# 1)Find the sixth term of the geometric sequence for which a1=5 and r=3 A)1215 B)3645 C)9375 D)23 I chose A 2)Write an equation for the nth term of the geometric sequence -12,4,-4/3... A)aN=-12(1/3)n-1 B)aN=12(-1/3)n-1 C)aN=-12(-1/3)-n+1 D)aN=-12(-1/3)n-1 I chose C 3)Find

92,916 questions, page 829
1. ## algebra

Sarah blends coffee for Tasti-Delight. She needs to prepare 170 lbs of blended coffee beans selling for \$3.59 per pound. She plans to do this by blending together a high-quality bean costing \$5.00 per pound and a cheaper bean at \$2.00 per pound. To the

asked by lauren on February 9, 2012
2. ## Urgent math pls

The noise from a power mower was measured at 108 dB. The noise level at a rock concert was measured at 119 dB. Find the ratio of the intensity of the rock music to that of the power mower. (Round your answer to the nearest whole number.) I tried by 108-119

asked by alice on August 11, 2015
3. ## Physics

Two blocks of masses m1 = 4.4 kg and m2 = 4.8 kg are connected by a string as shown in the figure above. Block 1 moves at a constant velocity down the incline 30 degrees) block two is not at incline it is straight. they are attached with a string. a) Find

asked by Micheal on July 13, 2014
4. ## math

need help. Young salmon hatch in freshwater steams and then migrate downstream to the ocean at the rate of 70 miles in 8 hours. there they live until they reach spawning age. then they return upstream to fresh water to spawn and usually die soon after. on

asked by alicia on February 7, 2011
5. ## science

If 20g of sodium chloride is dissolved in 100 cm3 of water at 20c is the solution saturated? I looked up the solubility of NaCl in my copy of The Merck Index and it is listed as 1 gram NaCl dissolving in 2.8 mL water at 25 degrees C. Converting that means

asked by Anonymous on January 22, 2007
6. ## statistics

A random sample of 16 mid-sized cars tested for fuel consumption gave a mean of 26.4 kilometers per liter with a standard deviation of 2.3 kilometers per liter. i) Assuming that the kilometers per liter given by all mid-sized cars have a normal

asked by Koia on May 10, 2012
7. ## physics

A 10 g particle has the potential energy shown in a graph with the y-axis label U(J) and the x axis is labeled in cm. There is a diagonal line from 4 J down to 1 cm and the line levels out on the x axis to 3 cm and rises again to a height of 2 J at 5 cm

asked by Ashley on December 2, 2009
8. ## FINITE MATH

Applicants who wish to be admitted to a certain professional skill at a large university are required to take a screening test that was devised by an educational testing service. From the past results, the testing service has estimated that 70% of all

asked by MECCA on March 19, 2012
9. ## Basic Statistics

A random sample of 16 mid-sized cars tested for fuel consumption gave a mean of 26.4 kilometers per litre with a standard deviation of 2.3 kilometers per litre. (a)Assuming that the kilometers per litre given by all mid-sized cars have a normal

asked by John on October 15, 2014

The breaking strengths (say, y) for one foot square samples of a particular synthetic fabric are approximately normally distributed with a mean of 2280 pounds per square inch and a standard deviation of 10.6 psi. a) find the probability of selecting a 1

asked by Taylor on February 23, 2013
11. ## Physics

A commuter airplane starts from an airport and takes the route shown in the figure below. The plane first flies to city A, located 175 km away in a direction 30.0° north of east. Next, it flies for 150 km 20.0° west of north, to city B. Finally, the

asked by anonymous on February 14, 2012
12. ## Physics

Two blocks of masses m1 = 4.4 kg and m2 = 4.8 kg are connected by a string as shown in the figure above. Block 1 moves at a constant velocity down the incline 30 degrees) block two is not at incline it is straight. they are attached with a string. a) Find

asked by Micheal on July 13, 2014
13. ## Algebra

Can someone please help on this portfolio? I've been stuck on it for several days and i've only got task 1 I chose Cape Coral for the population that increased, and Fort Lauderdale as the one that decreased. Task 2 a. Do some research and find a city that

asked by Billy on October 1, 2018
14. ## chemistry

When ice at 0C melts to liquid water at 0C, it absorbs 0.334 kj of heat per gram. Suppose the heat needed to melt 31.5 g of ice is absorbed from the water contained in a glass. If this water has a mass of .210 kg and a temperature of 21.0C, what is the

asked by Capacino on June 24, 2009
15. ## Andrew Wyeth, Help!

