# Questions Asked onMarch 13, 2011

1. ## statistics

A researcher at a major hospital wishes to estimate the proportion of the adult population of the U.S. that has high blood pressure. How large a sample is needed in order to be 99% confident that the sample proportion will not differ from the tgrue

2. ## Statistics

IQ test scores are normally distributed with a mean of 100 and a standard deviation of 15. Find the x- score that corresponds to a z-score of 2.33.

3. ## Physics

A block of mass m is placed in a smooth-bored spring gun at the bottom of the incline so that it compresses the spring by an amount x_c. The spring has spring constant k. The incline makes an angle theta with the horizontal and the coefficient of kinetic

4. ## physics

4. What is the electric potential at the surface of a gold atom’s nucleus, which is assumed to be spherical? The radius of a gold nucleus is 6.6 x 10-15 meters and the atomic number of gold is 79.

5. ## psychology

prescott is an old hand in the print shop. he insists that there's only one dependable kind of process for printing a three-color brochure. by contrast, baldwin recognizes several different approaches to three-color printing throught the use of new digital

6. ## Physics

Three resistors (14.4 Ω, 21.7 Ω, 14.1 Ω) are connected in parallel across 98 V. What is the total resistance for this circuit? What is the voltage drop across the 21.7 Ω resistor? What current is flowing in the 14.1 Ω resistor? What is the total

7. ## chemistry

Silver chloride can be prepared by the reaction of 100mL of 0.20M silver nitrate with 100mL of 0.15M calcium chloride. after the reaction goes to completion, what concentration of which ion remains in solution?

8. ## HUMAN RELATIONS

When people don't clearly recognize the obstacle causing their frustration, they A. will probably strike out at any convenient target. B. usually won't become aggressive. C. are said to be experiencing a minor frustration. D. won't resort to physical

9. ## Science

Which are the keystone species from the chaparral biome

10. ## Calculus

A boat is pulled into a dock by a rope attached to the bow of the boat an passing through the pulley on the deck that is 1m high than the bow of the boat ,if the rope is pulled im at the rate of 0.8m/s how fast does the boat approach the deck when it is

11. ## Chem

a) An ethylene glycol solution contains 21.1 g of ethylene glycol in 86.0 ml of water. compute the freezing point of the solution. b) Compute the boiling point of the solution.

12. ## chemistry

addition of a strong acid would increase the solubility of which of the following salts AgCl CaSO4 CdS CaCO3 PbBr2 CaHPO4 Cd(OH)2 AuCl

13. ## CHEMISTRY

Which of the following solutions contain the greatest total ion concentration? a) one mole of potassium chloride dissolved in 1.0L of solution b)one mole of sodium phosphate dissolved in 1.0L of solution c)one mole of ammonium carbonate dissolved in 1.0L

14. ## math

an isosceles triangle has a vertex at the origin. Determine the area of the largest such triangle that is bound by the function x squared + 6y = 48 and explain why this is infact the maximum area.

15. ## ALGEBRA

A farmer has 165 feet of fencing material in which to enclose a rectangle area. He wants the length x to be greater than 50 feet and width y to be no more than 20 feet. write a system to represent this situation.

16. ## Physics

Find the number of revolutions of a bicycle wheel of diameter 0.7m when the bike goes a distance of 22m down the street.

17. ## science

how many half-lives have passed if 87.5% of a substance has decomposed? how many if 99.999% has decomposed?

18. ## physics

1. How far apart must two protons be if the electrical force of repulsion acting on either one is equal to its weight?

19. ## Social Studies

Can you answer these questions: 1. Under the Articles of Confederation, the greatest amount of power was in the hands of the a) Congress b) American People c) National Government d) states 2. The structure of the Congress was created at the Constitutional

20. ## math

why did everybody goto the boat show?

21. ## Math

The circular rug is placed on a square floor. The rug touches all four walls. How much of the floor space is not covered by the rug? The square floor is 14 feet for length and width.

