# Questions Asked onMarch 11, 2010

1. ## psychology

if family planned to spend \$370 for food during March but spent only \$348,this difference would be referred to as a: a)surplus b)deficit c)budget reduction d)contribution to net worth IS D RIGHT ANSWER? THANK YOU:))))

2. ## Math

Which uppercase letters of the alphabet have rotational symmetry?

3. ## Auditing

1. Which of the following matters would an auditor most likely consider to be a significant deficiency to be communicated to the audit committee? A. Management's failure to renegotiate unfavorable long-term purchase commitments. B. Recurring operating

4. ## Math (Analysis)

Suppose that A has exactly three elements and B has exactly two. How many different functions are there from A to B? How many of these are injective? How many are surjective?

5. ## Math

A box has a bottom with one edge 7 times as long as the other. If the box has no top and the volume is fixed at V, what dimensions minimize the surface area?

6. ## another rotation

A hollow cylinder (hoop) is rolling on a horizontal surface at speed v = 1.85 m/s when it reaches a 23.5° incline.How far up the incline will it go? How long will it be on the incline before it arrives back at the bottom? Again, I am so confused about

7. ## math

Lydia Rise us building a terraium and needs to buy two sizes of gravel and soil to go in the bottom. The terraiun is 24 in longs, 14 in wide, and 15 in tall. A.The bottom layer is pea gravel and needs to be 2 inches deep. How many cubic inches will she

8. ## Chem hw!

1. What pressure would be needed to compress 25.1 mL of hydrogen at 1.01 atm to 25% of its original volume? 2. If the pressure on a 1.04-L sample of gas is doubled at constant temperature, what will be the new volume of the gas? 3. A 1.04-L sample of gas

9. ## physics

The CM of an empty 1300 kg car is 2.40 m behind the front of the car. How far from the front of the car will the CM be when two people sit in the front seat 2.80 m from the front of the car, and three people sit in the back seat 3.80 m from the front?

10. ## chemistry correction

1. Which two elements react vigorously with each other? A: Chlorine and lithium B:Chlorine and potassium C:iodine and lithium D:iodine and potassium my answer is B 2. which statement about electronegativty is correct. A: Electronegativity decrease across a

11. ## Math

Greg is opening a car wash. He estimates his cost equation as C= 5000 +0.05x and his revenue equation as where R=1.9x is the number of cars washed in a six-month period. Find the number of cars that must be washed in a six-month period for Greg to make a

12. ## chemistry

Compare a mole of Ag-108 and a mole of Pt-195 using atoms, protons, electrons, and neutrons.

13. ## chemistry

need answer to the following: for each molecular compounds, write the name corresponding name or write chemical formula to: A)nitrogen pentasulfide B)diphosphorus pentasulfide C) AS2S3 D)PBr5

14. ## Math

In 1920, the record for a certain race was 46.6 sec. In 1980, it was 45.4 sec. Let R(t)= the record in the race and t = the number of years snce 1920. a) Find a linear function that fits the data R(t) = b) Use the function in (a) to predict the record in

15. ## English

Can you, writeacher, please tell me if the following statements are correct? 1)The mirror spends its time looking at the opposite wall. The only time when he changes his observation (can you suggest to me a better word?) is when a woman bends over it to

16. ## Calculus

Find the normals to the curve xy + 2x - y = 0 that are parallel to the line 2x + y = 0. I can find the normal lines and the slope but I don't know what I'm suppose to do with the line 2x + y = 0

17. ## Chem

Solid carbon dioxide (dry ice) goes from solid to gas at -78C. The molar heat of sublimation is 25.3 kj/mol. In one experiment 34.5g of dry ice are placed in an insulated isolated container with 500 g of water at 25C. What temp of the water is expected

18. ## Chemistry

Given an unknown mixture consisting of two or more substances, explain how we could determine whether that mixture is a true solution, a colloid, or a suspension

19. ## science

If a atom has 26 protons, 26 electrons, and 30 neutrons, what is its mass number?

20. ## Chemistry

Calculate the decrease in temperature when 2.00 L at 20.0 C is compressed to 1.00 L

21. ## precalculus

an airplane flying at 550 miles per hour has a bearing of N 52(DEGREES)E. After flying 1.5 hours, how far north and how far east has the plane traveled from its point of departure?

22. ## chemistry

how do u calcualte the percent of hydrogen and carbon if given their mass in grams?

