Solve: 6c3 A.120 B.720 C.20 D.240 How many ways can you choose 3 dishes from a menu of 8? A.24 B.336 C.144 D.56 Solve 6p4 A.240 B.720 C.20 D.360

If a 2.30 M sample of A is heated to 500 K, what is the concentration of B at equilibrium? A 2B Kc= 5.04x10^-6 at 500k

3. Science

A______________________ is a tool used to capture the energy in sunlight. Recycling aluminum cans and taking shorter showers are two ways to practice the ________________________ of natural resources. Some plastics are made from corn. These plastics are

4. Algebra Question~!

If an object is dropped from a height of 200 feet, the function h(t)=-16t^2+200 gives the height of the object after t seconds. Approximately, when will the object hit the ground? (1 point)

5. Math

You borrow 1200 at a rate of 4.5% for a period of 6 months, how much will you pay at the end of the 6 months?

6. Chemistry

calculate the pH in a solution prepared by dissolving .10 mol of solid NH4Cl in .500 L of .40 M NH3. Assuming no volume change.

7. LA pls help!!!!!

1. Which of the following is an example of plagiarism? (1 point) A. including a common expression or proverb without using quotation marks B. retelling, in your own words, information from an encyclopedia article C. adding a quotation from an external

8. Programing

Given two 3x3 arrays of integer , x1 and x2 , write the code needed to copy every value from x1 to its corresponding element in x2 . So far I have void main() { int x; for(i=0; i

9. Chemistry

At STP, if 4.20L of O 2 reacts with N2H4 how many liters of water vapor will be produced?

10. Algebra II

Suppose that an object is dropped from a height of h meters and hits the ground with a velocity of v meters per second. Then v= sqrt19.6h. If an object hits the ground with a velocity of 24.2 meters per second, from what height was it dropped? Carry your

11. Algebra II

Two factory plants are making TV panels. Yesterday, Plant A produced 6000 fewer panels than Plant B did. Four percent of the panels from Plant A and 3% of the panels from Plant B were defective. How many panels did Plant A produce, if the two plants

12. statistic

Roll two 6-sided dice and examine their sum. a) How long will it take to roll "snake-eyes" (a pair of ones)? b) What is the probability of rolling a sum of 7 on the first roll? c) What is the probability of rolling a sum of 7 on the fourth roll? d) What is

13. Chemistry

If a solution containing 118.44 g of mercury(II) perchlorate is allowed to react completely with a solution containing 17.796 g of sodium sulfide, how many grams of solid precipitate will be formed? How many grams of the reactant in excess will remain

14. English

I need to write a metaphor for the word Repugnance. I definitely am lost on this one.

15. Math

What property is shown in the equation below? 6x0=0 a)zero property of multiplication b)inverse property of multiplication c)identity property of multiplication d)commutative property of multiplication

16. chem Help

At equilibrium, the concentrations in this system were found to be [N2]=[O2]=0.200 M and [NO]=0.500 M. N2 + O2= 2NO If more NO is added, bringing its concentration to 0.800 M, what will the final concentration of NO be after equilibrium is re-established?

17. Physics

9. Question : Cheryl runs a race on a circular 400.0 m track. She starts running east at the starting line and stops 20.0 m west of the starting line. Her time is 8.0 × 101 s. What is her average speed? 4.8 m/s 2.1 × 10-1 m/s -2.5 × 10-1 m/s 5.0 × 101

18. geometry

Find the midpoint of each side of the trapezoid. Connect the midpoints. What is the most precise classification of the quadrilateral formed by connecting the midpoints of the sides of the trapezoid?

19. math

Please help!pam is mixing 3 1/5 batches of paint.if one batch calls for 2 3/4 tablespoons of detergent to add to the tempura powder,how many tablespoons of detergent will pam need?

20. biology

On a hot, summer day, what would most likely be the limiting factor, the light reaction, or the dark reaction (in terms of photosynthesis)? I don't necessarily need the question answered. Rather, I don't quite understand how limiting factors, light and

21. chemistry

In the reaction ZnO+2HCl=ZnCl2+H2O what is oxidized and what is reduced?

22. Math

List the fractions from least to greatest 2/4, 2/6, 2/8??

23. chem

calculate the pH in a solution prepared by dissolving .10 mol of solid NH4Cl in .500 L of .40 M NH3. Assuming no volume change. Without the use of Henderson-hasselbalch

24. physics

show that the acceleration is 7.5 m/s² for a ball that starts from rest and rolls down a ramp and gains a speed of 30 m/s in 4s

25. world geography

The statement, "People celebrate their birthdays on January 1st" is an example of what type of region?

