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

93,362 questions, page 634
1. math

A rectangular piece of sheet metal is 4 ft longer than it is wide. The area of the piece of sheet metal is 45 ft2. Find its length and width.

asked by anonymous on September 26, 2018
2. Geometry(Very Urgent!!!)

Triangle NQP is an equilateral triangle with the measure of angle N=5x-2y and the measure of angle P=x+2y. Find the values of x and y. Show all work to receive credit.

asked by Abbey on November 5, 2008
3. math

if a rectnagular prism has a height of h, the, width of the prism is six less than h and the length of the prism is one fourth of the length, find an equation for the volume of the rectangular prism in therms of h

asked by joe on December 22, 2010
4. Algebra I

The expression 2(l+w) may be used to find the perimeter of a rectangle. What are the length and width of a rectangle if the area is 13 1/2 square units and the length of one side is 1/5 the measure of the perimeter?

asked by Dev on August 29, 2010
5. math

i don't understand what a horizontal or vertical stretching is of a graph. y=x^3 Find graph horizontally stretched by a factor of 4 and vertically stretched by a factor of 4

asked by jan on October 2, 2008
6. algebra

A rectangle room measures 14 feet by 12 feet.find the cost of installing a strip of wallpaper around the room if the wallpaper costs \$0.90 per foot

asked by Mesh a on November 5, 2013
7. algebre

a flower bed is the shape of a triangle with one side twice the length of the shortest side and the third side is 30 ft more than the shortest side. find the dimentions if the perimeter is 102 ft.

asked by tina on February 13, 2011
8. math algebra

the area of a rectangular garden is 120 square meters. the width is 3 meters longer than 1/3 of the length. find the legth and the width of the garden.

asked by Anonymous on February 19, 2011
9. physics - electric field

a point particle with charge q= 4/5 uC is placed on the x-axis at x=-10cm. A second particle of charge Q is now placed on the x-axis at x = 25cm, and its found that the electric field at the origin is zero. Find Q.

asked by J Velji on January 17, 2011
10. Physics

An arrow is shot at an angle such that it's horizontal velocity is 40 m/s and it's vertical velocity is 20 m/s. Find the horizontal distance the arrow will travel before hitting the ground

asked by Erika on November 14, 2012
11. 4th Grade Math: Help Is Needed ASAP

My son is in the fourth grade and is needing help with these math problems. Can someone please help him with these problems. 1. 2/3+2/9= 2. 3/5+3/10= 3. 5/12+1/3= 4. Find the sum of 1/6 and 1/12 5. Add 1/4 to the answer in Exercise 4. 6. What is the sum of

asked by Tim on November 18, 2013
12. physics

Use the data of this table to find the point between Earth and the Sun at which an object can be placed so that the net gravitational force exerted by Earth and Sun on this object is zero.

asked by monic on November 14, 2012
13. Math

Find the equilibrium price and quantity for the supply and demand equations. d(p)=11,400−8p s(p)=2p The equilibrium price is at \$ ___________ and at a quantity of_____ units.

asked by Keonn'a on October 19, 2018
14. algebra

At a grocery store, the number of customers arriving per hour is shown by the function f(x) = -x^+ 2x + 2. Find the number of customers that arrived in the 6th hour.

asked by samira on May 2, 2014
15. Physics

The relative density of a solid is 6.5. Find (1)the mass of a solid substance cube of side 20cm. (2) the volume of the substance if the mass is 1.3kg

asked by Oluchi on August 14, 2015
16. chemistry

Use the following information to find Hf of butanol [C4H9OH(l)]. C4H9OH(l) + 6 O2(g) 4 CO2(g) + 5 H2O(g) Hcomb = -2712.9 Hf of CO2(g) = -393.5 kJ/mol Hf of H2O(g) = -241.8 kJ/mo

asked by mara on October 23, 2015
17. math

The iength of a rectangle is 3 inches greater than its width and its area is 88 square inches.An equation that may be used to find the width w of the rectangle is a. 3w^2=88 b. w^2/3=88 c. w^2+3w-88=0 d. w^2-3w=88 e. w=29.3 please answer and explain

asked by thomas on May 2, 2014
18. Math

There's a right triangle. There's an angle that measures 41 degrees. The hypotenuse is x, and the angle opposite 41 degrees measures 25 in length. How can I find what x is? The proportion set up is 25/x, but how do you solve for x?

