# Questions Asked onFebruary 15, 2013

1. ## geometry

8. A conveyor belt carries supplies from the first floor to the second floor, which is 27 feet higher. The belt makes a 60° angle with the ground. How far do the supplies travel from one end of the conveyor belt to the other? Round your answer to the

2. ## Geometry

Find the value of x. Round to the nearest tenth. The diagram is not drawn to scale. top 11 bottom x angle between 11 and x is 22 percent.

3. ## chemistry

do not understand this problem The Ksp of CaSO4 is 4.93× 10–5. Calculate the solubility (in g/L) of CaSO4(s) in 0.500 M Na2SO4(aq) at 25 °C.

4. ## MATH

Use the figure to answer the following questions. figure for questions 1–3 1. Name a pair of complementary angles. (1 point) angle sign1 and angle sign4 angle sign1 and angle sign2 angle sign3 and angle sign4 angle sign1 and angle sign6 2. If mangle

5. ## math

Disks of radius 4 cm are cut from a rectangular plastic sheet of length 84 cm and width 24 cm. How many complete disks can be cut out? Find (a) the total area of the discs out (b) the area of sheet wasted I did it but the answers on the back of the book do

6. ## Math

Use the figure to answer the following questions. figure for questions 1–3 1. Name a pair of complementary angles. (1 point) angle sign1 and angle sign4 angle sign1 and angle sign2 angle sign3 and angle sign4 angle sign1 and angle sign6

7. ## chemistry

A compound with the percent composition shown below has a molar mass of 60.10g/mol. Find its molecular formula: C, 39.97% H, 13.41% N, 46.62%

8. ## Chemistry

Arrange the following aqueous solutions in order of increasing boiling point, explain your answer: 0.120 m glucose (C6H12O6), 0.05 m LiBr, 0.05 m Zn(NO3)2. Using data the boiling point constants given in the test book, calculate the boiling points of each

9. ## Physics

At the low point in its swing, a pendulum bob with a mass of 0.2 kg has a velocity of 4 m/s What is the Kinetic at the low point? and Ignoring air resistance how high will the bob swing above the low point before reversing direction?

10. ## phycis

a bullet of mass 0.01kg is fired into a sandbag of mass 0.49kg handing from atree.the sandbag with the bullet embedded into it swing away at 10m/s find: a.the momentum after collision b.the momentum before the collision c.the velocity of the bullet

11. ## physics

The terminal speed of a sky diver is 157 km/h in the spread-eagle position and 330 km/h in the nosedive position. Assuming that the diver's drag coefficient C does not change from one position to the other, find the ratio of the effective cross-sectional

12. ## Statistics

A brewery's filling machine is adjusted to fill bottles with a mean of 32.6 oz. of ale and a variance of 0.004. Periodically, a bottle is checked and the amount of ale noted. (a) Assuming the amount of fill is normally distributed, what is the probability

13. ## math

What is Jared's favorite six-digit number if the ten digit is his favorite digit, the sum of the hundred thousand digit and the thousand digit in his number from the largest place value to the smallest place value are consecutive numbers?

14. ## Finance

Joshua borrowed $2,300 for one year and paid$138 in interest. The bank charged him an $15 service charge. If Joshua paid the$2,300 in 12 equal monthly payments, what is the APR? (Round your answer to 1 decimal place

15. ## Spanish

Complete the paragraph with the appropriate definite articles. Hola chicos, yo soy (1) señora López, (2) nueva (new) profesora y éste (this) es Carlos, (3) conductor. ¿Ustedes son (4) pasajeros? Aquí (Here) tienen (5) documentos y (6) maletas.

16. ## algebra 1

Josh hit a baseball straight up into the air. The equation below describes the height of the ball (h), in meters, as a function of time (t) in seconds. h(t) = -9.8t² + 30t + 1.5 What is the height of the ball after 3 seconds? i keep getting -195.9

17. ## english/history

Explain how The Federalist Papers would have been more or less successful if newspapers had been printed monthly (rather than daily or weekly).