Okay, I'm writing a two page research report on him/his art. So far I've introduced him, given a short bio, gone into his classification as an artist, described & interpreted "winter" (1946) and "christina's world" (1948) I need two more works to do this

asked by Claire on February 11, 2007
16. ## maths

students are made to stand in equal rows with equal number of students.if 4 students are added to each row ,the number of rows will be reduce by 2 otherwise if 4 students are deducted from each row, the numer of rows will be increased by 3. then find the

asked by rohan on March 28, 2016
17. ## Emily

1.)Dylan has \$2.30 and dimes and nickels The number of dimes exceeds the number of Nichols by five find the number he has a each. 2.) A coin purse contained \$4.70 in Nickels and quarters there are 30 Coins in all how many of each kind of there. 3.)

asked by Anonymous on October 1, 2013
18. ## Geometry

Diagonals of quadrilateral ABCD intersect at O.If area of triangle ACB is 5 sq.units,area of triangle BCD is 9 sq.units,area of triangle CDA is 10 sq.units and area of triangle DAB is 6 sq.units,Find area of triangle AOB. Im begging you! pls I badly need

asked by Catrina on November 29, 2014
19. ## Math

so I was trying to do this based on logarithm scales. The noise from a power mower was measured at 108 dB. The noise level at a rock concert was measured at 119 dB. Find the ratio of the intensity of the rock music to that of the power mower. (Round your

asked by alice on August 10, 2015
20. ## Calculus

Company QRS generated a net profit between 1992 and 1997 at a rate approximated by 20 t + 264.5 million dollars per year, where t is the time in years since 1992. Find the value, in 1992, of QRS's net profit over the 5-year period from 1992 to 1997. Assume

asked by Brooke on December 1, 2010
21. ## Math

I have trouble solving distance rate problems. I have a worksheet that I want to complete. I will post one question in hopes that someone can break it down so I am able to solve other distance rate problems. (Step by Step please.) Thank you. An aircraft

asked by Malinda on December 18, 2015
22. ## Physics

1)An increase in the velocity of wire moving perpendicular through a magnetic field increases the induced EMF. true. confused me 2)There are four coils of wire being used as electromagnets. They all have the same size and are made up of the same material

asked by Jon on April 11, 2008
23. ## physics

a skater with an initial speed of 7.60m/s is gliding across the ice. air resistance is negligible. (a)the coefficient of kinetic friction between the ice and the skate blades is 0.100. find the deceleration caused by kinetic friction. (b)how far will the

asked by ajo on November 23, 2007
24. ## english

I got a question regarding my homework. The task is to find the mistakes in a given text but the last sentence confuses me so much that I lost the overview. I'll copy the sentence below and hope that someone can help me. "But to protect against children

asked by Leonie on October 26, 2014
25. ## Physics

A woman on a bridge 90.0m high sees a raft floating at a constant sped on the river below. She drops a stone from rest in an attempt to hit the raft. The stone is released when the raft has 6.00m more to travel before passing under the bridge. The stone

asked by mary on December 28, 2008
26. ## math

Taxicab Distances Problem. Imagine that the grid lines on a coordinate grid are streets and that the distance between two points must be measured by the number of “blocks” a taxicab would have to travel horizontally and vertically to get from one point

asked by candy on July 7, 2011
27. ## Statistics

Can anyone tell me how to use TI-84 calculator to solve this problem??? A company has developed a new type of light bulb, and wants to estimate its mean lifetime. A simple random sample of 12 bulbs had a sample mean lifetime of 692 hours with a sample

asked by Anonymous on June 29, 2013
28. ## Math

At breakfast, Gino drank 2/3 of the orange juice in a container. He drank 15 ounces of orange juice. a) Write a multiplication equation that you can use to find the amount of orange juice that was in the container before Gino had breakfast

