# Questions Asked onOctober 25, 2012

1. Mac’s farm has a total of 18 horses and 27 cows. What is the ratio of horses to cows in simplest form? (1 point) 6 over 9 18 over 27 2 over 3 three over two 2. A class has 27 students. Fifteen are boys and the rest are girls. What is the ratio of

2. ## physics

A 4.170 kg block of wood rests on a steel desk. The coefficient of static friction between the block and the desk is μs = 0.505 and the coefficient of kinetic friction is μk = 0.255. At time t = 0, a force F = 12.7 N is applied horizontally to the block.

3. ## Gas Law Chemistry

I need help on these two questions: If a certain gas occupies a volume of 16L when the applied pressure is 8.0atm , find the pressure when the gas occupies a volume of 4.0L . A certain gas is present in a 12.0L cylinder at 4.0atm pressure. If the pressure

4. ## Halp me or i fall

Write the number that makes the statement true. 1. 205.5 m = _____ mm (1 point) 205,500 0.2055 20.55 20,550 2. 199.2 km = _____ m (1 point) 199,200 19.92 19,920 0.1992 Use benchmarks to estimate the sum. 3. + (1 point) 2 1 0 Estimate the difference. 4. 6

asked by Mj still livin fake hes death
5. ## physics

The helicopter in the drawing is moving horizontally to the right at a constant velocity. The weight of the helicopter is W = 55600 N. The lift force generated by the rotating blade makes an angle of 21.0° with respect to the vertical. (a) What is the

6. ## math

Look at the table of 9s facts. Can you think of another number pattern in the multiples of 9? Explain

7. ## math

determine between which consecutive integers the real zeros of each function are located. f(x)=3x^3 – 10x^2 + 22x – 4 (I got 0,1) f(x) = x^3 – 12x^2 + 17x – 9 (NO idea) f(x) = x^3 – 9 (I got 8,9) Thanks for the help, I really appreciate it. I

8. ## physics

Only two forces act on an object (mass = 4.00 kg), as in the drawing. Find the magnitude and direction (relative to the x axis) of the acceleration of the object. Ftotal=Sqrt(60^2+40^2)=72.11(N) Angle=tan-1(60/40)= 56.3° (How did you get 56.3°) a=

9. ## algebra

A biologist took a count of the number of migrating waterfowl at a particular lake, and recounted the lakes population of waterfowl on each of the next six weeks. Find the function that models the data as a function of x, the number of weekx. Use the model

10. ## college chemistry

If KHP sample #1 requires 27.30 mL of NaOH solution to reach an endpoint, what volume should be required for samples #2 and #3?

11. ## nutrition

Choose three nutritional labels off of food packaging. Explain the ingredients and how to read each label in terms of calories, protein, carbohydrates, fats, and percentage of daily recommended dietary value. Respond in a short essay format of 200 words of

12. ## Physics

A metallic surface emits electrons when it is irradiated with a yellow light source of power 25 Watts. What happens to the emission of the electrons if one yellow light source is replaced by two violet light sources of same power? The number of emission of

13. ## Chemistry Help

The specific heat of zinc is 0.386 J/g degrees Celsius. How many joules would be released when 454 grams of Zinc at 96.0 degrees Celsius were cooled to 28.0 degrees Celsius.

14. ## Chemistry

Running at a rate of 6 mi/h uses 704 Calories in an hour. Convert this value to (a) calories; (b) kilocalories; (c) joules; (d) kilojoules.

15. ## algebra

The table shows a meteorologists predicted temperatiures for an April day in Washington D.C. Use quadratic regression to find a quadratic model for this data. Use the 24 hour clock to represent times after noon). time predicted temperature(F) 8a.m. 50.68

16. ## Chemistry

Butane, C4H10, is a component of natural gas that is used as fuel for cigarette lighters. The balanced equation of the complete combustion of butane is 2C4H10(g) + 13O2(g)-> 8CO2(g)+ 10H2O(l) At 1.00 atm and 23 degrees Celcius, what is the volume of carbon

17. ## math - still don't get it

Karl piled twelve 1" cubes in three layers on top of a square made with four 1" cubes. What shape is the structure that Karl made? help me with the answer

18. ## physics

A 130 N block rests on a table. The suspended mass has a weight of 63 N. 130 N 63 N µs a) What is the magnitude of the minimum force of static friction required to hold both blocks at rest? Answer in units of N

19. ## Physics

The pulley system shown in the figure is used to lift a 37 kg crate. Note that one chain connects the upper pulley to the ceiling and a second chain connects the lower pulley to the crate. Assume that the masses of the chains, pulleys, and ropes are

An object in equilibrium has three forces exerted on it. A 36 N force acts at 90° from the x axis and a 42 N force acts at 60°. What are the magnitude and direction of the third force?

21. ## Algebra 2

3. Identify the vertex and the axis of symmetry of the graph of the function y = 3(x + 2)2 – 3. (1 point) A- vertex: (2, –3); axis of symmetry: x = 2 B- vertex: (–2, –3); axis of symmetry: x = –2 C- vertex: (2, 3); axis of symmetry: x = 2 D-

22. ## Problem solving:for 3rd grade

Write a real-world problem that you can solve by adding or subtracting.Then give your problem to a classmate to solve.

23. ## Physics

When the pendulum bob reaches the mean position, the net force acting on it is zero. Why then does it swing past the mean position?

24. ## Physics

A river flows due east at 1.42 m/s. A boat crosses the river from the south shore to the north shore by maintaining a constant velocity of 11.9 m/s due north relative to the water. If the river is 389 m wide, how far downstream is the boat when it reaches

25. ## math

a farmer has cows and chickens. he has a total of 20 heads and 64 legs. How much of each animal does he have?

