# ricky

Popular questions and responses by ricky
1. ## algebra 2

is 1.765 a rational or irrational number

2. ## Chemistry

Need help! Calculate the molar concentration of OH- in a 0.724M solution of hypobromite ion (BrO-; kB= 4.0 x 10^-6) what is the pH of this solution? I got as far as kB = [OH-][HBrO]/[BrO-] please help me with the rest.

3. ## Algebra

Scott set up a volleyball net in his backyard. one of the poles, which forms a right angle with the ground, is 6 feet high. To secure the pole, he attached a rope from the top of the pole to a stake 8 feet from the bottom of the pole. To the nearest tenth

16. ## government

Most presidential caucuses differ from Statewide presidential primaries in all of the following ways EXCEPT the number of States that hold caucuses. ways in which delegates to the national convention are chosen. main purpose for which the delegates are

35. ## Gettysburg

does anyone know who else was involved in the battle of Gettysburg besides Pres. Lincoln, Robert Lee, & George Meade? please & thank you How about General George Pickett? do you know if that's the only person i forgot? For information on other people

36. ## Social studies

Lincoln replaced General McClellan with General Burnside for the attack on Fredericksburg because General McClellan A.had been severely wounded. B.wanted to divide the army into two weaker segments. C.had caused too many casualties in the Battle of

37. ## History

Which statement is true about the voyage referenced in the text

y=q-x, for x

39. ## Chemistry

When 1.00 mol of A and 0.800 mol of B are placed in a 2.00 L container and allowed to come to equilibrium, the resulting mixture is found to be 0.20M in D. What is the value of K at equilibrium?

40. ## physics

n automobile has a vertical radio antenna 1.40 m long. The automobile travels at 30.0 km/h on a horizontal road where Earth's magnetic field is 50.0 µT, directed toward the north and downward at an angle of 65.0° below the horizontal. (a) Specify the

41. ## physics

help me please? I'm lost... A small space probe is put into circular orbit about a newly discovered moon of Saturn. The moon's radius is known to be 550km. If the probe orbits at a height of 1500km above the moon's surface and takes 2.0 earth days to make

42. ## physics

A compact disc (CD), initially at rest, reaches an angular speed of 40 rad/s in 5.0 s. a. What is the magnitude of its angular acceleration? b. How many revolutions does the CD make in 5.0 s?

43. ## physics

A light string of length of 56.0 cm connects two small square blocks, each with a mass of 1.50 kg. The system is placed on a slippery (frictionless) sheet of horizontal ice and spun so the two blocks rotate uniformly about their common center of mass,

44. ## PHysics

A gun is fired, and a 50gram bullet is accelerated to a muzzle speed of 100m/s. If the length of the gun barrel is 0.90m, what is the magnitude of the accelerating force? Assume the acceleration is constant. Help me please???

45. ## Physics

With her bare hands and her arms rigidly extended, a girl catches a 0.16kg baseball coming directly at her at speed of 25m/s. She shouts, “Ouch!’ because the ball stings her hands. She learns quickly how to move her hands with the ball as she catches

46. ## Physics

Vector A, a wind velocity vector, has a magnitude of 20 miles per hour and is blowing toward the North. A second wind velocity vector, Vector B, has a magnitude of 50 miles per hour and is blowing toward the Southeast. A third wind velocity vector, Vector

47. ## Calc

Verify that the trigonometric equation is an identity. 1/2 sin 2 x − sin^2x over sinxcos2x = 1 over sinx+cosx Verify that the trigonometric equation is an identity. cotx over 1-sinx =secx(cscx+1) Can someone please Help!!! these are so hard for me to

48. ## Ellison

A cylinder that contains methane gas is kept at a temperature of 15°C and exert a pressure of 7atm.If the temperature of the cylinder increases to 25°C,what pressure does the gas now exert?

49. ## Algebra

Given: f(x) = 8-4x A. Find f(-2) f(2) = 8-4(-2) B. Find x, when f(x) = 8 8-4x = 8 C. Graph the function. ( a graph that has 20X and 20Y as the max numbers) D. State the domain and range of the function. (confused on what to do here) E. Use the graph to

50. ## Math

(3?5)?4?(14?2)=12

51. ## math

an airplane travels 750 miles in 1 hour and 45 minutes. what is the average velocity of the plane?