asked by Gray M. on January 11, 2013
29. ## Math

the intensity l of light from a light bulb, measured in watts per square meter (w/m^2), varies inversely as the square of the distance d from the light bulb. Suppose l is 70 w/m^2 when the distance is 5m. Find the intensity when the distance from the light

asked by Kalyn on August 7, 2015
30. ## Stats

Suppose the number of cell phones in a household has a binomial distribution with parameters n = 17, and p = 40 %. Find the probability of a household having (Keep at least 4 digits) (a) 11 or 13 cell phones? (b) 11 or fewer cell phones ? (c) 14 or more

asked by terry on July 6, 2017
31. ## Precalculus

A pair of dice is rolled, one black and one white. Find the probability of each of the following events. 1. The total is between 3 and 7. My answer: 1/3 2. The total is 13. My answer: 0 3. The numbers are 2 and 5. ????????? 4. The black die has 2 and the

asked by Anonymous on February 8, 2014
32. ## Mat/117 DQ1

How do you know if a quadratic equation will have one, two, or no solutions?Please give examples. How do you find a quadratic equation if you are only given the solution? Please give an example.Is it possible to have different quadratic equations with the

asked by Rose on February 27, 2012
33. ## Physics

A football is kicked 65 m. If the ball is in the air for 4.3 s, find its horizontal velocity vx. Enter m/s as unit and use g = 10. m/s2. What is its initial vertical velocity vy? Enter m/s as unit. With what initial speed was the football kicked? Enter m/s

asked by Robert on January 22, 2013
34. ## writing skills

Find the sentence with the active voice. A. The chairman told me that the legislature passed the bill. B. It was voted by the legislature to pass. C. The bill was passed by the legislature. D. I was told by the chairman that the bill was passed by the

asked by me on October 13, 2009
35. ## Mathematics (probability)

A bag contains 3 red and 5 white toys. Rose picked two toys one after the other. Draw a probability tree. Find the probability that Rose gets two red toys. You can use Microsoft Word to draw a probability tree.

asked by arzam on May 16, 2013
36. ## Physics

A football is kicked 65 m. If the ball is in the air for 4.3 s, find its horizontal velocity vx. Enter m/s as unit and use g = 10. m/s2. What is its initial vertical velocity vy? Enter m/s as unit. With what initial speed was the football kicked? Enter m/s

37. ## Math

A tank in the shape of a cone has a diameter of 8 feet and a height of 10 feet.when there is water in the tank, th water is in the shape of a cone too. find the radius of the cone of water when the water is 2 feet high. Explain how you would solve it.

asked by Cynthia on August 3, 2010
38. ## Probability

A pair of dice is rolled, one black and one white. Find the probability of each of the following events. 1. The total is between 3 and 7. My answer: 1/3 2. The total is 13. My answer: 0 3. The numbers are 2 and 5. ????????? 4. The black die has 2 and the

asked by Anonymous on February 8, 2014
39. ## math

At breakfast Gino drank 2/3 of the orange juice in a container. He drank 15 ounces of orange juice. Write a multiplication equation that you can use to find out the amount of orange juice that was in the container before Gino had breakfast?

asked by Stephanie on November 19, 2014
40. ## math

if the weight of a fish varies jointly as the length and the square of the girth, and if a fish 11 inches long with a girth of 7 inches weighs 0.7lbs, find the weight of a fish 23 inches long with a girth of 18 inches.

asked by amber on September 5, 2012
41. ## physics

Ben (55 kg) is standing on very slippery ice when Junior (25 kg) bumps into him. Junior was moving at a speed of 8 m/s before the collision and Ben and Junior embrace after the collision. Find the speed of Ben and Junior as they move across the ice after

asked by samae on April 26, 2019
42. ## Calculus

A 15 ft ladder leans against a wall. The bottom of the ladder is 4 ft from the wall at time t=0 and slides away from the wall at a rate of 3ft/sec. Find the velocity of the top of the ladder at time t=2. The velocity of ladder at time t=2 is

asked by saud on October 29, 2011
43. ## probability

A golf ball is selected at random from a golf bag. If the bag contains 2 orange balls, 5 red balls, and 18 brown balls, find the probability of the event. That the golf ball will be orange or red.

