0 kg boy for significant figures) i got 20N again not sure.. it dosnt tell me if i got them wrong or right online classes are horrible and very

64. ## Physical Science Help, PLEASE!

A marine weather station reports that waves along the shore at 10 seconds apart. The frequency of the waves is?

65. ## physics

the coefficients of static and kinetic friction for stone on wood are, respectively, 0.5 and 0.4. if a 150 kg stone statue is pushed with just enough force to start moving across a wooden floor and the same force continues to act afterward. find the

66. ## statistics

An automatic machine that fills bags of unpopped popcorn is operating properly if the weights are independently and normally distributed with a mean of 114 grams and a standard deviation of 4.9 grams. Find the probability that if 7 bags are randomly

67. ## chemistry

A buffer system is created by neutralizing the supernatant solution containing Pb^2+, Fe^3+, Al^3+, Ca^2+, Cu^2+, and K^+ ions with 6M NH3 solution and then adding an equal volume of 6M NH3 solution. Explain what forms of 6M NH3 were present in the final

68. ## Intro to Physics

(a) Calculate the absolute pressure at the bottom of a fresh-water lake at a depth of 25.6 m. Assume the density of the water is 1.00 103 kg/m3 and the air above is at a pressure of 101.3 kPa. (b) What force is exerted by the water on the window of an

69. ## Geometry

When a point is on a segment and it is equidistant from endpoints of the segment, what is it?

70. ## English

This Question is in accordance to the book "The Scarlet Letter" Is Arthur Dimmesdale a remarkably strong character to have carried his burden of guilt for so many years? Or was he weak for not having the courage to confess? Given what we know about him,

71. ## physics

While fishing, you get bored and start to swing a sinker weight around in a circle below you on a 0.31- piece of fishing line. The weight makes a complete circle every 0.70 . What is the angle that the fishing line makes with the vertical? Express your

72. ## physics

calculate the period of a ball tied to a string of length 1.9 m making 1.5 revolutions every second

73. ## Biology

Bacteroides and Escherichia are both gram-negative rods found in the large intestine. Why are they in different phyla?

74. ## Physics

Suppose the surface (radius = r) of the space station in the figure is rotating at 38.6 m/s. What must be the value of r for the astronauts to weigh one-half of their earth-weight?

75. ## statistics

90% confidence; the sample size is 1150 of which 40% are successes.

76. ## physiology

Match each term with the appropriate description. A. peptide hormone B. steroid hormone C. amino acid-derived hormone D. anterior pituitary E. hypothalamus F. posterior pituitary lipophobic molecule that interacts with receptors on cell surface

1. This is the process of gathering facts and information from works of art in order to make intelligent judgments about them. There are four steps to this process. (1 point) aesthetics art criticism principles of art elements of art 2. The study of the

78. ## Physics

A 21.1 g ball of clay is thrown horizontally at + 38.7 m/s toward a 1.2 kg block sitting at rest on a frictionless surface. The clay hits and sticks to the block. A. What is the speed of the block and clay right after the collision? m/s B. Use the block's

79. ## physics

If an object is dropped from a tall building and hits the ground 3.0 s later, what is the velocity of the object when it hits the ground? (Remember that the velocity is downward) i got -29m/s is this correct?

80. ## Chemistry

if 3.00 g of iron metal are reacted in a calorimeter with a heat capacity of 500 J/ degrees Celsius, what would be the final temperature of the calorimeter if its initial temperature were 23.0 C?

81. ## Chemistry

if 3.00 g of iron metal are reacted in a calorimeter with a heat capacity of 500 J/ degrees Celsius, what would be the final temperature of the calorimeter if its initial temperature were 23.0 C?

82. ## physics

A 2130-kg space station orbits Earth at an altitude of 455 km. Find the magnitude of the force with which the space station attracts Earth. The mass and mean radius of Earth are 5.98 × 1024 kg and 6370 km, respectively

83. ## statistics

An automatic machine that fills bags of unpopped popcorn is operating properly if the weights are independently and normally distributed with a mean of 114 grams and a standard deviation of 4.9 grams. Find the probability that if 7 bags are randomly

84. ## pre cal

At a distance of 100 feet, the angle of elevation from the horizontal ground to the top of a building is 42 degrees. Find the height of the building

85. ## Math

What value of b makes the equation below true? b+1/4=12/12 Please show work Thanks

86. ## Physics

A 6.00 Kg box is sliding across the horizontal floor of an elevator. The coefficient of kinetic friction between the box and the floor is 0.360. Determine the kinetic frictional force that acts on the box when the elevator (a) is stationary (b)

87. ## PHYSICS (CHECK WORK)

Can somebody please check my work. I got part a right, but my answer for part b is wrong. (a) Calculate the absolute pressure at the bottom of a fresh-water lake at a depth of 25.6 m. Assume the density of the water is 1.00 103 kg/m3 and the air above is

88. ## Math

PQRS is a cyclic quadrilateral and angle(pqr)-80 degree,what is the value of angle (rsp)?

89. ## calculus

a particle is moving counterclockwise around the circular path whose equation is x^2+y^2=100 of the abscissa of the particle is increasing by 72in/sec at a point where x=8 find the rate of changeof the cordinate(y) at this point

90. ## physics

A green 4 kg toy car with a speed of 5 m/s collides head-on with a stationary yellow 1-kg car. After the collision, the cars are locked together with a speed of 4 m/s. How much kinetic energy is lost in the collision? a. what is the kinetic energy of the

91. ## Science

Many portable gas heaters and grills use propane, C3H8(g), as a fuel. Using standard enthalpies of formation, calculate the quantity of heat produced when 11.90 g of propane is completely combusted in air under standard conditions. I got -600 kj but its

92. ## Physics

Suppose the surface (radius = r) of the space station in the figure is rotating at 38.6 m/s. What must be the value of r for the astronauts to weigh one-half of their earth-weight?