18. ## Physics

You testify as an "expert witness" in a case involving an accident in which car A slid into the rear of car B, which was stopped at a red light along a road headed down a hill. You find that the slope of the hill is theta= 12.0°, that the cars were

19. ## geometry

Find the missing value to the nearest hundredth. tan() =38 88.49m 61.25m 65.25m 44.25m Find the missing value to the nearest hundredth. sin()=8/32 75.52m 14.04m 77.76m 14.48

20. ## physics

A 1,600 kg car traveling north at 10.0 m/s crashes into a 1,400 kg car traveling east at 15 m/s at an unexpectedly icy intersection. The cars lock together as they skid on the ice. What is their speed after the crash?

21. ## geometry

Find the missing value to the nearest hundredth. tan =38 88.49m 61.25m 65.25m 44.25m Find the missing value to the nearest hundredth. sin=8/32 75.52m 14.04m 77.76m 14.48

22. ## geometry

Find the missing value to the nearest hundredth. tan() =38 88.49m 61.25m 65.25m 44.25m Find the missing value to the nearest hundredth. sin()=8/32 75.52m 14.04m 77.76m 14.48

23. ## geomtrey

Find the missing value to the nearest hundredth. tan =38 Find the missing value to the nearest hundredth. sin=8/32

24. ## physicis

a 0.30 kg mass attached to a spring is pulled back horizontally across a table so that the potential energy of the system is increased from zero to 120 J. Ignoring friction what is the kinetic energy of the system after the mass is released and has moved

25. ## Health

Which of the following statements is true? Stress management consists of finding balance and developing coping strategies. The goal of stress management is to eliminate all sources of stress. The goal of stress management is to learn to juggle as many

26. ## english

Relaxing under a shady tree is very pleasant.

27. ## algebra

A rock is thrown upward with a velocity of 15 meters per second from the top of a 26 meter high cliff ad i misses the cliff on the way back down. when will the rock be 5 meters from the water below?

28. ## physics

Three charges are located on a horizontal axis. 12 µC −0.8 µC 12 µC p 1.69656 m 2.9 m 2.9 m Determine the magnitude of the electric ﬁeld at p, vertically above the charge −0.8 µC as shown in the ﬁgure. Let up be the positive direction. The

29. ## chem

A student placed 13.5g of glucose (\rm C_6H_{12}O_6) in a volumetric flask, added enough water to dissolve the glucose by swirling, then carefully added additional water until the 100. \rm mL mark on the neck of the flask was reached. The flask was then

30. ## math algebra

The top of a rectangular dining room table is twice as long as it is wide. dimensions of the table if the area is 72 ft^2 the table is_____ft wide and ______ ft. long. PLEASE HELP

31. ## Science

What could happen if a plant’s phloem does not work correctly? Select one: a. Photosynthesis will not take place. b. The plant might be short of water. c. The plant might be short of food. d. The plant will not be able to dissolve minerals.

asked by T.J And the Vibe
32. ## math

Algebra write a mixed number for p so that 3 1/4 x p is more than 3 1/4= I was not sure I was thinking 2 2/3?

33. ## algebra 1

The formula for the volume, V, of a prism is V = Bh, where B equals the base area, and h is the height of the prism. What is the height of a prism with base area 21 cm2 and volume 84 cm3?

34. ## Chemistry

How many grams of sulfuric acid is in 25.0 g of 8.00 % H2SO4 solution?

35. ## programming

Write the following algorithms using pseudocode: 1. Calculate the net pay for an hourly employee. You will be given the name, pay rate and hours worked. You must calculate the state withholding (5%), federal withholding (18%), and Social Security (8%). You

36. ## Spanish

can someone help me with Spanish? I don't get it..AT ALL..:( (for 1-3 there is a picture of a sign that says "Taqueria") 1.Use the picture as a cue to tell where YOU are coming from. Vienes de la taquería. Viene de la taquería. Vengo de la taquería.

