# Questions Asked onDecember 7, 2012

1. ## MATH

1. Terre Haute to Indianapolis to Bloomington measures 3 cm on the map. What is the actual distance? 100 km 150 km 200 km 250 km 2. Fort Wayne to Richmond to New Albany measures 6 cm on the map. What is the actual distance? (1 point) 300 km 250 km 350 km

1. 3w – 10w (1 point) 13w –7w –7 7w 2. y + 1.2y +1.2z (1 point) 2.4yz 1.3y + 1.2z 1.2y2 + 1.2z 2.2y + 1.2z 3. 6r + r – 5r (1 point) 2r 1r + r 0r 7r – 5r 4. 5x + 2(x + 6) (1 point) 7x + 6 7x^2 + 12 7x + 12 7x (x + 6) 5. –3m + 3(m + 6) (1 point)

3. ## GEOMETRY HELP ASAP!!!!

what are the missing reasons in the 2 column proof? Given: JM = ML and m m KL Statements Reasons 1. JM = ML 1. Given 2. KM = KM 2. ? 3. m m KL 4. ? I think 2 is reflection but im not positive. and I have no clue about 4.

4. ## Chemistry - Photons

Water is exposed to infrared radiation of wavelength 2.5×10−4 cm. Assume that all the radiation is absorbed and converted to heat. How many photons will be required to raise the temperature of 2.5 g of water by 2.5 K? -------------------------- I tried

5. ## Physics

Glycerin is poured into an open U-shaped tube until the height in both sides is 20 {\rm cm}. Ethyl alcohol is then poured into one arm until the height of the alcohol column is 20 {\rm cm}. The two liquids do not mix. What is the difference in height

6. ## chemistry

How much 10.0 M HNO3 must be added to 1.00 L of a buffer that is 0.0100 M acetic acid and 0.100 M sodium acetate to reduce the pH to 5.00? pKa of acetic acid= 4.75

Match the correct form of the ver être with the subject pronoun. A. sont B. êtes C. es D. suis E. est F. sommes 1. nous 2. tu 3. vous 4. ils 5. on 6. je 24. Nous sommes intelligents. This sentence tells us: I am smart. He is smart. We are smart. You are

8. ## Math

ABC has vertices A(0, 6), B(4, 6), and C(1, 3). Sketch a graph of ABC and use it to find the orthocenter of ABC. Then list the steps you took to find the orthocenter, including any necessary points or slopes you had to derive.

9. ## Physics

A compact 60-kg object is attached to one end of horizontal 40-kg uniform steel tube 2.4m long. What is the distance from the loaded end to the center of gravity of the object-tube system?

10. ## Pysics

A wooden bucket ﬁlled with water has a mass of 59 kg and is attached to a rope that is wound around a cylinder with a radius of 0.071 m. A crank with a turning radius of 0.29 m is attached to the end of the cylinder. What minimum force directed

11. ## physics

A 605-kg racing car completes one lap in 14.3 s around a circular track with a radius of 40.0 m. The car moves at constant speed. (a) What is the acceleration of the car? (b) What force must the track exert on the tires to produce this acceleration?

12. ## chemistry

what are the equilibrium concentrations of Pb2+ and F- in a saturated solution of lead (II)flouride if the Ksp for PbF2 is 3.2*10^-8?

Jerome, Kevin, & Seth shared a submarine sandwich. Jerome ate 1/2 of the sandwich, Kevin ate 1/3 of the sandwich and Seth ate the rest. What is the ration of Jerome's share to Kevin's share to Seth's share? 1. 2:3:6 2. 2:6:3 3.3:1:2 4.3:2:1 5.6:3:2 please

14. ## Physics HW, Help Please

A turtle ambles leisurely–as turtles tend to do–when it moves from a location with position vector r1,x = 1.53 m and r1,y = -2.25 m in a lettuce garden to another location, with position vector r2,x = 3.91 m and r2,y = -4.65 m, where the lettuce

15. ## pharmacy tech

KCI supplements are most often used in combination with?