93. ## physics

A large balloon of mass 237 kg is filled with helium gas until its volume is 318 m3. Assume the density of air is 1.29 kg/m3 and the density of helium is 0.179 kg/m3. (b) Calculate the buoyant force acting on the balloon.________N (c) Find the net force on

94. ## Math

A fishing boat leaves port at 11 miles per hour at a bearing of 210 degrees for 2 hours, then turns to a bearing of 250 degrees at 8 miles per hour for 4 hours, and finally changes to a bearing of 280 degrees at 7 miles per hour for 2 hours. At this point,

95. ## History,Art

I need to find a picture of 2 paintings: Crimson Rambler by Philip Hale and Automat by Edward Hopper. I also need some assistance with this assignment involving these two paintings. I have to outline a story I would write about the woman in the

96. ## physics

If an object is dropped from a tall building and hits the ground 3.0 s. later, what is the magnitude of the object's displacement in 1.0 s.; in 2.0 s.? for 1.0s i got 9.8 for 2.0s i got 20. is this correct?

97. ## science

Assume an average human cell has a cell cycle of 20 hours. Calculate how many cells there would be after 80 hours.

98. ## SCIENCE 9 URGENT!!

i wrote these questions before but no one helped me so im writing them again 1. a.) name the structures of the male reproductive system that sperm do not travel through. b.) what is the name given to these structures? 2. Name the other body system that the

99. ## science

How do I draw a diagram showing how ear defenders work?

100. ## math

In an electrical circuit, the current passing through a conductor varies inversely with the resistance. Suppose that when the current is 2A (amperes), the resistance is 115ohms. What is the resistance when the current is 5A ?

101. ## math

- Juwan and Jake both have money in their pockets. If Juwan gave Jake 15 cent then they both would have the same amount of money. However, if Jake gave Juwan 15 cent , then Juwan would have 5 times as much money as Jake would have. How much money do Juwan

102. ## Geometry

In a garden, a birdbath 2ft 6 in. tall casts an 18-in. shadow at the same time an oak tree casts a 90-ft shadow. How tall is the oak tree?

103. ## Algebra

At the out-rage concert, 723 tickets were sold for \$3/student and \$5/nonstudent. the benefit raised \$2815. How many non-student tickets were sold

104. ## Dressmaker

when paper pattern pieces are dovetailed in a cutting layout, they're placed so they?

105. ## English

When in the book does does Huck show care for someone elses welfare? What page?

106. ## math

Of the 15 teams in the National Hockey League Eastern Conference, three of them are based in canadian cities. Each year, eight of these teams qualify for the playoffs. Assuming that all the 15 teams have an equal chance of getting into the playoffs, what

107. ## math

Mercury has a density of 13.6 g/cm^3. What is the specific gravity of mercury? A. 13.6 g B. 13.6 cm C. 13.6 cm^3 D. 13.6

108. ## Physics HELP!

A simple pendulum consists of a small object of mass 7.40 kg hanging at the end of a 2.10 m long light string that is connected to a pivot point. (a) Calculate the magnitude of the torque (due to the force of gravity) about this pivot point when the string

109. ## physics

The National Aeronautics and Space Administration (NASA) studies the physiological effects of large accelerations on astronauts. Some of these studies use a machine known as a centrifuge. This machine consists of a long arm, to one end of which is attached

110. ## physics

calculate the period of a ball tied to a string of length 1.9 m making 1.5 revolutions every second

111. ## science

Calculate the heat of combustion of this wax in kJ/mol. How much energy is produced per carbon? What is the limiting reagent? I have the Q=m*C*deltaT equation to be 10460.45 joules using 100.1 grams C25H52, 25 degrees C, and 4.18 J/gC. I don't know how to

112. ## latin

what is a derivative of regina

113. ## math

alan scored a total of 14 points for answering all 15 questions on a math quiz for every correctly answered question alan got 2 points for every wrong ahe lost 2 points how many questions did he answer correclty

114. ## Maths

A car showroom had 10y cars, 20y motorcycles and 18 vans. In a particular month, 4y cars , 3y motorcycles and 15 vans were sold. a.) Find the total number of wheels on the remaining vehicles in terms of x. b.) If y=21, how many wheels were there? An indoor

115. ## Math

is 12x12=144?

116. ## UT

At STP a sample of neon gas occupies 502 cm3. How many moles of neon gas does this represent? answer in mols

117. ## chemistry

Suppose you have 0.500 M sucrose stock solution. How do you prepare 250 mL of 0.348 M sucrose solution ?

118. ## physics

2) Tube (b) is also filled with water, A1 is 0.05m2 and A2 is 0.08m2 Two pistons are placed in both ends of the tube and forces, F1 and F2 are exerted on the pistons so that they remain at the same height. If F1 = 20N what is F2? (I got the answer to this

119. ## math

D angle of elevation of a building frm a measuring instruments placed on d ground is 30 degree if d building is 40m high, how far is d instrument frm d foot of d building.

120. ## statistics

Of the 15 teams in the National Hockey League Eastern Conference, three of them are based in canadian cities. Each year, eight of these teams qualify for the playoffs. Assuming that all the 15 teams have an equal chance of getting into the playoffs, what

121. ## physics

What is the terminal speed for an 79.0kg skier going down a 42.0 snow-covered slope on wooden skis uk = 0.060 Assume that the skier is 1.60m tall and 0.500m wide.

