# 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 588
1. ## Psychology

13.Within the cerebral cortex, the _______ area is found in the occipital lobe. A. visual B. association C. somatosensory D. main auditory 14.Dr. Lombard's research is focused on the capacity of the human mind to store and retrieve information. Her

asked by Emma on May 4, 2016

#1- Meta Investments, inc., offers to buy johnson computer corporation. On January 1st, Johnson gives meta copies of Johnsons financial statements for the previous year. The statements show an inventory of $1 million. On January 15th, Johnson discovers asked by roger on May 18, 2009 3. ## Health Jennifer is fifty-four. Her husband Brian died suddenly in a care crash. Not only was she emotionally distraught, but she found herself in serious financial turmoil. Brian had handled the finances (at least she had thought he had) throughout their 21 year asked by RT on April 22, 2012 4. ## S.S. help What were some unusaual uses for colonial clothing? Were they made of weird material? You are searching for information that is so specific that you have to be prepared for the possibility that none of it may be online. Or some may be, and some may not. In asked by Melthea on November 20, 2006 5. ## English Language & Composition Can someone help me edit & revise this ex. paragraph. The directions were to revise & edit & identify strengths & weaknesses about this person and what this person included in their body paragraph. I could find very few mistakes but the major is including asked by Jake on September 1, 2015 6. ## ALGRBRA have put together the math in words, please help me show the work in a math format. Info below Note 1,2,3 To find the population growth rate subtract the population of 2006 from 2007. Divide that answer by the 2006 population. Australia’s growth rate asked by Vision/Help Me on November 1, 2007 7. ## Vision/Help me I have put together the math in words, please help me show the work in a math format. Info below Note 1,2,3 To find the population growth rate subtract the population of 2006 from 2007. Divide that answer by the 2006 population. Australia’s growth rate asked by ALGRBRA on November 1, 2007 8. ## Physics a rocket with mass 3000kg is fired from the ground at an angle of 60 degrees. the motor creates a force of 60000N for 50sec then cuts out. how do i find total horizontal distance from leaving the ground to hitting the ground again?? no air resistance asked by Sarah on October 31, 2007 9. ## physics In a cloud chamber experiment, a proton enters a uniform 0.260 magnetic field directed perpendicular to its motion. You measure the proton's path on a photograph and find that it follows a circular arc of radius 6.38 . How fast was the proton moving? asked by Anonymous on February 28, 2013 10. ## physics Two identical 1.60 {\rm kg} masses are pressed against opposite ends of a spring of force constant 1.85 {\rm N}/{\rm cm}, compressing the spring by 25.0 {\rm cm} from its normal length.Find the maximum speed of each mass when it has moved free of the asked by Anonymous on December 23, 2011 11. ## Calculus The strength of a beam with rectangular corss-section is directly proportional to the product of the width and the square of the depth (thickness from the top to bottom of the beam). Find the shape of the strongest beam that can be cut from a cylindrical asked by Liz on May 5, 2012 12. ## calculus Please help . confused here. The rate of change of an investment account earning continuous compound interest is given by dA/dt=kA where k is a positive constant. The initial account value was$2500. At the end of the third year, the account value was

asked by mikey2 on March 11, 2013
13. ## Pre-Calc

Consider a non-right triangle. a=39 b=25 c = 24.(a,b,c are the sides) Find A,B,C. (these are the degrees of the triangle) I know theres an equation: b^2= a ^2 + c^2 - 2accos(B) and sinA/a = sinB/b = sinC/c but when i do the problem i get A= 74.55 B = 38.16

asked by Student (UCI) on December 8, 2011
14. ## physics

A textbook is 23cm long, 18cm wide and 4cm deep and its mass is 1.8 kg. Find the work required to accelerate it from rest to an angular speed of 2.75 rad/s spinning about the: -length axis -width axis -depth axis