23. ## Algebra 2

Carbon Dating: Use the formula y= ae^-.00012t where a is the initial amount of carbon-14 , t is the number of years ago the animal lived, and y is the remaining amount after t years how old is a fossil remain that has lost 95% of its carbon-14

24. ## physics

How far will 350 joules raise a block weighing 7 newtons?

25. ## Determinants

Why are finding determinants important? Aside from Cramer's rule when are determinants used?

26. ## Chemistry II (College)

How would I go about solving this problem? Can someone show me an equation that can be used? The decomposition of dimethyl ether at 504°C is a first-order reaction with a half-life of 27 min. (CH3)2O(g) CH4(g) + H2(g) + CO(g) (a) What will be the partial

27. ## Math

solve the polynomial equation (x+5)(x+1)=45

28. ## geometry

In ΔABC, AB is of the length of , and AC is of the length of . The perimeter of ΔABC is 24. (a) AB = ___units. (b) AC = ___units. (c) BC =___ units

Approximate the equation's solutions in the interval (0,2pi) sin2x sinx = cosx 2cos(x) (1/2-sin^2x) = 0 Then I got 3pi/2, pi/2, pi/6 and 5pi/6 Then I substituted 0-3 and got 3pi/2 , 5pi/2 , 9pi/2 , pi/2, pi/6, 7pi/6, 13pi/6 , 19pi/6 , 5pi/6 , 11pi/6 ,

30. ## Algebra 2/ Chemistry?

Carbon Dating: Use the formula y= ae^-.00012t where a is the initial amount of carbon-14 , t is the number of years ago the animal lived, and y is the remaining amount after t years how old is a fossil remain that has lost 95% of its carbon-14

31. ## Math

How do you show 33/100 as a reduced fraction? The answer choice is suppose to be approximately.

Two masses, mA = 35.0 kg and mB = 42.0 kg, are connected by a rope that hangs over a pulley (as in the figure). The pulley is a uniform cylinder of radius 0.50 m and mass 4.8 kg. Initially mA is on the ground and mB rests 2.5 m above the ground. If the

If cos A-1=0, where 0

34. ## Chem hw!

1. What pressure would be needed to compress 25.1 mL of hydrogen at 1.01 atm to 25% of its original volume? 2. If the pressure on a 1.04-L sample of gas is doubled at constant temperature, what will be the new volume of the gas? 3. A 1.04-L sample of gas

35. ## precal

find the exact value: sin(315-60)

36. ## math 12 logarithms

I need to express log base 5 sqrt5 =0.5 in exponential form. Would it be 5^0.5 =sqrt5. I'm not really understanding this unit very well. Any explaination would be greatly appreciated.

37. ## Math

Write an equation of the line containing the given point and parellel to the given line. (2,-6); 9x-5y=4

38. ## algebra

On three consecutive passes, a football team gains 6 yards, loses 36 yards, and gains 16 yards. What number represents the total net yardage?

39. ## chemistry

by the way, how can you tell if work is 0 for 2 mol of solid iron (C = 25:1 J/(molK)) is heated from 20C to 200C. How much does its internal energy change?

40. ## chemistry

For the reaction: Mg + 2 HCl => MgCl2 + H2 a) How many grams of HCl are required to react with 62.0 g of Mg?

41. ## math_pre-calc

Find the equation of a circle that passes through the points (6,3) ans (-4,-3) and whose center lies on the line y=2x-7

42. ## chemistry

double indicator titration of phosphoric acid with sodium hydroxide

43. ## Math (Geometry)

A rectangle has a perimeter of 12 m. If each side is a whole number of meters, what are the possible dimensions for the length and width? List them and explain your answer.

44. ## physics

A rocket of total mass 2580 kg is traveling in outer space with a velocity of 111 m/s. To alter its course by 32.0 degrees, its rockets can be fired briefly in a direction perpendicular to its original motion. If the rocket gases are expelled at a speed of

45. ## English

I need a good hook for an essay. The essay's about being a peer for the children at my school who are mantally disabled. My 1st paragraph is about what I do in the class, 2nd is about the kids, & 3rd is about special olumpics. Help PLEASEE!!!??

46. ## Child Care Management

I have a questions that I have answered If some one could just check it Thanks. Neuron development and elaboration, which occurs between birth and age 10, is prompted by A.aural prompts from the family,school, and enviroment. B.physical movement on the

47. ## college physics

Now assume that the pitcher throws a 0.145 kg baseball parallel to the ground with a speed of 32 m/s in the +x direction. The batter then hits the ball so it goes directly back to the pitcher along the same straight line. What is the ball's velocity just

48. ## English

Can you writeacher tell me if the following statements are correct. I know they are not dictionary definition but I would like to know if they are possible in English. Thank you for your cooperation. 1) A third-person narrator tells the story in third

49. ## chemistry

Explain how you would convert from number of atoms of a specific element to its mass??