26. ## physics

A person holds a 1.56 baseball in his hand, a distance of 34.0 cm from the elbow joint, as shown in the figure(Figure 1) . The biceps, attached at a distance of 2.75 cm from the elbow, exerts an upward force on the forearm. Consider the forearm and hand to

27. ## Physics

Calculate the force of gravity between a newborn baby of mass 4 kg and the obstetrician of mass 75 kg, who is 0.5 m from the baby. N Which exerts more gravitational force on the baby, Mars or the obstetrician, given that Mars has a mass of 6.4 1023 kg and

28. ## English

Which of the following is an example of indirect characterization? A.“brave Macbeth” B.“worthy gentleman” C.“Bellona’s bridegroom” I'm guessing C, but i'm really not sure. The help is so appreciated.

29. ## physics

A 170 N block rests on a table.The suspended mass has a weight of 52N. What is the magnitude of the minimum force of static friction required to hold both blocks at rest?

30. ## Algebra 1

Select the points that lie on the function h(x) = 3x^2.

31. ## High School Physics

The player kicks a football with an initial speed of v0 = 98 ft/s. Determine the two possible values for the angle of the kick, theta. The distance of the football field is 126 ft. Also determine the corresponding time at each of these two angles.

32. ## College Chemistry

The specific Heat of gold is 0.128 J/g degrees Celsius. How much heat would be needed to warm 250.0g of gold from 25.0 degrees Celsius to 100.0 degrees Celsius

33. ## College Chemistry

Calculate the number of Joules released when 75.0 g of water are cooled from 100.0 degrees Celsius to 27.5 degrees Celsius

34. ## Physics

A rocket ascends from rest in a uniform gravitational field by ejecting exhaust with constant speed u. Assume that the rate at which mass is expelled is given by dm/dt=mk, where m is the instantaneous mass of the rocket and k is a cosntant, and that the

35. ## Physics

What happens to the atomic number of the daughter nucleus if it is formed after the emission of the beta particle? The atomic number remains the same. The atomic number increases by two. The atomic number increases by one. The atomic number decreases by

36. ## General Chemistry

Hospital X-ray generators emit X rays with wavelength of about 15.0 nanometers (nm), where 1 nm=10-9m. What is the energy of a photon in an X ray?

37. ## math calc 2

a cattle trough has a trapezoidal cross section with a height of 1 m and horizontal sides of width 1/2 m and 1 m assume the length of the trough is 10 m. A. how much work is required to pump out the water in the trough? B. if the length is doubled does the

38. ## Chemistry

A 50.0 mL sample containing Cd2 and Mn2 was treated with 49.1 mL of 0.0700 M EDTA. Titration of the excess unreacted EDTA required 17.5 mL of 0.0300 M Ca2 . The Cd2 was displaced from EDTA by the addition of an excess of CN–. Titration of the newly freed

39. ## science

I have made a thermometer which measures temperature by the compressing and expanding of gas in a piston. I have measured that at 100 degrees C the volume of the piston is 20 L. What is the temperature outside if the piston has a volume of 15 L? What would

40. ## Physics!

Two ropes pull on a ring. One exerts a 57 N force at 30.0°, the other a 57 N force at 60.0° (a) What is the net force on the ring? Magnitude __?__N Direction __?__° (b) What are the magnitude and direction of the force that would cause the ring to be in

1. Mac’s farm has a total of 18 horses and 27 cows. What is the ratio of horses to cows in simplest form? (1 point) 6 over 9 18 over 27 2 over 3 three over two 2. A class has 27 students. Fifteen are boys and the rest are girls. What is the ratio of

42. ## Physics

A car traveling at 20 m/s applies the brakes. The coefficients of static and kinetic friction between the tires and the road are 0.80 and 0.50 respectively. (A) Determine the stopping distance if the car is able to stop as quickly as possible without

43. ## algebra

A tiger can eat food that weighs up to 15% of its body weight. If a tiger can eat 75 pounds of food, how much does a iger weigh? Write and solve a percent proportion>

44. ## Algebra 1

A clerk was asked to change a \$10 bill. She returned 9 more dimes than nickels and twenty-one more quarters than dimes. How many coins of each did she return? I don't know why but this is stumping me. Help plz.!

45. ## Math

Daphne replaced light bulbs in her mothers store.She had 3/4 of a box of light bulbs. She used 1/3 of the bulbs. a. What fraction of the box of light bulbs was left? b. How many light bulbs are in a full box? Explain. Thanks to everyone who helps answer

46. ## Physics

A jet plane is flying with a constant speed along a straight line, at an angle of 26.5° above the horizontal, as Figure 4.30a indicates. The plane has weight whose magnitude is 86500 N, and its engines provide a forward thrust of 103000 N. In addition,

47. ## Physics

Which of the following statements is not true if an incident ray of light makes an angle of 30o with the mirror surface? angle of incidence = 30o angle of reflection = 60o angle of incidence = 60o angle between incident ray and reflected ray = 120o

48. ## english

Literary Analysis: Character and Characterization Read the selection. Then, answer the questions that follow. People who don’t know Harry tend to underestimate him. They cast a skeptical eye on his typical outfit: ragged jeans and shirts that bear

49. ## Physics

A bullet with a mass m=12.5 g and speed v=85.4 m/s is fired into a wooden block with M=113 g which is initially at rest on a horizontal surface. The bullet is embedded into the block. The block-bullet combination slides across the surface for a distance d

50. ## Physics

A broad jumper begins his jump at an angle of 22 f degrees from the horizontal at the middle of the jump he reaches a height of 70m ANSWER: 9.16m/s Relevant Formulas: dv=1/2at^2...dh=vht...t=vv/a..