15. ## physics

Emily holds a banana of mass m over the edge of a bridge of height h. She drops the banana and it falls to the river below. Use conservation of energy to find the speed of the banana just before hitting the water.Express your answer in terms of some or all

asked by Mrs G on March 3, 2012
16. ## physics

a body of mass2kg is lying on a rough inclined surface of inclination 30 degree .find the magnitude of the force parellel to the incline needed to make the block move .1)up the incline .2)doun the incline. cofficent of static friction is 0.2

asked by Anonymous on November 16, 2011
17. ## physics

a men in circus shows jump from a height of 10m &caught by net spread below the net sag 2m due to its impact.find avgforce exerted by net on man to stop hiss fall .takeamassofman60kg and acceleration10m/s2

asked by harsh on August 29, 2015
18. ## calculus

A cylindrical metal can with an open top is to be constructed. the can must have a capacity of 24pie cubic inches. the metal used to contruct the bottom of the can costs 3 times as much as the metal in the rest of the can. Find the dimensions(radius and

asked by jose on January 17, 2011
19. ## physics

a men in circus shows jump from a height of 10m &caught by net spread below the net sag 2m due to its impact.find avgforce exerted by net on man to stop hiss fall .takeamassofman60kg and acceleration10m/s2

asked by Anonymous on August 29, 2015
20. ## physics

a men in circus shows jump from a height of 10m &caught by net spread below the net sag 2m due to its impact.find avgforce exerted by net on man to stop hiss fall .takeamassofman60kg and acceleration10m/s2

asked by Anonymous on August 29, 2015
21. ## Calculus

The strength of a beam with rectangular corss-section is directly proportional to the product of the width and the square of the depth (thickness from the top to bottom of the beam). Find the shape of the strongest beam that can be cut from a cylindrical

asked by Candy on March 10, 2012
22. ## Civil Rights History

I am stuck on a homework question, and I can't seem to find any information on this. Which organization was considered by many African-American leaders as the most progressive toward civil rights issues in the 1930s? a. Communist Party of the USA b.

asked by Jay on April 6, 2017
23. ## Biology

What is cytoplasmic strand? and can you give me a website wherein I can find informations pertaining to plant and animal cell long chains of protiens that secure the neucleus in the middle of the cell, as well as performing other functions during mitosis

asked by Kimmy on November 22, 2006
24. ## Physics pls help

A proton is moving in a circular orbit of radius 11.8 cm in a uniform magnetic field of magnitude 0.232 T directed perpendicular to the velocity of the proton. Find the orbital speed of the proton. Answer in units of m/s. I came up with .118/2.83x10^-7 and

asked by cr on April 14, 2011
25. ## Chemistry

The specific heat capacity of solid lead is 0.159J/g°C, the molar enthalpy of fusion is 5.0kJ/mol, and the melting point of lead is 328°C. Calculate the total energy required to change 100g of lead at 25°C to molten lead at it's melting point. I will be

asked by J.M. on September 23, 2006
26. ## math

Please check my answers Would you be more likely to get at least 70% tails if you flip a fair coin 10 times or if you flip a fair coin 1000 times? same Consider a bowl containing 36 different slips of paper. Ten of the slips of paper each contain one of

asked by anonymous on March 29, 2011
27. ## math

find the sum of 2 1/2 and 2/5 which of the following makes the statement true? 1/5^0 the area of a certain state is 840,000 square miles. what is this area in scientific notation? which is irrational? A. 0.11711711711... B. o.8596873205... C.

asked by Bry on October 7, 2014
28. ## probability

t the discrete random variable X be uniform on {0,1,2} and let the discrete random variable Y be uniform on {3,4}. Assume that X and Y are independent. Find the PMF of X+Y using convolution. Determine the values of the constants a, b, c, and d that appear

asked by JuanPro on March 28, 2014
29. ## mastering quantum mechanics

Problem 4: Variational principle and bounds (3 parts, 30 points) PART A (15 points possible) Consider a particle of mass m in a box of size L so the wave function vanishes at x=±L/2. Find an upper bound E∗ on the ground state energy Egs using a simple