50. ## English

Is there a website that you can type in a sentence and it will give you the parts of speech of that sentance?

51. ## math2

Solve the problem. You traveled 189 miles on 7 gallons of gasoline. At this rate, how many gallons of gasoline would you need to travel 297 miles?

52. ## english

compound words -which is correct thirty one -self-evident -QUICKLY-RUNNING -OR SPUR OF THE MOMENT-DECISION

You conduct a survey of a sample of 25 members of this year’s graduating marketing students and find that the average GPA is 3.2. The standard deviation of the sample is 0.4. Over the last 10 years, the average GPA has been 3.0. Is the GPA of this

54. ## social studies

how did egypts social pyramid shape life in the new kingdom?

55. ## poetry

want to write a poem about vehicle

56. ## Chemistry

I am asking for the balanced equation for NaOH and ammonium chloride. And what what gas is given off with this two react when heated.

57. ## calculus/physics

A force of 10 pounds stretches a spring 2 inches. Find the work done in stretching this spring 3 inches beyond its natural length

58. ## physics

the melting temperature of magnesium is 650c what is the melting temperature of magnesium in fahrenheit

59. ## science

mass is usually measured in?

60. ## science

Liters and milliters are used for measuring?

61. ## Algebra II

The Officejet printer can print a dissertation in 10 minutes. It takes the Deskjet printer 16 min to copy the same document. If the two machines work together, how many minutes will it take to copy the document?

62. ## statistics

In hypothesis testing, why are verbal problem statements converted to numerical problem statements? Why is it important to identify the parameter when converting a problem statement from verbal to numerical? Why do a null and alternative hypothesis have to

63. ## physics

A long straight wire of radius R = 1 cm carries a total current I = 1 Amp which flows uniformly through the cross-section of the wire. Draw a diagram of this wire and the current and the magnetic field which is produced. Using Ampere’s law solve for the

64. ## Math

Show that Euler’s formula holds for the polyhedra described in A right pentagonal prism

65. ## Science

After a soccer ball is kicked into the air, what force or forces are acting on it?

66. ## physics

A circular conducting hoop of wire has a constant magnetic field |~B | = 1.7 Tesla passing through it so that the field direction is perpendicular to the plane of the hoop. There is an EMF induced in the hoop with magnitude 2.6 Volts because the hoops area

67. ## science

A skater is coasting alone the ice without sexerting any apparent force. Which law of motion explains the skater's ability to continue moving?

68. ## physics

a 2400-lb (=10.7-kn)car traveling at 30 mi/h (=13.4m/s)attempts to round an unbanked curve with a radius of 200ft (=61.0m).(a) what force of friction is required to keep the car on its path?(b) what minimum coefficient of static friction between the tires

69. ## general chemistry

The red line in the hydrogen line spectrum corresponds to to which electron transition?

70. ## Math!

A store receive an invoice for \$1773.75 dated January 23 with terms 3/10, 1.5/25, n/45. a) What is the balance after a payment of \$1250 on Februray 2? 1250/(1-.03)=1288.66 1288.66-1773.75=485.09 Answer for (a)\$485.09 b) What additional payment on February

71. ## windows XP

On a shared folder, Read permission allows a user to display folder names, filenames, file data, and attributes; run program files; and change folders within the shared folder. True or false?

72. ## French

Could you check these thanks. We are working on les actions réciproques. 1. Pierre parle à Marie. Marie parle à Pierre. Answer: Ils se parlent. 2. Pierre aime Marie. Marie aime Pierre. Answer: Ils se aiment. 3. Je t'aime. Tu m'aimes. Answer: Nous nous

73. ## algebra

Katie is finding the standard form of the equations y = x2 + 6x + 4. What mistake did she make in her work? Show the correct answer.

74. ## Geometry

Give the dimensions of a picture frame that is a golden rectangle.

75. ## algebra

150/-15 divide if possible

76. ## grammar

1. red hots and candy corn (is,are)johns favorite candy. (is) 2. neither Alex nor the rest of the group (is,are) interested in the trip. (are) 3. both benny and jerry (dislikes,dislike)winter. (dislike) 4.fruits and vegetables (is,are)part of a balanced

77. ## algebra

-x/5 = 1/16 solve using the multiplication principle

78. ## Math!