122. ## Physics

A block is hung by a string from the inside roof of a van. When the van goes straight ahead at a speed of 31 m/s, the block hangs vertically down. But when the van maintains this same speed around an unbanked curve (radius = 145 m), the block swings toward

123. ## Statistics

Let’s suppose a randomly selected sample of 75 American teenagers watches an average of 1472 hours of television per year with a standard deviation of 250 hours. Construct the 95% confidence interval (CI) for the mean number of hours American teenagers

124. ## science

what does low pressure over land and high pressure over water form? A)a sea breeze C)global wind B)a land breeze D)a front My answer is A), am i right? if not please tell me why and your answer.

125. ## physics

A satellite is in a circular orbit about the earth (ME = 5.98 1024 kg). The period of the satellite is 4.20 104 s. What is the speed at which the satellite travels?

126. ## Math

A fishing boat leaves port at 11 miles per hour at a bearing of 210 degrees for 2 hours, then turns to a bearing of 250 degrees at 8 miles per hour for 4 hours, and finally changes to a bearing of 280 degrees at 7 miles per hour for 2 hours. At this point,

127. ## math

a mufffin recipe calls for 1 3/4 cups of sugar. How many cups of sugar are needed if only 1/4 of the recipe is being made?

128. ## physics

In designing rotating space stations to provide for artificial-gravity environments, one of the constraints that must be considered is motion sickness. Studies have shown that the negative effects of motion sickness begin to appear when the rotational

129. ## physics

Determine the moment of inertia for three children weighing 57.0 lb, 42.0 lb and 78 lb sitting at different points on the edge of a rotating merry-go-round, which has a radius of 12 ft.

130. ## Physical Science

A truck whose bed is 2.5m long, 1.5m wide, and 1m high is delivering sand to a construction site. How many trips must the truck make to deliver 7? cubic meters of sand? Plese explain your answer.

131. ## math

a figure is made up of two identical triangles a 15 inch by 12 inch rectangle and a square of side 19 inchs what is the lenght of one side of each triangle if all the sides of the triangles are equal in lenght

132. ## math HELP!!!!!!!!!

1. Given a scale factor of 2, find the coordinates for the dilation of the line segment with endpoints (–1, 2) and (3, –3). (1 point)(–2, 4) and (6, 6) (2, 4) and (6, 6) (–2, 4) and (6, –6) (2, –1) and (–3, 3)

133. ## d

Calculus help!!Suppose an earthquake is measured with a magnitude of 6 on the Richter scale with an error of at most 2%. Use differentials to find the error in the intensity of the earthquake

134. ## Math

Determine how much money will be in a savings account if the initial deposit was \$1000 and the interest rate is 4% compounded continuously for 15 years, 6 months.

135. ## math

A fishing boat leaves port at 11 miles per hour at a bearing of 210 degrees for 2 hours, then turns to a bearing of 250 degrees at 8 miles per hour for 4 hours, and finally changes to a bearing of 280 degrees at 7 miles per hour for 2 hours. At this point,

136. ## Physics

A 60 mm mortar round is capable of being launched at 540 km/hr. If a target is located at a distance of 0.6 km and the mortar takes 7.5 s to reach the target, at what angle must the launcher be set to hit the target?

137. ## Math perimeter

How many inches of matting are needed to frame an 8in by 11 in print? 38?

138. ## Physical Science

A truck whose bed is 2.5m long, 1.5m wide, and 1m high is delivering sand to a construction site. How many trips must the truck make to deliver 7? cubic meters of sand? Plese explain your answer.

139. ## math

On a cold winter day, the temperature is -10.0º C. What is the reading on the Fahrenheit scale? A. 10.0 oF B. 12.0 oF C. 13.0 oF D. 14.0 oF I say A

140. ## math

how do you do anarrays and an expanded algorithm problem find each partial product then add to find the product. 29 x47 -------- ()() ()()() ()()() + ()()() -------- ()()()()

141. ## ipc

A hailstone traveling with a velocity of 43 meters/second comes to a virtual stop 0.28 seconds after hitting water. What is the magnitude of its acceleration in the water?

142. ## math one

The points (0, -5) and (x, y) have a slope of 0. What could be the coordinates of the point (x, y)?

143. ## Physics

John’s mass is 81.0 kg, and Barbara’s is 62.4 kg. He is standing on the x axis at xJ = +9.41 m, while she is standing on the x axis at xB = +4.34 m. They switch positions. How far and in which direction does their center of mass move as a result of the

144. ## Math

A farmer has 20 pigs ans sheep.he has 6 fewer sheep than pigs. How many pigs does he have?

145. ## math

Sally is making cookies. To make a dozen cookies, she needs 1/4 cup brown sugar. How many cups of brown sugar does Selena need to make 4 2/3 dozen cookies?

146. ## math

Jack and Jill wash a car at the same rate . Working together it takes them an hour and 10 minutes to wash a car. One day jack started washing a car by himself at 2:30 p m. When he was half way done , Jill joined him . What time did they finish washing the

147. ## pre-calc help !!!!!!!

1)tan^2x=3 ? 2)tan x sin^2x=tan x ? 3)2cosx sinx - cos x=0

148. ## Multiplying and Dividing Decimals

Sam and 3 friends ate lunch at Red Lobster. They decided to split the bill evenly. The total bill was \$71.80. How much was each person's share? *Note: Please do not just give me the answer, but also show me how said answer was achieved and the steps to

149. ## math

the figure is made of two identical triangles a 15 inch by 12 inch rectangle and a square of side 19 inches what is the length of one side of each triangle if all the sides of the triangles are equal in length

150. ## math

what is the mass of 12.0 ml of a substance with the density of 0.922 g/cm3? A. 1.11g B. 0.11g C. 11.1 g I think C.

151. ## math URGENT!!!!!!!

a rectangular sheet of paper is folded in half, with the crease parallel to the shorter edge. it happens that the ratio of longer side to shorter side remains unchanged. what is this ratio? answer this and explain how u got the answer.. PLEASE??!