37. ## Dilution

Please, if possible, check if my method of dilution is correct Problem: Given a very concentrated liquid PBS, dilute it to 1:15,000 My approach is to use serial dilution First: dilute it 15x (50ul of PBS + 750ul of water)... this will give 1:15 Second:

38. ## geomtrey

Find the missing value to the nearest hundredth. tan =38 Find the missing value to the nearest hundredth. sin=8/32

39. ## maths

In the finals of a rugby tournament, two teams play a best of 5 series. Each team has a probability of 1/2 of winning the first game. For each subsequent game, the team that won the previous game has a 7/10 chance of winning, while the other team has a

40. ## Physics 2 with calculus

The wires leading to and from a 0.12--diameter lightbulb filament are 1.5 in diameter. The wire to the filament carries a current with a current density of 4.0×105 . what is the current density in the filament?

41. ## statistics

A television program director has 14 shows available for Monday night and 5 shows must be chosen. How many different possible combinations are there?

42. ## Physics

The electric potential inside a charged spherical conductor of radius R is given by V = kQ/R, and the potential outside is given by V = kQ/r. Using Er = -dV/dr, derive the electric field inside and outside this charge distribution.

43. ## Physics

You're sailboarding at 7.0 m/s when a wind gust hits, lasting 6.8 s accelerating your board at 0.47 m/s2 at a 35 degrees to your original direction.

44. ## maths

a hiker walk due east at 4km per hour and a second hiker starting from the same point walks 55 degree north-east at the rate of 6km per hour. H ow far apart will they be after 2 hours

45. ## word problem

Millwood city is constructing a new highway through town. The construction crew can complete 5 3/6 miles of road each month. The total new highway will be 54 miles long. Will the highway be finished in 8 months? I know that 36 2/5 miles of highway can be

46. ## Chemistry

Currently studying for an lab exam. Just have a few question about a typical Iodine Clock reaction lab. In an typical Iodine Clock reaction lab what would be the state of effect of an increase in the initial concentration of persulfate ion (S2O3 2-) and

47. ## physics

A particle is travelling on a straight line with constant acceleration. It covers 6m in the 4th second and 7m in the 5th second. Fine its acceleration and initial speed.

48. ## Socials: invention

what inventions came before the steam engine? (prototype) I have researched about the steam engine by James Watt and I know that before the steam engine there was a steam pump that was invented by Thomas Newcomen, but I need more info than this. Please

49. ## World history; Check:P

Human Origins Essay Write a opinion paper on the most significant consequences of the Agricultural Revolution. One of the greatest consequence was that the population increased. The increase of population lead to the need of more clothing. People who were

50. ## ENG1511

correct the following sentences for subject-verb agreement,tenses and fragments. 1.My cat is very playful. 2.When he thought he could affrod to pay his own school fees. 3.This children keep making noise. 4.These are great news indeed;I can't believe I made

51. ## MATH

A student who wants to buy 3 CDs, but assume that there are 6 CDs featuring the piano, 3 CDs featuring the trumpet, and 5 CDs featuring the saxophone. In how many ways can the selection be made if CD's featuring at least 2 different instruments are

107. ## English

To assert means to A.put into words forcefully b.pass along stories quickly C.compliment someone often D.explain something completely A?

108. ## programming

3. Your company needs to depreciate its assets. The accountant wants to record the purchase price, the useful life, and the estimated salvage value. Your program should be able to depreciate by the straight-line method. For example, a computer system was

109. ## physics

A particle is travelling on a straight line with constant acceleration. It covers 6m in the 4th second and 7m in the 5th second. Fine its acceleration and initial speed.

110. ## Maths

The ratio John's age to Ryan's age is 3:1 now . 25 years later , the ratio will become 4:3 .How old is John now ?

111. ## biology help?

In 1857, Louis Pasteur discovered that yeast is a living organism. The activity of yeast causes fermentation – baker’s yeast, Saccharomyces cerevisiae, has been used for centuries in the production of bread, beer and wine. In the absence of oxygen,

112. ## algebra

the length of a rectangular photograph is 5in. more than the width. If the area is 50 in^2 what are the dimensions of the photograph? the width is__in. and the length is ____in.

113. ## english

preview the following titles of novels,which one would you expect to be aboutthe adventures of a sled dog? A.the call of the wild B.sons and lovers C.a passage to india d.the secret agent

114. ## Applied Calculus

Find the derivative of this function: g(t)=(8t+10)^2*(10t^2-7)^-3 Using the Chain Rule.