asked by carol on June 17, 2014
44. ## math

The intensity of I of light from a light bulb, measured in watts per square meter (w/m^2), varies inversely as the square of the distance d from the light bulb. Suppose I is 85 w/m^2 when the distance is 5m. Find the intensity when the distance from the

asked by destiny on July 24, 2015
45. ## finite math

A golf ball is selected at random from a golf bag. If the bag contains 3 black balls, 8 orange balls, and 4 brown balls, find the probability of the event. That the golf ball will be black or orange.

asked by carol on June 17, 2014
46. ## algebra

A tourist sailed against the current on a river for 6 km, and then he sailed in a lake for 15 km. In the lake he sailed for 1 hour longer than he sailed in the river. Knowing that the current of the river is 2 km/hour, find the speed of the boat while it

asked by Anonymous on March 6, 2016
47. ## math

One pipe fills a storage pool in 20 hours. A second pipe fills the same pool in 15 hours. when a third pipe is added and all three are used to fill the pool , it takes only 6 hours. Find how long it takes the third pipe todo the job.

asked by sam on December 4, 2012
48. ## science

to find the height of a bridge over a river. a stone is dropped freely in the river from the bridge.the stone takes 2s to touch the water surface of the river. calculate the height of the bridge from the water surface (g=9.8 m/s

49. ## math

If the angle of declination is known, a surveyor would use_______ to find the length x. The cosine of a 50° angle is_______ this represents the value created when length x is divided by 90 feet. If the angle of declination changed to 60°, the cosine

asked by justin on April 5, 2014
50. ## algebra help

I am really confused on this question can some one help me out please the length of a rectangular playing field is 5 ft less than twice its width If the perimeter of the playing field is 230 ft. find the length and width of the field. I believe i am

asked by sara on March 23, 2007
51. ## Math

a u.s based motorcycle manufacturer says that it expects to build 149,000 motorcycles tbis year, up from 137,000 last year. find the percent of increase in production Would it be 8.75 percent increase? I took 149,000-137,000/137,000 and I got .08759124 and

asked by Katie on February 14, 2017
52. ## Math

Ray AF bisects angle DAB, Ray AE bisects angle DAF, and ray AD bisects angle CAF. Draw a picture that represents this situation. (I drew a picture but I still do not understand.) If the measure of angle DAB=x, find the measure of angle BAC. Answer choices:

asked by Emma on November 7, 2008
53. ## math help pls pls pls

Find the quotient of the quantity negative 15 times x to the 2nd power times y to the 6th power plus 50 times x to the 4th power times y to the 3rd power minus 20 times x to the 2nd power times y all −3y5 + 10x2y2 − 4 −15x2y6 + 50x4y3 − 4 3y5 +

asked by Oscar on March 21, 2016
54. ## English Expressions

Think of the loci method. In this room you can find 9 fixed things and number the things systematically from top to bottom and from left to right. Then you can recall what you have memorized with ease. You need to use the 3 3 3 system. After that prepare 9

asked by John on December 12, 2007
55. ## Geometric Transformation, Unit Circle, Maths

Good morning, I have this question: the matrix A = 0 6 4 12 i) show that it is invertable. ii)Find the equation of the image f(c) of the unit circle c in the form. ax^2+bxy+cy^2=d iii)Calculate the area enclosed by f(c). ---------------------------------

asked by Mat on February 18, 2017
56. ## math

The runway of an airfield faces west. An airplane, flying in the direction of north-east at a height of 2km and at a speed of 400km/h, on a path which passes over a point 3km west of the runway end, is spotted sqrt(29)km horizontally(south-western

asked by Jainee on November 20, 2011
57. ## phenolphthalein

sorry, I miss your reply to this answer. I suspect that it was deleted when we transfered to the new server as I notice that every posts before the switch were deleted. It may have been eliminated. Do you want me to do it again. If so, let me know exactly

asked by Anonymous on June 12, 2006
58. ## MATH

Find the angle between the forces given the magnitude of their resultant. (Hint: Write force 1 as a vector in the direction of the positive x-axis and force 2 as a vector at an angle θ with the positive x-axis. Round your answer to one decimal place.)

asked by ghost on February 28, 2019
59. ## math

marian has 2/3of a bag af bagles. A) she adds another 1/4 bag of bagels. what fraction of the bag is full with bagels now? B)Marian has another bag of bagelsthat is 5/6 full. what fraction describes how many more bagels are in the bag in part (A)? To add

asked by S@ on April 12, 2007
60. ## History...