asked by JuanPro on April 6, 2015
30. ## PHYSICS II

When two identical ions are separated by a distance of 4.0×10^−10 , the electrostatic force each exerts on the other is 5.7×10^−9 . How many electrons are missing from each ion? what i did was used coulombs law to find the value of q1 and q2 , so

asked by Cassie on January 17, 2011
31. ## physics

Find the net torque (magnitude and direction) produced by the forces F1 (F1 = 17.3 N) and F2 (F2 = 26.1 N) about the rotational axis shown in the drawing. The forces are acting on a thin rigid rod, and the axis is perpendicular to the page. (x = 0.323 m, y

asked by Sami on October 26, 2011
32. ## chemistry

What will be the final pH value if you mix 50ml HCl (aqueous solution, pH=0.5) and 40ml NaOH (aqueous solution, pH=12). Hint: convert pH value to concentration of acids/base, then consider the neutralization reaction, then find out the resulting pH value.

asked by Anonymous on April 4, 2013
33. ## Math

the population of a city of 750,000 us devastated by an unknown virus that kills 20% of the population per day. The use the equation to find: how many people are left after a week. write the exponential equation to solve and use what each variable

asked by JT on November 7, 2017
34. ## Physics

Two hockey players strike a puck of mass 0.168 kg with their sticks simultaneously, exerting forces of 1.16 103 N, directed west, and 9.90 102 N, directed 30.0° east of north. Find the instantaneous acceleration of the puck.

asked by Abby on September 12, 2017
35. ## math

change both measurements to the same unit of measure,and find the scale factor. 1. 4in. model of a 6ft.cabinet 2. 4cm. model of a 2m. door. 3. 12ft. model of a 100yd. playground 4. 20m. model of a 3km. street.

asked by citaly on December 1, 2009
36. ## math

A balloon in the shape of a sphere is deflating. Given that t represents the time, in minutes, since it began losing air, the radius of the ballon (in cem) is r(t)=16-t. Let the equation V(r)= 4/3 pi r^3 represent the volume of a sphere of radius r. Find

asked by andrea on March 12, 2010
37. ## MATH

Find 3 upper case letters that look the same when rotated 180 degrees. Then, what letter's 90, 180, and 270 degree rotations has this outline? This is also the inside lines formed by the rotation of what letter? and could explain how you did it please i

asked by Marney on February 1, 2012
38. ## math,geometry

Find 3 upper case letters that look the same when rotated 180 degrees. Then, what letter's 90, 180, and 270 degree rotations has this outline? This is also the inside lines formed by the rotation of what letter? and could explain how you did it please i

asked by mellisa on February 1, 2012
39. ## physics

A 1.31 g samara -- the winged fruit of a maple tree -- falls toward the ground with a constant speed of 1.0 m/s (Figure 5-29). I understand that acceleration equals zero, but I don't understand how to find the upward force need to keep the fruit at 1.0

asked by Ryan on February 5, 2010
40. ## optimization calculus

a net enclosurefor practisinggolf shots is open at one end, as shown, find the dimensions that will minimize the amount of netting needed and give a volume of 144 m^3(netting is required only the sides, the top, the far end.)

asked by Anonymous on March 8, 2011
41. ## math

1) Write a translation rule that maps point D(7, –3) onto point D'(2, 5). 2) Triangle ABC has coordinates A(1, 4); B(3, –2); and C(4, 2). Find the coordinates of the image A'B'C' after a reflection over the x-axis. Note: PLEASE ANSWER NICE AND NEAT AND

42. ## Physics

A 2000kg car rounds a curve of 65m banked at an angle of 11∘ How much friction force will be required? I know how to find frictional force on a normal flat surface but I don't know how to apply it with a curve. Any help with work would be great!