16. ## Chemistry

A 7.83 g sample of NaCl is dissolved in 90.00 mL of ethyl alcohol solution. Calculate the molar concentration of the solution.

17. ## ECE

1.when a child hits another child because he is angry, the best way to handle the situation is to? A.send the hitter to a time-out chair B.intervine immediately and ask each child what happened C.tell the second child to hit the first child back D.make the

18. ## Bio Help

Suppose two suspects in a crime have DNA profiles that match the one DNA fragment tested. What should happen next? A)Both suspects must be guilty and should be charged with the crime. B)The test should be repeated because a mistake must have occurred. C)A

19. ## Physics-science

A football player weighing 75 kg running at 2 m/s toward west tackles a 70 kg player running 1.5 m/s in the opposite direction. What is the decrease in kinetic energy during the collision?

20. ## physics

If the torque required to loosen a nut that is holding a flat tire in place on a car has a magnitude of 44 N · m, what minimum force must be exerted by the mechanic at the end of a 20 cm-long wrench to loosen the nut? Answer in units of N

21. ## math

Eye color is determined by genetic combination. Let R represent the gene for brown eyes and l represent the gene for blue eyes. Any gene combination including R results in brown eyes. Consider the offspring of a parent with a homozygous brown-eyed, RR gene

22. ## calculus

I really hate to dump a problem like this on the teachers here, but I really need to get an answer to this. Thank you and I'm sorry. A Norman window is constructed by adjoining a semicircle to the top of an ordinary rectangular window. Find the dimensions

A ship leaves the East Coast for California. It is traveling at a constant speed of five knots and takes 200 days to reach California. The ship arrives in California at the exact time of day that it left the East Coast. How far did the ship travel? Please

24. ## Spanish

Can someone plz fill in the blanks for me i can't find the cd and its due tomorrow??!!!!!!PLZZZZ En la 11.________ te llamé. De la oscuridad me llamaste. Reconocí tu 12.______. Reconociste la mia. "Vente para acá,"13.______. Respondiste: "¿Dónde

Choose the option that correctly identifies the words in () in each sentence. 5. (Stretching for 210 miles) , the Thames is in England. (1 point) prepositional phrase gerund phrase participial phrase appositive phrase 6. (Eating flesh with razor-sharp

58. ## fractions

If you have eight cookies and you give one fourth away, how many cookies are left?

59. ## math

The management of Ditton Industries has determined that the daily marginal revenue function associated with selling x units of their deluxe toaster ovens is given by the following, where R'(x) is measured in dollars/unit. R'(x)=-0.1x+40 (a) Find the daily

60. ## physics

The load-bearing piston in a certain hydraulic system has an area 20 times as large as the input piston. If the larger piston supports a load of 2000N, how large a force must be applied to the input piston? A certain boat displaces a volume of 4.5m3 of

61. ## MATH

Evaluate by writing it as a sum of two integrals and interpreting one of those integrals in terms of an area.

62. ## physics

A 14.8 kg box is being dragged 12.5 m across the floor using a rope held at a 32 degree angle from the floor. the force being used is 146 N. Determine the work that has been done.

63. ## physics

A charge of +3c is located 50cm from a charge of -6c A what is the magnitude of the force exerted on each charge? B on a drwing indicate the directioon of the forces acting on each charge

64. ## pharmacy tech

the recommended dose for gentamicin is 5mg/kg/ day in threee divided doses.If a patient weighs 164lb, how many milligrams should that patient receive for each dose? which of the following drugs is classed as an h2 antagonist?