26. chemistry

How you solve P4(s)+5O2(g)------>P4O10(g) .if 2.50 grams of phosphorus is ignited in a flask how many grams of P4O10 are formed ?

1. List in order of importance three ways the United States was a factor in the canadian Confederation. defend your choices with examples 2. explain the concept of manifest destiny. how much of a threat to British North America was the United States? 3.

28. algebra

A baseball player hits a ball toward the outfield. The height h of the ball in feet is modeled by h(t) = -16t2 + 22t + 3, where t is the time in seconds. In addition, the function d(t) = 85t models the horizontal distance d traveled by the ball. If no one

29. statistics

Survey on concern for criminal in a survey 3 of 4 students said the court show too much concern for criminals find the probability that 3 out of 7 randomly selected students will agree with this statement

30. Chemistry

a potassium dichromate is prepared by 0.3525grams of K2Cr2O7 is enough water to yield 250.0mL of solution. a student then measures 10.00mL of an unknown solution of Fe2+ into an erlenmeyer flask and dilutes with 90mL of 1.0M hydrochloric acid. she then

46. MATH UGH WORD PROBLEM

About 7.5 gallons of water occupy one cubic foot. About how many gallons of water are in a clindrical water tank with dimensions with 100 ft radius and 40 ft height.

47. science

the standard enthalpy of formation of ammonia is -46 kj/mol. if the enthalpy of formation of hydrogen molecule is -436 kj/mol and that of nitrogen molecule is -712 kj/mol find the average bond enthalpy of N-H bond in ammonia

48. physics

Madison pushes with a 160-N horizontal force on a 20-kg crate of coffee resting on a warehouse floor.the floor of friction force of 24N.show that the box accelerates is 4m/s²

49. calculus

Twenty feet wire is used to make two figures? What is the maximum areas of enclosed figures.

50. Criminal justice

1. Legal guilt is concerned with whether a person is guilty according to: a jury. a judge. the police. the law. im confused between A and D

51. Physics

After a completely inelastic collision, two objects of the same mass and same initial speed are found to move away together at 1/5 their initial speed. Find the angle between the initial velocities of the objects.

52. Calculus

Find the absolute minimum and absolute maximum values of f on the given interval. f(t) = 8 cos t + 4 sin 2t, [0, π/2]

53. history

I wrote a DBQ on the industrial revolution, this is part of it: During the Industrial Revolution, the upper class lived without struggle, yet the working class suffered endlessly through dangerous working conditions. This demonstrates the impact

54. Physics

Consider the following distribution of objects: a 4.00-kg object with its center of gravity at (0, 0) m, a 1.20-kg object at (0, 3.00) m, and a 5.40-kg object at (2.00, 0) m. Where should a fourth object of mass 7.00 kg be placed so that the center of

55. managerial economics

An article in Business Week reported the discovery of a new processing technology that makes it economically feasible to turn natural gas into liquid petroleum that yields superclean gasoline, diesel fuel, or any other product derived from crude oil. This

56. English

Metaphor for repugnance His biggest repugnance is guest who are always late

57. chemistry

Unsure how to solve this without a formula... I think its combustion analysis? CxHy + O2 --> CO2 + H20 CxHY has a MW=78g/mol. 100g of CxHy yields 338g CO2 and 138g of H2O. What is the formula CxHY (what are x and y)? Balance the reaction equation. Any help

58. Chemistry

a solution is prepared by dissolving 3.7500grams iron(III) oxalate in enough water to make 125.00mL of solution. 1. what is the molar concentration of iron(III) oxalate in this solution? 2. what is the molar concentration of oxalate ions in this solution?

59. Physics

A puck with mass m = 0.17kg slides along a frictionless horizontal surface at v = 5.3m/s . It hits and sticks to the free end of a spring with k = 17N/m Find the amplitude and period of the subsequent simple harmonic motion?

60. physics

A train travel 20km at a uniform speed 60km/1hr and the next 20km at a uniform speed of 80km/1hr calculate its average speed

61. Chemistry URGENT/DR BOB

Dalton's Law of Partial Pressure consider the following container of helium at 45C. intially the valve is closed. After the valve is opened what is the pressure of the helium gas. your start points are 2.00 atm and 9.00L. after opening the valve you have

62. college math

The area of a wetland drops by 15 every 9 years. What percent of its total area disappears after 45 years?