51. ## Physics

You are pulling your little sister on her sled across an icy (frictionless) surface. When you exert a constant horizontal force of 114 N, the sled has an acceleration of 2.3 m/s2 If the sled has a mass of 7.6 kg, what is the mass of your little sister? I

52. ## math

Using the numbers 1 through 9 with no repeats, find a 9 number such that: the first digit is divisible by 1, the first two digits are divisible by 2, the first 3 digits are divisible by 3, and so on until we get to a 9 digit number divisible by 9. You

53. ## physics

If you walk 3.0 km on a straight road and then find that you are 1.5 km east of your starting point and some unknown distance north of your starting point, in which of these directions did you walk?

54. ## math

Jose left the airport and traveled toward the mountains. Kayla left 2.1 hours later traveling 35mph faster in an effort to catch up to him. After 1.2 hours Kayla finally caught up. Find Jose's average speed/

55. ## Math

Determine whether a regular decagon has reflection symmetry and/or rotational symmetry. If it has reflection symmetry, state the number of axes of symmetry. If it has rotation symmetry, state the angle of rotation. Explain how you determined your answers

56. ## Physics

A photocell shows photoelectric effect when green light shines on it. Which of the following is correct if a green light is replaced by a blue light? Electron emission would get stopped. Electrons are emitted with more velocity. Electrons are emitted with

57. ## Physics HELP!

An airplane flies due north at 240 km/h with respect to the air. There is a wind blowing at 75 km/h to the northeast with respect to the ground. What are the plane's speed and direction with respect to the ground? __?__km/h __?__° east of north

58. ## elementary

Explain it sandy said she could use addition to answer question 1 how could this be done?

Determine if the equation is SN1, SN2,E2 or E1. CH3CH2O- + CH3CH2BR = CH3CH2OCH2CH3 + BR- I think that this is SN2. Would you agree?

60. ## Discrete Mathematics

Suppose a0, a1, a2 ,... is a sequence defined recursively as follows: a1 = 1, a2 = 2, a3 = 3 and ak = ak-1 + ak-2 + ak-3 for all integers k > 3. Use strong induction to show that an < 2n for all integers n ≥ 1.

61. ## physics

A 60kg wood carving of a gazelle slides under the action of the force shown. What is the normal force? assumin the gazelle starts from rest, how long will it take to move 3 meters?

62. ## Physics

Which of the following is an example of diffuse reflection? light reflected from the surface of a dry asphalt roadway light reflected from the surface of a calm lake light reflected from the surface of glossy paper light reflected from the surface of a

Assume you are agile enough to run across a horizontal surface at 11.60 m/s on an airless spherical asteroid of uniform density 1.0x103 kg/m3, independently of the value of the gravitational field. To launch yourself into orbit by running, what would be

64. ## math

Chelsea left the White House and traveled toward the capital at an average speed of 34 kn/h. Jasmine left at the same time and traveled in the opposite direction with an average speed of 65km/h. Find the number of hours Jasmine needs to travel before they

65. ## Physics

A pendulum consists of a 2.6 kg stone swinging on a 4.5 m string of negligible mass. The stone has a speed of 7.9 m/s when it passes its lowest point. (a) What is the speed when the string is at 53 ¢ª to the vertical? (b) What is the greatest angle with

66. ## Physics

A speed skater goes around a turn that has a radius of 31 m. The skater has a speed of 13 m/s and experiences a centripetal force of 460 N. What is the mass of the skater?

67. ## Physics

A conductor of length 2m carrying a 1.5A current experiences a force of 2.2 N. What is the magnitude of the magnetic field that acts perpendicular to the flow of current in the conductor? 0.73 Tesla 6.60 Tesla 0.34 Tesla 0.61 Tesla

68. ## Chemistry

which one of the following cannot disproportionate cl-, clo3-, cl2, cu+, fe2+

69. ## Enlgish, possessive form of singular and plural no

possessive form of family, brother, suitcase, child, government, pen, train, tree, woman, refugg, families, brothers, suitcases, children, governments, pens, trains, trees, women,refugees

70. ## Physics

What is the magnification of a 4 cm tall object placed 40 cm from a concave mirror having a focal length of 10 cm? 0.33 -0.33 1.33 -1.33 I'm thinking B.

71. ## Physics

A 640-kg racing car completes one lap in 14.3 s around a circular track with a radius of 55.0 m. The car moves at constant speed.(a) What is the acceleration of the car?(b) What force must the track exert on the tires to produce this acceleration?

72. ## Physics

You fly 32.0 km in a straight line in still air in the direction 35.0 degree south of west. Find the distance you would have to fly straight south and then straight west to arrive at the same point.

73. ## physics

a skateboarder starting from rest accelerates down a ramp at 2m/s squared for 3sec. what is the final speed of the skateboarder?

74. ## Physics

The drawing shows a circus clown who weighs 710 N. The coefficient of static friction between the clown's feet and the ground is 0.49. He pulls vertically downward on a rope that passes around three pulleys and is tied around his feet. What is the minimum

75. ## Physics

An airplane flies due north at 260 km/h with respect to the air. There is a wind blowing at 60 km/h to the northeast with respect to the ground. What are the plane's speed and direction with respect to the ground?