152. ## Calculus 2

The pressure P of a gas is related to its volume V by the formula P=k/V where k is a constant. A quantity of gas with an initial volume of 1 cubic meter and a pressure of 2.5 newtons per square meter expands to a volume of 16 cubic meters. Find the work

153. ## Statistics

The value of the correlation coefficient can be between 0 and 1.True or false?

154. ## Physics

Two blocks of masses m1 = 2.00 kg and m2 = 4.50 kg are each released from rest at a height of y = 5.80 m on a frictionless track, as shown in the figure below, and undergo an elastic head-on collision. (a) Determine the velocity of each block just before

155. ## Algebra II

John can clean an attic in 11 hours. DeShawn can clean the same attic in 17 hours. If they worked together how long would it take them? Please solve and show the work. Rounding the answer to the nearest hundredth.

156. ## math

I am a digit in each of the numerals: 756 657 576. My value is different in all three numerals. What digit am I? What value do I stand for in each numeral?

157. ## Calc II

Use the comparison or limit comparison test to decide if the following series converge. Series from n=1 to infinity of (4-sin n) / ((n^2)+1) and the series from n=1 to infinity of (4-sin n) / ((2^n) +1). For each series which converges, give an

158. ## Calculus(Urgent help)

f(x)=x^3-3x^2+3x+1 near 2 (at a=2) A. Use Linear approximation to approximate. b.is this underestimate or overestimate? Justify answer. C.Approximate f(2.25) using the linear approximation and compare the answer with the exact value. Thanks.

159. ## Chemistry Bobpursley

Please choose the correct option to complete the following statements. (6 marks) a) If a large amount of base is added to water, the pH of resulting solution would most likely Increase/decrease/remain the same Explain your choice b) If a small amount of

Homework - Draw a cartoon that represent a solid, liquid, and a gas. I'm struggling with this assignment, please help me!!!!

161. ## science

How much total work is done by 450-N girl who lifts a 52-N backpack 1.2m to her shoulders and then climbs a ladder 3.0m high?

162. ## Statistics

Lead (Pb) concentrations were measured in waterfowl eggshell samples from two locations. In n1 = 41 samples from a location downstream from a paper mill, the mean Pb concentration was 1 x = 0.13 ppm with a standard deviation of s1 = 0.04 ppm. In n2 = 31

163. ## Math

What value of b makes the equation below true? b+1/4=12/12 Please show work Thanks

165. ## algebra

Camille can swim against the current at 1.5m/s and with the current at 3.5m/s. Write and equation that expresses each fact. How fast can she swim in still water?

166. ## Chemistry

The following questions relate to acid base reactions. a) What type of reaction is said to occur when an acid reacts with a base.? ……………………………… b) What are the general products of such a reaction? i.e. An acid + a base produces

167. ## Grammar and capitalization

Select the sentence with the correct capitalization. A) The Oregon state fair is held in western Oregon. B) The Oregon state fair is held in Western Oregon. C) The Oregon State Fair is held in western Oregon. I answered C

168. ## Physics

A racetrack has the shape of an inverted cone, as the drawing shows. On this surface the cars race in circles that are parallel to the ground, and the surface is at an angle è = 20°. For a speed of 40 m/s, at what value of the distance d should a driver

169. ## Chemistry

Energy Level Transfer of Hydrogen's electron. For each line, determine the prinicpal energy level to which hydrogen's electron was excited. When the electron fell to the 2nd level, energy was released corresponding to each of the lines. E= 2.179X10-18

170. ## Physics

An 7.5 crate is pulled 5.4 up a 30 degree incline by a rope angled 19 degrees above the incline. The tension in the rope is 130N and the crate's coefficient of kinetic friction on the incline is 0.24. How much work is done by tension? by gravity? by the

171. ## Chemistry

Please choose the correct option to complete the following statements. (6 marks) a) If a large amount of base is added to water, the pH of resulting solution would most likely Increase/decrease/remain the same Explain your choice b) If a small amount of

172. ## Math

a certain state's lottery game, lotto, is set up so that each player pays \$1 per ticket and chooses six different numbers from 1 to 49. if the six numbers chosen match the six numbers drawn each Saturday evening, the player wins the top cash prize. the

173. ## physics

While polishing a 1-kg brass statue, you do 760 J of work against sliding friction. Assuming that all of the resulting heat flows into the statue, how much does its temperature rise?

174. ## Chemistry

If an object weighs 1.32 g/mL will it float or sink in water?

175. ## chemistry

If a saline solution has a concentration of 0.25 g per mL, calculate the following. a) The concentration of this solution in %w/v. b) The concentration of this solution in grams per litre (g/L). c) The concentration of this solution in milligrams per mL

1. 0.003 as a percent 2. 0.00007 as a percent My answers: 1.0.03% 2. 0.0007%

177. ## Grammar and capitalization

Select the sentence with the correct capitalization. A) Most radiology departments are hectic. B) Most Radiology Departments are hectic. C) Most Radiology departments are hectic. I answered A

178. ## Physics

A freight train has a mass of 1.7 × 10^7 kg. If the locomotive can exert a constant pull of 5.2 × 10^5 N, how long would it take to increase the speed of the train from rest to 74.6 km/h? Disregard friction. Answer in units of s

179. ## physics

If you drop a 4 pound watermelon and a 2 pound cabbage the same distance, in a vacuum, what will happen?