asked by Alison on September 27, 2013
43. ## maths-circles

a circle having a centre O has a triangle PQS inside it with the base QP is not on centre O. PT and QT are two tangents from an exterior point T (S, O and T are linear points - lie in one line ) it is given that angle ptq = 25 deg . find angle PSQ and OPQ

asked by anoynomous on March 15, 2013
44. ## physics

Find the net torque (magnitude and direction) produced by the forces F1 (F1 = 17.3 N) and F2 (F2 = 26.1 N) about the rotational axis shown in the drawing. The forces are acting on a thin rigid rod, and the axis is perpendicular to the page. (x = 0.323 m, y

asked by Sami on October 26, 2011
45. ## Physics

Q1: Find the frequency of revolution of the electron in the classical model of the hydrogen atom.In what region of the spectrum are electromagnetic waves of this frequency?? Q2:A beam of 13.o electrons is used to bombared gaseous hydrogen.What series of

asked by Shah Rukh on June 3, 2014
46. ## Physics

A man can swim in still water at a speed of 3km/hr.He wants to cross the river that flows at 2km/hr and reach the point directly opposite to his starting Point.find the angle if his body makes with the river flow.

asked by Anonymous on August 21, 2015
47. ## Physics

Four charges with equal magnitudes of 7.81 × 10-12 C are placed at the corners of a rectangle. The lengths of the sides of the rectangles are 2.52 cm and 4.02 cm. Find the magnitude of the electric field at the center of the rectangle in Figures a and b.

asked by Sarah on March 20, 2013
48. ## Physics

An airplane flies at an airspeed of 445km/hr. The pilot wants to fly 785km to the north. She knows that she must head 18.0° east of north to fly directly there. If the plane arrives in 1.97hr, find the magnitude of the wind velocity vector.

asked by Lash on September 18, 2015
49. ## biology

find an instance of an ecological “mess” that has taken place in your city/county/region. Outline the history of the problem – what caused it? What is being done to resolve the problem? Suppose that you had been in charge of the situation. What might

asked by sharday on December 10, 2012
50. ## Algebra

Write the equation of the line passing through (1, 5) and (7, 5). when I work it out I get y=x+1/5 would that be right? no first you have to find the slope, notice it is zero, so you have a horizontal line horizontal lines have form y = b, where b is a

asked by jessica on May 14, 2007
51. ## Physics

The coordinate of a boy running across a parking lot as a function of time is gives as :x0†3=3t*2 7.2t 28 and y0†3=0.28t*2 - 9.1t 30...express the boys position vector r0†3 and velocity v0†3 in unit vector rotation and find the magnitude

asked by Kay on January 9, 2016

an engineer designs a satellite dish with a parabolic cross section. The dish is 15 ft wide at the opening and the focus is placed 4 ft from the vertex. find an equation of the parabola. I know how to work this problem, but how do I know that I use the

asked by Desperate!!!! on November 15, 2011
53. ## Lincoln College Of New En

26 Gasoline Mileage for Autos and Trucks – Of the top 10 cars and trucks based on gas mileage, 4 are Hondas, 3 are Toyotas, and 3 are Volkswagens. Choose one at random. Find the probability that it is Japanese, Japanses or German or not foreigh.

asked by Paula on April 6, 2013
54. ## Chemistry

NH4NO3 (aq) + (heat) --> 2 H20 (l) + N2 (g) Calculate the mass in grams of ammonium nitrate that must be used to produce 1.50 L of nitrogen gas collected over water at 30°C and 748 torr. At 30°C, PH20 = 31.8 mmHg. Find the moles of nitrogen gas.

asked by Anonymous on October 24, 2011
55. ## physics

A 3 kg block is released from rest at the top of a 20 m long frictionless ramp that is 5 m high. Find the values for the block just before it reaches ground level. (a) gravitational potential energy ----J (b) kinetic energy ----J (c) speed -----m/s (d)

asked by Sue on November 2, 2016

an engineer designs a satellite dish with a parabolic cross section. The dish is 15 ft wide at the opening and the focus is placed 4 ft from the vertex. find an equation of the parabola. I know how to work this problem, but how do I know that I use the

asked by BOB on November 15, 2011
57. ## geography year 8

Please could someone help me. In Geography I am learning about the River Tees. I have found most of the information i need but i am struggling to find good diagrams and pictures that show the processes of the River Tees , how the land changes on it`s

asked by its my birthday today! on February 21, 2009

A wire of length 380 cm is cut into 10 pieces.Each piece is then bent to form a square.The dimensions of the first three smallest squares are shown below.Find the value of x and hence,the area of the eighth largest square. x cm[ ] (x+1)cm [ ] x cm (x+1)cm

asked by mandy on January 18, 2015
59. ## HELP PHYSICS!

