# 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 686
1. ## calculus

(Use the fact that the kinetic energy of a particle of mass "m" moving at a speed "v" is (1/2)m(v^2). Slice object into pieces in such a way that the velocity is approximately constant on each piece.) Q: Find the kinetic energy of a phonograph record of

asked by mike on October 28, 2012
2. ## Physics

On the Round Up at the amusement park, people stand in a cylindical "room" of radius 6.18 m and the room rotates until it reaches a rotational frequency of 0.89 revolutions per second. At this point, the floor drops out. What is the minimum coefficient of

asked by Kyle on May 10, 2016
3. ## World History

I'm currently doing a research project (newspaper/magazine) and I have to write a article on entertainment, sports, and fasion in WWI Germany. Although, I'm having trouble finding these things as it seems there wasn't much entertainment during the war,

asked by Anonymous on May 28, 2009
4. ## Compliments

Hey, Im trying to find lots of compliments. For example, if someone makes a really nice drawing or whatever, and enhances it with their own techniques and stuff, what comments could I give to them? Here is my list: *Very creative work *Like the blend and

asked by Rebecca on February 24, 2011
5. ## Social Studies

How do I find information on the internet about things like what is the sole right to trade in an area. Im doing a crossword and ive already looked in the book. Some other questions are A colony leader. Colonists sent to the americas by judges. What king

asked by Emily on October 8, 2007
6. ## Physics

The work done against a force F(r) in moving an object from r = r1 to r = r2 is integral F(r) dr limits R2 at top and r1 at bottom. The gravitational attraction between two masses m1 and m2 at distance d is given be F=GMM/d2, G = 6.67 x 10-11. Find the

asked by tania on January 12, 2011
7. ## math

a paintball is hot at a wheel that has a radius of 40 cm. it hits the very bottom of the wheel next to the road while the car is stopped at the red light. as the light turns green, the wheel rolls, and so does the paint. if it takes 3 seconds for the wheel

asked by .. on July 25, 2011
8. ## physics

A steel ball has a mass of 3.8 kg and rolls along a smooth, level surface at 56 m/s. (a) Find its kinetic energy. 1 I got 404.32J bu it doset work (b) At first, the ball was at rest on the surface. A constant force acted on it through a distance of 22 m to

asked by Amelia on May 10, 2012
9. ## ELA

In which sentence is the word Profane/profanity used INCORRECTLY? A: They relish PROFANE gossip about their neighbors. B: However excellent its quality, we are offended to find PROFANE art in a temple. C: Then general's widow withheld from biographers

asked by Ayriana on February 7, 2014
10. ## english to ms Sue

in the future, how will thing critically influence the ways that you: read,write, process information. Critical thinking and writing somehow are linked to each other. The most important part is to read and come up with an argument before making any

asked by Rose on April 1, 2008
11. ## Algebra 2

Use the following equation to perform the operations below (do not graph the equation yet): y ={x + 5}{x + 1}\{(x + 3)(x - 2)}{(x - 4)(x + 1)}) - {1}/{x - 2} What graphical feature occurs at {x} = -1? Use the "trace" function, zoom in on the graph, or look

asked by Boy if you don't on August 6, 2015
12. ## physics

i have noo idea how to do this, please hellppppp A 15.6 kg block is dragged over a rough, hor- izontal surface by a constant force of 72.2 N acting at an angle of angle 34.8 above the horizontal. The block is displaced 24.6 m and the coefficient of

asked by ally on February 25, 2011
13. ## math

a paintball is hot at a wheel that has a radius of 40 cm. it hits the very bottom of the wheel next to the road while the car is stopped at the red light. as the light turns green, the wheel rolls, and so does the paint. if it takes 3 seconds for the wheel

asked by ... on July 25, 2011
14. ## Math

Can anybody show me step by step pls? A man invests \$3000 in an account that pays 7.5% interest per year, compounded quarterly. 1. Find the amount after 3 years? (Round your answer to the nearest cent.) how much \$? 2. How long will it take for the

asked by alice on August 10, 2015
15. ## Math/Algebra

Delivery company charges \$10 plus 40¢ per kilometer or part of a kilometer. Find the cost for a trip of: a.5 kilometers b.7.5 kilometers c.3.2 kilometers d.Graph the ordered pairs (kilometers, cost). Is this a function?

asked by Judy Conrad on January 29, 2014
16. ## math

write a five digit number(s) that fits each description. use only the digits that the athletes are wearing. use each digit only once in each answer. The digits on athletes are: 4,1,8,3,6 2. find the number that is one and one thousand greater than 3.1638.

asked by John Dosley on December 11, 2013
17. ## algebra

when a television is advertised as a 27-inch model. the screen is a rectangle with a diagonal of 27 inches. The screen has a height of 15 inches. Find the length, to the nearest hundredth of an inch of the television?

