# Questions Asked onApril 24, 2012

1. ## chemistry

Calculate the pH and percentage protonation of the solute in an aqueous solution of 0.39 M quinine if the pKa of its conjugate acid is 8.52.

2. ## Physics

1) Which control on a music player or television set allows you to increase or decrease amplitude of the sound waves that come out of it? 2)Ripple tanks are used to observe two-dimensional waves. What should be the name of the amplitude control for

3. ## chemistry

given the following data: S(s)+3/2 O2(g)->SO3(g) H=-395.2 kj 2SO2(g)+ O2(g)->2SO3(g) H=-198.2kj calculate H for the reaction S(s)+ O2(g)->SO2(g)

4. ## statistics

The ages of commercial aircraft are normally distributed with a mean of 13.0 years and a standard deviation of 7.5 years what percentage of individual aircraft have ages greater than 15 years assume that a random sample of 49 aircraft is selected and the

5. ## physics

A hypodermic needle consists of a plunger of circular cross-section that slides inside a hollow cylindrical syringe. When the plunger is pushed, the contents of the syringe are forced through a hollow needle (also of circular cross section). If a 4.0- N

6. ## Math

Three ducks and two ducklings weigh 32 kg. Four ducks and three ducklings weigh 44kg. All ducks weigh the same and all ducklings weigh the same. What is the weight of two ducks and one duckling? 20kgs?

7. ## Chemistry

Maleic acid is a carbon-hydrogen-oxygen compound used in dyeing and finishing fabrics and as a preservative of oils and fats. * In a combustion analysis, a 1.054-\rm g sample of maleic acid yields 1.599 \rm g of \rm CO_2 and 0.327 \rm g of \rm H_2O. * When

8. ## Chem

3. Chalcocite is an ore from which copper can be extracted for commercial use. The formula for this important ore is Cu2S. In the laboratory it is formed by the following reaction: 2Cu + S ¨ Cu2S The reaction takes place in laboratory conditions that

9. ## Math

Steinwelt Piano manufactures uprights and consoles in two plants, Plant 1 and plant 2. the output of plant 1 is at most 300/month, and the out put of plant 2 is at most 250/month. theses pianos are shipped to three warehouses that serve as distribution

10. ## chemistry

A 0.185 M solution of a monoprotic acid has a percent ionization of 1.55%. Determine the acid ionization constant (Ka) for the acid.

11. ## English

Choose the progressive or emphatic verb tense that is used in each sentence. 18.Ms. Palmer has been organizing the class schedules for us. present perfect progressive past progressive present progressive 19.We had been listening to the radio when the

12. ## chem

calculate the concentration of borate ion for a titration when 6.0998g borax is dissolved in 100mL of water and titrated with 25.5mL of HCl

13. ## Physics

Water has a density of 1000kg/m^3. The depth of a swimming pool at the deep end is about 4m. A)What is the volume of a column of water 4m deep and 1m^3 in cross-sectional area? B)What is the mass of this column of water? C)What is the weight of this column

14. ## Physics

For a record playing at 45 rpm, find the frequency and the angular velocity. Frequency= Angular velocity=

15. ## math

A company begins a radio advertising campaign in Chicago to market a new soft drink. The percentage of the target market that buys a soft drink is estimated by the function f(t)=100(1-e^-0.01t), where t is the number of days of the campaign. After how long

16. ## chemistry

In the carbonic acid equilibrium system, what happened to the size of the size of the balloon upon addition of more acid (HCl) and also what happened to the balloon upon addition of NaOH, was this expected? why or why not. ( show answers using equilibrium

17. ## Auburn

Have a sack of jelly beans-5 different colors-half are red 1/6 green 1/6 yellow 1/12 blue 6 black-how many of each color and how many in all

18. ## spanish

Necesito al doctor Ramírez, un médico que mucha experiencia en cirugías

19. ## chemistry

You have 53 g of aluminum at25 degrees C. How much heat must be added to raise its temperature to 139 degrees C? Assume the specific heat of aluminum is 903 J/kg · degrees C. Answer in units of J

20. ## Basic Dressmaking Processes

In order to produce a professional- looking garment, pressing should be done?