asked by Angie on May 11, 2009
19. science

Describe what happened to Mt. St. Helen on May 11, 1990 Please use your favorite search engine and search for Mount St. Helen. I'm sure you'll find many sites that describe this event.

asked by nikki on November 20, 2006
20. Calculus

Find parametric equations for the tangent line to the curve with the given parametric equations at the specified point. x=4cos(t) y=4sin(t) z= 10cos(2t) (2sqrt2,2sqrt2,0)

asked by Mike on April 20, 2010
21. calculus

Consider the region of the x-y plane between the line y=7, the curve y=3sinx+4, and for -pi/2 is less than or equal to x which is less than or equal to pi/2. Find the volume of the solid generated by revolving this region about the line .

asked by Sam on January 15, 2011
22. physics

three point charges are placed at the following points on the x-axis: +2µC at x=0, -3µC at x=40 cm, -5µC at x=120 cm. Find the force (a) on the -3µC charge (b)on the -5µC charge.

asked by Joanna Luz on January 24, 2011
23. Statistics

Suppose you have a sample of 6 observations from a normal population. The sample variance is equal to 4. Find a 90% lower confidence interval for the variance of the population.

asked by Chase on July 11, 2015
24. English

Where can I find examples of the sentence pattern Pronoun-verb-article-noun, conjunction-pronoun-verb-adverb on the internet? I need 5 examples. Thank You.

asked by Jacob on January 19, 2011
25. physics

A spring and mass system are oscillating with an amplitude of 8.4 cm. The spring constant is 204 N/m and the mass is 540 g. Find the mechanical energy of the system to 2 sf.

asked by jake on June 15, 2014
26. chemistry

132gram o2 is required for a combustion of 28 liter mixture of ethane and ethene (at NTP) than find out mole fraction of ethane and ethene in the mixture?

asked by rekha on August 12, 2015
27. Child Growth & Development

What is an example of a syntax (middle childhood related)? What is an example of a progmatic(middle childhood related) I tryed searching but didn't find anything. Any help would be greatly appreciated. Thank You~~~

asked by Michele on April 8, 2009
28. PHYSICS

a motorcycle is driven 50 km west then 30 km south and 25 km 30 degree west of south show the vector diagram find the total displacement of motorcycle

asked by Dulce on July 6, 2014
29. Physics

A 20.0 g marble sliding to the right at 58.8 cm/s overtakes and collides elastically with a 10.0 g marble moving in the same direction at 14.7 cm/s. After the collision, the 10.0 g marble moves to the right at 73.5 cm/s. Find the velocity of the 20.0 g

asked by Kate on February 17, 2011
30. Physics

A 26.2 g marble sliding to the right at 62.0 cm/s overtakes and collides elastically with a 13.1 g marble moving in the same direction at 15.5 cm/s. After the collision, the 13.1 g marble moves to the right at 77.5 cm/s. Find the velocity of the 26.2 g

asked by D on January 8, 2014
31. math

if the selling price of 16 water bottels is equal to the cost price of 17 water bottels ,find the gain per cent earned by the dealer.

asked by ekta on February 17, 2014
32. physics - electric field

a point particle with charge q= 4/5 uC is placed on the x-axis at x=-10cm. A second particle of charge Q is now placed on the x-axis at x = 25cm, and its found that the electric field at the origin is zero. Find Q.