Can you give me links to these questions please? What did the Telegraph Lead to? What was life like after the Telegraph? Positive and negative Impacts of the Telegraph

181. ## Physics

A rubber ball (mass 0.30 kg) is dropped from a height of 2.0 m onto the floor. Just after bouncing from the floor, the ball has a speed of 3.9 m/s. (a) What is the magnitude and direction of the impulse imparted by the floor to the ball? MAGNITUDE: 3.05 kg

182. ## physics

You set out to design a car that uses the energy stored in a flywheel consisting of a uniform 97-kg cylinder of radius R that has a maximum angular speed of 330 rev/s. The flywheel must deliver an average of 1.70 MJ of energy for each kilometer of

184. ## physics

Find the resultant, in magnitude and direction of a force of 40 N which makes an angle with the + X axis of 38o and a force of 20 N acting along the + X axis. Find the x and y components of the resultant and express them as i and j vectors.

185. ## math

A square is 9in on each side what is the perimeter 36? A rectangle is 2 width 9 height what is the perimeter 22? A figure is 7km width 9 km height 2km 4km 7km and 3 km what is the perimeter? 32?

186. ## McKay

website to help identify physical or mental action verbs?

187. ## Arrays and an expanded algorithm

use the grid to draw a rectangle. Then complete the calculation. 30 x19

188. ## Grammar and capitalization

Select the sentence with the correct capitalization. A) She had cushingoid features. B) She had Cushingoid features. C) She had Cushingoid Features. I answered B

189. ## math

Given a scale factor of 2, find the coordinates for the dilation of the line segment with endpoints (–1, 2) and (3, –3). (1 point) (–2, 4) and (6, 6) (2, 4) and (6, 6) (–2, 4) and (6, –6) (2, –1) and (–3, 3)

190. ## physics

The blade of a windshield wiper moves through an angle of 90.0° in 0.31 s. The tip of the blade moves on the arc of a circle that has a radius of 0.59 m. What is the magnitude of the centripetal acceleration of the tip of the blade?

191. ## physics

A charge of +Q and a charge of +2Q are separated by a distance r. The electric force of +2Q on +Q has a magnitude of F and is directed to the right. Which one of the following statements is correct regarding the electric force of +Q on +2Q?

192. ## physical science

Johniece jogs 7 feet then turns 90 degrees and jogs 2 feet. What is the distance and the displacement ?

193. ## math

what is the specific gravity of a substance that has a density of 1.59 g/cm3? A. 1.59 g/mL B. 1.59 g C. 1.59 D. 1.59 mL I think B.

194. ## Physics

A stone has a mass of 6.00 10-3 kg and is wedged into the tread of an automobile tire, as the drawing shows. The coefficient of static friction between the stone and each side of the tread channel is 0.73. When the tire surface is rotating at a maximum

195. ## Math

The radius of Earth is 3,959 miles. A spacecraft orbits 6 miles above the surface of Earth. The spacecraft completes 220° of a revolution around Earth in one day. What is the average speed of the spacecraft?

196. ## algebra

joe has a collection of nickles and dimes that is worth \$6.10. If the number of dimes was tripled and the number of nickles was increased by 49, the value of coins would be \$18.95.how many nickles and dimes does he have?

197. ## College Algebra

How much money would you have to invest at 8% compounded semiannually so that the total investment has a value of \$2,280 after one year?

198. ## english

The strategies we use when reading informational texts are ________as/from when we read literary texts.

In the following poem I need to know examples of assonance in lines 1-4 1. There once was a cowboy named Ray 2. Who never had that much to say 3. Except for the times 4. Stampedes stopped on a dime 5. When that cowboy named Ray hollered "hey"

200. ## math

how do you know when you have found all the factors of a numbers?

201. ## math

a cook needs 1 1/2 cups of sugar. the cook has 3/8 cup. how many more cups of sugar does the cook need

202. ## Math perimeter

Jessica wants to put a fence around her 10 ft by 13 ft rectangular garden how many ft of fencing will she need 46?

203. ## Grammar and capitalization

Select the sentence with the correct capitalization. A) I like to watch my grandchildren open gifts on Christmas morning. B) I like to watch my Grandchildren open gifts on Christmas morning. C) I like to watch my grandchildren open gifts on Christmas

204. ## Chemistry

For each of the bonds listed below use hybridized orbitals to classify the type of sigma bond that is formed between the two atoms. a) The sigma bond between boron and hydrogen in BH3 answer: sp^2 - p b) the sigma bond between S and fluoride in SF4.

205. ## physics

A disk with a mass of 16 kg and a radius of 41 cm is mounted on a frictionless horizontal axle. A string is wound many times around the disk and then attached to a 70-kg block, as shown in the figure. Find the acceleration of the block, assuming that the

206. ## Statistics

Body masses were measured for five female and five male adult Anolis lizards. Test the hypothesis of no difference in mean body mass of females and males versus the alternative that a difference exists. Use a 5% level of significance. Body Mass (g):

208. ## Math

A 2.5 ton truck stops and a 1300 pound car slams the brakes and skids 26 feet and hits the truck at 40 mph pushing the truck a foots length. how fast was the 1300 pound car traveling?

209. ## Math

Andrea sells tickets at the Showtime Cinema. On Thursday night, Back to the Future was playing. Adults, senior citizens and children bought tickets at the following rates: Adults \$5.00 Senior Citizens \$1.00 Children \$.10 Andrea sold 100 tickets worth \$100.

210. ## math

In an electrical circuit, the current passing through a conductor varies inversely with the resistance. Suppose that when the current is 2A (amperes), the resistance is 115ohms. What is the resistance when the current is 5A ?

211. ## Physics

For a single movable pulley with a mechanical advantage of 2, how much rope must be pulled to lift a 150 neuton load 2 meters above the ground?

212. ## math

Solve the following and express the answer in scientific notation: (5.4 x 10^4) - (2.5 x 10^6) A. -2.45 x 10^6 B. 2.45 x 10^6 C. -2.45 x 10^8 D. -2.44 x 10^2 I say D

213. ## Physics

On a banked race track, the smallest circular path on which cars can move has a radius of 115 m, while the largest has a radius 165 m, as the drawing illustrates. The height of the outer wall is 18 m.