asked by neomi on March 22, 2019
18. ## maths

the distance between two stations is 340 km two trains start simultaneously on parallel tracks to each other . the speed of one of them is greater than that of the other by 5 km/hr. if the distance between the two trains after 2 hrs of their start is 30 km

asked by krishna on July 15, 2013
19. ## physics

A 115-N sign is supported by two ropes. One rope pulls up and to the right 26.5° above the horizontal with a tension T1, and the other rope pulls up and to the left 48.5° above the horizontal with a tension T2, as shown in the figure. Find the tensions

asked by chris browning on June 17, 2015
20. ## STATS

Winning the jackpot in a particular lottery requires that you select the correct two numbers between 1 and 56 and, in a separate drawing, you must also select the correct single number between 1 and 59. Find the probability of winning the

asked by BMETA on June 12, 2015
21. ## math

a flower bed is in the shape of a triangle with one side twice the length of the shortest side, and the third side is 11 feet mre then the length of the shortest side. find the dimmenstions if the perimter is 163feet

asked by Anonymous on October 11, 2015
22. ## Pure Mathematics

Find the modulus and principal argument of the complex numbers giving the argument in radians either as pi or a decimal correct to 2 decimal places c) i square root 3 -2 ALL UPON -2-i square root 3

asked by KerryJ on September 11, 2013
23. ## Algebra

the length of a rectangle is 4cm more than the width of the rectangle. If you increase the length by 8cm and decrease the width by 4cm, the area will remained unchanged. Find the original dimensions

asked by Will on February 22, 2016
24. ## Algebra

A ship traveled 150 km with the current, and then turned around and traveled back, spending 5h and 30 min on its trip. Find the speed of the current if the speed of the ship in still water is 55 km/hour.

asked by Andrew on March 22, 2016
25. ## statistics

A factory finds out that on the average 20% of bolts produced by the given machine will be defective.if 10 bolts are selected at random from the day's production of this machine,find the probability that 1.exactly 2 will be defective. 2. 2 or more will be

asked by farahan on March 25, 2016
26. ## physics

Two satellites are in circular orbits around the earth. The orbit for satellite A is at a height of 427 km above the earth’s surface, while that for satellite B is at a height of 873 km. Find the orbital speed for (a) satellite A and (b) satellite B.

asked by Regheim Beck on October 9, 2015
27. ## Algebra..

Find the slope of the straight line that passes through the given points or state that the slope is undefined. Then indicate if the line through the points rises (left to right), falls (left to right), is horizontal, or is vertical. 1. (7, 4) and (1, 1) 2.

asked by Pat6 on September 14, 2012
28. ## Math

The smallest figurine in a gift shop is 2 inches tall. The height of each figurine is twice the height of the previous figurine. Write a power to represent the height of the tallest figurine. Then find the height.

asked by Jessica on September 9, 2018
29. ## science

Solve both equations for v. Kinematic: v=v0+at Energy: 1/2mv^2=mgh I have the height and time: Hgt: 2ft Time in second: 0.3 How do I find Velocity(v) in m/s(kinematic) and Velocity(v) in ft/s (energy)? I'm not sure where to start.

asked by Sheryl on September 14, 2011
30. ## math

A factory finds out that on the average 20% of bolts produced by the given machine will be defective.if 10 bolts are selected at random from the day's production of this machine,find the probability that 1.exactly 2 will be defective. 2. 2 or more will be

asked by farahan on March 26, 2016
31. ## physics

a frog sees an insect at a horizontal distance of 1meter from it .the frog can jump with a maximum speed of 4m/s in any direction .find the mimimum distance that the insect has to keep the frog so that it can escape from the frog

asked by girl on September 23, 2018
32. ## Science

A block of mass m is placed on a triangular block of mass M Which in turn Placed on a horizontal frictionless Surface find the velocity of the triangular block when the smaller block reaches the bottom end

asked by Shubhrajeet Mondal on October 17, 2015
33. ## math

Two sides of a triangle have lengths 15 m and 18 m. The angle between them is decreasing at a rate of 0.08 rad/s. Find the rate at which the area of the triangle is changing when the angle between the sides of fixed length is 120°.

asked by christina on October 20, 2013
34. ## drwls, math

Let me know if i got it correct. for the problem: When x number of units are sold, the price of each unit (in dollars) is given by p =-x/2 +75 . Find the unit price when the following quantities are sold: 2,7,9,11. My answer: for 2= you gave me the answer

asked by jasmine20 on December 22, 2006
35. ## philosophy

o Which of the Pre-Socratic philosophers had the most compelling ideas? o Briefly summarize the philosopher’s idea or ideas. o Why do you find these ideas compelling? o Include a practical example of one of the philosopher’s ideas in your response.