asked by J Velji on January 17, 2011
33. math

triangle ABC is isoceles with segment AB congruent tp segment AC. Angle A is 50. The bisectors of angle B and angle C meet at D. Find the measure of angle BDC

asked by julian on December 10, 2012
34. Physics

a uniform magnetic field equal to 4 T is in the +Z direction. find the force exrted by the field on a proton if the velocity of the proton is 7km/s in the i direction

asked by Hizkel on January 25, 2018
35. Math

Find the equilibrium price and quantity for the supply and demand equations. d(p)=11,400−8p s(p)=2p The equilibrium price is at \$ ___________ and at a quantity of_____ units. 0 25 0 0

asked by Keonn'a on October 19, 2018
36. Stat BHS 201

find the z- score location of a vertical line that spearates a normal distribution as described in each of the following. a. 20% in the tail on the left b 40% in the tail on the right c 75% in the body on the left d. 99% in the body on the right

asked by jackie on October 20, 2010
37. Algebra Assignment

An apple pie uses 4 cups of apples and 3 cups of flour. An apple cobbler uses 2 cups of apples and 3 cups of flour. You have 16 cups of apples and 15 cups of flour. When you sell these at the Farmer’s Market you make \$3.00 profit per apple pie and \$2.00

asked by Sam on December 11, 2017
38. Economics (attempted as suggested by economyst)

Posted by eStone on Sunday, March 29, 2009 at 5:47pm. Suppose that a firm is currently employing 30 workers, the only variable input, at a wage rate of \$60. The average product of labor is 30, the last worker added 12 units to total output, and total fixed

asked by eStone on March 30, 2009
39. English

Can you please check if the following sentences are possible? I did some of the corrections myself. 1.He hoped to find Kurtz dead on his arrival at the inner station. He hoped that Marlow would find Kurtz dead by the time he got there. 2.The manager wanted

asked by Franco on October 3, 2010
40. calculus

A landscape architect wished to enclose a rectangular garden on one side by a brick wall costing \$30/ft and on the other three sides by a metal fence costing \$10/ft. If the area of the garden is 42 square feet, find the dimensions of the garden that

asked by al on November 4, 2007
41. calculus

A group of engineers is building a parabolic satellite dish whose shape will be formed by rotating the curve y=ax^2 about the y-axis. If the dish is to have a 6-foot diameter and a maximum depth of 2 feet, ﬁnd the value of a and the surface area (in

asked by Sam on March 7, 2017
42. quantum physics

After a .800-nm x-ray photon scatters from a free electron, the electron recoils with a speed equal to 1.20 x 10^6 m/s. (a) What was the Compton Shift in the photon's wavelength? (b) Through what angle was the photon scattered? I got an answer for (a), but

asked by Mischa on May 7, 2008
43. science

two parallel plates are separated by a dielectric of thickness 2mm and a dielectric of constant 6.if the area of each plate is 40cm2 and p.d between them is 1.5kv,find the capacitance,the energy stored by the capacitor and the ratio of the capacitance if

asked by benjamin on October 10, 2014
44. Integrated science

An insect inside a bus flies from the back toward the front of the bus at 3m/h. The bus is moving in a stright line at 40m/h. What is the speed of the insect? Show you work. I was woundering if someone could help me find the math for this problem? But I

asked by John on September 23, 2007
45. Geometry

Two similar pyramids have lateral areas f 20 square feet and 45 sqaure feet. The vloume of the smaller pyramid is 8 cubic feet. Find the volume of the larger pyramid. 33ft^3 27ft^3 18ft^3 12ft^3 Can some explain how to solve this.