76. ## physics

A balloonist drops an apple weighing 1.5 N over the side of the balloon's gondola. As it falls and increases speed, the drag force from the air upward on it increases. When the upward force is 0.7 N, what is the direction and magnitude of the net force on

77. ## physics

A particle has an initial horizontal velocity of 2.9 m/s and an initial upward velocity of 4.5 m/s. It is then given a horizontal accelera- tion of 1.2 m/s2 and a downward acceleration of 1.2 m/s2. What is its speed after 4.9 s? Answer in units of m/s

78. ## Physics

The third harmonic of a guitar string has a frequency of 170 Hz. What is the length of the guitar string if the speed of the waves on the string is 125 m/s? 1.103 m 2.206 m 0.368 m 2.040 m

79. ## physics

Three blocks are suspended at rest by the system of strings and frictionless pulleys shown in the figure below, where W = 29.0 . What are the weights w1 and w2?

80. ## physics

A bomber flies horizontally with a speed of 225 m/s relative to the ground. The altitude of the bomber is 3010 m and the terrain is level. Neglect the effects of air resistance. The acceleration of gravity is 9.8 m/s2 . a) How far from the point vertically

81. ## electronic basic

you observe a small plaque on an electrical appliance that reads, in part, "115 volts AC 60 Hz." this means that the appliance

82. ## Math

Find the area under the standard normal curve: I. to the right of z = -2.32 II. to the left of z = -2.32 Can someone please help me with this one question? Thanl you in advance.

83. ## phy

Three blocks are suspended at rest by the system of strings and frictionless pulleys shown in the figure below, where W = 29.0 N, and è = 26.6°. What are the weights w1 and w2?

Write each ratio in simplest form. 1. 28 seconds / 2 minutes 2. 22 in. / 3 feet 3. 36 cm. / 132 cm. Can you help me i have NO IDEA how to solve these thanks

85. ## Chemistry

A 0.5370 g sample of a pure soluble chloride compound is dissolved in water, and all of the chloride ion is precipitated as AgCl by the addition of an excess of silver nitrate. The mass of the resulting AgCl is found to be 1.2523 g. What is the mass

86. ## math homework

The whole number are written across a piece of paper in order. There is room for 100 digits on each line and there are no spaces between each digit. What are the last 5 digits on the second line? 0123456789101112.......

87. ## physics

A 0.5 kg block is sliding along a table top with an initial velocity of 0.2 m/s. It slides to rest in a distance of 70 cm. Find the frictional force that is slowing its motion.

88. ## p.e.

a scull is to rowing as a -------- is to yachting.

89. ## Chemistry

How many ethane molecules are there in 0.0300 mole of methane

90. ## S.S

5. What was the role of the Native Americans during the Revolutionary War? a. Native Americans did not fight in the Revolutionary War. b. More Native Americans fought with the British than with the Americans during the Revolutionary War. c. More Native

91. ## History

Which West African kingdom was the first to benefit from the gold and salt trade? Ghana Songhai Mali Morocco My answer is Ghana.

92. ## Stela

CCl4 ClO4− ClF4− SiCl4 SO42− Which molecule or ion does not have a tetrahedral molecular geometry?

93. ## Math

Kim packed 6 boxes with identical supplies. It was the greatest number she could pack and use all the supplies. Which of these is her supply list

94. ## Science

A mechanic pushes a 2.20 103-kg car from rest to a speed of v, doing 4,550 J of work in the process. During this time, the car moves 24.0 m. Neglecting friction between car and road, find each of the following.

95. ## Physics

A car of mass 1100 kg starts from rest at sea level and climbs a hill of altitude 50 m. At the top of the hill the car has a speed of 25 m/s. From the top of the hill the driver turns off the engine and coasts down to an altitude of 15 m. Assume the

96. ## Physics

An airplane flies due north at 260 km/h with respect to the air. There is a wind blowing at 60 km/h to the northeast with respect to the ground. What are the plane's speed and direction with respect to the ground?

97. ## writing

Could you please proofread this along with punctuation. It's an essay and it will be doubled spaced when I submit it. Thank you In approximately 200–350 words, using compare/contrast strategies, discuss the benefits and/or advantages of shopping online,

98. ## Chemistry

The solubility of CaSO4 is 0.209 g/100 mL of water at 30 degrees celsius. if 0.500 g CaSO4 is stirred overnight at 30 Degrees Celsius with 100.0 mL of water, a. How many grams of CaSO4 remain undissolved? b. Calculate the molarity of CaSO44 in solution

99. ## Calculus (Help)

The graph of y=cos x * ln cos^2x has seven horizontal tangent lines on the interval [0,2pi]. Find the x-coordinate of all points at which these tangent lines occur. What the derivative of the function?

100. ## chemisty

a 10.00ml diluted chloride sample required 44.89 ml of 0.01982 m abno3 to reach the fajans end point. how many moles of cl ion were present in the sample

101. ## Physics

Two forces are exerted on an object. A 32 N force acts at 220° and a 53 N force acts at 315°. What are the magnitude and direction of the equilibrant? ____ N ____ °

102. ## Social Studoes 8R - help!!!!! (please)

Why do you think some people called Carnegie called a Robber Baron? well... according to the wiki it says .... "....He earned most of his fortune in the steel industry. In the 1870s, he founded the Carnegie Steel Company, a step which cemented his name as

103. ## physics

Suppose you waik 18.0m straight west and then 25.o m straight north. How far are you from your starting point and what is the compass direction of a line connecting your starting point to yourfinal position?

104. ## elementary

Explain it sandy said she could use addition to answer question 1 how could this be done?

105. ## Physics!!! HELP

An object in equilibrium has three forces exerted on it. A 36 N force acts at 90° from the x axis and a 42 N force acts at 60°. What are the magnitude and direction of the third force? __?__N __?__° (counterclockwise from the +x direction)

106. ## Calculus

Air is being pumped into a spherical balloon so that its volume increases at a rate of 80 cm^3 per second. How fast is the surface area of the balloon increasing when its radius is 9cm? * ball of radius r has volume V=(4/3)pi r^3 and surface area S=4pir^2

107. ## Physics of Sound

For a speaker whose sound power output is 140 dB, the distance from the speaker at which the sound level will be reduced to 85 dB is ?