52. ## Math

Completely bemused, do not know how to get the answer. a)8π b)7√2 c)27√π d)7√×7√×1 13- Determine the exact total surface area of a sphere with radius 2√2 metres. a) An inverted cone with side length 4 metres is placed on top of the sphere so

53. ## geography

what is the capital of fiji

54. ## Physics

two stars with equal mass of 4.0x10^15 kg are separated by a distance of 2 km. They are moving in circular obits around the middle between the two stars. What is the speed of the stars?

In addition to skills in creating art, which type of knowledge is important for art therapist to have to successfully perform their jobs? A. Knowledge of Physical Therapy B.Knowledge of Psychology C.Knowledge of teaching Strategies D. Knowledge of Art

56. ## English

I am working on writing a paper. We have to use MLA format. I am a little confused on how to site my sources. I wrote the following paragragh: Panama Canal is an international waterway located across the Isthmus Panama. The Canal was built by the United

57. ## math

I have a math question.two fielda ats state park are 1000 meters from each other.on a map,the two fields are 8 centimeters apart.What scale is the map using?is it the metric scale??

58. ## Chemistry

How many molecules are in 0.923 mol of selenium tetrabromide?

59. ## social studies

If u travel o degrees latitudes, 0 degrees to 30 degrees north latitude, 120 west longitude u will have travel from

60. ## phi

Midgley analyzes the position that each society is a separate culture with its own values. This position is known as

61. ## calculus

The velocity of a skateboard is v(t) = t^2 - 4 t + 3 m/s when moving in a straight line. A. Find the the change in displacement of the skateboard between 4 seconds and 6 seconds. (Note this may or may not be negative, meaning it goes in the opposite

62. ## calculus

\int_{4}^{13} f(x) \,dx - \int_{4}^{11} f(x) \,dx = \int_{a}^{b} f(x) \,dx where a= and b= .

63. ## calculus

A long narrow piece of land gets flooded each year by a river. The flooded area is in the shape of the area under the curve y = 2.3 x^3 and above the x-axis, for 0 \le x \le 3.2. All the distances are in metres.

64. ## calculus

a. The value of \displaystyle \int_{-2}^{-1} \frac{14}{ 4 x } dx is b. The value of \displaystyle \int_{1}^{2} \frac{14}{ 4 x } dx is

65. ## calculus

The following definite integral can be evaluated by subtracting F(B) - F(A), where F(B) and F(A) are found from substituting the limits of integration. \int_{0}^{4} \frac{1600 x +1200 }{(2 x^2 +3 x +1)^5}dx After substitution, the upper limit of

66. ## calculus

Ice cream drips out of the bottom of an ice cream cone on a hot day at a rate of r(t) mL per second, as a child eats it slowly, where t is in seconds. If r(t) = 10 e^{-k t}, complete the definite integral expressing the quantity of ice cream lost in the

67. ## calculus

At a summer campfire, the radius of a marshmallow on a stick expands at the rate of \ {r ' (t)} = \frac{2.1 }{1 t + 5} mm/s where t is the time of heating in seconds. Initially the radius was 3.8 mm. Find the radius after 27 seconds using the following

68. ## calculus

Find the area of the region under the curve y = 16 e ^{4 x} between x = -1.4 to x =1.4 .

69. ## word problem

juan bought 12 oranges and ate 1/4 of them carla bought 12 oranges and ate 1/3 of them . which ate more

70. ## us government

A person in Michigan applying for a job in Alabama can expect not to be discriminated against because of the ___________ Clause.

71. ## physics

A 6.0 Kg object undergoes an acceleration of 2.o m/s squared. what is the magnitude of the net external force acting on it?

72. ## math

Keisha had two pieces of ribbon of equal length. She cut the first piece of ribbon into 15 equal parts. She also cut the second piece of ribbon into equal parts. Nine parts of the first piece are equal in length to 3 parts of the second piece. Into how

73. ## U.S. History

Which one of these was not the causes of the Great Depression? excessive income taxes speculative stock purchases risky banking practices severe drought I think it is excessive income taxes or severe drought. But I don't think it is severe drought because

74. ## phy

Some air at 275 kPa absolute pressure occupies 50.0m^3. Find its absolute pressure if its volume is doubled at constant temperature.