asked by June (needs help solving) on May 16, 2018
46. Physics

A car is driving at a speed of 66.0 km/h toward an intersection just as the light changes from green to yellow. The driver has a reaction time of 0.750 s and the magnitude of the braking acceleration of the car is 5.50 m/s2.Find the minimum distance the

asked by Alison Zook on September 13, 2016
47. algebra

find the equation of a line with slope 4/5 and y-intercept (0,-7) Do I still use the formula y=mx+b? Yes. Let me know what you come up with and I'll let you know if you are correct. So far I came up with y+7 = 4/5(x-0) Now I am stuck... OK, you could do it

asked by dee on January 23, 2007
48. Physics

On a frozen pond, a 11.7 kg sled is given a kick that imparts to it an initial speed of v0 = 2.01 m/s. The coefficient of kinetic friction between sled and ice is μk = 0.111. Use the work kinetic energy theorem to find the distance the sled moves before

asked by Anonymous on March 16, 2016
49. Pre Cal.

1. Use half-angle identity to find the exact value of cos165. MY ANSWER: (-1/2)sqrt(2+sqrt(3)) 2. Solve 2 sin x + sqrt(3) < 0 for 0

asked by Danny on June 16, 2009
50. math

Home health signed a 90,000 note at 11 1/2% simple interest for 180 days for electronic equipment, on October 1. On February 18, the note was sold to another firm at a discount rate of 12 1/2%. Find a) the discount period, b) the discount, and c) the

asked by Jan on June 7, 2013
51. College Algebra

You have 100yds. of fencing to enclose a rectangular area. Find the dimensions which maximize the area. What is the maximum area? I know that A=L times W. I know that 100 = 2L+2w Subtract 2L from both sides: 100-2L=2W Divide by two: 50-L=W Substitute in

asked by Brooklyn on March 15, 2011
52. Physics

I came here earlier with this question: "A force of 20 N acts toward the west. Another force acts at the same point so that the resultant of the two forces is zero. What is the magnitude and direction of the second force?" I was wondering if someone could

asked by Shelby on March 5, 2013
53. Physics

We have a heat engine that produces 150 J of heat, does 40 J of work, and emits 110 J into another system. What is the efficiency of the heat engine? Please don't give me the answer! Just help figure out how to find it! The description for the lesson with

asked by Leila on December 5, 2016
54. physics

An airplane whose speed is 150km/hr climbs from a runway at an angle of 20° above the horizontal. What is its altitude two minutes after takeoff? How many kilometers does it travel in a horizontal direction during this two minute period? Find the altitude

asked by Emily on October 11, 2014
55. Geometry/Trigonometry

Circles with centers (2,1) and (8,9) have radii 1 and 9, respectively. The equation of a common external tangent to the circles can be written in the form y=mx+b with m < 0. What is b? I drew the diagram and the tangents but to no avail. I cannot seem to

asked by Sam on December 4, 2013
56. physics

On a frozen pond, a 13.2 kg sled is given a kick that imparts to it an initial speed of v0 = 2.48 m/s. The coefficient of kinetic friction between sled and ice is μk = 0.123. Use the work kinetic energy theorem to find the distance the sled moves before

asked by Joe on February 18, 2012
57. PHYSICS

Max is throwing a 57g tennis ball upward and hitting it (with a racket) when it reaches the top of its flight. If the racket exerts an average force of 440N on the ball, find the speed of the ball after the collision (if they are in contact for 4.5ms)

asked by R on April 5, 2013
58. Chemistry - Quantitative analysis

A mixture weighing 7.290 mg contained only cyclohexane, C6H12 (FM 84.159), and oxirane, C2H4O (FM 44.053). When the mixture was analyzed by combustion analysis, 21.999 mg of CO2 (FM 44.010) were produced. Find the weight percent of oxirane in the mixture.