21. ## mathematics

A spring with a mass of 4 kg has damping constant 28, and a force of 12 N is required to keep the spring stretched 0.5 m beyond its natural length. The spring is stretched 1 m beyond its natural length and then released with zero velocity. Find the

22. ## statistics

A history professor finds that when he schedules an office hour at the 1030 am time slot an average of 3 students arrive. Use the poisson distribution to find the probability that in a randomly selected office hour in the 1030 am time slot exactly 5

23. ## AP Literature-Macbeth

How does the banquet scene blur the clear-cut and common-sense distinction that most of us make between the real and imaginary? In what other scenes has this distinction been blurred?

24. ## Accouting

Vacation pay payable is reported on the balance sheet as a(n) a. current liability or long-term liability, depending upon when the vacations will be taken by employees b. current liability c. expense d. long-term liability it's not b

25. ## math

A spring with a mass of 4 kg has damping constant 28, and a force of 12 N is required to keep the spring stretched 0.5 m beyond its natural length. The spring is stretched 1 m beyond its natural length and then released with zero velocity. Find the

26. ## Science

Three negatively charged spheres, each with a charge of 4*10^-6C are fixed at the vertices of an equilateral triangle wise sides 20cm. Calculate the size and direction of the net force on each sphere.

27. ## chemistry

the heat of fusion water is335 J/g. The heat of evaporization of water is 2.26 kJ/g, the specific heat of ice is 2.05 J/Deg/g, the specific heat of steam is 2.08 J/deg/g and the specific heat of liquid water is 4.184 J/deg/g. How much heat would be needed

28. ## Enviro Science

23. Which of the following does NOT describe an effect of the Industrial Revolution? a. Fossil fuels became more important energy sources b. The amount of land and labor needed to produce food increased c. Artificial substances replaced some animal and

29. ## English

I have to write a argment Paper and it is based on Native Americans traditional culture and beliefs are or are not valuable in today's world. I want to write a paper on how Sioux, Kiowa, and Cheeroke related. I don't know it this is a good thesis: Native

42. ## Enviro Science

4. The Earth's tectonic plates and earthquakes are related because a. most earthquakes take place at or near tectonic boundaries b. during an eruption, the plates slip past one another c. of the measure of energy released by the earthquake, called

43. ## Algebra 2

A farmer has 120 ft. of fencing available to enclose 2 adjacent rectangular pens alongside his barn. NO fencing is required along the bard side. He needs to have a total of 930 sq.ft. Determine the width (x) and the combined length of the pens. There are

44. ## Science

Three negatively charged sphere, each with a charge of a 4*10^-6C, are fixed at the vertices of an equilateral triangle whose sides are 20cm long. Calculate size and direction of the net electric force on each sphere.

45. ## english

A. the dictionary definition of a word B. making assertions about a group that are too broad C. parts of a presentation that augment the words D. rhetorical devices that rely on faulty reasoning E. the emotional associations a work invokes 14. audiovisual

73. ## Life orientation

In 10-15 lines critically discuss 5 ways in which the human factor or environmental problem impacts on the community.

asked by Life orientation
74. ## trigonometry

show that sin 2theta/1-cos 2 theta = cot theta

75. ## Social Studies

What did the confederate soldiers call the Union soldiers? Yankees? What did the union soldiers call the confederate soldiers? Rebels? Name the Confederate Iron Clad ship? Merrimack? How did Stonewall Jackson get shot? Was shot during the Battle of

76. ## Chemistry

A sample of iron ore contains 1.02 x 10^24 Fe atoms and is found to be 69.94% Fe by mass. What is the mass of the sample?

77. ## Geometry

if a person 5 feet tall casts a 3 foot shadow and a building casts a 12 foot shadow, what is the height of building in feet?

78. ## Calculus

A flower pot is dropped from a point 12 feet above the ground,so that it will land 4 feet from the base of a 12 foot lamppost. At what rate is the shodow of the flower pot moving along the ground when the pot is 8 feet above the ground?