64. ## geometry

The diagonals of a rhombus are in 2:1. If the perimeter of the rhombus is 120cm, find the length of the diagonals.

65. ## Further maths

Under differential calculus using the product rule find the derivative of (2x+3)^3(4x^2-1)^2

66. ## Computer Science

The digits 0, 1, and 8 look much the same if rotated 180 degrees on the page (turned upside down). Also, the digit 6 looks much like a 9, and vice versa, when rotated 180 degrees on the page. A multi-digit number may also look like itself when rotated on

67. ## Geometry

If the diagonal of a square has a length of 10 suare root of 2 cm, find the area of the square and the perimeter of the square.

68. ## chemistry.

in the titration between Na2CO3 and HCl... 1) at the first end point what reaction is stoiciometrically complete? 2)At the start of titration where HCl=0 is the solution acidic or basic. ExPlain? 3) At the 2nd end point what reaction is stiociometrically

69. ## math

what is the nearest tenth of a centim eter in 4 inches

70. ## Math

I have more than 9 but less than 16 marbles. There are half as many red as blue. There are two more green than blue. There is an odd number of yellow. What do I have

71. ## chemistry

4 Fe(s) + 3 O2(g) 2 Fe2O3(s) ΔH = -1652 kJ How much heat is released when 3.82 mol iron is reacted with excess O2?

72. ## Math

Sam walked 15 ft. up a ramp and discovered he was 9 ft. above the ground. Pam walked an additional 20 ft. up the ramp. How far above the ground is she

73. ## math

You have just received advertisements from 2 companies in your area: Greener Lawns and Lawns for Less. Greener Lawns charges an initial fee of $200, plus$50 per hour for labor costs. Lawns for Less charge an initial fee of $300, plus$25 per hour for

74. ## math

system of equations can result in 3 possibilities: consistent, inconsistent, and dependent. Discuss each of these types of solution that can be generated, and describe the graph of each possibility.

75. ## CHEMISTRY

how much energy would be released in the following reaction CH4 + 2O2--> CO2 + 2H2O

76. ## Algebra2

Operations with fractions...3/5+4/5

77. ## etymology

how did wrigley come up the orbit. not the actually product but i need to know the orgin of the product name orbit. thanks:)

78. ## Math

Solve for x: -2x + 12 ≥ 18

82. ## calculus

Find the extreme values of the function for the given intervals. 2x^3 – 21x^2 + 72x a) [0,5] b) [0,4] I have both the minimum values for both intervals which is 0. But I am unable to find the maximum. please help!!!

83. ## Physics

A block slides down an incline. As it moves from point A to point B, which are 5.0 m apart, a force F acts on the block, with magnitude 2.1 N and directed down the incline. The magnitude of the frictional force acting on the block is 10 N. If the kinetic

84. ## Statistics

Assume that male and female births are equally likely and that the birth of any child does not affect the probability of the gender of any other children. Find the probability of exactly eight in ten births.

85. ## marketing

Name 3 things a marketing department of a firm does?

86. ## Etymology

I am doing a project on Fascinating Etymology Stories and was wondering if you guys know of any good websites with interesting stories of the origin of words, preferrably not words that came from a persons name. Thanks:)

87. ## physics

A pion has rest energy 135MeV. It decays into two gamma rays that travel at the speed of light. A pion moving through the lab frame at v=0.98c decays into two gamma rays of equal energies, making equal angles θ with the direction of motion. Find the angle

88. ## English

Can you please check if everything is correct now? I made the chages you told me. I have one more doubt in n. 3: Can I used "bored with" instead of bored by? 1)She was really upset about her uncle’s death. 2)She was embarrassed about the way her father

89. ## math

Find the following product: (y-10)^2

90. ## Economics

a. If the face value of a coin exceeds the cost of coinage, the resulting revenue to the issuer of the coin is known as

91. ## Calculus

A spherical balloon a has a diameter 2 m when it is 1500m high . It is observed that the diameter increases at a constant rate of 4cm/min as it continues to rise. At what rate is the volume increasing when the diameter is 4m . At what rate is the surface

92. ## Further maths

(2x+3)^3(4x-1)^2

93. ## algebra

In a local election, 53,400 people voted. This was a decrease of 7% over the last election. How many people voted in the last election? Round to the nearest whole person.