Pls help me on this, i dunno the answer but i got the answer of my own, but its wrong nad this paper is already marked, but i still cant seem to understand how to solve this! A furniture store bought an item for \$810 less 15%. The store's expenses are 38%

79. ## algebra

-72 / (-92) rewrite the division as a multiplication

80. ## physics

A 12100 kg railroad car travels alone on a level frictionless track with a constant speed of 20.5 m/s. A 5850 kg load, initially at rest, is dropped onto the car. What will be the car's new speed?

81. ## algebra

use multiplying by one to find and expression equivalent to 16/5 with a denominator of 15y. type as a fraction

82. ## algebra

use a commutative law to find an equivalent expression for 94 + xy

graph 9/4

84. ## algebra

translate to an algebraic expression. use x and y for variables. three less than a product of two numbers

85. ## Computer Science

Using the operations push(E obj), peek(), pop(), empty() give a Java implementation of the method // Reverses the elements in the stack //and returns the result. // The stack passed as an argument to //reverse() will be // destroyed upon return. public

86. ## algebra

m = n-16 solve for m

87. ## physics

A 250. MW coal-fired power plant burns fuel with an energy density of 35.0 MJ kg-1. Water enters the temp reduction tower at 293 K and leaves at 350. K at a rate of 4200. kg s-1. 4. Calculate the energy removed by the water each second. 5. Calculate the

88. ## math

Geral and michelle went on a 24 bike-ride. By lunch time they had ridden 5 eigth of the total distance. How many miles did they have left to ride after lunch?

89. ## Math

Hi I need help figuring out these to word problems. Tom has created a scale drawing of his property for use in designing a landscape plan. 1 in on is drawing corresponds to 12 ft. There is a pond that is 112 ft. long on his property. How long will it

90. ## Algebra II

The Officejet printer can print a dissertation in 10 minutes. It takes the Deskjet printer 16 min to copy the same document. If the two machines work together, how many minutes will it take to copy the document?

91. ## physics

Two balls, of masses = .029 kg and = .06 kg, are suspended. The lighter ball is pulled away to a 60 degree angle with the vertical and released. What is the speed of the lighter ball before impact?

92. ## English

The popularity of blogging isan example the public producing the media the public regulating the meadia or could the answer be both above

93. ## Math!

A store receive an invoice for \$1773.75 dated January 23 with terms 3/10, 1.5/25, n/45. a) What is the balance after a payment of \$1250 on Februray 2? 1250/(1-.03)=1288.66 1288.66-1773.75=485.09 Answer for (a)\$485.09 b) What additional payment on February

94. ## Word Problem

Measuring Trees Problem. Jared wants an estimate of the height of some of the trees near his lake house. Use ideas of size transformations to design a plan for him to use his height to estimate accurately a tree’s height without directly measuring the

95. ## English

Hi, I am writing an essay and I noticed that I am using "but, however, and instead" constantly. I was wondering if you know any other similar words I could use.

96. ## his 135

Describe the social structure and lifestyles of the 1960’s Counterculture. How did the Vietnam War influence the Counterculture? Do you think there is a counterculture today?

97. ## Biology

Hi there, Could you help me come up with four arguments as to why xenotransplantation should not receive all the funding that stem cell research now receives. Sabrina

98. ## college govt 2302

what was the summary of Federalist paper no. 10 by james madison?

99. ## Chemistry

What is the wavelength of radiation that has a frequency of 5.8 X 10^12 s-1? I keep getting 5.17e19 but it keeps saying that's wrong. Help!

100. ## Com/220

My topic is Affects Of Gun Control on Teenagers.What Introduction and Conclusion do I start with

101. ## Math questions

What are some examples of regular polyhedra? What are some examples of other important polyhedra? What characteristics help you determine whether a polyhedron is regular or irregular? How can you check for symmetry and rotational symmetry of polyhedra?

102. ## math

Write the probability as a decimal,percent and fraction. C) has a "50-50" chance D) will happen about 3 times out of 4 E) has 2 chances in 3 of happening C)0.5,50%,50/N D)0.75,75%,3/4 E)0.66,66%,2/3 Thanks!:) PsyDAG Is my Answer correct?

103. ## History

This was one of my few questions that i was struggling with. A) Describe the growth of North American slavery from 1619 to 1789. Include the status of the first Africans in North America, laws later established to govern them, and the reasons why planters

104. ## college

Write a 350-700 -word response describing each court level and its responsibilities. Then, describe the two main differences you found between the state and federal court systems.