65. ## pharmacy tech

kci supplements are most often used in combination with what drug? how much neomycin powder must be adde3d to fluocinolone craem to dispense an order for 60 g of fluocinolone cream with 0.5% neomycin? which of the following drugs is most likely to cause

66. ## chemistry

"Carburization" of pure iron (Fe) is carried out at 950∘ C. It is desirable to achieve a carbon content of 0.9% at a depth of 0.1 mm below the surface. A constant supply of carbon at the surface maintains a surface concentration of 1.2%. Assuming the

67. ## Chemistry

The ionization energy of hydrogen is 1313 kJ/mol. Covert this energy to: wavelength (nm) 1/wavelength, reciprocal wavelength (cm^-1) spectral region? (IR, visible, UV, etc.) I know E=hv=hc/wavelength h=6.62 x 10^-34 J-s c= 3x10^8 v=c/wavelength But for

68. ## Chemistry

How many moles of Br2 are present in 500mL of vapor when Br2(l) and Br2(g) are in equilibrium at 33 degrees celcius? (Pvap Br2 at 33C = 299 mm Hg)

69. ## Grammar

Identify the parts of speech the this sentence. When they raise me to a high position, then ill get a raise

70. ## algebra 2

given the zeros, write a polynomial equation in factored form.zero -5,9,12 show all the step please

71. ## pharmacy math

what is the total volume for a 24hr period if the infusion rate of 125 ml/hr?

72. ## pharmacy math

if 500 ml of a 15% solution is diluted to 1500 ml, how would you label the final strength of the solution?

73. ## chemistry

The average pH of open ocean water is 8.1. What is the maximum value of [Fe3+] in pH 8.1 seawater if the Ksp of Fe(OH)3 is 1.1*10^-36?

74. ## CRJ303-Statistics question

Re-worded from the "Study Questions" part of Chapter 5 from this site: "Student Study Site for Essentials of Social Statistics for a Diverse Society" Please show the steps for each question "When the Scholastic Aptitude Test (SAT) - now known as the

For which of the following organisms would you expect the DNA sequence to be least similar to the housefly’s? A)butterfly B)grasshopper C)monkey D)beetle im pretty sure its monkey but if someone else from connections could verify or help me out that

76. ## ECE

Teachers need to strengthen their powers of observation when assessing young children. Which one of the following statements about observing is correct? A. The more each of us knows about child development, the more different our observations of the same

77. ## College Algebra and Finance

Please help! Just need the answer... A lender gives you a choice between the following two 30-year mortgages of $200,000: Mortgage A: 6.65% interest compounded monthly, one point, monthly payment of$1283.93 Mortgage B: 6.8% interest compounded monthly, no

78. ## Spanish

What's the correct way to say Then I was mistaken In Spanish?

79. ## math

What fraction = .40625

80. ## Physics

A person standing close to a railroad crossing hears the whistle of an approaching train. He notes that the pitch of the whistle drops as the train passes by and moves away from the crossing. The frequency of the distant approaching whistle is 540 Hz; it

81. ## math

Over a period of 5 games a basketball team made exactly 44% of their shots. the number of shots taken was more than 310 and less than 350. How many shots were made?

82. ## Physics

A spring has a a constant of 650 N/m. How far must it be compressed to push a 4kg object on a friction-less surface to 3 m/s?

83. ## physics

I need a 1.00 W motor to push a garbage compactor so that it squishes some garbage. The garbage has a spring constant of 49.7 N/m. If I am going to squish it 30 cm, determine how much time the compactor takes.

84. ## math

A sports car is on sale at the local dealership.The price discounted is $12,595 .With 5% down, you can pay$249.34 a month for 60 months to pay for the car which includes interest.What is the total cost of this car if you bought on the installment plan?

85. ## science

The Paleozic Era This era followed the Precambrian time What made it deffernt? What events orrcured. 1 2 3 4 5

86. ## Chemistry

Consider a 9.5e-10 M solution of HClO4 at 283 K. What is the pH of the solution?

4. Which of the following sentences is a compound sentence? Charlie said it’s cold outside but hot in his bedroom. Jared enjoys eating eggs and bacon for breakfast. Sierra can’t decide between the blue and the black shoes. Thomas is meeting us at the

88. ## Chemistry

Titration of 25.00 mL of a monoprotic acid solution with 0.2269 M NaOH is: Initial NaOH = 3.96 mL Final NaOH = 38.84 mL (dif is 34.88mL) Based on data what is the molar concentration of acid? I did V x M = 0.03488L NaOH x 0.2269 = 0.079143 Not sure if I

89. ## Physics

A pendulum with a length of 2.0 m has a period of 2.8 sec. What is the period of a pendulum with a length of 8.0 m?