Four charges with equal magnitudes of 7.81 × 10-12 C are placed at the corners of a rectangle. The lengths of the sides of the rectangles are 2.52 cm and 4.02 cm. Find the magnitude of the electric field at the center of the rectangle in Figures a and b.

asked by Sarah on March 20, 2013
60. ## Chemistry

I have a question for chem 1LD webworks number 4. it asks to repeat the previous question steps and find the delta H for the high spin and low spin for Fe(ox)3 3- but calculate with B3LYP, 6-31G* instead of a semi-empirical

asked by Billy on July 17, 2012

The price of a home is $185,000. A down payment of 10% is required with 2 points at the time of closing. The home is financed over a 25 year period with a fixed rate of 4.5%. Find the monthly payment and total interest paid? asked by Stacey on March 5, 2013 62. ## anatomy Ineed to get better organized for college and family. I am only taking 7 credit hours but i find my self staying up late to study. I'm taking anatomy and psysiology along with math 098. Please give me advice on creating a study schedule. Thank you asked by #####rena on January 18, 2013 63. ## PHYSICS II When two identical ions are separated by a distance of 4.0×10^−10 , the electrostatic force each exerts on the other is 5.7×10^−9 . How many electrons are missing from each ion? what i did was used coulombs law to find the value of q1 and q2 , so asked by Cassie on January 17, 2011 64. ## Math the principle B is borrowed at a simple interest rate r for a period of time t. Find the simple interest owed for the use of the money,. Assume there are 360 days in a year and round to the nearest cent. P=$4000, r=6.0%and t=6 month

asked by Theresa on July 16, 2011
65. ## Math

Mike drove to a friends house at a rate of 40 mph he returned by the same route at 45 mph The driving time round trip was 4 hours. write and solve an equation to find the distance Mike traveled

asked by Molly on August 13, 2013
66. ## physics

an elevator and its load have a total mass of 1000 kg. find the tension in the supporting cable if the elevator originally moving downward at 10m/s is brought to rest with a constant acceleration after moving a distance of 50m?