A toy race car starts from rest on a circular track of radius 4.30 m. The cars speed increases at the constant rate of 8.80 m/s2. At the point where the magnitudes of the centripetal and tangential accelerations are equal, determine (a) the speed of the

109. ## math

Assume that the average annual salary for a worker in the United States is \$30,500 and that the annual salaries for Americans are normally distributed with a standard deviation equal to \$6,250. Find the following: (A) What percentage of Americans earn

110. ## Physics

A proton of mass mP and a positively charged nucleus of mass 9mP are widely separated and traveling towards each other at the same speed of 1500 m/s along the same line. Because they are both positively charged, they repel each other and undergo a soft

111. ## Physics

What would the weight of an object that is 4N on the earth be on the moon (acceleration due to gravity on the moon is 1.62m/s2?

112. ## Physics

What is the image distance of a 4 cm tall object placed 40 cm from a concave mirror having a focal length of 10 cm? -13.3 cm 13.3 cm -40.0 cm 40.0 cm

113. ## elementary

number sense fabio said that there are 3 times as many people on a basketball team as on a tennis team.is he correct?why or why not. tennis 2 players basketball 5 players

114. ## Discrete Mathematics

Prove that if n is an odd positive integer, then 1 ≡ n(power of 2) (mod 4).

115. ## Chemistry

assuming that each molecule contains one acidic hydrogen---that is, the formula is HCnHmOp? assumin gthat each molecule contains 2 acidic hydrogens---that is, the formula is H2CnHmOp??

116. ## Physics

In the configuration shown (10m incline for m1 and 8m vertical length for m2 with a spring under it, both masses are linked by a rope and a pulley at the top), the 52.0 N/m spring is unstretched, and the system is released from rest. The mass of the block

117. ## science

Please give me about 2 websites where i can find out interesting facts about Venus. 2 websites where i can find out if any robots or satellites landed on Venus.2 websites were I can find the average temperature of Venus. Lastly 2 websites where I can find

118. ## Physics

Part a of the drawing shows a bucket of water suspended from the pulley of a well; the tension in the rope is 107.5 N. Part b shows the same bucket of water being pulled up from the well at a constant velocity. What is the tension in the rope in part b?

119. ## Physics

If the moon were twice as massive, would the attractive force of Earth on the moon be twice as large? Yes No What about the attractive force of the moon on Earth? Yes No

120. ## chemistry

What is the partial pressure of CO2(torr) in exhaled breathe at 37.0 degree C if the partial pressure of Oxygen is 116 torrr and that of nitrogen is 659 torr. Assume the atmospheric pressure is 1.00 atm

121. ## Physics

A satellite has a mass of 6179 kg and is in a circular orbit 4.83 × 105 m above the surface of a planet. The period of the orbit is 2.4 hours. The radius of the planet is 4.03 × 106 m. What would be the true weight of the satellite if it were at rest on

122. ## Finance

A company has identified the following investments as looking promising. Each requires an initial investment of \$1.2 million. Which is the best investment?Question 4 options: A) a perpetuity that generates a cash flow at the end of year 1 of \$100,000, has

123. ## english

Literary Analysis: Character and Characterization Read the selection. Then, answer the questions that follow.People who don’t know Harry tend to underestimate him. They cast a skeptical eye on his typical outfit: ragged jeans and shirts that bear

124. ## physics

An 849 g mass is attached to a pulley and a 9 N weight is attached to a thin massless cord, as shown below. .5 849 g 9 N T What is the tension T? The pulley is massless and frictionless. The acceleration of gravity is 9.8 m/s 2 . Answer in units of N

125. ## Calculus (Urgent Help)

The graph of y=cos x * ln cos^2x has seven horizontal tangent lines on the interval [0,2pi]. Find the x-coordinate of all points at which these tangent lines occur.

126. ## chemistry

Hassium (III)oxalate contains 2.25 mol of Carbon atoms. What is the number of moles of oxygen atoms in the sample?

127. ## Chemistry

How many milliliters of 0.225 M NH4C2H3O2 are needed to make 750.0 mL of 0.1667 M NH4C2H3O2?

128. ## Chemistry

By titration 24.68mL of 0.1017 M NaOH is required to neutralize 0.1482 g of an unknown organic acid. what is the formula mass of the acid?

129. ## Chemistry

In an experiment to measure the solubility of Ba(OH)2 x 8H2O in water, an excess of solid Ba(OH)2 x 8H2O was stirred with water overnight. the saturated solution was allowed to stand until all the undissolved solid had settled. a 10.00mL sample of the

130. ## science VERY URGENT

Once again please give me about 2 websites where i can find out interesting facts about Venus. 2 websites where i can find out if any robots or satellites landed on Venus.2 websites were I can find the average temperature of Venus. Lastly 2 websites where

131. ## Physics

Hockey puck A initially travels at v(initial) = 6.2 m/s in the horizontal direction (East) on a smooth horizontal ice before striking hockey puck B which is initially at rest, off-center. After the collision, A is deflected at Î¸ = 23 degrees 'above' its

132. ## Math

If 7x + 5 = -2, find the value of 8x.

133. ## North America Climate

Which of the following does not influence the distribution of climates in North America? a. tropical latitude location b. ocean currents c. high mountain ranges C.??

asked by rawr... im a dinosaur.... rawr
134. ## college algebra

y=3x/x^2 + 81 for the given equation, list the intercepts and test for symmetry.