asked by who on December 12, 2009
36. ## statistics

It has been reported that 86% of federal government employees use email. If a sample of 175 federal government employees is selected, find the mean, varience, and standard deviation of the number who use email.

asked by Anonymous on October 16, 2013
37. ## algebra 2

The red spinner has six equal sectors labeled with numbers 1 through 6. The blue spinner has four equal sectors labeled with letters A, B, C, and D. Find the probability of spinning the two spinners and getting a number less than three with a B or D.

asked by gab on July 21, 2012
38. ## maths

a man leaves half of his property to his wife.one third to his son and the remaining to his daughter. if the daughter share is 40000. find how much money did he leave. how much did his wife get? what is his son share?

asked by shehzad on October 19, 2015
39. ## Math

Given 1 mile=1760 yards convert 6,688 yards to miles. Now convert it to feet I know I've asked this already but I couldn't find the post to check. 3.7 miles and 20064 feet

asked by Jerald on October 28, 2013
40. ## Maths.

The Dinominator of rational number is greater than numerator by 6.If the numerator is decreased by 2 and the dinominator is increased by 4the new ratio becomes 1/5.find the original rational number. How the answer become 5/11.explain.

asked by Anonymous on June 3, 2018
41. ## physics

Atwood's Machine An Atwood's machine consists of two masses, and , connected by a string that passes over a pulley. If the pulley is a disk of radius and mass , find the acceleration of the masses.

asked by lauren on November 8, 2010
42. ## Maths

A sector of a circle of radius 8cm is bent to form a cone. Find the radius of the cone and it's vertical angle if the angle substended at the centre by the sector is 280°

asked by Amarachi on June 10, 2018
43. ## Math

Find the domain and range for y=x^2+9. Wouldn't the domain and range just be all real numbers since nothing else is really given in the equation? How would you enter "all real numbers" in interval notation? Would it include the infinity sign?

asked by Lillian on August 26, 2015
44. ## Physics

When would instantaneous speed be the same as average speed? would it be when the speed is constant? when the position changes linearly with time or would it be in the limit when the time interval goes to zero? I thought it would be when the speed is

asked by Katie on September 5, 2011
45. ## Chemistry

The reaction of CH4 in 2CH4(g) ---->/

asked by Student on February 28, 2016
46. ## physics

Two students on roller skates stand face-toface, then push each other away. One student has a mass of 95 kg and the second student 60 kg. Find the ratio of the magnitude of the first student’s velocity to the magnitude of the second student’s velocity.

asked by Madi on February 16, 2016
47. ## science

A 155-N sign is supported by two ropes. One rope pulls up and to the right 26.5° above the horizontal with a tension T1, and the other rope pulls up and to the left 49.5° above the horizontal with a tension T2, as shown in the figure. Find the tensions

asked by stone on November 1, 2015
48. ## math

the square tile shown has a length of 10.5 inches. What power can you write to represent the are of the tile? Write the power as an expression with a base and an exponent, and then find the area of the square.

asked by suzie on November 16, 2015
49. ## statistics

It has been reported that 83% of federal government employees use email. If a sample of 200 federal government employees is selected, find the mean, variance, and standard deviation of the number who use email.

asked by Anonymous on October 5, 2010
50. ## Grammar

I told him that I can find no sign of infection at this time, we will treat him with a decongestant. A) complete sentence B) fragment C) run-on Sounds like a complete sentence, but it could be a run-on that could be fixed with "and we will treat him"?

asked by Marie on October 9, 2012
51. ## Science

Take two glasses put 20g sugar in 2l water in first glass and put 15g sugar in 15ml water in second glass now Chekh out which one will be more concentrated and find out molarity normolity of both

asked by Harman on June 20, 2013
52. ## physics

Particle A of mass 'm' has initial velocity v.After colliding with a particle B of mass'2m' the particles have the following paths B makes an angle 45 degree while A makes an angle X.first,A was moving straight.Find X.

asked by Nantu on September 2, 2011
53. ## finance

A corporation has a total of \$500 million and 100 million shares outstanding. It's ROE is 15%. Calculate the EPS. I know the EPS= ROE x Book value per share How do I find the book value

asked by amanda on May 24, 2012
54. ## child development

I need to know the approach to research(research design) of the psychosocial theory, social learning theory,cognitive-development theory and sociocultural theory of child development. I cannot find this info anywhere

asked by Bubba on September 17, 2011
55. ## Physics

Astronomers find that light emitted by a particular element at one edge of the Sun has a slightly higher frequency than light from that element at the opposite edge. What do these measurements tell us about the Sun’s motion?