asked by acceleration on August 14, 2015

Find the amount of periodic payment necessary for the deposit to a sinking fund. (Round your answer to the nearest cent.) Amount Needed A $50,000 Frequency n semiannually Rate r 11% Time t 15 years Thank you for your time, it is appreciated. asked by Mary Ann on May 18, 2014 68. ## Calculus (Help) Also I would like to know how to set this problem up in finding the answer: Find the second derivative. y= sqrt(3x+4) Thanks, P.S. I tried taking 3x+4 and squaring it to the 1/2. I thought that might've been the same, then I took the derivative of that and asked by Confused on February 21, 2007 69. ## statistics A naturalist leads whale watch trips every morning in March. The number of whales seen has a Poisson distribution with a mean of 2.1 Find the probability that on a randomly selected​ trip, the number of whales seen is 3. Round to four decimal places. asked by anonymous on October 18, 2016 70. ## Physiology Midterm exam 1- List at least 5 most striking morphological and functional characteristics of nerves tissue make it different from other tissues? 2- Point out the advantages and disadvantages of chemical synapses as compared to electrical ones. Where in the human body asked by Physiology on April 22, 2013 71. ## Precalculus Find an equation of the circular orbit of a satellite 500 miles above the surface of earth. Place the origin of the rectangular coordinate system at the center of Earth and assume that the radius of Eatch is 4000 miles. asked by Anonymous on March 29, 2015 72. ## algebra For the following question, please reference the graphic at: screenshotsfirefoxcom/cjbaIYetsJhJJimy/ds055uzetaobbcloudfrontnet Pictured is the graph of the equation 4xÃ‚Â²=y(1-y)(2-y)Ã‚Â² rotated around the y-axis. Find the volume of the egg. asked by unowen on February 17, 2018 73. ## calculus an object is fired upward at the end of the burn it has an upward velocity of 245m/s and is 14.7 m high a) find the maximum height and when it is attained b) when it reaches the ground i know that i have to use the quadratic function s= -4.9t²+Vot+h but asked by steve Alexander on October 24, 2008 74. ## college algebra 1. for the given slope-inntercept equation of the line with the following properties parallel to the line y=7; containing the (-3,5) 2. write the equation of the circle in standard form. find the center, radius, intercepts. x^2+y^2+16x-18y+145=25 please asked by confused-steve please on December 3, 2012 75. ## Math A container needs to package hazardous chemicals in a special plastic rectangular prism that holds 80 cubic feet. Find the whole number dimensions of the container that would use the least amount of plastic. My answer is 5ft, 2ft, and 4ft asked by Americal on February 21, 2014 76. ## Physics what does it mean to have a constant acceleration does that mean that a= 0 or a=x? I particularly need help with::::>> Suppose the pilot, starting again from rest, opens the throttle only partway. At a constant acceleration, the airboat then covers a asked by Brit on October 24, 2009 77. ## Phy A non conducting sphere of radius r charged uniformly with surface charge density sigma rotates with angular velocity omega about the axis passing through its centre. Find the magnetic induction at the centre of sphere. asked by Atharva Mandlik on June 22, 2017 78. ## physics A horizontal board weighing 227.0 N is supported at points A and B in the figure below. The plank serves as a platform for a painter, who weighs 553.0 N. Find the maximum distance D, such that the plank will not tip, no matter where the painter stands. asked by Michael on April 26, 2010 79. ## math The price of a home is$120,000. The bank requires a 10% down payment and two points of closing. The cost of the home is financed with 30-year fixed-rate mortgage at 8.5%. Find the total cost of interest over 30 years.

asked by anthony on December 2, 2009
80. ## Maths

The top of a building 24cm high is observed from the top and from the bottom of a vertical tree. The angles of elevation are found to be 45degree and 60degree respectively . Find the height of the tree. ( leave your answer in surd form)

asked by Faith on January 1, 2016
81. ## physics

An oceanic depth-sounding vessel surveys the ocean bottom with ultrasound waves that travel at 1530 m/s in seawater. The time delay of an echo to the ocean floor below is 3 seconds. Find the depth of the water.

asked by LL on June 24, 2012
82. ## AP English Comp

Same type of ?- Using - Notes of a Native Son by Baldwin 3. Baldwin uses many different writing techniques in the essay. Find instances of concrete description, action, reflection, and strong argumentative assertions. How do these techniques further his

asked by Jane on October 26, 2008
83. ## Physics

A sailboat is moving across the water at 3.0 m/s. A gust of wind fills its sails and it accelerates at a constant 2.0 m/s2. At the same instant, a motorboat at rest starts its engines and accelerates at 4.0 m/s2. After 3.0 seconds have elapsed, find the

asked by Mariam on October 12, 2017
84. ## Calculus

Find the volume of a pyramid with height h and rectangular base with dimensions b and 2b. Essentially, I'm trying to derive the volume of a pyramid using integrals and a graph and revolving the plane about an axis. I hope that's kind of clear and you guys

asked by Anonymous on February 4, 2012
85. ## algerbra

1. use a commutative law to find an equivlant expression f+sr? sr+f? 2. determine which real number corresponds to the situation. The record high tempature for a date is 97.8 above zero. The cooresponding number for this sentence is 97.8? 3.Translate to an

asked by Nashea on November 8, 2009
86. ## English

Hy everyone! I really need some help! I should compare Jane Austen's Sanditon with two other Austen novel: Lady Susan , and Emma. Can somebody give me some tips, how to do this? or can somebody find me some infos about the books? I should compare such

asked by Lulu on October 22, 2009
87. ## Math

Use the fundamental counting principle to find the total number of outcomes in each situation. 1.Rolling two number cubes and tossing one coin. = Is the outcome = 4? 2.Choosing from 3 sizes of distilled,filtered, or spring water. = Is the outcome 9? Thanks