105. ## pulley and rotation

Two masses, mA = 35.0 kg and mB = 42.0 kg, are connected by a rope that hangs over a pulley (as in the figure). The pulley is a uniform cylinder of radius 0.50 m and mass 4.8 kg. Initially mA is on the ground and mB rests 2.5 m above the ground. If the

106. ## Calculus

Find the normals to the curve xy + 2x - y = 0 that are parallel to the line 2x + y = 0. I can find the normal lines and the slope but I don't know what I'm suppose to do with the line 2x + y = 0

107. ## geometry

In the diagram, ABCDE is a regular pentagon with the measure of represented by 2x + 1. If the perimeter of the pentagon is 45, find the value of x.

108. ## rotations2

A hollow cylinder (hoop) is rolling on a horizontal surface at speed v = 1.85 m/s when it reaches a 23.5° incline.How far up the incline will it go? How long will it be on the incline before it arrives back at the bottom?

109. ## math214

Find 28° 29’ 46” - 16° 48’ 59’’

110. ## estimating

A security analyst specializing in the stocks of the motion picture industry the relation between the number of movie theater tickets sold in December and the annual level of earnings in the motion picture industry. Time-series data for the last 15 years

111. ## Algebra

Factor completely this trinomial 3y^3+15y^2+18y

112. ## SOCIAL STUDIES

U. S. GOVERNMENT ENFORCEMENT OF ENVIRONMENTAL REGULATION HELP PROMOTE ECONOMIC GROWTH AND STABILITY?

113. ## Geometry

a line has the equation 2x + 5y = 7. another line passes through (3,6) and (k,9). what value for "k" will make the lines parallel? please tell me HOW to do this, too! thanks!

114. ## Math

Three planes: x+y-2z=1 2x+z=y-4 -3x-y+z=-2 They intersect at: (a) (-2/5,5,9/5) (b) no common intersection (c) r=(5/3,-2/3,0)+&(1,5,3) (d) r=(0,-4,-5)+%(1,5,3) &/%=signs like alpha and beta, used in vector eqns Please help! I just can't get the answer to

115. ## health

a pretrail conference most likely would occur

116. ## govt 2302

i have read the summary of federalist paper no 10 but im still not understanding madisons stand on the constitution. does he favor it?

117. ## com 150

what kind of conclusion does the writer use? what is the impact of that kind of conclusion in this essay? the essay is : the difference between sin and circumstance.

118. ## College Math!

A store receive an invoice for \$1773.75 dated January 23 with terms 3/10, 1.5/25, n/45. a) What is the balance after a payment of \$1250 on Februray 2? 1250/(1-.03)=1288.66 1288.66-1773.75=485.09 Answer for (a)\$485.09 b) What additional payment on February

119. ## algebra

In a large survey, it was discovered that 1 out of every 5 adults visits Disney World every year. If 30 adults are randomly selected, what is the probability that exactly 7 of them will visit Disney World this year?

120. ## Chemistry

2H2 (g) + O2 (g) 2H2O (g) what is the likely magnitude of the equilibrium constant? a) k < 10 ^-3 b) 10^-3

121. ## personal finance

Tax-deffered retirement plans a type of: a)exemption b)itemized deduction c)passive income d)tax shelter Is C CORRECT ANSWER?THANK YOU:)))

122. ## math

Let {xn} be a sequence converging to á.? Suppose the errors en = |xn – á| satisfy en+1< or = Men^2en -1 for some constant M>0. What can be said about the order of convergence?

123. ## Physics

what is the weight of a 10kg object on the moon if it is 1/6 that of the earth?

124. ## math

You roll 2 six-sided dice. Give the probability of rolling the total 2.

125. ## Precalculus

Rosea drives her car 30 kilometers to the train station, where she boards a train to complete her trip. The total trip is 120 kilometers. The average speed of the train is 20 kilometers per hour faster than that of the car. At what speed must she drive her

126. ## Chemistry

For a reversible reaction where A + B (both arrows) C + D, the equilibrium constant is represented by kc = 5.3 = (c)(d)/(A)[B]. Initially A and B are present at 2.00 M each. What is the final concentration of A once equilibrium is reached. I made an ICE

127. ## government 2302

what would you say the main difference between a republican and a democratic is? thank you for the help ms sue!! :)

128. ## math

A landscaping company sells 40-pound bags of top soil. The actual weight x of a bag, however, may differ from the advertised weight by as much as 0.75 pound. Write an inequality involving absolute value that expresses the relationship between the actual

129. ## Pre-Cal

sqrt2 /10 Do I just leave this as sqrt2/10 or can I reduce it to sqrt1/5?