79. ## psy statistics

A study wants to examine the relationship between student anxiety for an exam and the number of hours studied. The data is as follows: Student Anxiety Scores Study Hours 5 1 10 6 5 2 11 8 12 5 4 1 3 4 2 6 6 5 1 2 Why is a correlation the most appropriate

80. ## chemistry

How many moles of ions are contained in 1.4 L of a 1.6 M solution of Mg(NO3)2?

81. ## English II

Another question was: aunt consuelo is consuelo melendez, doctor of dental surgery. I had to choose which words were supposed to be capitalized. (a) Aunt Consuelo, Melendez, Dental Surgery (b) Aunt Consuelo, Consuelo Melendez (c) Aunt, Consuelo Melendez,

82. ## Math

A number cube is rolled 420 times and the result recorded as follows: there were 70 ones, 75 twos, 64 threes, 73 fours, 72 fives, and 66 sixes. What is the experimental probability of not rolling a five?

83. ## Physics

A uniform rectangular sign of width 51.6 cm, height 25.2 cm, and negligible thickness hangs vertically from supporting hinges attached at its upper edge.

84. ## Probability

6 sided die is rolled 8 times, how many sequence of rolles are there?

1) Nitrosyl chloride (NOCl) decomposes at high temperature. The equation is 2 NOCl (g) -> 2 NO (g) + Cl2 (g) at 227oC Using delta Ho = 81.2 kJ and delta So = 128 J/K, calculate the value of the equilibrium constant for this reaction. I do not know how to

86. ## chem

a volume of 20. l of O2 os warmed from -30c to 85c what is the new volume if the pressure is kept constant

87. ## Mathematics

There are 250 marbles altogether. Johan has 20 more than Mary who has 50 less than John. How many marbles does John have?

88. ## Chemistry

A gas is collected over water at 30.0 degrees celsius. It's pressure is 752.5 mm Hg. What is the pressure of the dry gas? Water vapor pressure at twenty degrees Celsius is 27.5 mm Hg.

89. ## science

Use this reaction to answer the question: 2KClO3 -> 2KCl + 3O2 If I start with 65g KClO3, how many mol O2 will be formed? How many g O2? If I need to produce 299g KCl, how many mol of KClO3 do I need to start with? How many g KClO3?

90. ## chemistry

For the reaction H2(g) + I2(g) ↔ 2 HI(g), you have the initial concentrations [H2] = 0.15 and [I2] = 0.05. Keq for the reaction at this temperature is 4.5 x 10-6. Make a reaction table. Include rows for initial concentration, change in concentration, and

91. ## chemistry

A solution of PbI2 has [Pb2+] = 4.5 x 10-5 and [I-] = 6.5 x 10-4. PbI2 has Ksp = 8.7 x 10-9. Write down the reaction that is taking place. Calculate Q. Is Q larger or smaller than the Ksp? Is the solution unsaturated, saturated, or supersaturated? Will a

92. ## Chemistry

A gas is collected over water at 30.0 degrees celsius. It's pressure is 752.5 mm Hg. What is the pressure of the dry gas? Water vapor pressure at twenty degrees Celsius is 27.5 mm Hg.

93. ## child development

When both parents believe that men are capable of nurturing infants a. mothers devote time to caregiving b. fathers devote less time to caregiving c. fathers devote more time to caregiving d. the marital relationship tends to suffer, particulary when me

94. ## Social Studies

What river did the Union succeed in capturing with the victory at Vicksburg? Mississippi River? General Sherman carried out a campaign of destruction.What city did he begin his march to sea? Atlanta? What were 2 purposes for Lincoln issue of the

95. ## Chemistry

A solution contains 0.400 g of NaOH in 20.0 mL of solution. What is its molarity

96. ## math

Ever wonder how much a house “actually” costs? Consider Alex and Sabrina who purchased a house with a selling price of $249,000.00. They managed to put 15% down and were approved for a 30-year conventional loan at 7% to cover the remaining$211,650.00.