asked by RJ on January 16, 2012
59. Computer science(Information Retrieval Architectur

a. Describe how the statement that “language is the largest inhibitor to good communications” applies to Information Retrieval Systems. b. Relate this to the challenges in information retrieval that make it difficult to find the information a user is

asked by Nany on April 27, 2015
60. Math geometry

1) The base angles of an isosceles triangle are (50-x)^6 and (30x-12)^6 what is the vertex angle? 2) The area of a trapezoid is 52cm^2 if it's bases are 8 cm apart find the sum of their heights 3) What is the area of a circle inscribed inside an

asked by K on February 27, 2017
61. maths

the mid-point of the line FG is (6,10). if the coordinates of G is (8,14) find the coordinates of F. There are a number of ways to solve this but I think the simplest is to use the definiton of midpoint. We know mdpt(FG) = 1/2(F+G) where FG is the segement

asked by Jen on September 7, 2006
62. physics

A sled of mass m is given a kick on a frozen pond. The kick imparts to it an initial speed of 2.80 m/s. The coefficient of kinetic friction between sled and ice is 0.150. Use energy considerations to find the distance the sled moves before it stops.

asked by Emily Tran on November 18, 2012
63. calculus

a closed rectangular box whose base is twice as long as it is wide has a volume of 36000 cm^3.the material for the top cost 10 centavo per sq cm,that for the sides and bottom cost 5 centavos per sq cm.find the dimensions that will make the cost of making

asked by emil on January 31, 2016
64. physics

On a frozen pond, a 13.9 kg sled is given a kick that imparts to it an initial speed of v0 = 1.81 m/s. The coefficient of kinetic friction between sled and ice is μk = 0.122. Use the work kinetic energy theorem to find the distance the sled moves before

asked by taylor on October 6, 2016
65. Chemistry

How do you find rate of production of Cl? If you are given the inital rate to be 3.54e-5 and given measured data of .052[HgCl2] and .300[C204]? The equation is 2HgCl2(aq)+ C204(aq) goes to 2Cl+ 2Co2(g)+ Hg2Cl2(s). I thought that you may take the initial

asked by Eliz on February 23, 2009
66. Algebra 2

An object is dropped from a small plane. As the object falls, its distance, d, above the ground after t seconds, is given by the formula d = –16t2 + 1,000. Which inequality can be used to find the interval of time taken by the object to reach the height

asked by Austin on July 10, 2015
67. Calc

How do I do this related rates problem? A plane flying horizontally at an altitude of 1 mi and a speed of 510 mi/h passes directly over a radar station. Find the rate at which the distance from the plane to the station is increasing when it is 6 mi away

asked by Derick on November 10, 2009
68. math

An architect is designing an office building with n floors that will have an FM radio antenna 15.85m tall on its roof. Each floor of the building will be 3.9m high. Which equation can be used to find the total height, h, of the building in meters,

asked by Harry on April 9, 2015
69. computer

suppose the 640GB western digital hard drive install in the RAID array has failed, find a replacement drive as close to this drive as possible. print three web pages showing the size, features and price of three possible replacement

asked by Anonymous on October 15, 2011
70. physics

A display sign is supported by a guy making an angle of 37o with the horizontal and by a bracket at the upper end near the vertical wall. The sign weighs 150N. Find A. The tension in wire B. The force exerted by the bracket on the sign.

asked by Chansa on May 10, 2016
71. ALGEBRA 1!!!

While traveling in Egypt, Judah carefully peeked into his wallet and found that he had \$80 in \$10 and \$5 bills. If there were 4 fewer \$10 bills thn \$5 bills, how many of each did Judah have? I tried this problem over and over and it just isnt clicking in

asked by HELP ME PLS!!!! IT'S TOO CONFUSING!!!! on April 10, 2018
72. Chemistry

Find the pH and volume (mL) of 0.447 M HNO3 needed to reach the equivalence point(s) in titrations of each of the following. (a) 2.65 L of 0.0950 M pyridine (C5H5N) pH volume Answer = 563 mL (b) 0.188 L of 0.250 M NH3 pH volume Answer = 105 mL I can't

asked by Franklin on March 7, 2013
73. Biology

I did a lab biology project on seed germination and the results weren't as expected. pH 5 worked better than pH 6 or 7 which seemed weird because surely it would be too acidic. I've been trying to find an explanation as to why I got these results and I