130. ## physics

A 250. MW coal-fired power plant burns fuel with an energy density of 35.0 MJ kg-1. Water enters the temp reduction tower at 293 K and leaves at 350. K at a rate of 4200. kg s-1. 4. Calculate the energy removed by the water each second. 5. Calculate the

131. ## world history

how did the search for religious freedom affect the founding of colonies in american?

132. ## govt 2302

do you think being a conservative democrat contradicts itself?

133. ## Writng and imaging

I need a picture to represent these thing but its confusing. 1) Society 2) Being Chosen 3) Being Judge or Characterized by race or money

134. ## Math

Find the slope, if it exists. 60x-40y+15=0. I'm stumped on this problem Could someone please help.? Thanks.

135. ## Science

What two things must be measured to find the speed of a moving bicycle? a. mass and inertia b. distance and time c. gravity and friction d. position and motion

136. ## Scince

What is hidrogen?

137. ## english

what is a good thesis statement for jim crow laws?

138. ## chemistry

how many joules of heat are used in raising temp of 25 g of water from 20 to 35 degrees celcius

139. ## Math

How do I show 33/100 = 1/3, step by step?

140. ## algebra

y=.09(sq)-x+11.5 need to find y if x=10

141. ## Physics

If two resistors are connected in parallel, I know that they share the same voltage but how would you determine their current?

142. ## Math

A store receive an invoice for \$1773.75 dated January 23 with terms 3/10, 1.5/25, n/45. a) What is the balance after a payment of \$1250 on Februray 2? 1250/(1-.03)=1288.66 1288.66-1773.75=485.09 Answer for (a)\$485.09 b) What additional payment on February

143. ## TRIG MATH

If sin theta= -7/8, then the value of 1/cot theta in the interval 3pi/2

144. ## math

What is the least common denominator of the rational expressions x-1/x^2+8x+7 and -3/x^2+x

145. ## Algebra

Solve using the elimination method. Show your work. If the system has no solution or an infinite number of solutions, state this. 1/5x -1/4 y = 3 2/5x + 1/2y = 2

sqrt2 /10 Do I just leave this as sqrt2/10 or can I reduce it to sqrt1/5?

147. ## chemistry

There are 50.0 grams of NH3 + Na which produce NaNH2 + H2 (unbalanced) How much grams is produced with the excess of the reactant?

148. ## Physics

In the circuit below all light bulbs are identical. In order of brightest to dimmest the light bulbs are ... This is the best I could do, to try and replicate what the original circuit looks like : where the x's are just the wire; A,B, C, D, and E are the

149. ## science

The earth exerts a force of 2200N on an orbiting communications satellite that is 35mi above the earth..What is the magnitude of the force the satellite will exert on the earth??

150. ## Geometry

Find the perimeter and area of a square with diagonal length of 20cm.. Leave your answer in simplest radical form

151. ## Maths

The line r=(2,3,4)+µ(-1,0,3) and the point (6,0,2) form which plane: (a) r.(-1,0,3)=10 (b) r.(9,10,3)=60 (c) r.(2,3,4)=29 (d) r=(2,3,4)+µ(-1,0,3)+ù(6,0,2) Please help!!! Thanks!

152. ## math

How many liters are in 200 milliliters

153. ## classroom instruction

how will you teach and talk to students about the war? this is what i said How I would teach my class about a war is have a Veteran come in that was from the war. Before the veteran came into the class to answer any questions that the students may ask, the

154. ## Geometry

Find the perimeter and area of an equilateral triangle with a height of 24in.

155. ## Physics

What is the direction of the net magnetic field at the point? I'll describe the figure here: Imagine a cartesian plane. At (0,y) is a wire carrying a current out of the screen. At (0, -y)is a wire carrying identical current out of the screen. At (x, 0) is

literary terms in wreck of the hesperus

157. ## Chemistry

What is the hydroxide ion concentration in a solution with [H3O-] = 7.67 x 10^-9M

158. ## Chemistry

Find the Ph of solutions with the concentrations 1.15 x 10^-6M

159. ## personal finance

must calculate whether a couple should rent or buy a home.

160. ## Chemistry

A 8.6 x 10^-3M solution of H3PO4 has a pH=2.30. What is Ka for H3PO4

161. ## Algebra

How do Isolve this, 10q-25q to the 2nd power

162. ## science

YOUR DESK IS CLASSIFIED AS A SOLID BECAUSE IT HAS A DEFINITE SHAPE AND VOLUME AT?