94. ## English

Can you please check this paragraph I summarized myself from an internet site called euronews. I think it can be useful to revise passive tenses and, of course, to keep up to date with what happens in Japan. 1.A 10-meter tsunami slammed into the Japanese

95. ## civil enginerring

air having a pressure of 40 psig and a volume of 8 cu ft expands isotermally to a pressure of 10 psig find the external work performed during the expasion

96. ## Physics

Derive an expression for the gain Vout/Vin. Express your answer in the form of A+jB. A basic non inverting operational amplifier with a capacitor connected in series with the resistor at the bottom.

97. ## Statistics

A test consists of 90 mulitiple choice questions, each with five possible answers, only one of which is correct. Find the mean and the standard deviation of the number of correct answers.

98. ## chemistry

What is my theoretical yield of iron II chloride if I start with 34 grams of iron II bromide?

99. ## Math

At what points does the line y+x-3=0 intersect the curve 2y=6x+2(x^2)-(y^2)?

100. ## Math

i need help with symbolizing problem situations . similar with that ?

101. ## statistics

A 99% confidence interval for population variance is being formulated based on a sample of 16 observations. What are appropriate values for X^2

102. ## math

6.6+.8x=0.2 what does x equal

103. ## History

Is this true or false. If it is true were can I find the web site to verify the answer. I am having a difficult time interputating what the statement is trying imply. Please could you help me. Thank you. American colonies were born out mass slaughter of

104. ## English

Can you check these sentences for me, please? I really need to know if they are possible because I need to meet some American teachers tomorrow. 1)How do you call the teacher who is at the head of the English Department in a high school? 2) She has

105. ## general chem

How much heat is released whena mass of 125 g with a specific heat of 4.11 J/g C increases from 23.2 C to 34.9 C?

106. ## Math

i have more than 9 but less than 16 marbles. There are half as many red as blue. There are two more green than blue. There is an odd number of yellow. What do I have?

107. ## Alg 1

Graph -4x+y>-6 5y

108. ## Socials

Why did the Maritimes not favour Confederation? The only information I know is that they saw themselves as mature, independent colonies. Did they think that the union was not a fair idea or something?

109. ## Statistics

A survey found that 25% of pet owners had their pets bathed professionally rather than doing it themselves. If 20 pet owners are randomly selected find the probability that between 12 and 7 pet owners, inclusive, have their pets bathed professionally.

110. ## math

Use an inequality to solve the problem. Be sure to show the inequality and all of your work. The area of a triangle must be at most 32.5 square inches. The base is 13 inches and the height is x inches. Find the possible values for x.

111. ## math

Use an inequality to solve the problem. Be sure to show the inequality and all of your work. A 12-pound puppy is gaining weight at a rate of 2/3 pound per week. How much more time will it take for the puppy’s weight to exceed 37 pounds?

112. ## PHYSICS

1...At what temp. of 0^C steel rod and copper rod have length of 800.1 & 99.9 respectively. At what temp. will the 2 rods have the same length. coeff.of linear expansion Copper-.000017 steel-.000013 2...The length of a brass bar increase from 4.001 into

113. ## Socials

What three situations changed some Maritimers unwillingness? I cant find this information in my book

114. ## Physics

2. State whether each of the following would be apt to produce systematic or random errors in these experiments and explain why: (a) the corners of the cylinder are slightly rounded; (b) the end faces of the cylinder are parallel to each other but not

115. ## stats

if the true proportion of californians who are unemployed is 11%, what is the probability that a sample of 100 californians are unemployed?