97. ## life orientation

identify and describe one environmental problem that cause ill health,accidents,crises,and disasters within your community or any other community within south africa or globally

98. ## Chemistry

What is the pH of a 2.5 x 10-2 M HCl solution? I'm so confused how to find this :(

99. ## chemistry

what is the balanced equation for Mg+HNO3==>Mg(NO3)2+H2

asked by Jay Jay
100. ## Geometry

If you stand at stree level, the angle of elevation to a buildings tenth-story window is great than the angle of elevation to one of its ninth-story windows.

101. ## algebra

How far can you see to the horizon from a mountain top that has a height of 9000 m? Use the formula V= 3.5 sqrt h

102. ## Enviro Science

Describe the diversity of species on Earth, relating the difference between known numbers and estimated numbers Thanks -MC

103. ## science

Use this reaction to answer the question: 2KClO3 -> 2KCl + 3O2. If I start with 65g KClO3, how many mol O2 will be formed? How many g O2? If I need to produce 299g KCl, how many mol of KClO3 do i need to start with? How many g KClO3?

104. ## pre-calc HELP PLEASE

solve using identities for all angles (dont use multiple angle method)show work please cuz i am so confused. 2sin2x-3sinx=0

105. ## science

What will be the final temperature if 1600 cal of heat is given to an ice block of mass 20 grams?

106. ## Math

x < 1 is a solution to which of the following inequalities? A. x + 2 < 3 B. x − 2 < − 3 C. x − 2 ¡Ü −1 D. both A and C

107. ## French

Est-ce qu'il y a quelqu'un qui peut lire mon rédaction français? J'ai fait un effort mais je ne sais pas si mes constructions sont correct et j'ai besoin d'aide pour ça. Peut quelqu'un m'aider? Naissance d’un grimpeur Le grimpeur Kiran Castelino

108. ## Introduction to University Studies

How might you apply each of the four steps of reading to reading electronic materials

109. ## Physics

Calculate the magnitude of the force between two 3.95 µC point charges 7.4 cm apart

110. ## chemistry

A sample of neon gas used in a neon sign occupies a volume of 3.90 L at a pressure of 580 torr. Calculate the volume of the gas if the pressure in the glass tube of the sign is 783 torr.

111. ## geometry

the net of a square pyramid has a base of 3cm by 3cm and each slant side is 5cm. Include the flaps. Find the total surface area of the prism.

112. ## Calculus. Please!! i need help so bad!!!

1. Graph y =sec(1/2O-2pi)– 3. the O after the 2 has a slash through it 2. Write an equation for tangent given the period, phase shift, and vertical shift. period = 1/3pi , phase shift = –1/4pi, vertical shift = –5

113. ## geometry

the diagonal VY of a cuboid =root(26.25)cm, the length of a side ZY = 4cm and the height of a sideUZ =25cm for the cuboid. Find the width of the width UV.

114. ## Algebra 2

Mary and Sue are both on bikes and leave from point A. Mary travels west at a uniform speed (x mi/hr). Sue travels north at 5mi/hr faster than Mary. After 2 hours, they are 50 miles apart. What is the speed of each girl?

115. ## Algebra

help me solve this exponential problem P to the 3rd power times q 5 over 2 all over q to the 2nd power times r to the negative 6.

116. ## science

On vernier scale of vernier calliper there are 25 lines and on main scale smallest division is 1 mm then least count of vernier calliper is

117. ## science

A straight highway leads to the top of the base of a 50 meter tall tower. Frm the top of the tower, if yhe angles of depression of two cars on the road are 30° and 60° , then the distence between the tow cars is ................meter.

118. ## Calc 1

An 8 foot tall fence separates Larry's yard from Evan's yard.The fence is 3 feet from Larry's house and runs parallel to the side of his house. Larry wants to paint his house and needs to position a ladder extending from Evan's yard over the fence to his

119. ## Mechanics problem - Newtons laws - resultant force

I have this mechanics problem. Please help me solve it. Rory, Aurora and Raoul are three lions fi ghting over a piece of meat of mass 12 kg. Each lion exerts a horizontal pull. Rory pulls with a force of 800 N. Aurora, who is 120degrees to Rory's right,

120. ## physics

A man leaves the garrage in his house and drives to a neighbouring town which is twenty kilometres away from his house on sight-seeing. He returns home to his garrage two hours after. What is his average velocity from home in km/h?