163. ## math 12 logarithms

How would I go about proving 1/log a +1/log a = 1/log base 100 a. Any help would be greatly appreciate. Thanks

164. ## Geometry

In triangle XYZ,Cos X = 0.4 What is the length of XZ?

165. ## Geometry

In a triangle Cos X = 12\13 What are sinx and tanx?

166. ## chemistry

State one method of preparing oxygen in the lab and wrte a balanced equation for the reaction

Complete the identity secQ - 1/secQ = secQ Is this correct?

168. ## college

You are trying to overhear a juicy conversation, but from your distance of 16.0 , it sounds like only an average whisper of 20.0 . So you decide to move closer to give the conversation a sound level of 65.0 instead. How close should you come?

169. ## Pre-Cal

Find cos(2x) if sin = 7/25 and x lies in quadrant 1 My answer was 336/625 but this was wrong. I do not know how to figure this out.

170. ## math

1. Sphere C(-2,1,-3), radius=7. T plane at (4,-2,-1)=? (a) 6x-3y+2z=0 (b) r.(6,3,2)=28 (c) 5x-3y-2z=28 (d) r.(6/7,-3/7,2/7) 2. Sphere (x-1)²+(y-5)²+(z-2)²=49 and planr r.(-2,-6,-3)=0 form which circle?(a) (x-1)²+(y-5)²+(z-2)²=19.53 (b) C(0,0,0),

five marbles in a jar are green. the odds against choosing a green marble are "4:1" how many marbles are in the jar

172. ## statistics

The accounting department at Weston Materials, Inc., a national manufacturer of unattached garages, reports that is takes two construction workers a mean of 32 hours and a standard deviation of 2 hours to erect the red barn model. Assume the assembly times

173. ## Precalculus(URGENT)

Number of possible turning points in the following equation f(x)=x^2(x-3)(x+4) show work please

174. ## chemistry

how many moles are in a 65L sample of chlorine gas at 10degrees Celcius?

175. ## Math

The function W(d) = 0.112d approximates the amount in centimeters of water that results from d cm of snow melting. find the amount of water that results from snow melting from depts of 15cm, 26 cm, 70 cm

176. ## chemistry

A chemist has 12.0 M HBr and would like to use it to make 500.0 mL of 3.5 M HBr. describe how she should do this

177. ## algebra

The equation y =-1777+27,153 can be used to predict the number y of gun deaths in the United States x years after 2000, that is, x=0 corresponds to 2000, x=2 corresponds to 2002, X=6 corresponds to 2006, and so. Predict the number of gun deaths in 2006 and

178. ## science

explain what causes lightning and thunder.

179. ## Math

In 1920, the record for a certain race was 46.6 sec. In 1980, it was 45.4 sec. Let R(t)= the record in the race and t = the number of years snce 1920. a) Find a linear function that fits the data R(t) = b) Use the function in (a) to predict the record in

180. ## algebra

The function H described by H(x) =2.75x+71.48 can be used to predict the height, in centimeters, of a woman whose humerus (the bone from elbow to the shoulder) is x cm long. Predict the height of a woman whose humerus is 32 cm long.

181. ## health

1 page paper about how you can help contribute to a healthier enviromnet

182. ## math

peter bought a bag of candy. He gave away ten percent of the candy too his wife and the gave three pieces to meg. he gave one forth of what he had left to his friend joe and then ate half of the remaining 18 peaces of candy. How many pieces of candy were

183. ## math

A TV reporter said that twice as many woodlands were lost this year to fire than in the preceding year. He claimed this was an increase of 200%. Was he correct?

184. ## CMIS

What is the current practical limit on the number of GEO satellites?

185. ## algebra

find the equation for x x-11 1/2 = 11 1/12

186. ## physics

A helium balloon and its gondola, of mass M, are in the air and stationary with respect to the ground. A passenger, of mass m, then climbs out and slides down a rope with speed v, measured with respect to the balloon. With what speed (relative to Earth)

187. ## math

What is the height of an equilateral triangle that has sides of length 1 cm?

188. ## Incorrect comma usage?-

This begins with the titan Cronos’ mother, Earth, who encourages her children to overthrow their father, Heaven, because out of dislike, he keeps them locked away. does this look right?