115. ## Math

Charlene made the sketch below in order to find the height x of a pole. She positioned a mirror on the ground so that she could see the reflection of the top of the pole. Her height, her distance from the mirror, and her line of sight to the mirror

116. ## math

A: 3.648 reapating 8= is rational B:-3 2/13= is rational C: 3.605551275464...=is irrational D: -3.744= is irrational

117. ## Chemistry

What is the final temperature after a 11.9 g piece of ice is placed into a Styrofoam cup containing 110 g of hot water at 73.3 degrees Celsius?

118. ## hypothesis

What is the difference between an Type I and a Type II error? Provide an example of both.

119. ## Calculus Problem

I need to find the integral of e^(2x)sin(3x) I used integration by parts and I let u=e^2x and dv=sin(3x) My final answer was (-3/8)(e^(2x))(cos(3x)) - (1/8)(e^(2x))(sin(3x)) but it's wrong. Please help!!

I do know how to find the area of a square and rectangle, but how do you fing the area of a rhombus. (that is at least what it looks like.) The shape I'm talking about is like a rectangle but it looks like one side got stretched to the left. (sorry if I

121. ## Math

I can't find the integral for (tanx)^(6)*(secx)^(2) I tried splitting up tanx into (tanx)^2*(tanx)^4 and let the latter equal (secx)^2 - 1. Please help, thanks!

122. ## Physics

Aaron (mass 60 kg) catches his running cat (mass 5 kg) moving horizontally at 1.5 m/s. What is the speed of Aaron and his cat after the catch?

123. ## algebra story problem

the length of a rectangular photograph is 8in. more than the width. if the area is 560 in^2 what are the dimensions of the photograph? the width is______ in. and the length is _______ in. help? thanks!

124. ## algebra story problem

the length of a rectangular photograph is 8in. more than the width. if the area is 560 in^2 what are the dimensions of the photograph? the width is______ in. and the length is _______ in. help? thanks!

125. ## algebra story problem

the length of a rectangular photograph is 8in. more than the width. if the area is 560 in^2 what are the dimensions of the photograph? the width is______ in. and the length is _______ in. help? thanks!

126. ## physics

A body moves in a straight line with initial velocity and uniform acceleration. Find how far it travels in 12s, giving that it travels 246m in the first 6seconds and 69m in the last 3seconds. Find also the initial velocity.

127. ## early childhood education

A poem that does not ryme is called: a. free verse. b. narrative. c. a lyric. d. nonfiction.

128. ## PreCalculus

2000(1 – 0.75) = 2000 (.25) = 500 survivors after the dose of prescription a is taken Then, 500(1.40)3 = 1374 bacteria after the 3 hours period at the instant before the second dose is taken. 1.) For antibiotic A, determine the bacterial population after

177. ## Social Studies

Why the Lydians develop a money economy?

178. ## college algebra

Axis of symmerty x=3 passing through (3,1) and (1,9) What is the best way to solve?

dolphins

181. ## PreCalc

2000(1 – 0.75) = 2000 (.25) = 500 survivors after the dose of antibiotic a is taken Then, 500(1.40)3 = 1374 bacteria after the 3 hours period at the instant before the second dose is taken. a.) For antibiotic A, determine the bacterial population after 6

182. ## Math

Solve the formula for r: A=P(1+nr)

183. ## math

Jasmine put 10 cups of water in a . If the bucket is half full, what is it capacity?

184. ## math

which statement is false: A: 3.648 reapating 8= is rational B:-3 2/13= is rational C: 3.605551275464...=is irrational D: -3.744= is irrational

185. ## math

___3____ + ___5__ x-4 x-3 -------------------- -4 1 ______ - ______ x-5 x-4 simplify the complex fraction

186. ## science

i have to prepare a new technology based model for science fair that has been rarely known. Is there any different technology in america or england that is rarely known?

187. ## math

3/4 x 2 2/3 x 5 1/5= 3/4 x 8/3 x 26/5= 624/60 what do I do from there?