90. ## algebra 2

given the zeros,write a polynomial equation in factored form.zeros: -45,99,127,358 show all the step please.

91. ## pharmacy tech

what is the total volume of D5W needed for a 24 hr period if the infusion runs at a rate of 125 ml/hr?

92. ## 7th grade science help

3. Which is a possible genotype of a child of parents with blood types O and AB? (1 point) AO; BO AB; BO BO; OO CO; AB 4. You are looking at four tall pea plants. What are their phenotypes and genotypes, respectively? (1 point) tall; Tt or TT short; tt Tt

93. ## ECE

3. In preschool, teachers who want to foster children's emotional development should focus on learning A. how to use discipline appropriately. B. how to help children develop appropriate emotional responses. C. what teachers should do when children act

94. ## Chemistry Check

I just want to make sure I did the following problem right, and don't have to convert any further. What is the frequency of light whose frequency is 6.4 x 10^15 sec^-1? c= wavelength x v wavelength= c/v 3 x10^8 divided by 6.4 x 10^15 =4.69 x 10^-8?

95. ## English

What are some flaws of Cassie Logan from the book let the circle be unbroken? I can tell that she's strong willed but I don't know if that's really a flaw

Students are conducting an investigation that tests the force of a magnet by using one magnet to repel a second magnet. Which tool would be needed to measure the distance the second magnet moves? A thermometer,A spring scale, A ruler, or A compass

97. ## Chemistry

Two liquids A and B have vapor pressures of 71.3 and 131 mmHg, respectively, at 25 degrees Celsius. What is the total vapor pressure of the ideal solution made up in the following concentrations? 1.00 mole of A and 1.00 mole of B 2.00 moles of A and 5.00

98. ## math

The demand function for a certain brand of CD is given by the following equation where p is the wholesale unit price in dollars and x is the quantity demanded each week, measured in units of a thousand. p-0.01x^2-0.1x+6 Determine the consumers' surplus if

99. ## physics

You press down on the gas on your car and accelerate through the mob of zombies in front of you. As you move 65 m through the swarm to get out of the place you've been hiding in, you estimate that the force of your car increases from 200 N to 780 N.

100. ## language

Churches best seats were reserved for members of the gentry.

101. ## science

If 1600cals of heat are added to 50g of water initally at a temperature of 10c what is the final temperature of the water?

102. ## Algebra 2 Modulus

what would the modulus be for -6+ 4i and write it in simplified radical form?

103. ## maths-binomial theorem--plse help

find the greatest term in the expansion of (1+x) raised to thepower of10, x=2/3

104. ## maths --plse help me..

Let a,b,c be positive integers such that a divides b^2 , b divides c^2 and c divides a^2 . Prove that abc divides (a + b + c)7 .

105. ## Geometry

The lengths of the sides of a triangle are 3,5, and 7 inches. How many inches long is the shortest side of a similar triangle that has a perimeter of 75 inches? F.10 G.12 H.14 H.15 k.22

106. ## physical science

calculate the change in thermal energy when 120kg of sand warms from 10 degrees celcius to 90 degrees celcius

107. ## pharmacy tech

the federal law enacted in 1970 that requires the use of a child resistant caps on all dispensing containers unless otherwise desired by the patinet is known as?

108. ## math

A boat travels down the river in 2.6 hours. The return trip up river takes 3.9 hours. A one way trip down or up river is a distance of 21 miles. If the boat is traveling at maximum speed, what is the boats speed measured in waters with no current? You need

109. ## chemistry

You wish to remove nitrogen from the near-surface region of a plate of cobalt which is 1.0 cm thick. The plate is placed in a furnace at 417∘ C where an atmosphere of H2 and NH3 reacts with the nitrogen in the cobalt and fixes the surface concentration

110. ## chemistry

You wish to remove nitrogen from the near-surface region of a plate of cobalt which is 1.0 cm thick. The plate is placed in a furnace at 417∘ C where an atmosphere of H2 and NH3 reacts with the nitrogen in the cobalt and fixes the surface concentration

111. ## Probability(math)

How many computer passwords can be created with three digits followed by three letters if the first number cannot be 0 or no number or letter can be repeated?