135. ## Elementary

number sense fabio said that there are 3 times as many people on a basketball team as on a tennis team.is he correct?why or why not. tennis 2 players basketball 5 players

136. ## math

what is the slope-intercept form of 16x-y=8

137. ## Health

People with bipolar disorder are at a higher risk for ________. A. Heart disease B. Diabetes C. Migraine headaches D. All of the above

138. ## physics

A 74.0 kg box slides down a 28.0 degree ramps with an acceleration of gravity of 3.10 m/s^2. Find μk between the box and the ramp. The acceleration of gravity is 9.81 m/s^2

139. ## calculus

a curve is such that dy/dx = x^2 - 1 Show that no tagent to this curve is parallel to the line with equation 3x + 2y - 4 = 0

140. ## Math

If 7x + 5 = -2, find the value of 8x.

141. ## Human Behavior

What does spirituality mean in middle adulthood but it is not related to religion?

142. ## dress making design

I need help examination mumber 04201800

143. ## Physics

In the configuration shown (10m incline for m1 and 8m vertical length for m2 with a spring under it, both masses are linked by a rope and a pulley at the top), the 52.0 N/m spring is unstretched, and the system is released from rest. The mass of the block

144. ## North American Climate

a. Southwestern United States b. Northeastern Canada c. Southeastern United State c??

asked by rawr... im a dinosaur.... rawr
145. ## physics

what speed must you toss a ball straight up so it takes 2s to return to you

146. ## physics

Two steam locomotives are approaching each other, each at 30 mi/hr, heading for a sure head-on collision. A rhinoceros beetle, who flies with a constant speed of 35 mi/hr, leaves the front of the first locomotive when the engines are just 2.000 miles

147. ## math

If one nickel is worth five cents, how much is half of one half of a nickel worth?

148. ## social

I am having a difficult time understanding spiritually during middle adulthood. The question is what is happening spiritually during middle adulthood? The are not talking about religion.

149. ## Math

Graph the linear equation 3y = 6x +3. Then rewrite the equation using the form y = ax + b. Thanking you

150. ## science

How much volume would a 4x4x4 cm cube occupy

151. ## Health

When a person has episodes of hypomania that shift back and forth with mild depression for at least two years, he or she has what form of bipolar disorder? A. Bipolar I Disorder B. Bipolar II Disorder C. Cyclothymic Disorder D. BP-NOS

152. ## mathematics

calculate the following fractions 1/3+ 2/3+ 5/3 what is the answer AND show how you get the answer

Do you know any wbsites where i can read the whole book Magic tree house Dragon of the Red Dawn? Please I need to read that book very badly. :(

154. ## perimeters

What are 5 different rectangle drawings with a perimeter of 20 units

155. ## Math

Prove the identities 1. cos3Ɵ + cos Ɵ = 4cos^Ɵ - 2 cos Ɵ 2. sin (A+B)sin (A-B)=cos2B + sin^2 A-1

156. ## math

The length of a rectangle is 12 inches and the width is 12 inches. What rectangle has the same area?

157. ## Math

The class collected 9 5/7 pounds of glass bottles and 6 1/2 pounds of aluminum cans. How many pounds of glass and aluminum did the class collect in all? 16 3/14?

158. ## Visual Basic

Help with code Enter 10000 for total sales Base pay cont \$900. Commission 6% Gross pay base pay - commission Deduction 18% Net pay gross pay -deduction Need serious help

159. ## Math

How much larger is the 8 in 657,689,004 than the 8 in 789,456,234?

160. ## Chemistry

Convert 29.8 atm into torr I did this 29.8(1/760) and got 22648 but its not going online as correct

161. ## College Chemistry

What volume of the solution in 5a would be necessary to react completely with 23.00mL of 0.549M NH3 according to the equation: NiSO4+6NH3 -> [Ni(NH3)6]SO4 The molarity of ta is 1.667 x 10^-4M

162. ## Accounting

Inventory as of Nov. 30th, 2010, consists of 20 bikes costing \$550 each. Balance Sheet: Nov. 30th 2010. Cash-9150 Debit Accounts Receivable-12300 Debit Inventory-11000 Debit Supplies-900 Debit Office Equipment-18000 Debit Accumulated Depreciation, Office

163. ## Health

Below are descriptions about the programs that are designed to help prevent suicide. Which statement is true?

164. ## Chemistry

Describe how to make 750.0 mL of 0.1667 M NH4C2H3O2 from 0.225 M NH4C2H3O2?

165. ## English

Write the complete verb in each sentence. Label it active or passive. 1. It was propelled by six paddles on each side. Each side was propelled by six paddles. Passive?

166. ## Chemistry

to how many milliliters must 29.6 mL of 4.25 M HCL be diluted to make 0.654 M HCL?

167. ## American history

I need to answer questions about the woman in the crimson rambler and can not find any info on who she is to research her ??? Any ideas please desperate!!

168. ## science

Betty is sledding down a hill going 12 m/s. She hits a very steep patch and starts to speed up 1.5 m/s2. How fast will Betty be moving 2 seconds later?

169. ## Calculus (Urgent Help)

The graph of y=cos x * ln cos^2x has seven horizontal tangent lines on the interval [0,2pi]. Find the x-coordinate of all points at which these tangent lines occur.

why do kids have to read math and reading thare should be less homework less reading and less math

171. ## Math

The average length of a Rufous hummingbird is 3 1/2 inches. The average length of a Broad tailed hummingbird is 4 1/2 inches. How much shorter is the Rufous hummingbird? 1?

172. ## income tax

Jeanette owns a rental property that she used for 20 days and rented for 80 days. The rental income was \$10,000 and expenses included the following; mortgage interest \$2,500; property tax \$1,500; insurance and repairs \$1,000 and depreciation \$2,000.