75. ## science

How do the atmosphere, lithosphere and hydrosphere interact with each other?

76. ## Bussiness

The market for carrots is comprised of two segments: fresh market carrots, which have excellent, uniform color and a small core, and processing carrots, which are larger than fresh market carrots but still have good flavor, color, and sweetness. Annual

77. ## writing

I want to know what is wrong in the following sentence: After six months on the job, he faced problems in his first recruitment effort; however, if he solves these problems, the new hires should be able to start working by July.

78. ## Math

In a survey of 624 students, 60% more preferred getting news online to getting news on tv. How many students prefer getting news online. I started with the equation 1.6x+x=624, but I don't know if this is the right set up or right idea. Any help is

79. ## physics

a comet experiences a uniforn acceleration from 60m/s to 183m/s what is the rate of acceleration?

80. ## maths

find the general solution of the following first order differential equation. t*(dy/dt) = (-y/t) + ((exp(1/t)/t^3) could you show steps in working to solution.

The equation x^2+px+q=0, q cannot be equal to 0, has two unequal roots such that the squares of the roots are the same as the two roots. Calculate the product pq.

82. ## WRiTinG

does this paragraph have a good flow? “Nothing is a waste of time if you use the experience wisely.” – Rodin. Time management is the process of exercising conscious control over the amount of time spent on specific activities. I, too, once had been a

83. ## writing

I was wondering if in this paragraph I was going off topic, plz help, maybe give me some pointers? Im not finished with the paragraph but that's what I have so far and need someones opinion... Compassion is like handing a piece of your heart to another

84. ## Math

In how many different ways may the four officers be seated?

85. ## Physics

A dockworker loading crates on a ship finds that a 19-kg crate, initially at rest on a horizontal surface, requires a 70-N horizontal force to set it in motion. However, after the crate is in motion, a horizontal force of 60 N is required to keep it moving

3b-9-8b=11

87. ## physics

A truck is traveling at 19 m/s to the north. The driver of a car, 460 m to the north and traveling south at 26 m/s, puts on the brakes and slows at 3.5 m/s2. Where do they meet?

88. ## math

Solve 5 divide by 6 plus 1 divide by10

89. ## Physics

#1.) A wind turbine has a Cp of 0.42 and extracts 50 kW of power when the wind velocity is 25 m/sec. How long are the blades? (ρ = 1.2 kg/m3) #2.) An electric hot water heater is used to heat 30 gallons of water from 20 °C to 45 °C. a. What heat energy

90. ## english

Mikes car needs a new muffler and new brakes. (Which word needs an aposterphy?)

91. ## math

what numbers have both of the given numbers as factors 3 and 5

92. ## Math

How many numbers between 1 and 1000 that has the #2 as its only factor

93. ## Algebra

What is the inverse of y = 4x - 2? Is it y = 1/4x - 1/2 If that is wrong, can you direct me towards the right answer or how to find it Thank you

94. ## math

The atomic number of cadium is half the atomic number of curium. Define a variable and write an expression for the atomic number of cadmium. I'm working in a group with my friends and we need help we're not the same people.

95. ## FINANCE

Answer both questions A).The treasurer of a German firm has €5 million to invest for three months. The annual interest rate in the Germany is 4 percent: the interest rate in the United Kingdom is 2 percent. The spot rate of exchange is €1.1/£ and the

96. ## FINANCE

You are graduating in September and would like to start your own business making wine coolers. You collect the following information on the initial costs: Cost of Plant & Equipment = $500,000 Licensing & Legal Costs =$50,000 You also have been left a tidy

97. ## FINANCE

You are graduating in September and would like to start your own business making wine coolers. You collect the following information on the initial costs: Cost of Plant & Equipment = $500,000 Licensing & Legal Costs =$50,000 You also have been left a tidy

98. ## physics

1. How far (in meters) must a 600 kg pile driver fall, if it is to do 14000 J of work? 2. A spring whose spring constant is 150 N/m is compressed 0.800 m. What speed (in meters/second) can it give to a 0.600 kg ball when released? 3. A 550 N crate rests on

99. ## math

Find value of x in triangle, given measurements are 76degrees and 71degrees