112. ## chemistry

the pressure of 3moles of an ideal gas in a container is reduced from 1.0 atm to 0.50 atm against a constant pressure of 0.50 atm at a constant temperature of 273K..what is the change of heat (in J) for the process??Assume that internal energy change at

113. ## chem

A 0.050 L solution of H2SO4 requires 200.0 mL of 4.0 M NaOH for phenophthalein to turns pink to colorless. What is the molarity of the original H2SO4 solution? I got 4M but my instructor said it's 8M how did he get that? Pls need help figuring it out.

114. ## Chemistry

when 20 ml of a .10 M silver nitrate solution is mixed with 25 ml of a 0.080 M solution of sodium sulfide, producing a precipitate of silver sulfide, what is the final concentration of sulfide ion?

115. ## chemistry

Need to find info about chemical reaction of lemon juice and baking soda. Doing experiment where gas produced will inflate balloon hopefully. Will outcome be a lot different than if I had used vinegar?

116. ## Math

Consider a curve lying on the cylinder x^2 + y^2 = 1 and given by the vector function r(t) = (cost,sin t, t^2), for t ≥ 0. Find equations of normal planes at the points (1, 0, 0) and (1, 0, 4π^2) Hi, I don't really know how to start this. I know the

117. ## spinish

express what people like to do using the verb gustar

118. ## English

I need to make a thesis that uses stranger in a strange land and its backed up by the Handmaids tale. Like I could talk about how religion causes oppression in stranger in a strange land and the handmaids tale. Right now im trying to use this thesis:Robert

119. ## algebra 2

x^3+6x^2+20x+24

120. ## Spanish

Which is he correct way to rite this sentence in Spanish We lost the game Perdimos el juego OR Perdimos el partido

121. ## Algebra Two

Write the expression in simplified radical form. 2-2Square root 3 over 7+ square root 3

122. ## Math

Chemistry of Life Multiple Choice 1. Which of the following form the main components of our body cells? carbohydrates and proteins fat and phosphorous proteins and iron nucleic acids and calcium 2. Organic compounds always contain______. water oxygen

123. ## MATH

Chemistry of Life Multiple Choice 1. Which of the following form the main components of our body cells? carbohydrates and proteins fat and phosphorous proteins and iron nucleic acids and calcium 2. Organic compounds always contain______. water oxygen

124. ## English

I have an essay due Sunday, so could someone read my writing? If there are any unclear points, please ask questions for clarity. You may also point out spelling/grammar errors, but please to not tell me what to rewrite to fix the errors. Thanks! Throughout

125. ## ECE 203

I have a power point presentation and need some help. Focus of the Final Project The summative assignment is to develop a PowerPoint presentation designed for a parent meeting. The goal is to inform parents of how your program aligns curriculum plans with

126. ## physics

for a man of mass 75kg and height 185 cm claculate the following using standard anthropometric data. 1. length of his upper arm 2. mass of his upper arm 3. position of the centre of mass of his upper arm relative to the glenohumeral joint 4. radius of

127. ## physics

Calculate the magnitude of the force required to cause an anterior dislocation of the glenohumeral joint given that he force has a lever arm of 52 cm, the maximum magnitude of the resistance force is 1080 N and the resistance force has a lever arm of 4.3

128. ## Chemistry

Write equatios for the ionization of the following acids. (a)HF , (b)H2SO3 , (c)CH3COOH , (d)HNO3.