214. ## statistics

A normal distribution has a mean of 100 and standard deviation of 20. What is the probability of randomly selecting a score less than 130 from this distribution? a, p=0.9032 b, p=0.9332 c, p=0.0968 d, p=0.0668

215. ## Maths - Integration by parts

Integral x^2 sin(x) dx

216. ## Pre-Algebra Help Ms. Sue Please!!!

Given a scale factor of 2, find the coordinates for the dilation of the line segment with endpoints (–1, 2) and (3, –3). A.(–2, 4) and (6, 6) B.(2, 4) and (6, 6) C.(–2, 4) and (6, –6) D.(2, –1) and (–3, 3)

217. ## Grammar and capitalization

Select the sentence with the correct capitalization. A) While driving his Mercedes down Main Street, he was rear-ended by a Toyota. B) While driving his Mercedes down Main street, he was rear-ended by a Toyota. C) while driving his mercedes down Main

218. ## Algebra

What is the rule?? INPUT OUTPUT ______ 12 9 ______ ______ 6 ______ 16 7 _______

219. ## math

How many inches of matting are needed to frame an 8 in by 11 in print 38in?

220. ## math

Solve the following and express the answer in scientific notation:(3.5 x 10^6 / (4.2 x 10^8) A . -8.3 X 10^-3 b. 8.3 X 10^3 c. 8.3 X 10^-2 d. 8.3 X 10^-3 I say A

221. ## math

beth and lewis buy the same amount of fish pellets if beth feeds her fish 14 fish pellets each day a container of pellets will last 20 days if lewis feeds his fish 8 fish pellets eah day how many more days will the container of pellets last lewis

222. ## Lang Atrs

3. Read the following lines from “Fable for When There’s No Way Out”: “Despair tempts him / to just go limp.” What is the best interpretation of these lines? a. The chick is angry at how difficult it is to break free from his shell. b. The chick

223. ## Science

What effect will decrese plant growth have on oxygen and carbon dioxide in the atmosphere?

224. ## Persuasive Wrtiting

Teen Moms: Aren’t Ready Did you know that three out of ten teen girls in the U.S. will get pregnant at least once at the age of nineteen or younger, so if you totaled that up, it is about 750,000 pregnancies each year? Ninety-percent of teenagers won’t

225. ## Chemistry

What role does a catalyst play in a chemical reaction in terms of rate and yield

226. ## algr.2

Convert to slope/intercept form (y=mx+b) and find slope y =a/b. 1.3X-2y=14 2. 12X=4y-8. 21-6x=-3y

227. ## algebra

use polynomial long division to divide -20x^3 -10x^2 -16x -8 by -5x^2 -4

228. ## science- geology

I have to draw a topographical map on poster board of an imaginary island. It must have 2 mountains, 12 MI apart, one with a benchmark of 1510 ft and the other of 1075 ft. We must include 2 streams, one that flows down the larger lake into the ocean, the

229. ## math

Sort these numbers. Describe your sort rule. 5 10 16 19 24 37 40

230. ## math

a rectangular solid has a volume of 640 cubic units. the width is 3 units more than the height and the length is 1 unit more than three times the height. find the dimensions of the solid.

231. ## Physics

What is one way in which the magnetic field is similar to the electric field and one way in which the magnetic field is different from the electric field?

232. ## Physics practical

1)explaind the meaning of young modulus 2)what do you understand by the modulus of elasticity of a cantilever{practically} 3)what are the precautions observed when performing a cantilever practical 4)what is the conclusion from the practical please answers

233. ## English

They worked in the garden, but they worked wrong? What did they dod wrong? (Is the sentences grammatical? Do we have to use 'wrongly' instead of 'wrong'?)

234. ## Trig

Give: a=alpha B=beta csc a= 2 pi/2

235. ## math

a frog sat on a number line, it was on the number 18. it made two equal hops and anded at 0. where did it land first?

236. ## Physics

If an object is thrown in an upward direction from the top of a building 1.60 x 102 ft. high at an initial velocity of 21.82 mi/h, what is its final velocity when it hits the ground? (Disregard wind resistance. Round answer to nearest whole number and do

237. ## grammar

Should this be two sentences or one? I know second is a transition, but not sure it is a conjunction... First he asked to who I was e-mailing second he wanted to know who had ridden a motorcycle down the alley.

238. ## Grammar and capitalization

Select the sentence with the correct capitalization. A) I think Dad will be working late all fall quarter. B) I think Dad will be working late all Fall quarter. C) I think dad will be working late all fall quarter. I answered C but feel that A could be

239. ## math

If the density of 1.77 grams of gold is 19.3 g/mL, what is the volume

240. ## math

If 5/17 of a región is shaded how much isnt

241. ## geometry

abc is an iscsceles triange. ab is the longest side with egnth 4x+4. bc=8x+3. find ab

242. ## English

In Huckleberry Finn when does Jim act as a father to Huck? What chapter or page is this on?

243. ## Dimension Personal Education

Select the sentence that does not have pronoun-antecedent error. 1. Most moviegoers like to bring his owm snacks to save money. 2. Most moviegoers like to bring their own snacks to save money.

244. ## Statistics

Lead (Pb) concentrations were measured in waterfowl eggshell samples from two locations. In n1 = 41 samples from a location downstream from a paper mill, the mean Pb concentration was 1 x = 0.13 ppm with a standard deviation of s1 = 0.04 ppm. In n2 = 31

245. ## General Chemistry.

The absorbance of a chlorophyll a standard solution in ethanol (density = 0.785 g/mL) is measured in a 1.3 cm cuvette or path length. The absorbance is 0.765 and the molar absorptivity coefficient is 86,300 M–1cm–1. The molecular weight for chlorophyll

246. ## math

if the density of .88 grams of mercury is 13.6 g/ml, what is the volume? A. 0.065 mg B. 0.065 C. 0.065 ml D. 0.065 L I think its C.