116. ## com1055

may i have two exmple in changinging in your writing

117. ## Socials

Which three men formed the "Great Coalition"? Why? George Brown, John A. Macdonald, and George Etienne Cartier. They formed the "Great Coalition" to save the government of Canada, and to try to unite the colonies. Am I right?

118. ## Law - understanding terms

I have this worksheet which asks me "historical barriers to achieving equality right" and the other coloumn asks "contemporary barriers to achieving equality rights" What is the difference between them.. is it the historical one is the history in the late

119. ## chemistry

how many grams of calcium nitrate are needed to make 100mL of a 0.5M solution

120. ## science

How do you calculate the atomic mass of magnesium? 79% magnesium-24, 10% magnesium-25, 11% magnesium-26

121. ## Socials

What was the purpose of the Charlottetown Conference of 1864? The purpose of the Charlottetown Conference of 1864 was to unite the colonies and form a large colony... Is that right?

122. ## Chemistry

Ten kilograms of hydrogen gas are mixed with 355 kg of chlorine in a 0.50 mm^3 drum. The two gases react to produce hydrogen chloride. What is the final pressure in the drum if the final temperature is 60 degrees celcius?

123. ## com/155

Each of the following sentences has one grammatical error. The errors are in one of the following four categories: subject–verb agreement, run-on sentence, verb form and tense, or sentence fragment. Identify which of the four errors, if any, is present

124. ## chemistry

when we are synthesis n-butyl bromide what impurities we can expect in the crude product?and how would these impurities react with concentrated sulfuric acid?and also how we can make t-butyl bromide?

125. ## chemistry

Explain how strong acid solutions conduct an electric current.

A paper cup has the shape of a cone with height 8cm and radius 3cm at the top. Water is being poured into the cup at the rate of 2cm3/s. How fast is the water level rising when the water is 6cm deep?

127. ## Calculus

A boat is pulled into a dock by a rope attached to the bow of the boat an passing through the pulley on the deck that is 1m high than the bow of the boat ,if the rope is pulled im at the rate of 0.8m/s how fast does the boat approach the deck when it is

128. ## Calculus

A boat is pulled into a dock by a rope attached to the bow of the boat an passing through the pulley on the deck that is 1m high than the bow of the boat ,if the rope is pulled im at the rate of 0.8m/s how fast does the boat approach the deck when it is

129. ## Calculus

Evaluate (integer sign)dx/sqrt9-8x-x^2 A.sin^-1 (x + 4/5) + C B.sin^-1 (x - 4/5) + C C.Ln Sqrt9-8x-x^2 + C D.Ln (-8 - 2x) + C B or C ?

130. ## physics

3. What is the magnitude of the electric field strength E such that an electron, when placed in the field, would experience an electrical force equal to its weight? What electric field strength E is required if the electron is replaced by a proton

131. ## Word problem solving with graph equation

Assignment Part I: A system of equations can result in 3 possibilities: consistent, inconsistent, and dependent. Discuss each of these types of solution that can be generated, and describe the graph of each possibility. Part II: Break-Even Analysis and

132. ## Physics!!!

A rod of length 1m lies in the lab frame making angle θ=30 with the x-axis. Find the length and the angle it makes with the x’-axis as seen by an observer moving at u=0.8c along the y-direction.

133. ## Physics

An observer stands 43.0 m behind a marksmen practicing at a rifle range. The marksman fires the rifle horizontally which gives the speed of the bullet to be 939 m/s. How far does each bullet travel before the observer hears the report of the rifle? Assume

I forgot how to look for the asymptote from an equation.. can someone please help me out? example: y= x/(x+1) what's the asymptote in this case? Thanks.

135. ## Really Physics

A 2.4 Kg object moving to the right at 0.8c collides with a 3.2 kg object moving to left at 0.6c. They stick together. Find the mass and velocity of the resulting combined object by; a) assuming that you have no knowledge of relativistic physics, b) using

136. ## hcc

find sample variance and standard deviation.8,45,16,50,34,25,32,31,30,27.s^2=

i meant how do you find the hoizontal and vertical asymptote from an equation?