121. ## chemistry

which liquids are effected by an electric field and why 1-chloropropane, pentane, tetrachloromethane, cyclopentane

122. ## chemistry

how to explain that HCL is a stronger acid than HOCL?

123. ## writing

I'm writing a letter for personal reasons. There is a word I need help with, and I can't think of what it is. It kind of means knowing how far you're ok to go, knowing where your boundaries are, knowing where to draw the line, etc. The sentence is: I need

124. ## Math

mx+b=y is a way to write the Word Bank: Reducible, Positive, Coefficient, Undefined, Zero, Line, Slope intercept form, Term, Constant, whole number, order pairs

125. ## American Lit.

What is Fundamentalist-Modernist Controversy.? Is this one whole topic or more than one.?

126. ## Calculus

assume that f(x)= x^3(x-2)^2 a) find the x-intercepts algebraically b) find all the critical points c) use the first derivative test to determine local minimums and maximums d)find all inflection points e)state the concavity of the graph on appropriate

127. ## Math

14/25 as a fraction decimal percent

128. ## Math

A rectangular chalk board is 3 times as long as it is wide. If it were 3 metres shorter and 3 metres wider, it would be square. What are the dimensions of the chalk board? 3 meters wide 9 meters long

129. ## My Course Grade

I have class average of 85.74. i got 63 in final which 15 of the class . what will be my my overall class average . Thank you in advance.

130. ## CHEMISTRY URGENT!!!

A hot-air balloon has a volume of 970 L at 28 degrees C . To what temperature must it be heated to raise its volume to 1200 L , assuming the pressure remains constant? so it would be 970L/28degreesC=1200L/x? I did that and I got 34.6 degrees C and when i

131. ## Physics

A scuba diver has an air tank with a volume of 0.010 m^3. The air in the tank is initially at a pressure of 1.0x10^7 Pa. Assume that the diver breathes 0.400 L/s of air. Find how long the tank will last at a depth of each of the following. (a) 1.0 m min

132. ## Physics

A 2.20 kg mass attached to a spring oscillates with a period of 0.440 s and an amplitude of 16.5 cm. (a) Find the total mechanical energy of the system (b) Find the maximum speed of the mass

133. ## life orientation

a clear explanation of how drug addiction is a human factor that may cause ill health,accidents,crises or disaster

152. ## intermediate algebra

The danville Express travels 280 miles at a certain speed.If te speed were increased by 5 mph the trip could have been made in 1 hr less time.What was the actual speed?

153. ## math

hilp meeee trying .... Consider the two parabolas :y1=2x^2-3x-1 and y2=x^2+7x+20. (a) Find the points of intersection of the parabolas and decide which one is greater than the other between the intersection points. (b) Compute the area enclosed by the two

154. ## Physics

Suppose when we look in one half of the sky, the CMBR appears to be at a temperature of 2.72K. What is the peak wavelength in that direction? Are we moving toward or away from the region of space? What is our velocity with respect to the CMBR?

155. ## Math

x < 1 is a solution to which of the following inequalities? A. x + 2 < 3 B. x − 2 < − 3 C. x − 2

156. ## L&o

In 10-15 line critically discuss 5 ways in which the human or environmental problem impacts on the community?

157. ## life orientation

Five ways in which the human or environmental problem impacts on the community

158. ## chemistry

A hot-air balloon has a volume of 970 L at 28 degrees C . To what temperature must it be heated to raise its volume to 1200 L , assuming the pressure remains constant?

159. ## English

Can you please help express the concept below? Thank you, Writeacher. I was last proud of myself when I got an A in maths/when I got a 7 and a half (according to the Italian grade system) in maths.

160. ## chemistry

How many moles of a gas will occupy a volume of 0.53 L at a temperature of 343 K and a pressure of 2.6 atm ?