1. A student is researching both Lincoln's and Johnson's plans for reconstruction using a search engine. Which website should she visit to find information? A. Congress leads the way B. Rise of redeemer governments in the 1870s C. Political reforms in the

asked by @!!!,"*/>=&\$&#> on January 8, 2019
61. ## History re-post for 1234

1. A student is researching both Lincoln's and Johnson's plans for reconstruction using a search engine. Which website should she visit to find information? A. Congress leads the way B. Rise of redeemer governments in the 1870s C. Political reforms in the

asked by Writeacher on January 8, 2019
62. ## math: optimising

I cant figure out this homework question! I need to use optimisation to find the answer but I cant work it out :( There is a rectangular garden which is in need of fencing. Three sides of the 30m wide garden are already fenced. You own an additional 20m of

asked by Fredrick on August 8, 2014
63. ## physics

Note: The direction of the acceleration ~a of the system is given in the figure. Three masses (17 kg, 21 kg and 67 kg) are connected by strings. The 67 kg mass slides on a horizontal surface of a table top and the 17 kg and 21 kg masses hang over the edge

asked by I dont like physics on November 24, 2015
64. ## Calculus

Water leaks from a tank at the rate of r(t) gallons per hour. The rate decreased as time passed, and values of the rate at two-hour time intervals are shown in the table below. The total amount of water that leaked out is evaluated by a Riemann sum. Find

asked by Alice on February 6, 2019
65. ## chemistry

if you have one mole of CH3CH3(g) + 2 moles of Cl2 (g) and form one mole of C2H4Cl2 (l) + 2 moles of HCl (g) assuming a 90% yield calculate the amount of each reactant needed to form 1.5 kg of product I started the problem following the rules from the

asked by noell on August 30, 2010
66. ## MATH PROBLEM

-One revolution of the Sun by the Earth requires 365 days, 5 hours, 48 minutes and 49.7 seconds. the 5 hours, 48 minutes and 49.7 second is approximated to 1/4 of a day. Every 4th year, one full day is added( leap year). How much of an error in minutes and

asked by Kim on January 16, 2013
67. ## Chemistry

a compound was analyzed and found to contain C,H,N,O, and Cl. When o.150g sample of this compound was burned, it produced 0.138 g of CO2 and 0.0566 g of H2O. All of the Nitrogen in another sample of mass 0.200 g was converted to 0.0238 g of NH3. Finally,

asked by Arnol on November 13, 2011
68. ## physics

The concepts in this problem are similar to those in Multiple-Concept Example 4, except that the force doing the work in this problem is the tension in the cable. A rescue helicopter lifts a 89.2-kg person straight up by means of a cable. The person has an

asked by BrookeNeed on October 14, 2016
69. ## maths probability plz help

The Probability that a USA-based business man goes to paris by car is 0.6 and by air is 0.4. If he goes by car, the probability that he will be early for his appointment is 0.3 while if he goes by air, the probability he'll be early is 0.65 (i) what is the

asked by matt on March 29, 2017
70. ## government-pos110

Which of the following characterizes the differences between House and Senate campaigns? a.House campaigns have more funding than Senate campaigns. b.House campaigns are less contested than Senate campaigns. c.House campaigns are less affected by the

asked by Michelle on November 10, 2011
71. ## MATH

A STORE SELLS A GRAB BAG OF THREE TRAVEL SIZE GAMES. A BAG CONTAINS ONE OF THE FOLLOWING BOOKS:A BOOK OF CROSSWORD PUZZLES, A BOOK OF WORD SEARCHES, OR A BOOK OF WORD SCRAMBLES. THE BAG ALSO CONTAINS A CHECKERS GAME OR A CHESS GAME AND ONE OF THE FOLLOWING