138. ## Chemistry

How many moles of nitrogen are in 5.0×10−2 mole of quinine?

139. ## Access

A database has two tables named Products and Orders. The tables are joined by a column called ProductID. You have created a query named uery1, which combines the data from the tables. If the Products table is deleted, what will happen when users run

140. ## Calculus (double check my anser please)

Evaluate integral e^3x cosh 2x dx. A.1/2 e^5x + 1/2 e^x + C B.1/10 e^5x + 1/2e^x + C

A business is an institution that exists to serve the need of people for goods and services in a society.Discuss

142. ## history

two of most significant social consequences of the Industrial Revolution.

143. ## chemistry

n one experiment, a mixture of 1.000 mol acetic acid and 0.5000 mol ethanol is brought to equilibrium. A sample containing exactly one-hundredth of the equilibrium mixture requires 28.80mL 0.1040M Ba(OH)2 for its titration. Calculate the equilibrium

144. ## calculus

Find the area under one arch of a cycloid described by the parametric equations x=3(2theta -sin2theta) & y=3(1-cos2theta) use 0 and pi for te limiting values of. A.9pi B.18pi C.27pi D.36pi

145. ## Calculus (double check )

Find the centroid of the area bonded by the parabola y =4-x^2 and the x-axis? A.(0,1.6)

146. ## English

I forgot to ask you if the sentences I sent you before were gamatically correct. Thank you. In particular the use of "through" in q. 1, "as for" in q. 4. 1) Time is personified through the use of a capital letter in line 9, through the use of verbs

147. ## Physics

a) A distant spaceship carrying a red headlight, emitting light with wavelength 600 nm, is heading towards the earth. Observers on the earth detect the light from the headlight as ultraviolet light with wavelength 200 nm. What is the velocity of the

148. ## maths exponential functions

Hi I have a Maths quiz on Monday and i have been of sick for the past week. I received these review questions from my teacher via email and he isn't replying to my questions i really do not get these questions if someone can do these and explain to me how

149. ## English

These are the very last sentences. I'm unsure whether to use she or her (in sentence 6). Do you say "found out" or found/discovered in sentence 2? Is it possible to turn this sentence into the passive? "She has been doing the washing for two hours". The

150. ## Maths - check please

Fig.1. Shows a signwave on the its horizontal axis "Time in (ms)" means that time is measured in milliseconds. The time taken is 20 ms in total Question asks for frequency of the sinewave ? Cant really draw Fig.. here :-0( But the period is 5 milliseconds,

151. ## Physics

3 point 666 point one fifth degree

152. ## economics

Eric borrowed 515 dollars today and has agreed to pay back in equal monthly installments over 6 years. The bank charges Eric 4.94% per year, compounded monthly. What is the amount that Eric will owe the bank at the end of month 20 (that is, after the 20-th

153. ## Physics

A pion has rest energy 135MeV. It decays into two gamma rays that travel at the speed of light. A pion moving through the lab frame at v=0.98c decays into two gamma rays of equal energies, making equal angles θ with the direction of motion. Find the angle

154. ## government

I just need some ideas please. I have to trace a policy example through the 3 models of federalism, dual, cooperative and creative. I have done quite bit of research and am having trouble finding a policy that I will be able to trace through the 3 models

155. ## astrology of GEO PHYSICS

3 point 666 point one fifth degree

156. ## physics

12. If alpha particles are caused to fall through a potential difference of 1500 volts, determine their final speed if they were initially at rest. Alpha particles are Helium nuclei composed of two protons and two neutrons.

157. ## History

We're learning about imperialism, and i have to find the foreign aid recipient  of china. I can't find it on the website my teacher gave to us.. Does anyone know it, or know where I could find it?