247. ## Science

A 50N- force was applied to a 10kg ball. Find the acceleration of the ball

248. ## math

i'am a four digit numeral between 3000 and 4000.My ones digit is 2 greater than my thousands digit. the two digits are the same. If the sum of my digit is, 20, what number am i in roman numeral?

249. ## math

In an electrical circuit, the current passing through a conductor varies inversely with the resistance. Suppose that when the current is 2A (amperes), the resistance is 115ohms. What is the resistance when the current is 5A ?

250. ## Maths - Integration by Parts

Question 1 ç e^2x Cos(4x) dx Question 2) ç ãx sin(x) dx Question 3) ç x^2 sin(x) dx

251. ## math

what is the mass of 1.00 L of ethanol? Ethanol has a density of 0.798 g/ml. (hint: one liter is 10^3 mL.) A. 0.789 g B. 789 g C. 789 L I think C

252. ## physics

If an object is thrown in an upward direction from the top of a building 1.60 x 102 ft. high at an initial velocity of 21.82 mi/h, what is its final velocity when it hits the ground? (Disregard wind resistance. Round answer to nearest whole number and do

253. ## Algebra 2

D-R=1550+42t-15t=1550=27t

254. ## PHYSICS

What will be the final temperature if 1.9 x 10^2 kJ of heat is added to 0.5 kg of ice at 0 deg. C?

255. ## Physics practical

1)explaind the meaning of young modulus 2)what do you understand by the modulus of elasticity of a cantilever{practically} 3)what are the precautions observed when performing a cantilever practical 4)what is the conclusion from the practical

256. ## math

if 3x+5y=k than what values could k have so that the x intercept and y intercept of the equation's graph would both be integers? explain.

257. ## Math

The sum of four consecutiv multipl of 4 is 120.find these multipls. Plz gve me sltn

258. ## College Physics

The electric motor of a model train accelerates the train from rest to 0.660 m/s in 31.0 ms. The total mass of the train is 650 g. Find the average power delivered to the train during its acceleration.

259. ## math

whats the slope of x+8y=5

260. ## math perimeter

A rectangle is 29in width and 14 in height what is the perimeter 86? A rectangle is 11yd width and 13 yd height what is the perimeter 48? A square is 4 in on each side what is the perimeter 16?

261. ## math

Solve the following and express the answer in scientific notation: (5.4 x 10^4) x (4.5 x 10^8) A. 2.4 x 10^10 B. 24 x 10^11 C. 24 x 10^12 D. 2.4 x 10^3 I say D

262. ## math

A bag of potatoes weighs 3 7/16 pounds. if the average potato weighs 3/16 pound, about how many potatoes are in the bag? Do I divide 3 7/16 by 3/16 therefore 3 7/16 X 16/1 55/16 X 16/1 = 55 potatoes?

263. ## Economics

Can someone please help me know why Kenya is currently in a trade deficit? I don't know which imports exceed the value of exports. Thanks

264. ## math

Sally does 42 push ups in 2 minutes. What is the unit rate expressed as a fraction?

265. ## math algebra

Mrs. martinez has \$10,000 to invest.One bank offers her a return of 7.5% on the whole sum. Another bank offers her a return of 8% on part of the sum, and 6% on the rest of the sum. How much of the \$10,000 would need to be invested at 8% at the second bank,

266. ## Chemistry

Find the energy( in KJ) of a wave with the wavelength of 507 nm. First, I turn the 507 nm into meter then divide the speed of light by it which give me the frequency. Then I take the frequency and multiply by the planck. Then I would convert the Joule to

267. ## math

I am a digit in each of the numerals: 756 657 576. My value is different in all three numerals. What digit am I? What value do I stand for in each numeral?

268. ## Physics

A computer is reading data from a rotating CD-ROM. At a point that is 0.035 m from the center of the disc, the centripetal acceleration is 122 m/s2. What is the centripetal acceleration at a point that is 0.064 m from the center of the disc?

269. ## math

Solve the following and express the answer in scientific notation: 10^3 x 10^4. A. 10-^1 B. 10^1 c. 10^6 D. 10^7 I say D

270. ## Chemistry

If we have solution of 4g CH3COONa and 4g NaOH obtained NaCl with efficiency 90% we have to calculate pH oh Nacl and we know that Ka= 1.8x10ˆ-5. Pleas help me i have exam tnext weak Im strudent but I don't undestant this???

271. ## english

where can I get a comparism and contrast for the perils of indifference and the power of non-violence

272. ## math

Convert 1,144 oF to oC A. 617.8 B. 617.8 oC C. −617.8 oC D. −617.8 I say B

273. ## math

The melting point of helium is -272.2 oC. Express this temperature in kelvins. A. -272 K B. -8.0 K C. 0.8 K D. 545 K I say D.

274. ## Math

Find the absolute maximum value and the absolute minimum value, if any, of the function. (If an answer does not exist, enter DNE.) f(x)=x^3+3x^2-1 on [-3,1]

275. ## physics

If an object is thrown up at an initial velocity of 9.8 m/s, what would be the magnitude of the final velocity upon impact with the ground? im doing an online class and i don't have a book so if you could explain some of the question that would be great

276. ## math

Solve the following and express the answer in scientific notation: 10^3 x 10^4 x 10^-2 A. 10^5 B. 10^6 C. 10^7 d. 10^8 I say A

277. ## Maths -Integration by parts

Intergral square root of x sin(x) dx

278. ## fractions from least to greatest

can you list 3/4, 3/5, and 5/6 from least to greatest

279. ## math

what is an equivalent fraction to 3/8 where the greatest demonimator is less than 1000

280. ## Grammar and capitalization

Select the sentence with the correct capitalization. A) The patient, who claimed to be an "ex-Christian" cried out, "praise God," once the pain medication kicked in. B) The patient, who claimed to be an "Ex-Christian" cried out, "Praise God," once the pain

281. ## Math

When finding the perimeter you have to add the sides not multiply right? For example a rectangle is 14 width and 29 height would the perimeter be 86in?