asked by Anonymous on January 11, 2009
74. Calculus

Someone had helped me yesterday, but I need it broken down more because I honestly don't understand any of this? A plane flying horizontally at an altitude of 2 mi and a speed of 420 mi/h passes directly over a radar station. Find the rate at which the

asked by Callie on October 14, 2015
75. trigonometry

A truck with 48-in.-diameter wheels is traveling at 55 mi/h. Find the angular speed of the wheels in rad/min, *hint convert miles to inches & hours to minutes: __rad/min How many revolutions per minute do the wheels make?__ rpm

asked by marie darling on March 15, 2013
76. biology

A toxin from a poisonous mushroom has been identified as a hydrophobic weak acid. It somehow can find its way to the inner membrane of mitochondria where it gets protonated on the outer surface of the membrane but deprotonated on the inner surface of the

asked by pete on April 30, 2015
77. differential equation

a four -pound weight stretches a spring 8 inches from its natural lenght . the weight is pulled downward an additional 6 inches and released with an initial upward velocity of 8 feet per second . find a formula for the position of the weight as a function

asked by Anonymous on April 6, 2010
78. Science, gr9

Hi, I have to write an opinionated article on the safety problems in space. I have to wrtie the issues that occur during a lift-off which are ignored I have been unable to find a website that tells me issues that occur but are ignored or thought that

asked by Fresh on April 8, 2010
79. Maths

A gift box is made from a rectangular piece of cardboard that is three times as long as it is wide. 5 cm squares are cut from each corner and the ends are then folded up to make the box. If the box's volume is 4340 cm^3, find the length and width of the

asked by Carly on September 28, 2017
80. religion

Find two Web sites dealing with indigenous cultures or religions. Discuss how modern civilization has affected the spiritual lives of the indigenous peoples you explored. Are indigenous religions still practiced today? If so, how have the practices changed

asked by lucy on June 9, 2010
81. Chemistry

The data below was collected while performing a titration of acetic acid (in vinegar) to determine its concentration using sodium hydroxide. 150 ml of vinegar with unknown molarity 45.5 ml of .5 M NaOH was added to reach equivalence point Find the molarity

asked by Anonymous on May 16, 2016
82. optimization calculus

sandy is making a closed rectangular jewwellery box with a square base from two different woods . the wood for top and bottom costs \$20/m^2. the wood for the side costs \$30/m^2 . find dimensions that minimize cost of wood for a volume 4000cm^3?

asked by Anonymous on March 10, 2011
83. Physics

Help, I know the answer is 4.8 X 10^-19, but I can not figure out how to do it or what formula to use. The question is "A charge moves a distance of 1.7 cm in the direction of a uniform electric field whose magnitude is 220 N/C. As the charge moves, its

asked by Lisa on May 22, 2012
84. Biology

I did a lab biology project on seed germination and the results weren't as expected. pH 5 worked better than pH 6 or 7 which seemed weird because surely it would be too acidic. I've been trying to find an explanation as to why I got these results and I

asked by Anonymous on January 11, 2009
85. calculus help please

dy/dx = 2y^2 Integrating...y=2/3 y^3 + C put 1,-1 into the equation, and solve for C. Then find the y for x=2 if y= a^uhttp://math2.org/math/integrals/tableof.htm see exponential functions. dy/dx=2y^2 and if y=-1 when x=1, then when x=2, y=? how do i get x

asked by bobpursley on December 10, 2006
86. Physics

48.0 g of oxygen (O2 is diatomic) are confined in a rigid 1.00x10^3 L cubical container at temperature 300.0 K. Find the gas pressure and the force exerted by the oxygen gas on any of the six faces of the cube. Mass number of an oxygen atom is 16.0

asked by Lashawn on April 24, 2013
87. aig math (Ms.Sue)

At the pet store ruth bought 5 rawhide bones and 3 dog collars.She gave the cashier 90\$ and received \$6 in chage.If a dog collar costs 3 times as much as a bone find the cost of one dog collar. My answer is 63 am i right if not please show me why and how.