161. ## life orintation

Critically discuss 8 ways in which growth impacts on your community or any other community within south africa or globally

162. ## government

Describe one or two ways in which the US government subsidies might affect the rate of production for petroleum within the US. Should the US use tax dollars to increase subsidies and thereby encourage more oil exploration and petroleum production

163. ## Statistics

Kyle averages 5 finished accounts a day. His standard deviation is 1 account per day and we want the percentile for a day where he finishes 8 accounts. The percentile will be between…

164. ## English - ms. sue

for glass castle memoir i finally get assignment ms. sue i write persuasive essay, b/w deduction and induction i think deduction be easy cause i only hve to support my main points. i need to do it on dad. i not know what topic to do it on, and how to

165. ## intermediate algebra

Factor using the AC method..6x^3-4x^2-10x

166. ## science

A straight highway leads to the top of the base of a 50 meter tall tower. Frm the top of the tower, if yhe angles of depression of two cars on the road are 30° and 60° , then the distence between the tow cars is ................meter.

167. ## chemistry

the heat of vaporizaton of water is 2.26kJ/g. How much heat is needed to change 4.2 g of water to steam.

168. ## Physics

A 2.20 kg mass attached to a spring oscillates with a period of 0.440 s and an amplitude of 16.5 cm. (a) Find the total mechanical energy of the system (b) Find the maximum speed of the mass.

169. ## algebra

How far can you see to the horizon from a mountain top that has a height of 9000 m? Use the formula V= 3.5 sqrt h

exam 042015

171. ## Physics

Suppose when we look in one half of the sky, the CMBR appears to be at a temperature of 2.72K. What is the peak wavelength in that direction? Are we moving toward or away from the region of space? What is our velocity with respect to the CMBR?

172. ## Social Studies

How did Abe Lincoln begin the Gettysburg Address?

173. ## intermediate algebra

Rewrite with positive exponents.Assume that even roots are nonnegative quanities and all denominators are nonzero...(4xy^-2)^-2

174. ## chemistry

what is the mass of aluminum phosphate needed to create a .25M solution with 650 mL solution?

175. ## intermediate algebra

Solve by factoring...2a^2+3=7a

176. ## Social Studies

What Union general made a name for himself at the battle of Shiloh? Ulysses S.Grant?

177. ## Math: Distance and Midpoint

Three points on the edge of a circle are (-220, 220), (0, 0), and (200, 40), where each unit represents 1 foot. What is the diameter of the circle to the nearest 10 feet? I know the answer is supposed to be 550 ft, but I keep coming up with the wrong

178. ## chemistry

If 2.3 mol of has a volume of 1.1 L at 289 K , what is the pressure in atm ?

179. ## Chemistry

What is the smallest whole-number ratio of ions in a crystal lattice?

180. ## Physics

Suppose when we look in one half of the sky, the CMBR appears to be at a temperature of 2.725K. What is the peak wavelength in that direction? Are we moving toward or away from the region of space?

181. ## Physics

Suppose when we look in one half of the sky, the CMBR appears to be at a temperature of 2.725K. What is the peak wavelength in that direction? Are we moving toward or away from the region of space?

182. ## Psysics (Magnetism)

A current-carrying wire is placed in a uniform magnetic field, but there is no magnetic force on it. How is this possible?

183. ## life orientation

a clear explanation of how your chosen topic is human factor that may cause ill health,accident,crises or disaster(alcoholism)

184. ## critical thinking

There are no chocolate stains on my hands, so I couldn’t have stolen the cookies.” Does this example require deductive or inductive logic?

185. ## algebra

Mrs Acres will draw a circle on the playground for a game in gym class.The circle will havw a diameter of 16 feet.What is the circumference of the circle that Mrs Acres will paint?

186. ## Life orientations

Identify and describe one environmental problem that causes ill health,accidents,criser and disasters within your community or any other community within south africa or globally.

asked by Letlhogonolo mktd
187. ## noun

if two dices are tossed together, the probability that the product will be less or equal to 18 what?

188. ## Early Childhood Literacy

Erikson's work identified:

189. ## Math: Geometry

If 0 < y < 1 and 0 < x < 1, find the probability that y < x. Begin by sketching te graph, and then use the area method to find the probability. Please help me. I do not understand. Thank you in advance!