88. ## geometry

The limestone blocks from which an ancient pyramid was made weigh about 2 tons per cubic yard. Find the approximate weight of the pyramid having a square base of length 250 yards and a height of 150 yards.

asked by Kristen on April 21, 2009
89. ## Physics

A youngster shoots a bottle cap up a 15.0° inclined board at 1.92 m/s. The cap slides in a straight line, slowing to 0.95 m/s after traveling some distance. If the coefficient of kinetic friction is 0.35, find that distance. Can someone please show me the

asked by Lindsay on December 4, 2007
90. ## Math-Algebra 1

I have 2 questions. one is a rectangle that has an area of 34 square meters, the width is (x+4)m and the length is (x+11)m. The other problem is a triangle that has an area of 119 square ft. The legs are (x+3) ft and (x+6) ft. It has a right angle opposite

asked by Aaron on February 24, 2014
91. ## Engineering science

a roller of diameter 1.5 m has a mass of 450 kg; it is pulled by a handle attached to its centre. Find the minimum force to pull up a step which is 250 mm high if the roller handle makes an angle of 30o with the horizontal

asked by David on November 9, 2014
92. ## Mathematics

Dear Jiskha, I will appreciate if you can show me step by step how this geometry math question is solved. Using the Pythagorean Theorem,how do i find the length the unknown side 'b'. Side 'a' has a measurement of 1...the hypotenuse: a square root of 2.

asked by Ryan on August 19, 2008
93. ## physics

The potential energy of a particle on the x-axis is given by U+ 8xe ^-xsquared/19 where x is 1 meter and U is in Joules. Please find the point on the x-axis for which the potential is a maximum or minimum. I've worked it three times and I get these three

asked by Ashley on November 23, 2009
94. ## Chem-HELP

Can you please help me with these questions. I tried looking up information online and in my textbook but I could not find sufficient information to help me. 1. What is an aliquot of a sample? 2. What is the filtrate in a gravity procedure? 3. How full

asked by Zef on September 9, 2015
95. ## physics

Two hockey players strike a puck of mass 0.159 kg with their sticks simultaneously, exerting forces of 1.30 103 N, directed west, and 9.90 102 N, directed 30.0° east of north. Find the instantaneous acceleration of the puck.

asked by pete on February 13, 2014
96. ## Thermodynamics

A 196-g aluminum calorimeter contains 530 g of water at 19.8° C. Aluminum shot with a mass equal to 273 g is heated to 100.0° C and is then placed in the calorimeter. Find the final temperature of the system, assuming that there is no heat transfer to

asked by Nick on February 1, 2015
97. ## Science Struggle

Rocket-powered sleds are been used to test the responses of humans to acceleration. Starting from rest, one sled can reach a speed of 533 m/s in 2.45 s and can be brought to a stop again in 2.37 s. Find the acceleration of the sled when braking. Answer in

asked by Bri on September 13, 2012
98. ## Calculus

Find the area of the region bounded by the curves y = x^(-1/2), y = x^(–2), y = 1, and y = 3. a) (1/2)(3)^1/2 + (4/3) b) 2*(3)^1/2 - (8/3) c) (1/2)(3)^1/2 - (32/3) d) 2*(3)^1/2 - (32/3) e) (8/3) - 2*(3)^1/2 So one thing that is throwing me off on this

asked by Emily on May 24, 2016
99. ## Math

My 7th grade daughter has the following math problem and gets zero help from her "language arts" teacher who gave out this problem: WANT X BE ________ CAREER Each letter in this question stands for a 1-digit #. No 2 letters may stand for the same #. Find

asked by KP on March 8, 2011
100. ## math

I need help with these two math problems. i have been trying those for two hours. Can't find the answer. use grouping symbols to make each equation true. 1/2*2^3/2*4/8*4/2=1/2 64-5*1+4/8+5=3 *= multiplication is there any qucik way or any trick to solve

asked by R on September 7, 2008