asked by MARLEN on March 16, 2011
72. ## help math

a partial moves along the x-axis so that its velocity at time t, for 0< = t = < 6, is given by a differentiable function v whose graph is shown above. The velocity is 0 at t=0, t=5, and the graph has horizontal tangents at t=4. the areas of the regions

asked by dave on May 20, 2008
73. ## Math

Real Estate an office building purchased for \$1, 200,000 is appreciating because of rising property values in the city. At the end of each year its value is 105% of its value at the end of the previous year. a. Use a recursive formula to determine what the

asked by Josh on February 5, 2018
74. ## math,help

help Probblem #6 solve by multiplying through with the common denominator (11)/(3)x + (1)/(6) = (8)/(3)x + (19)/(6) Problem #20 the perimeter of a rectangle is to be no greater than 300in. and the length must be 125in. write an inequality representing the

asked by jasort20 on March 18, 2007
75. ## Math

Real Estate an office building purchased for \$1, 200,000 is appreciating because of rising property values in the city. At the end of each year its value is 105% of its value at the end of the previous year. a. Use a recursive formula to determine what the

asked by Kgk on April 16, 2014
76. ## Calc

a partial moves along the x-axis so that its velocity at time t, for 0< = t = < 6, is given by a differentiable function v whose graph is shown above. The velocity is 0 at t=0, t=5, and the graph has horizontal tangents at t=4. the areas of the regions

asked by sammy on May 19, 2008
77. ## math

Real Estate an office building purchased for \$1, 200,000 is appreciating because of rising property values in the city. At the end of each year its value is 105% of its value at the end of the previous year. a. Use a recursive formula to determine what the

asked by chol on April 15, 2014

Naturally occurring cobalt consists of only one isotope, cobalt59, whose relative atomic mass is 58.9332. A synthetic radioactive isotope of cobalt60, relative atomic mass 59.9338, is used in radiation therapy for cancer. A 1.8155 sample of cobalt has an

asked by Aidan on August 29, 2011
79. ## Science, Physics, math, calculus

You would like to shoot an orange out of a tree with your bow and arrow. The orange is hanging 5.00 m above the ground. You fire the arrow at 35.0 m/s oriented 30.0° above the horizontal from a height of 1.30 m while standing 47.0 m away on your first

asked by James on November 24, 2013
80. ## Calculus

A piece of elastic is attached to two nails on a flat board, with a button attached to the midpoint of the elastic. The nails are 5 cm apart. You stretch the elastic by pulling the button along the board in a direction that is perpendicular to the line

asked by Mishaka on January 15, 2012
81. ## Physical Science

two people pull on separate ropes attached to a cart. the angle between the ropes is 90 degrees and one person pulls with a force of 200 newtons while the other pulls with a fore of 400 newtons. find the resultant force and direction using the

asked by Janet on March 24, 2010
82. ## physics

Two blocks each of mass 3.65 kg are fastened to the top of an elevator as in the figure. (a) If the elevator accelerates upward at 1.48 m/s2, find the tensions T1 and T2 in the upper and lower strings. (p4.21a1), enter the answer for T2, the tension in the

asked by Anonymous on October 4, 2012
83. ## physics

Two blocks each of mass 3.65 kg are fastened to the top of an elevator as in the figure. (a) If the elevator accelerates upward at 1.48 m/s2, find the tensions T1 and T2 in the upper and lower strings. (p4.21a1), enter the answer for T2, the tension in the

asked by Anonymous on October 5, 2012
84. ## physics

Consider the Earth and the Moon as a two-particle system. (a) Find the gravitational field of this two-particle system at the point that is exactly halfway between the Earth and the Moon. (Assume a radial direction r̂ from the Earth to the Moon. Express

asked by joy on February 16, 2018
85. ## Calc

"Let f(x,y)=2(x^2)y-(y^3)+x-4. a) Find the local linearization of f at (3,1) b) Compute the directional derivative of f at (3,1) in the direction towards the point (-2,3). At (3,1), is the function f increasing or decreasing in the direction towards the

asked by Brittany on March 1, 2011
86. ## Statistics

I'm stumped on this question. A teacher informs her history class that a test is very difficult, but the grades would be curved. Scores for the test are normally distributed with a mean of 25 and a standard deviation of 5. If the grades are curved

asked by Norilyn on March 15, 2011
87. ## Algebra

(I know I already asked this question but I can't find it so I'm asking it again) A surfer paddles out past breaking waves, rides a wave, paddles back out past the breaking waves, rides another wave back to the beach. Draw a sketch of a graph (with labels)

asked by PicturesDon'tChangeThePeopleInsideOfThemDo on November 5, 2017
88. ## physics