190. ## science

For ........... the graph of current and voltage is not a straight line and value of resistance is not constant.

191. ## Ms, Sue, I have a question for you.

I need people to take an online survey for me. Don't worry, it's completely virus free. It's about factory farming, but it won't let me share a link here. I need more people to take it. So, can you allow me to post the link? Please?

192. ## Chemistry

A 350 ml of gas at 1.25 atm and 298 K is heated to 343 K an the volume increased to 750.0ml. What is te new pressure?

193. ## College Accounting

How do the entries affect account balances and why both debit and credit entries can increase or decrease an account balance?

194. ## algebra college level

it says y=-16x+181 represents number of students in class where x represents number of hours study required weekly. what is rate of change of number of students in class to number of hours study

195. ## Social Studies

The Confederate capital city was located 90 miles from the Union capital.What were they?

196. ## math

The mean of a set of 51 data points is 3.04. If a data value of 16 were added to the data set, what would be the approximate value of the new mean?

197. ## chemistry

How many moles of ions (cations and anions) are contained in 1.2 L of a 1.9 M solution of KCl? KCl K+ + Cl-)

198. ## Algebra

I am trying to factor, but I can't seem to get this one. The question is: -15d*2*-2d+8. It is actually -15d squared but I didn't know how to right that without it being confusing. Anyways I changed it so now it says -1(15d-2d+8). Then I drew a diagram

199. ## Convergent/Divergent

determine whether the series 1 + 1/2^5 + 1/3^5 + 1/4^5 +...is convergent or divergent? How do I tell the difference?

asked by What's the Difference?
200. ## Science

Just to see, how do you measure inches from your hands to the ground with a ruler? Is it like how many inches are left from hands to ground?

201. ## chemistry

A mass of 7 kg of water is raised from 8 degrees C to the boiling point 100 degrees C. How much heat is required? The specific heat of water is 1000 cal/kg · degrees C. Answer in units of cal

202. ## chemistry

If 3.0 mol of O2 has a volume of 26.0 L at a pressure of 1.6 atm, what is its temperature in kelvins?

203. ## Math

Suppose that you want to purchase a home for $450,000 with a 30 year mortgage at 6% interest. Suppose that you can put 20% down. Assume that the monthly cost to finance$1,000 is \$6.00. What are the monthly payments

204. ## chemistry

Calculate the amount of NaOH in this solution 5.00mL of 12.0 NaOH is diluted with water to make 24 mL of 2.50 NaOH solution

205. ## Algerbra

Is there an instance when a linear equation is not a function?

206. ## English

MECHANICS (errors in the use of apostrophes) Answer At one time, "yes, ma'am" and "no, sir" were some boys' and girls' respectful responses to adults' questions. Safeguarding the environment is not somebody elses responsibility; it is our's. The

asked by Kim Rogers
207. ## Math

Solve the equation symbolically x+7/8=x+8/9

208. ## physics

what is the mass of a playset that is moved with 580n of force for 11 seconds at 1.5 m/s?

209. ## Math

Need to find equation for 1250=1200+4-375. Is this possible or impossible. Need to find how to figure these type of questions. This is 3rd grade homework

210. ## Differential Equations

solve using variation of parameters: y"+36y=[csc(6t)]^2 I don't understand variation of parameters very well at all.

211. ## Math

Simplify 5^1/3 /2(3)^1/2 - 2^1/2

212. ## chemistry

What is the molarity of each kind of ion in a solution of magnesium chloride that contains 29.0 g of magnesium chloride dissolved in enough water to make 1.73 L of solution? MgCl2 Mg2+ + 2 Cl-

213. ## English

Does contemporary literature encourage young readers to look beyond Australian stereotypes? If so then why? Please state atleast 5 argumentative points.

214. ## Algebra

(6 times square root of 3 + square root of 5)(square root of 3 - 4 times the squae root of 5)

215. ## math

help me ..... Consider the function f(x)= -cos3x -4sin3x. (a)Find the equation of the line normal to the graph of f(x) when x= pie/6 . (b)Find the x coordinates of the points on the graph of f(x) where the tangent to the graph is horizontal. (c)Find the

216. ## chemistry

what volume should the solution diluted to create a 2.0M solution with a 5g of potassium hydroxide?