63. English

Metaphor for confusion The math problem was a maze at trying to solve.

64. Algebra II

The diagram shows the plan made by a landscape artist for a homeowner's 16-meter by a 16-meter backyard . The homeowner has requested that rosebushes, fountain, and garden bench be placed so that they are no more that 14 meters apart. A). Has the landscape

65. Chemistry !

The solubility of Mn(OH)2 is 3.04 x 10^-4 gram per 100 ml of solution . A) write the balanced chem equation for Mn(OH)2 in aqueous solution B) calculate the molar solubility of Mn(OH)2 at 25 degrees celcius C) calculate the value of the solubility product

66. High school AP chem

The solubility of Mn(OH)2 is 3.04 x 10^-4 gram per 100 ml of solution . A) write the balanced chem equation for Mn(OH)2 in aqueous solution B) calculate the molar solubility of Mn(OH)2 at 25 degrees celcius C) calculate the value of the solubility product

67. MATH

what is a 3 sided polygon with 1 right angle?

68. chemistry

The molarity of an aqueous solution of barium hydroxide is determined by titration against a 0.335 M nitric acid solution. If 32.8 mL of the base are required to neutralize 21.5 mL of nitric acid, what is the molarity of the barium hydroxide solution?

69. Math

Venski and his brother have each agreed to mow half of the front lawn, which is a rectangle, 120 feet by 60 feet. The law mower cuts a 4-foot-wide strip. If Venski starts at one corner and mows around the lawn toward the center, on which trip around will

70. Chem 2 help

At a certain temperature, 0.800 mol of SO3 is placed in a 2.00-L container. 2so32so2 +o2 At equilibrium, 0.140 mol of O2 is present. Calculate Kc.

71. math

can a parallel rays form an angle explain

72. Algebra

The length of a rectangle is 1ft. more than twice the width, and the area of the rectangle is 66 ft^2. Find the dimensions of the rectangle. length: width:

73. Math

Columbus was born in 1451 and died in 1506. How old was he when he died? How many years ago did he die? He was 55 years old when he died He died 508 years ago

74. Chem

The solubility of Mn(OH)2 is 3.04 x 10^-4 gram per 100 ml of solution . A) write the balanced chem equation for Mn(OH)2 in aqueous solution B) calculate the molar solubility of Mn(OH)2 at 25 degrees celcius C) calculate the value of the solubility product

75. Math

6. Columbus' ships covered approximately 144 miles a day. How many miles would they have traveled in nine days? What was the average speed per hour? If there were two days when the weather did not permit movement, how many miles a day would they have to

76. physics

A certain hydraulic system is designed to exert a force 100 times as large as the one put into it. (a) What must be the ratio of the area of the slave cylinder to the area of the master cylinder? (b) What must be the ratio of their diameters? (c) By what

Find the absolute maximum and absolute minimum values of f on the given interval. f(t) = (t square root of (64 − t^2)), [−1, 8]

78. Programing

Write a full program that reads in an arbitrary sequence of integers from the standard input, and writes them to the standard output in sorted order and with all duplicates removed. You may assume the input contains at most 100 integers . What I have is

79. Physics Help

A bungee jumper undergoes simple harmonic motion with amplitude 3.5 m and frequency 0.135 Hz. Assume the bungee jumper follows the simple harmonic motion equation x=Acos(wt). A. Determine the bungee jumper's velocity at 0.25 s B. Determine the bungee

Find the absolute maximum and absolute minimum values of f on the given interval. f(x) = xe^((−x^2)/98), [−6, 14]

81. Statistics

9 points) In a normally distributed data set, find the value of the standard deviation if the following information is given. a. The mean is 226.2. x = 230. z = 0.2. Standard deviation

82. Math

Darla is building a desk. To make sure she had made a square corner, she measures 7ft from the corner along one edge, and 8ft from the corner of the other edge. How long should the diagonal be between those two points if the corner is a right angle?

83. English

Metaphor for repugnance His biggest repugnance is guest who are always late

84. physics

What is the smallest size plane mirror a 184-cm {\rm cm}-tall person should buy to see himself if he mounts the mirror on a vertical wall?