173. ## college algebra

Write the equation of the circle in standard form. Find the center, radius and intercepts. x^2 + y^2 + 4x + 2y - 20 = 0

174. ## math

alison invests £400 in an account paying compound interest 4% per annum.find the interest earned over 5 years,round your answer to 3 significant figures.

175. ## Chemistry

A sample of CO2 gas in a syringe has a volume of 25.0 mL at 20.0 ºC. If you warm the gas in your hand to 37 ºC, what will be the final volume?

176. ## chemistry

Three oxyacids of phosphorus nd its structure

177. ## 4th garde math

find the landmark in the set of number: 12, 16, 23, 15, 16, 18.

178. ## Chemistry

What molarity of KNO3 should be used in order for dilution of 63.2 mL to yield 253 mL of 0.319 M KNO3?

179. ## Chemistry

a 2.00 g sample of zinc was dissolved in 50.0 mL of 6.0 M HCL the final volume of solution was 50.2 mL... a. what was the concentration of Cl- after the zinc was dissolved?? b. what was the concentration of hydrogen ion after the zinc was dissolved??

180. ## CHEM-Electron Density

For each of the following pairs, identify which element tends to attract electron density from the other in a covalent bond and enter the four letters corresponding to these choices (e.g. ACEG, BDFH, etc.) A) O and B) C C) O and D) H E) Hg and F) C G) Si

181. ## math

How many three-digit integers are multiples of both 4 and 6 and have a unit digit of 2?

182. ## Chemistry

Ca(OH)2 reacts with CO2 to form CaCO3 and H2O. A. How many grams of CaCO3 will be formed if 4 grams of Ca(OH)2 are used? B. If you have 2.5 grams of Ca(OH)2 and 0.5 of CO2, which is the limiting reactant?

183. ## science

Please tell me 2 websites where i can find out if any robots or satellites landed on Venus.

185. ## Physics

A 0.4 kg ball strikes a smooth level floor with a velocity of 5.0 m/s, 60 degrees below the horizontal. It rebounds off the floor with an unknown velocity and reaches a maximum rebound height of 0.60 m. If the duration of the collision with the floor is 50

186. ## maths

explain why are the following not groups: 1)the set of Z integers with operation subtraction 2)The set of Z integers with operation addition 3)The set of R* of all non zero real numbers with addition

187. ## Physics

Well, hard to imagine the picture, but by the description the wires each side are at 16 deg. back on each side of the tooth, i.e. each at 16 deg. to the face of the tooth. Each has 18N. tension. (sin 16) x 18 = 4.9608N. Double it (2 wires), = 9.9216N. back

188. ## North American Climate

If this statement is false please replace it with the correct word Subarctic continental is not a climate zone found in the lower 48 states of the U.S.? desert or mid latitude dry I believe that the statement is correct.

asked by rawr... im a dinosaur.... rawr
189. ## math

Use an Addition or Subtraction Formula to find the exact value of the expression. Sin(−5π/12)

190. ## Physics

In the drawing, the weight of the block on the table is 384 N and that of the hanging block is 195 N. Ignore all frictional effects, and assuming the pulley to be massless. (a) Find the acceleration of the two blocks. m/s2 (b) Find the tension in the cord.

191. ## physics

A 80 kg object slides at a 20 degree plane downward at 5m/s. An object 2 collides with object 1 by falling from 7 meter height and they stick together. Final speed of objects? I know the speeds would be the same. Would momentum equation work to solve this?

192. ## English Language

Yes,she is my cousin.- Is the comma identify as an introductory phrase?

193. ## High School Physics

The player kicks a football with an initial speed of v0 = 98 ft/s. Determine the two possible values for the angle of the kick, theta. The distance of the football field is 126 ft. Also determine the corresponding time at each of these two angles.

194. ## High School Physics

The player kicks a football with an initial speed of v0 = 98 ft/s. Determine the two possible values for the angle of the kick, theta. The distance of the football field is 126 ft. Also determine the corresponding time at each of these two angles.

195. ## Algebra

write the standard form of the equations: through (1,3) and (-4, -4) through (5,4) and parallel to y=4

196. ## Physics

In what way does gravity change with distance from Earth?

197. ## geometry

Triangle ABC is an equilateral triangle with sides of 1. Arcs are drawn from A,B,C. what is the perimeter?

198. ## Calculus (Help)

The graph of y=cos x * ln cos^2x has seven horizontal tangent lines on the interval [0,2pi]. Find the x-coordinate of all points at which these tangent lines occur. What the derivative of the function?

199. ## hum 111

How does the process of refining a solution for a problem differ from the process of refining a solution for an issue? Which do you think is more challenging?

200. ## Physics (Science)

Hi, For my physics class, we have to design our own experiments to calculate the amount of power exerted for each situation. However, I'm really unsure of how to go about finding the power for the situations. The first situation is doing a push-up, and the

201. ## Chemistry

Which element's oxides consist of individual molecules? Pb, C, Ge, Sn, Si, Hg

202. ## HCA 2220

You are an office manager working in an orthopedist office. You are responsible for filling out the insurance billing forms and processing any denials. While reviewing the denials, you find they are in fact billable services. The issue is a lack of

203. ## physics

An ammeter measures rate of change of current or flow of charge?

204. ## Health

You have been given the task of making a presentation to a group of junior high school students arguing against making marijuana legal. What are four risks associated with its use that you could include in your talk?.

205. ## Science

To calculate _____ you divide the total distance traveled by the total time it takes to travel that distance.

206. ## math

how many 8 in long ribbons can mona make from a 4ft peice of material

208. ## physics

State the surface powers required to produce the following lenses with +6.25D front curves. a. -0.50 DS b. +0.50 DS c. +1.75 DS

209. ## Research Methodology for International Relations m

I need help with an article and a chapter. I need to find a tutor who cna provide help with them.