Two blocks each of mass 3.34 kg are fastened to the top of an elevator as in the figure. (a) If the elevator accelerates upward at 1.31 m/s2, find the tensions T1 and T2 in the upper and lower strings. (p4.21a1), enter the answer for T2, the tension in the

asked by lib on October 3, 2012
89. ## physics

The R-factor for housing insulation gives the thermal resistance in units of ft2 °F h/BTU. A good wall for harsh climates, corresponding to about 10 in of fiberglass, has R = 45 ft2 °F h/BTU. a) Determine the thermal resistance (in m2 K/W) in SI units.

asked by Anonymous on November 12, 2014
90. ## Math/College Algebra

A water trough with triangular ends is 9ft long, 4ft wide, and 2ft deep. Initially the trough is full of water, but due to evaporation, the volumn of the water decreases at a rate proportional to the square root of the volume. Using advanced concepts from

asked by Debi on September 6, 2008
91. ## PHYSICS need help now!!!

You have a summer job at your university’s zoology department, where you’ll be working with an animal behavior expert. She’s assigned you to study videos of different animals leaping into the air. Your task is to compare their power outputs as they

asked by Jcota2 on October 18, 2012
92. ## pschcology

Skills Assessment Activity Throughout your textbook, you will find an assortment of interesting “tests” that sample a broad range of skills, abilities, and traits. Although these exercises allow a glimpse at aspects of personality, the results must be

asked by jenny on February 15, 2008
93. ## physics

Three people attempt to hold a heavy sign in place. Abby pulls directly upwards (in the middle) with 140 N of force. Joe is ob Abby's left and pulls at a 30.0° to Abby's rope with a force of 180 N. Henry is on Abby's right and pulls at a 30.0° to Abby's

asked by Heather on November 8, 2015
94. ## Job/Career

Where can i find information on the automotive detailing industry? like statistics and reports Here are a few to try: http://www.automotivedetailing.com http://www.mobileworks.com/speakout.html and others:

asked by Bryan on December 19, 2006
95. ## Physics

A 0.0122-kg bullet is fired straight up at a falling wooden block that has a mass of 2.17 kg. The bullet has a speed of 813 m/s when it strikes the block. The block originally was dropped from rest from the top of a building and had been falling for a time

asked by Briana on October 13, 2013
96. ## Physics

A 0.012-kg bullet is fired straight up at a falling wooden block that has a mass of 5.0 kg. The bullet has a speed of 670 m/s when it strikes the block. The block originally was dropped from rest from the top of a building and had been falling for a time t

asked by Tom Atlus on January 11, 2011
97. ## physics

A 0.014 kg bullet is fired straight up at a falling wooden block that has a mass of 4.0 kg. The bullet has a speed of 700 m/s when it strikes the block. The block originally was dropped from rest from the top of a building and had been falling for a time t

asked by sarah on November 30, 2015
98. ## Physics

A 0.030-kg bullet is fired straight up at a falling wooden block that has a mass of 5.0 kg. The bullet has a speed of 700 m/s when it strikes the block. The block originally was dropped from rest from the top of a building and had been falling for a time t

asked by Xavier on October 24, 2010
99. ## Physics!

A 0.0124-kg bullet is fired straight up at a falling wooden block that has a mass of 3.96 kg. The bullet has a speed of 756 m/s when it strikes the block. The block originally was dropped from rest from the top of a building and had been falling for a time

asked by Sanz on October 19, 2014
100. ## Math

I am having a little trouble figuring this problem out if someone could help I would appreciate it. Question: The angle of elevation to the top f a tree sighted from ground level is 19degrees. If the observer moves 60 ft closer, the angle of elevation from

asked by Pam on July 21, 2016