129. ## linear programming math

A man owns two building supply stores, one on the east side and one on the west side of the city. Two customers order some 1/2 inch plywood. Customer A needs 50 sheets and customer B needs 70 sheets. The east side store has 80 sheets and the west side

130. ## Math

Find the critical numbers of the functions: F(x) = x^(4/5)(x-4)^2 f(θ) = 2cosθ +sin^2(θ)

131. ## english

Which sentence is the gerund used as an appositive? A) Catering is a great way to show off your talent as a cook. b) The best part of catering is making a special occasion a tasty event. c) The girl has a new job, catering. d) Mr. Lane gives all of his

132. ## Physics

You shoot a rocket straight into the air from the ground.It takes 8.0 seconds to come back down to the ground.What was its initial velocity ? Vf^2=Vi^2+2ax 0=vi^2+2(-9.8)(8.0)

133. ## math

make a 5 by 5 tile uisng 5 different colors. None can be in the same row nor be diagional.

134. ## Chemistry

Determine the equation of a sine function that would have a range of {y| -4 ≤ y ≤ 1, y ε R} and a period of 45o. Determine the cosine function that results in the same graph as the function above. Deter

136. ## math

If I have 25 balls in a bowl 10 black,5 blue ,5 green ,5 red . what is the probability of me pulling out a red? 1/5 ,4/5,2/10,1/25 etc....

137. ## math

find the differential of dy of the given function. y=3x-4sec(2x-1) The answer i got was dy=(3-8sec(2x-1)tan(2x-1))dx I am not entirely certain i got this correct. if you could check this for me, it would be a big help. :)

138. ## ICP

Mike is swinging at the playground. At one point, he is moving at 2 m/s. His mass is 72 kg, and he is 0.6 m off the ground. What is his mechanical energy?

139. ## algebra 2

find the number of zeros(x-intercept) y=a^2+a-56 show the step please.

140. ## math

The number of square feet of lawn Mitch can mow is described with the equation y = 700x - 50, where y is the number of square feet of lawn and x is the mowing time in hours. How many square feet can Mitch mow in 1.5 hours?

141. ## pharmacy tech

which of the following conditions is the drug rifampin used used to treat?

142. ## pharmacy tech

when measuring liquid in a graduated cylinder, where is the volume of liquid read?

143. ## Urgent! MATH

Can some one please explain to me how to do this??? You are walking across a field to get to a hiking path. Use the graph below to find the shortest distance you can walk to reach the path. Explain how you know you have the shortest distance. In the graph,

144. ## pharmacy math

into what size bottle will a prescription for 180ml of cough syrup best fit?

145. ## pharmacy math

if a patient should receive a medication at 15mg/kg/day in three equally divided doses what will be the approximate dose if the patient weighd 142lb?

146. ## pharmacy math

what is the total volume for a 24hr period if the infusion rate of 125 ml/hr?

147. ## pharmacy tech

which of thr following drugs is classed as an h2 antagonist?

148. ## algebra 2

check my answer please find the number of zeros(x-intercepts) y=3k^3-6k^2-45k=k(3k+9)(k-5)= k(3k^2-15k+9k-45)=k(3k^2-6k-45) or should i do it 3k(k-5) (k+3)=3k(k^2+3k-5k-15)=3k(k^2-2k-15) which on is the right one please let me know.thanks

149. ## chemistry

You wish to remove nitrogen from the near-surface region of a plate of cobalt which is 1.0 cm thick. The plate is placed in a furnace at 417∘ C where an atmosphere of H2 and NH3 reacts with the nitrogen in the cobalt and fixes the surface concentration

150. ## chemistry

You wish to remove nitrogen from the near-surface region of a plate of cobalt which is 1.0 cm thick. The plate is placed in a furnace at 417∘ C where an atmosphere of H2 and NH3 reacts with the nitrogen in the cobalt and fixes the surface concentration

151. ## chemistry

You wish to remove nitrogen from the near-surface region of a plate of cobalt which is 1.0 cm thick. The plate is placed in a furnace at 417∘ C where an atmosphere of H2 and NH3 reacts with the nitrogen in the cobalt and fixes the surface concentration