282. ## math

To add numbers using scientific notation, multiply the coefficients and then add the exponents. true or false true

283. ## Physics

Two banked curves have the same radius. Curve A is banked at an angle of 11°, and curve B is banked at an angle of 16°. A car can travel around curve A without relying on friction at a speed of 18.5 m/s. At what speed can this car travel around curve B

284. ## math

Find the absolute maximum value and the absolute minimum value, if any, of the function. g(t)=t/t-2 on[4,6]

285. ## math

If melted butter were poured into a glass of milk and allowed to rest, two distinct layers would be visible. How would these layers appear? A. The melted butter would lie above the layer of milk because butter is less dense than milk. B. The melted butter

286. ## Algebra

can 3x=5x be solved?

287. ## Persnal Dimension of Education

True or False Subjuect pronouns include me, her, him, and them.

288. ## Personal Dimension

Select the sentence that has correct pronoun usage.... 1. Julie plans to travel this summer with Oscar and me. 2. Julie plans to travel this summer with Osar and I.

289. ## Health

how would you support a client who is frighted of the dark

290. ## english

The location of prospero's island is never given but what kind of place is it ? Design a simple set to suggest the various locations where the action takes place , so that the scene changes quickly.

291. ## math of investment

I need a prayes that is related to the terms of mathemetics of investments. please! thank you!

292. ## algebra

If a stone is tossed from the of a 310 meter building, the height of the stone as a function of time is given by h(t)= 9.8t^2 -10t +310

294. ## math

if i shot 621 balls and made 474 what is my percentage

295. ## math

if i shot 287 balls and made 237 what is my percentage

296. ## algebra

how can you tell by looking at the coordinates of a point whether the point is on the x axis or y axis?

297. ## physics

If an object is thrown up at an initial velocity of 9.8 m/s, what would be the magnitude of the final velocity upon impact with the ground? im doing an online class and i don't have a book so if you could explain some of the question that would be great

298. ## Math

Establish the identity by induction 1/1.3 1/2.4 ... 1/n(n 2)

299. ## math

write the answers in simplest form.3/4+5/8 and 3/5+1/10+1/4 and 5/8-3/16+4/3

300. ## Math

dana has a piece of rope that measure 3/4 meter. she used 1/2 of it for project. how much rope did she use?

301. ## math

how can you tell by looking at the coordinates of a point whether the point is on the x axis or y axis?

302. ## budget

which one of the following budget items would probably be considered a fixed expense? A.entertainment B.savings C.clothing D.insurance premiums

303. ## 7/8 Math

what is an irrational number and a rational number?

304. ## math

Find the absolute maximum value and the absolute minimum value, if any, of the function. (If an answer does not exist, enter DNE.) f(x)=x^3+3x^2-1 on [-3,1]

305. ## math

If 5/17 of a región is shaded how much isnt

306. ## social studies

what resources did early native american used

307. ## science

calculate the number of molecules in 200 gm of caco3.

308. ## math

Solve the following and express the answer in scientific notation: (5.3 x 10^4) + (2.2 x 10^3) A. 5.5 x 10^4 B. 7.5 x 10^3 C. 7.5 x 10^7 D. 11.7 x 10^7 I say A

309. ## Math

Find the absolute maximum value and the absolute minimum value, if any, of the function. (If an answer does not exist, enter DNE.) f(x)=x^3+3x^2-1 on [-3,1]

310. ## algebra

given the quadratic function f(x) 4x^2 -24x +36 find the value of x such that f(x)=4

311. ## algebra

what is the smallest common factor other than 1 of the numbers 26 and 36

312. ## Math

The distance btwn two stations A and B is 230km.two motrcyclst start simultaneously frm A & B in opposite directn and the distance btwn them aftr 3hour bcm 20km.if the speed of one motorcyclst is 10km hr les thn that of the other,find the speed of the two

313. ## algebra

rewrite with positive exponents. assume that even roots are of non negative quantities and that all denominators are non zero (4xy^-2)^-2

314. ## Implicit differentiation

implicit differentiation of x^3y^2-5x^2y+x=1

315. ## Grammar and capitalization

Select the sentence with the correct capitalization. A) On Wednesday I am going to go shopping with my Mother. B) On Wednesday I am going to go shopping with my mother. C) On Wednesday i am going to go shopping with my mother. I answered B

316. ## math

using 4 different digits, what is the least sum you can get ehrn you add two 2-digit numbers?

317. ## algebra

there is a circular tank with diameter 7 min a garden. what will be the cost of fixing fountain pipe all around the tank at the rate of \$5 per meter

318. ## math

The temperature of the water around a nuclear reactor core is about 300 oC. what is this temperature in degrees Fahrenheit? A. 27 oF B. 332 oF C. 572 of D. 573 oF I say D

1 - . 4 = 3

320. ## Algebra

3x - 1 = x + 99

321. ## Chemistry

550 mL of Ar at 632mm Hg will occupy what volume at 750mm Hg with the temperature remaining constant?

322. ## math

w-15=-9 w is a variable, I have to find what it equals

323. ## science

what ph is an acid

324. ## visual art

what are the different types of perspective

325. ## Math

The length of a rectangle is 2m more than is its B.find the dimensns of the rctngl if its permtr is 56m.

326. ## algebra

6b+14=-7-b can u help me find out what b stands for in this problem.

327. ## Math

5p+2q=3 7p+2q=11