85. Algebra 11

The diagram shows the plan made by a landscape artist for a homeowner's 16-meter by a 16-meter backyard . The homeowner has requested that rosebushes, fountain, and garden bench be placed so that they are no more that 14 meters apart. A). Has the landscape

86. Chem 1

An 80.0-gram sample of a gas was heated from 25 degrees celsius to 225 degrees celsius. During this process, 346j of work was done by the system and its internal energy increased by 7785j. What is the specific heat of the gas?

87. Math

The demand for rice in Japan for a particular year was estimated by the general function q = f (p) =Ap^(-0.13), where p represents the price of a unit of rice, A represents a constant that can be calculated uniquely for a particular year, and q represents

88. Algebra

What is the sqrt(...) of y+3-4=5, where the sqrt is over y+3.

89. Math

1. Mackenzie spent a lot of time on her project for Columbus Day. On Monday she worked for 2 hours and 33 minutes on making a poster. On Tuesday she worked for 1 hour and 28 minutes drawing a picture of Columbus. On Wednesday she spent two hours building a

90. Physics-Gravitational Potential Energy

A satellite is given a boost of 540 MJ of energy to move it from its initial orbit at an altitude of 150 km to a higher altitude orbit. If the satellite has a mass of 1.16 ✕ 103 kg, what is the new altitude it reaches? Take the mass of the Earth to be

91. chemistry

If my original sample contained 7.1 grams of potassium chlorate. How many moles of oxygen gas would I expect to have evolved? Hint: Convert grams to moles of potassium chlorate, then use the mole ratio in the balanced equation. Balance this equation KClO3

92. Math

1. Mackenzie spent a lot of time on her project for Columbus Day. On Monday she worked for 2 hours and 33 minutes on making a poster. On Tuesday she worked for 1 hour and 28 minutes drawing a picture of Columbus. On Wednesday she spent two hours building a

93. Physics

A stone is dropped at t = 0. A second stone, with 4 times the mass of the first, is dropped from the same point at t = 110 ms. (a) How far below the release point is the center of mass of the two stones at t = 410 ms? (Neither stone has yet reached the

Find the absolute maximum and absolute minimum values of f on the given interval. f(x) = 2x^3 − 3x^2 − 72x + 7 , [−4, 5]

95. trig

a hot air balloon climbs continuously along a 30° angle to a height of 5,000 feet. To the nearest tenth of a foot, how far has the balloon traveled to reach 5,000 feet? Draw a sketch and then solve.

96. Accounting

An asset's cost includes all normal and reasonable expenditures necessary to get the asset in place and ready for its intended use. 01.) True 02.) False True or False?

97. Accounting

An estimated liability: 1. Is an unknown liability of a certain amount. 2. Is a known obligation of an uncertain amount that can be reasonably estimated. 3. Is a liability that may occur if a future event occurs. 4. Is not recorded until the amount is

Find the absolute maximum and absolute minimum values of f on the given interval. f(t) = (t square root of (64 − t^2)) ,[−1,8]

102. socials TO MS SUE OR ANYONE

List the factors that supported the confederation in the canada colonies in the 1800s and the factors that went against the confederation in the colonies. PLEASE help ASAP!!!!

103. Criminal justice

2. Courts of limited jurisdiction: try all criminal cases. hear appeals. hear only traffic cases. None of the above is it B 3. The exclusionary rule is: judicially created. a rule of exclusion. not found in the U.S. Constitution. All of the above is it D

104. chemistry

My original sample of mixed salt had a mass of 8.9 grams. After heating the mixture in the crucible and weighing it multiple times my final mass of salt ended up being 4.9. How many moles of oxygen were driven off? Lost on how to do this been a while since

Consider the following. f(x) = 8x (square root of (x − x^2)) (a) Use a graph to find the absolute maximum and minimum values of the function to two decimal places.

106. calcules

The demand for rice in Japan for a particular year was estimated by the general function q = f (p) =Ap^(-0.13), where p represents the price of a unit of rice, A represents a constant that can be calculated uniquely for a particular year, and q represents

107. biology

Sperm cells are moved out of the testes in the

108. central texas college

Can somebody help please!!!This is the first time that that I take a literature class, on English II in English and I can really use some help. I am taking English 1302, which is pretty much literature and the teacher told us to define some literacy terms,

109. Math

The formula r=2sqrt(...)5L can be used to approximate the speed r, in miles per hour, of a car that has left skid marks of length L, in feet. How far will Acari skid at 20 mph?

110. Math (how do you find the volume of a cone)

for example, a radius of 5 and a height of 20, could you please explain the steps? Thank you in advance!!