189. ## CHEM

Suppose that the microwave radiation has a wavelength of 10.8 cm. How many photons are required to heat 225 mL of coffee from 25.0*C to 62.0*C ? Assume that the coffee has the same density, 0.997 g/mL , and specific heat capacity, 4.184 J/(gK), as water

190. ## Vocab for cultures & devel

sentence for homogeneous

191. ## vocab for cultures * dev

sentence with the word & meaning with commune

192. ## Computer science

PLEASE SOMEONE HELP ME! I need help calculating the charges and setup to display savings. 1. Help with calculations. No matter the numbers i input just the base rate comes up. 2. I need help changing the code to "Modify the program so it calculates and

193. ## Math 98 pre algebra

14 and 2/3 times 2 and 2/11 divided by 3 and 3/8. i got =234 and 1/4 am I correct and if not what is the answer?

194. ## vocab cultures & dev

sentence with the word cultural diffusion in it

195. ## vocab cultures & dev

a sentence with the word communist in it

196. ## pre alg

(-4)cubed divided by (-2)cubed -3(-5)squared I got -67 am i correct?

197. ## pre algbra

3x(cubed)times y, -2xy(cubed), -5x, how many terms do you see and what is the product of their coefficients?

198. ## pre algebra

last question, the number of students rose from 6300 in 2004 to 8505 in 2005 what is the % increase?

199. ## Math

A box has a bottom with one edge 7 times as long as the other. If the box has no top and the volume is fixed at V, what dimensions minimize the surface area? Please help me find the COMPLETE dimenssion of the box.

200. ## Biology

Need help with these--- 14. Which of the following is present in an insect but not in arachnids? a. mandibles b. compound eyes c. jointed appendages d. segmentation 16. The exoskeleton of an insect a. does not have any muscles attached to it b. is moved by

log5(1+.03%)

202. ## Precalculus

Number of possible turning points in the following equation f(x)=x^2(x-3)(x+4) are there 2 turning points or three turning points on the graph

203. ## Accounting

FIN 200 Checkpoint: break even analysis

204. ## physics

two charged objects carry a negative charge of 2*10c. calculate their distance apart

205. ## science

"Two children who are fighting over a toy pull on it from opposite sides. The result is a stand-off. Explain this in terms of the net force."

206. ## physics

two charged objects carry a negative charge of 2*10c. calculate their distance apart if the force between them is 10n

207. ## science

The speed of a rain is reduced unformly from 10m/s to 5m/s while covering a distance of 50m.What is its acceleration??

208. ## psychology

Explain how having a negative self-schema affects one’s social interactions. How does social intelligence affect one’s responses in any given situation? How might a person’s self-guides affect his or her perspective of the world?

209. ## hum 130

What are some of the new developments in the Islamic world? Select at least two and describe them.

210. ## Math

Differentiate in terms of x: 1] y = cos^3 5x 2] y = sec^2 3x

211. ## Chemistry

You have KI and Pb(NO3)2 being mixture to give you an insoluble salt. What is the ionic equation per insoluble salt.

212. ## Chemistry

What is a balance equation for sulphuric acid and copper oxide and please explain how you got the correct answer.

213. ## biology

Why is cell culture one of the most valuable technical achievements in the entire study of biology?

214. ## math (always)

if peter has 60 basball cards in his collection how many baseball football and basketball cards does he have? my answer was-20 baseball cards 10 football cards 10 basketball cards

215. ## chem

Hexane, a component of gasoline, releases more energy per mole when it combusts than does nitroglycerine when it explosively decomposes. Explain why hexane is a better fuel and nitroglycerine is a better explosive. Is it because hexane release its energy

A rectangle has a perimeter of 12 m. If each side is a whole number of meters, what are the possible dimensions for the length and width? List them and explain your answer.

217. ## Accounting

Your department’s accounting software is extremely outdated and you have included the purchase of new software in this year’s fiscal budget. You have decided it is time to start looking into purchasing your company’s accounting software and have

218. ## chemistry

Question about titration calculations in analysis of antacids lab. We did a lab yesterday with antacids, HCl and NaOH and I'm having trouble doing the calculations. The information known is the following: 1)0.10M NaOH 2)0.10M HCl 3)Mass of Antacid .22g

what chemicals are being added together in the chemical equation of 2HCL + Ca -> CaCl2 + H2

220. ## grammar

check if they are right 1. red hots and candy corn (is,are)johns favorite candy. (is) 2. neither Alex nor the rest of the group (is,are) interested in the trip. (are) 3. both benny and jerry (dislikes,dislike)winter. (dislike) 4.fruits and vegetables