158. ## English

Two very last doubts. Do you say "the Augustan or The Augustans were interested in real life". He admitted it had been him who ate all the cake./He admitted eating all the cake. Are they both correct?

159. ## History

Since the late 1800's and the 1912 eara how has the progression reform movement effected how things are presently?

160. ## Social Studies

What point was Madison making about the system of government created by the proposed U.S. Constitution?

6/5 / 1/5

162. ## Algebra

(7+2t),(49-4t^2),(7-2t) find the LCM

163. ## Chemistry

Calculate the pH of a 25 mL distilled water sample after the addition of 2 mL of HCl Calculate the pH of a 25 mL distilled water sample after the addition of 2 mL of NaOH

164. ## Science

Explain why the vacuum ball does not separate.

165. ## science

What is the density of coconut oil?

166. ## physics

A child in a boat throws a 6.00 kg package out horizontally with a speed of 12.0 m/s, Fig. 7-28. Calculate the velocity of the boat immediately after, assuming it was initially at rest. The mass of the child is 25.0 kg and that of the boat is 50.0 kg.

167. ## stats

What are the steps to solve P(x>k)=.025 when the mean is 500, standard deviation is 100

168. ## Chemistry

Can dimethylformamide be stored in plastic bottles? Or is it better to store in glass bottles?

169. ## social studies

who/what else got mummified,other than humans? why?

170. ## HiSTORY ....helpppppp

why is yellow journalism important in the Spanish American war?

171. ## physics

A 13 g bullet traveling 235 m/s penetrates a 2.0 kg block of wood and emerges going 171 m/s. If the block is stationary on a frictionless surface when hit, how fast does it move after the bullet emerges? in m/s

172. ## Math

What are 5 names for 1/2?

173. ## Calculus

A rectangular prismatic tank has the following dimensions :length is 3 m, width is 2m . And depth is 3m .it is being filled with water and the surface level is rising at 20cm/min.what is the inflow rate of water at the tank ?

174. ## Science - Physical

Earth's magnetic field induces some degree of magnetism in most of the iron objects around you. With a compass you can see that cans of food on you pantry shelf have north and south poles. When you pass the compass from their bottoms to their tops, you can

175. ## Calculus

A water trough on a farm has an isosceles triangle croos section which is 60 cm across the top and 20m deep.the trough is 3m long . If itbis empty and then filled at a rate of 0.5 m3/min , how fast does the water level rise when the deepest point is 9cm ?

176. ## CHEMISTRY

Zinc metal reacts with hydrochloric acid to produce zinc (II) chloride and hydrogen gas. what volume (in mL) of 2.0M HCl is required to dissolve a 10.0g piece of zinc?

177. ## English 9

I have a question about the short story "Son" by John Updike. Is "Son told in a.order from the contemporary father and his memories and reflections b.reverse chronological order, from past to present c.fragments that are set in different time periods and

178. ## chemistry

If the solubility of NaCl at 25 degrees Celsius is 36.2 g/100 g H2O, what mass of NaCl can be dissolved in 200.0 g of H2O?

179. ## English - Native speakers

Hello! Why don't we say possessive pronouns in English for the following words: my, your, his, her, its, our, your, their. Why do we say possessive adjectives? It doesn't make sense to me since my mother tongue is not English. Can you maybe explain this to

180. ## math

6.8 in fraction notation

181. ## English

Thank you very much for all your information. I'm finding it difficult to rephrase two sonnets by Shakespeare, especially number 130 "To my Mistress' eyes". 1) The sonnet is Shakespeare's tribute to his uncomely mistress, commonly referred to asthe dark

182. ## physics

Green light has a wavelength of 4.96 10-7 m and travels through the air at a speed of 3.00 108 m/s. Calculate the period of green light waves with this wavelength. s What is the frequency? Hz