111. geometry

What is the vertex angle of an isosceles triangle with sides that measure of 22, 22, and 28 millimeters.

112. math angles

write 1 capital letter that has an acute angle and 1 that has a right angle.

113. Spanish Help

1. ¿Qué te pasó en ;a sala de emergencia? Me _____ una inyección. A. quemaron B. tomaron C. cayeron D. pusieron I said B 2. ¿Qué te pasó en el hospital cuando te rompiste la muñeca? Primero me sacaron ____ y luego me pusieron el yeso. A. la

114. Science

How are LASERS produced? Is it a useful daily source of light?

115. Math

What is the perimeter of a regular hexagon with sides measuring 3 1/2 feet

116. Algebra II

One method of irrigating crops is called the center picot system. This system rotates a sprinkler pipe from the center of the field to be irrigated. Suppose a farmer places one of these units at the center of a square plot of land 2500 feet on each side.

117. science

what is a diaphragm

118. math..help again

A photo lab manager graphed the cost of having photos developed as a function of the number of photos in the order. The graph is a line with a slope of 1/10th that passes through (10,6). Write an equation in slope-intercept form that describes the cost to

119. algebra

solve using the elimination method -2x+3y=5 2x-y=1 x+y=6 x-y=4

120. Common Core State Exam

I need some tips on dong the best I could do on the common core state exam. Please do the best you can to give tips. And if you know a website that will help me study, please do give it to me. Thank you for all you support and help :)

1. ¿Qué te pasó en ;a sala de emergencia? Me _____ una inyección. A. quemaron B. tomaron C. cayeron D. pusieron I said B 2. ¿Qué te pasó en el hospital cuando te rompiste la muñeca? Primero me sacaron ____ y luego me pusieron el yeso. A. la

122. math

A REGULAR HEXAGONAL PYRAMID HAS A SIDE LENGTH OF 3 INCHES A SLANT HEIGHT OF 6 INCHES AND a = 24 SQUARE INCHES. WHAT IS THE APPROXIMATE AREA SURFACE

123. math

When I am rounded to the nearest ten I am 40 the sum of my digits is 8 what two numbers can I be

I'd just like to know if I have these correct or not. 1. Los actores usan ______ para aprender su papel. A. un guión B. un director C. una escena D. unos efectos especiales I said C 2. Te gusta muho actuar, ¿verdad? ¡Claro que sí! Quisiera hacer _____

125. Algebra

I'm not sure how to write a radical sign on the computer but the problem is y+3-4=5 inside a radical sign.

126. social studies 9

why are people who are attached to religious orders ideally suited to leave their home country and take residence in a new land

129. Science

In the temperature forest what are interactions with other organisms

130. life sciences business studies geography maths lit

am doing this subjcts and totaly cnfusd abt ma career wht will i du aftr mtric plz help........ me

131. physics

An outdoor circular fish pond has a diameter of 4.00 m and a uniform full depth of 1.60 m . A fish halfway down in the pond and 0.70 m from the near side can just see the full height of a 1.80 m tall person. How far away from the edge of the pond is the

132. Physics

A 920kg car is 65m from a concrete barrier, travelling at 125km/h, when the driver notices and slams on the breaks. The frictional force acting on the car is 8500 N. Is ther driver able to stop the car before hitting the barrier.

133. Biology

The purines in DNA are A.thymine and cytosine B.thymine and guanine C.adenine and guanine D.adenine and cytosine

152. Accounting

Internal control devices for banking activities include signature cards, deposit tickets, checks, and bank statements. 01.) True 02.) False True or False?

153. Physics

What pressure is exerted by the tip a nail struck with a Force of 20,000N? Assume the tip is a 1.5mm-radius circle.

154. Science

how does interdependence of organisms within an ecosystem aid survival in a temperate forest

what is the next number in the sequence 1,3,9,27,______ I'm confused on the skip counting they use.

156. Math

What is y+3-4=5, with the sqrt.(...) sign over y+3

157. Physics

For the system of two crates and a pulley in the figure below, what fraction of the total kinetic energy resides in the pulley? (Assume m1 = 14 kg, m2 = 10 kg and mpulley = 5 kg.) (( o )) | | | | [m1] | [m2]

158. Math

5. There was a drawing for a prize at the Columbus Day celebration downtown. The prize was a scale model of the Santa Maria carved from a single piece of wood by a local artist. It was a beautiful ship and Jose really wanted it. Each \$2.25 ticket bought