169. ## calculus

Sasha is in the park with her friend megan. They are separated by 50 ft. megan lets go of his red ballon and it goes straight up in the air. At what rate is sasha's eye angle changing if he is watching the ballon rise at a rate of 4 ft per sec, the moment

170. ## calculus

I have two questions please 1.for the given equation list the intercepts and test for symmetry 49x^2+y^22=49 2. for the midpoint of the line segment from p_1 to P_2 is (-5,4). if P_1=(-2,2) what is P_2? Please show work

171. ## math

Evaluate the definite integral. [0,1] √(7x(√(x)+√(7)dx

172. ## hydraulic

a cylinder has a 3" diameter and a 1-7/8" diameter rod with 800psi. what is the force output of the cylinder extending and retracting

173. ## Math 10-3

the work i got from my math teacher says Determine the surface area of each right rectangular prism to the nearest square unit. Any Help with that?....

174. ## plse helppppp

prove that 1/2 * 1/3 * 1/4 * ... ..... ... ..... ..... .... ....... .... ... ....1/99 < 1/2

175. ## math

A customer needs 88, 2-inch pipe connectors to complete a project. How many bags of connectors would you recommend the customer purchase if each bag includes 25 connectors? 2 4 25 88 100 176

176. ## math

What is 4 1/8 times 3 1/4 in of area or what is 429 ÷ 32

177. ## maths..plse helppppppp

Please help me to find the separate equations of the line represented by following equations: a) x^2+2(cosec a)xy-y^2=0 b) x^2+2xy. tan a-y^2=0

178. ## math

how do you work this problem: 16^(1/2) on paper, without using a calculator. Ans. is: 4 Thanks, Edna

179. ## maths --plse help me..

find the sum to infinity of the following series rn (1+1/n) -(1 - 1/1+n) - n square / (n+1)square + ...........

180. ## chemistry

The fictitious compound, arrhenium fluoride (AhF), reacts with itself to form a dimer with the formula Ah2F2. The value of the rate constant is 6.091*10^-3M^-1.s^-1. What is the initial rate of reaction in a reactor filled with AhF to a concentration of

181. ## math

I need to sketch the graph of t(x)=2x^2 +3x > or equal to 10x-x^2. How do I work out the points to plot on the graph?

182. ## Math

Craftsmen install 500 sq ft of ceramic tile and 100 sq ft of vinyl tile in one day. An apprentice installs 100 sq ft of ceramic tile and 200 sq ft of vinyl tile in one day. The firm has a job that requires 2000 sq ft of ceramic tile and 1600 sq ft of vinyl

183. ## English

In whick of the following sentences is the underlined word and object pronoun? A. You really should apologize to her B. I would like you to listen to me. C. I gave her a gift for her birthday. D. We returned our books to the library I think the answer is

184. ## physics

3.54 x 10^2 J of work is done to speed up a 1.22 x 10^2 kg log rolling along the ground. If the log was originlly moving at 2.3 m/s, determine how fast it ends up going.

185. ## physics

a person is standing at the top of a 58 m tall hill. He stumbles and falls. As he rolls down the hill, magically friction has no effect on him! when he is still 25.0 m above the base of the hill determine how fast he is moving.

186. ## math

The function f:x =2x+1/x-3 and g:x =1-x/2 a. For what value of x is 'f' undefined? b. Find 'f' inverse and hence solve f(x) =1/3. c.Show that fg(x) -gh(x).

187. ## Science

If the earth's rotation slowed down, how would that affect the winds in the US?

188. ## math

Find the range of values of 'c' for which g(x)= -3x^2-4x-c has complex roots

189. ## Math

how do I explain how to solve the following problem 2 X 10 square + 3 X 10 to the first + 5 X 10 to the zero +7 X 10 to the negative one

190. ## maths --plse help me..

find the sum to infinity of the following series rn (1+1/n) -(1 - 1/1+n) - n square / (n+1)square + ...........

191. ## my personal problems

if i was sexually assaulted, might i do it to someone else?