217. ## Social Studies

What did the north call the battle of Manassas?

218. ## intermediate algebra

Solve....x(x-3)=x-9

219. ## financal problems

Computing future value. Calculate the future value of a retirement account in which you deposit 2,000 a year for 30 years with an annual interest rate of 7 percent.

220. ## geometry

A trailer driver left Miami at 15:45 and arrived at his destination 637.5 km away at 02:15 the next day. a. How long did the jpurney take? b. What was his average speed in km/h c. What was his average speed in ms^-1

221. ## hindi

example for anuswar

222. ## English

His mother hoped he would apply to medical school, but his dream was to become the Manager of fast-food franchise operation.

asked by Kim Rogers
223. ## Algebra

Will you explain the concept of "i" in algebra? Problem: 4+2i/4-2i

224. ## assessment

When scoring the MMPI 2, how can you intrepret it and what is the diagnosis according to Axis II. The scores are as follow: ?= 13 L = 3 F=19 k=8 hS=14 d=30 hY=32 pD=24 Mf=37 Pa=12 Pt=25 Sc=21 Ma=22 Si=32 Pleae forward results/intrepretation

225. ## Biology

Is depolarization positive and repolarization negative?

226. ## maths

complete the patterns: find the 50 th term and n th term a)3,6,11,---,27,---,51,---,.. b)0,3,8,---,---,35,---,63,.. c)1,8,27,---,---,216,---,512,..

227. ## English

Hello! Need some help with these 3 sentences. They have to be filled with either simple future, going to future or present continuous 1. Son: Mum, what are we having for dinner tonight? Mum: I haven’t decided yet. But I think we __________(HAVE) pasta.

228. ## Spanish

Yo sé jugar en equipo. What does this mean? Help please. Thanks.

229. ## physics

A 10kg block is released from the top of a ramp 45m high. the track is frictionless except for a 6m stretch in the middle. when the block reaches the end, it compresses the k=2250N/m spring a distance of 0.030m. Find the coefficient of friction over the

230. ## Foreign languages

I urgently need you to check these sentences, Writeacher. Thank you very much. 1) I was invited by Mary to come round (come along is possible?) one of these days. 2) You ought not to worry about (or be worried about but NOT be fussed about?) a common (not

231. ## ethics & legal issues

A female patient is scheduled for lumbar spine series. The radiographer is asked to go to another room for some accident victims. She tells you everything is ready to go. You go ahead and perform the x-rays. It is revealed that the woman is pregant and in

232. ## history

one of president nixons goals was to reduce the number of nuclear weapons the united states had

233. ## Visual & Performing Arts - Semester 1 Class

When all the portions of an artwork are combined and seem to function collaboratively, the composition is said to have?

234. ## nursing

i have to do matching and i can not figure theses out please help me!!! __1. annual evaluations __2. positive attitude __3. self- discipline __4.medical assistant __5. break-time __6. cooperation __8.team work __9. job descriptions __10.good rapport c.

235. ## Basic Dressmaking Processes

What length of material do you need to purchase for the dress portion of the outfit?

236. ## Algebra

square of u - square root of v/ square root of u + square root of v.

237. ## Algebra

I do not understand radical equations. 12 times the square root of z-1=3 times the square root 3z+1050.

238. ## math

If 3feet*50metre is Rs.8720,how much would 2feet*40metre cost?

239. ## Language Arts

In the sentence, "In general people are better at spending than saving." I know there would be a comma after "general". Would there also be a comma after "spending"? Thanks..

240. ## math

input: q 14 15 24 41 43 46 58 output: a 50 49 40 23 21 18 6 What is the rule:

241. ## math

what si the equation in slope-intercept form 5x-y=6

242. ## chemistry

what is hibs boson it is a gold particle

243. ## Math

Simplify 5^1/3 /2(3)^1/2 - 2^1/2

244. ## Algebra

(8-i)^2(8+i)^2