210. ## Math

Max creates a lavender dye by mixing 3 parts of red dye. Will a mixture of 14 parts of blue dye with 23 parts of red dye create the same shade of lavender?

212. ## science

how does area of an opened parachute affect the size of force

213. ## math homework

Mr. Burton rides out into the country on his bicycle at 9 mph . Four hours later he starts back riding his bicycle at 6 mph. How long will it take him to get back?

Joy needs to mix a 20% glucose solution with a 60% glucose solution to create 200 millileters of a 50% solution. How many millileters of each solution must Joy use?

215. ## Chemistry

If 25.9 mL of 300 M NaCl is diluted to 136 mL, what is the molarity of the dilute solution?

216. ## maths

x(x-5)(x+2) is the answer to this -4x^2 + 10x if not could you write the correct answer and explain hoow you got it

217. ## Geology

How do I do the foll9owing example? K-40 - A-40 (1.25 billion years) After careful analysis, a geochronologist determines that an unweathered, unmetamorphosed mineral sample contains 7 trillion atoms of the radioactive element K-40 and 105 trillion atoms

218. ## science

velocity of 2.9 m/s speed increase of 7.6 m/s in 4s What is her acceleration ?

219. ## math..reiny..help!!

is that the area of big or small triangle?

220. ## Calculus

If f(x)=8 ln(6x+3 ln (x)), find f'(x)

221. ## math

what is a millogram

222. ## dress making design

s nap fasteners are sewn with the knob halves attached to the fabric overlap of a garment because

223. ## art

what is the best way to create poster of self esteem using slogan?

224. ## Chemistry

ÄSvap > 0 Give a molecular interpretation for

225. ## math

solve for x e^(2x+3) -7 = 0

226. ## Math

In 2010 I loaned Johnnie \$5000.00 @ the interest rate of 10%, he only made two payments. It is now 2012 and I would like to know what would the interest and pay out of this loan be?

227. ## math URGENT!!

the midpoints of the sides of a triangle are (1,1),(4,3),and (3,5). find the area of the triangle. please answer and show how u did it step by step please!!!!

228. ## social

What is a key social system support during middle adulthood?

229. ## Math

Change 30/20 into a mixed number

230. ## Tax question.

Joe age 24 single amd not claimed as a dependent. In 2011 his only income Was 5,000 of unemployment and he had 500 of net income from mowing lawns. Joe must file a 2011 tax return. True or false I'm unsure because you I don't know if he has to file because

231. ## Algerbra

is 3x=4y-7 a direct variation why or why not?

232. ## math

caculate the following fractions 1/3+ 2/3+ 5/3 what is the answer to these fractions and show houw you get the answer. please.

4

235. ## Science

How much work do you do when you push a 30kg pumpkin across 1.5 meters

236. ## Science

A baseball travels 50 m in 10 s. What is the average speed of the baseball?

237. ## Science

The unit m/s is the _____.

238. ## geometery

1.given the function y=x^2-4x+5,find the following: a.vertex b.maximum or minimum c.axis of symmetry d.y-intercept e.x-intercept(zeros) f.graph

240. ## math

speakers place every 10 yds around the wall of school auditorium. Auditorium is 210 ft by 300 ft. How many wall speakers are placed around the auditorium?

241. ## Geometry

my geometry problem set says "find the ratio of CG : CB" CG=6.3 and CB=19 so to find the ratio i would divide the 19 by 6.3 (we have to round so it would be a 3:1 ratio) or would it be the other way around? i think it's the 19/6.3 but i'm not sure...

242. ## Math

Some chickens, cows, and sheep are in a field. Their number of legs is 12 more than twice their number of heads. How many 4 legged animals are in the field?

243. ## World Geography

When attacking Russia in 1941,Germany...

244. ## English singluar and plural possessive nouns

1. Slaves lives were terribly hard. 2. They wre at the mercy of owners whims. 3. A runawy life was in danger. 4. Often runaways traveled by the moon light. 5. It could take several weeks travel to reach the Norht. 6. Slaves hid directions in a song words.

6divideby84

247. ## math URGENT!!!!

the midpoints of the sides of a triangle are (1,1),(4,3),and (3,5). find the area of the triangle. please answer and show how u did it step by step please!!!! how do i find area of the smaller triangle?

248. ## science

5 letter science word, with the 4th letter o

249. ## Chemistry

How many milliliters of 2.50 M KI must be diluted to make 365 mL of 0.432 M KI?

250. ## math

what is (-x-3)+(4x-7)simplified? please show the work, thenk you.

251. ## science

velocity of 2.9 m/s speed increase of 7.6 m/s in 4s What is her acceleration ?

252. ## chemistry

an electromagnetic wave has a frequency of 10 exponent 21hz. what type of electromagnetic wave has this frequency

253. ## math

in all there are 24 grasshoppers ken bought 6 less than mattie how many did each person buy

254. ## math

Just wanting to make sure I've done this right... (a^2+5a-19)/(a+2)

255. ## math

What's 6% of 22?

256. ## math

solve for x ln(5-2x)=3

x^2-2x-5

258. ## Math

How do i set it up 4divide92

259. ## maths

r-s-3t-u=1 2r+4s-2u=2 3r+4s-2t=0 r+2t-3u=3 find the solution

260. ## math homework

x is defined as one more than the number of digits in the number x . For example , 1000 = 5. For what value of x wil x = x ?

261. ## math

evaluate the following expression 20/(4+6)x2-5

262. ## Intermediate Algebra

8y+20/8 reduced to the lowest term

4divide 92