asked by lidia on September 10, 2012
88. Honors Chemistry

If 72.4 kJ of heat is supplied to a 752 g block of metal, the temperature of the metal increases by 9.95°C. Calculate the specific heat capacity of the metal in J/g·°C. I cannot find the information in my textbook, and I don't understand the equation

asked by Elisheva on July 21, 2014
89. physics-series and parellel circuits

I'll try to explain the schmatic drawing... a 120V battery, total of 12A, leads into a 8ohm resistor (R1), then breaks off into two parallel lines, R2 and R3. the resistance is unknown in R2, and in R3 the resistance is 3 ohms. I need to find the Amperage

asked by Dav e on May 20, 2012
90. Math

Randy throw a base ball straight upwards, releasing it 6 ft above the round, and giving it an initial speed of v = 128 ft/sec. Use the formula h = -16t^2 + vt + 6 ft( where t = time , h = height ) to find the maximum height of the ball to reach this

asked by Tom on March 15, 2013
91. Algebra

A large grain silo is to be constructed in the shape of a circular cylinder with a hemisphere attached to the top (see the figure). The diameter of the silo is to be 30 feet, but the height is yet to be determined. Find the height h of the silo that will

asked by Ashton on September 12, 2014
92. physics

An airplane of mass 1.5x10^4kg is moving at 60m/s. The pilot then revs up the engine so that the forward thrust of the propeller becomes 7.5x10^4 N, find the speed of airplane after it has traveled 500m. Assume that the airplane is in level flight through

asked by Anonymous on October 28, 2007
93. Physics

A 2.0kg siverware drawer become stuck, so the owner graually pulls with more and more force. When the applied force reaches 8.0N the drawer suddenly opens, throwing the utensils to the floor. Find the Coefficient fo static friction between the drawer and

asked by Eddie on September 25, 2007
94. physics

A display sign is supported by a guy making an angle of 37o with the horizontal and by a bracket at the upper end near the vertical wall. The sign weighs 150N. Find A. The tension in wire B. The force exerted by the bracket on the sign.

asked by Chansa on May 17, 2016
95. Maths

Q1. A metallic sheet of the rectangular shape with dimensions 50cm x 40cm. From each one of its corner, a square of 5cm is cut off. An open box is made of the remaining sheet. Find the volume of the box and the total surface area of the box.

asked by Freshi on February 1, 2017
96. Calculus-Math

The endpoints of a movable rod of length 1 m have coordinates (x, 0) and (0, y) (see figure). The position of the end on the x-axis is given in the equation below, where t is the time in seconds. x(t) = 1/8 sin(πt/4) (c) Find the speed of the y-axis

asked by Lorine on August 30, 2014
97. Elementary mechanics

A force of 2i+7jN acts on a body of mass 5kg for 10 seconds. The body was initally moving with constant velocity of i-2jm/s.Find the final velocity of the body in m/s, in vector form. (a)5i+12j(b)12i-5j(c)10i-7j(d)7i+10j

asked by jane on July 14, 2013
98. Algebra II

A geyser sends a blast of boiling water high into the air. During the eruption, the height (h) (in feet) of the water (t)seconds after being forced out from the ground could be modeled by h = -16t*t + 70t. My question is how do you find the initial

asked by Adam on March 12, 2008
99. math

Let L be the line with parametric equations x = −8+2t y = 4+3t z = −4 Find the vector equation for a line that passes through the point P=(−2, 1, 3) and intersects L at a point that is distance 2 from the point Q=(−8, 4, −4). Note that there are

asked by Excel on October 25, 2015
100. probability

A random experiment of tossing a die twice is performed. Random variable X on this sample space is defined to be the sum of two numbers turning up on the toss. Find the discrete probability distribution for the random variable X and compute the

asked by padma.c on October 11, 2011