183. ## CHEMISTRY

Which of the following solutions contain the greatest total ion concentration? a) one mole of potassium chloride dissolved in 1.0L of solution b)one mole of sodium phosphate dissolved in 1.0L of solution c)one mole of ammonium carbonate dissolved in 1.0L

184. ## chemistry

Calculate the standared enthalpy of formation of solid Mg(OH)2 given the following data: 2Mg(s) + O29(g) →2MgO(s) ∆H = -1203.6kJ Mg(OH)2(s) →MgO(s) + H2O(l) ∆H= +37.1kJ 2H2(g) +O2(g) →2H2O(l) ∆H = -571.7kJ

185. ## Social

Is government regulation necessary in all aspects of business, why or why not? Are there some policies which make more sense than others? - I know that government regulation isn't always necessary to run a business and some people are capable are able to

186. ## math

How many ways can we select a group of 4 people from a class of 27? Please explain

187. ## English

I forgot to include the other sonnet (N. 116). I find it hard to rephrase the last couplet. 1)Sonnets 116 is about love in its most ideal form. True love is to be based on mutual trust and understanding. 2) True love doesn’t change when the situation

188. ## yes

Using your current work organization (or an organization of interest) as the subject matter, research the elements of business and prepare an APA formatted paper that:

189. ## hcs/341

Description of the functional roles of the human resource department

190. ## Economics - anyone have any thoughts on this?

A)Who has more monopoly power---Wal-Mart or the concessionaire who has acquired the franchise to sell beer, hot dogs, colas, candy, etc., at a Washington Redskins football game? Explain. B)Who has more monopsony power---Wal-Mart or teams in the National

191. ## AP Spanish

Compare and contrast The Rising by Bruce Springsteen and Thursday from La Oreja de VanGogh.? I know the songs are about the September 11 tragedy in the U.S and the March 11 tragedy in Spain. Include comments and views of the role of each song.

192. ## MATH

6.4/84

A 12.1 g CD with a radius of 6.16 cm rotates with an angular speed of 31.1 rad/s. What is its kinetic energy?

I have a question about how to answer this If something is dulce, one would probably want to drink lemonade or a sour drink with it. I know dulce is sweet in Spanish but I don't get the correlation-or is it if you eat something sweet, you want to offset it

195. ## MacroEconomics

Testing procedures required by the US Food and Drug Administration raise the cost and price of drugs. Should we eliminate such requirements in order to ease inflationary pressures?

196. ## algebra

write a situation that could be modeled by the equation b=100-s.

197. ## math

Find the values of c so that the intersection of y=-x+6 and y=x/3+c lies strictly in the first quadrant (not on a coordinate axis).

198. ## Physics

After you pick up a spare, your bowling ball rolls without slipping back toward the ball rack with a linear speed of v = 3.41 m/s To reach the rack, the ball rolls up a ramp that rises through a vertical distance of h = 0.529 m. What is the linear speed of

199. ## Physics

An electrical motor is designed to operate on 34 V at 1.3 A. How much resistance must be connected in series to this motor, if you wish to plug it in to a 120 V outlet?

14/51 * 3/4

201. ## calc

A spherical snowball is melting in such a way that its diameter is decreasing at rate of 0.4 cm/min. At what rate is the volume of the snowball decreasing when the diameter is 16 cm. (Note the answer is a positive number).

202. ## Physics

What current would flow in an ordinary 115 V household circuit, if a 1430 W hair drier and a 1000 W microwave oven were operating simultaneously on this line?How much current would the hair drier and microwave from the previous question draw, if they were

203. ## Marketing

Clustering techniques applied to segmenting markets?

A 1.94 kg solid sphere (radius = 0.105 m) is released from rest at the top of a ramp and allowed to roll without slipping. The ramp is 0.710 m high and 5.17 m long. When the sphere reaches the bottom of the ramp, what is its total kinetic energy?

205. ## English

Thank you very much for your correction. I need to know which prepositions are possible after certain adjectives of emotions. I hope you can help me. 1)disgusted at/by/with (I need to provide examples). I was disgusted at/about/ by (?) the news of the

30 - 19 1/3

207. ## Chemistry

The density of water at 17 degrees celcius is 0.998774g/mL and at 18 degrees celcius it is 0.998595 g/mL. Calculate the density of water at 17.7 degrees celcius?

208. ## chemistry

when 12.5mL of 0.28M HNO3 and 5.0mL OF 0.46M Ba(OH)2 are mixed, is the resulting solution acidic, basic, or neutral?

209. ## political science

Please help Thank you Examining and criticizing the policies and proposals of the majority party is a function of ? The majority party Foreign governments The minority party Government bureaucrats The judicial branch The power an interest group exerts is

210. ## econ

A bumper crop of farm products causes: 1) only a slight decline in the price of farm products because the demand for farm products is income inelastic. 2) a large decline in the price of farm products because the demand for farm products is price

211. ## history

do the usa and china leaders cooperate to solve problems such as finance, trade,tyrants, and/or military actions?

212. ## Physics

A 5.1 kg block slides down an inclined plane that makes an angle of 26 degrees with the horizontal. Starting from rest, the block slides a distance of 2.9 m in 4.6 s. The acceleration of gravity is 9.81 m/s2 . Find the coefficient of kinetic friction

213. ## pre calc

Find the critical number of the function. g(t) = | 6t - 9 | t =

214. ## statistics

In a random sample of 400 electrical components,100 are found to be defective.if the hypothesis is that 20% of the components are defective,what is the standard error of the sample proportion

215. ## CHEMISTRY

Zinc metal reacts with hydrochloric acid to produce zinc (II) chloride and hydrogen gas. what volume (in mL) of 2.0M HCl is required to dissolve a 10.0g piece of zinc?

216. ## Chemistry

How many moles of NaOH are present in 30.1 mL of 0.140 M NaOH?

217. ## English

I forgot to include the following statements. I hope you can have a look at them, too 1) embarrassed about/at (are the prepositions intercheangable?) I was embarrassed about how untidy my room was/at (about?) having to ask for money/ to ask for money. 2)I

218. ## tina

40-2q+.03q^2=40-q-.01q^2 .04q=1 q=25 this is what i keep getting but I am suppose to be getting 50 what am I doing wrong?

219. ## math

i had 16 1/2 apples i gave my cousin 2 apples what is the fraction of apples did i give my brother

220. ## English

1. Wilma was able to walk again at age twelve. 2. Wilma was able to walk again at the age of twelve. 3. Wilma was able to walk again at twelve. 4. Wilma was able to walk again aged twelve. (Which ones are correct? Could we use other expressions?)

221. ## English

1. What injection does a person at 16 years need to receive? 2. What injection does a person at 16 need to receive? 3. What injection does a person at 16 years old need to receive? 4. What injection does a person aged 16 need to receive? 5. What injection

222. ## Math

What is the simple interest due on a six-month loan of \$3250 if the interest rate is 7.75%

223. ## chemistry

at one atmosphere pure water ice melts at 0.0 C. at 12 atm the melting point is -0.085 C. The density of water is 1g.cm^3 at 0 C, while that of ice is 0.917 g/cm^3. From this information, estimate entropy of melting.

224. ## math

To purchase your first home, you may be required to borrow funds from a bank. You have just graduated from college, and your dream is to own your first home. Before you begin looking for your dream home, you need to learn more about funding options and the

A hiker shouts toward a vertical cliff 789.5m away. The echo is heard 2.1s later. The wavelength of the sound is 12.3 m. What is the speed of the shout? What is the frequency? What is the period of the wave?

226. ## statistics

You are randomly selecting 10 college students for an experiment. The population in which you are sampling has 78% of the students classified as Caucasian and 22% classified as Minority. What is the probability that all 10 students selected will be

227. ## math

What are the first and third quartiles of the box and whisker plot above? 0 15 110 225