asked by Janae on August 22, 2013
56. ## Geometry

A rectangular pyramid fits exactly on top of a rectangular prism. Find the volume of the composite space figure if the prism has length 19 cm, width 2 cm, height 11 cm, and the pyramid has height 7 cm.

asked by Lex on May 21, 2012
57. ## math

During a triathlon, Sharon swims 1/4 of the total route and cycles 3/5 of the remaining route. She runs the rest of the route. If she runs 3,600 meters, find the total distance if the route

asked by K on January 14, 2016
58. ## geometry

Find the values of x and y that make the quadrilateral a parallelogram. Show all your work. a parallelogram is drawn with opposite sides of 4 times y minus 1 and 2 times y plus 7. The second set is 3 times x plus 1 and 4 times x minus 2

asked by Anonymous on October 17, 2010
59. ## math;)

Find the unit vector in the direction of u=(-3,2). Write your answer as a linear combination of the standard unit vectors i and j. a. u=-3[sqrt(13)/13]i+2[sqrt(13)/13]j b. u=-3[sqrt(5)/5]i+2[sqrt(5)/5]j c. u=3[sqrt(5)/5]i-2[sqrt(5)/5]j d.

asked by girly girl on May 17, 2018
60. ## Science

A plane flies 118 km at 15 degrees south of east and then flies 118 km at 35 degrees west of north. Find the magnitude and direction of the total displacement of the plane?

asked by Edlyn on February 22, 2016
61. ## Science

Take two glasses put 20g sugar in 2l water in first glass and put 15g sugar in 15ml water in second glass now Chekh out which one will be more concentrated and find out molarity normolity of both

asked by Harman on June 20, 2013
62. ## Calculus

I have to find the area of the largest possible rectangle that can be inscribed under the curve y=e^(-x^2) in the first and second quadrants. How do I do this? It is symmetrical, so one could ignore the second quadrant, and work on the largest rectangle in

asked by mat on December 2, 2006
63. ## Statistics

The weights of the fish in a certain lake are normally distributed with a mean of 15lbs. and standard deviation of 6lbs. If a sample of 5 fish are taken from the lake, find the probability their means weights are between 12.6 lbs. and 18.6 lbs.

asked by Amy on October 30, 2013
64. ## Math-Calculus

a spring has a natural length of 20meters. a) find the work required to stretch the spring from 20m to 30m b) from 30m to 40m c) how is the work from part a and part b related?

asked by zaxoanl on January 18, 2016
65. ## MATHS help plizzz

A spherical balloon is being inflated and its radius is changing at the rate of 2m/minute. When the radius is 4m, find the rate at which the: (a).volume is increasing V= 3/4 pie r^2 (b). surface area is increasing A = 4 pie r^2

asked by -Minx- on August 17, 2011
66. ## geometry

the width of a rectangular room is 4m wider tan its height and the length is 8m wider than the width .if the total area of the wall is 512m square, find the length of the room.

asked by Anonymous on June 24, 2012
67. ## Pre-Algebra

A fair number cube, numbered 1 though 6 is rolled 200 times. About how many times can it be expected to on the number 4? I tried to do 200 divided by 6 which is 33.3333333333 and then I did 100 divided by 6, so then I tried to use a ratio, but I could find

asked by Jillian on April 4, 2016
68. ## Math

I don't get this question can anyone help? a. Find the unit price for each option shown below. Round to the nearest cent when necessary. Option I: 10 candy bars for \$6.75 Option II: 12 candy bars for \$7.25 b. Which option is the better buy.

asked by I am the ONE The oNE on January 31, 2019
69. ## trigonometry

a ladder which is 5 m long leans against a nail on the wall.it makes an angle of 62 derees with the ground. find the height of the nail above the ground and the distance of the foot of the ladder from the wall.

asked by mae on August 7, 2011
70. ## calculus

Two cars, one traveling north and one traveling west, collide at an intersection.The resulting momentum of the two cars together after the collision is 32 000 kg . m/s N30degreesW. Find the momentum of each car before the collision.

asked by Abi on May 2, 2010
71. ## calculus

If f(x) = 3 cos^2(x) − 6 sin(x) 0 ≤ x ≤ 2π Find the intervals of increase and decrease, the intervals of concave up and concave down, local maximum values, local minimum values, and inflection point

asked by SIRI on October 17, 2014
72. ## physics

a ray enter from denser medium in to air. if angel incident is30 degree and angel of reflection in air 60 degree.find out refractive index of medium ?

asked by hina hina on April 29, 2016
73. ## Algebra

Ok, so then does this look correct? -Find the area of a triangle in which the base measures 8.5 centimeters and the height measures 3 centimeters less than the base.- My answer: Area= 23.375cm squared (if you would like, I could show my work) Thank you so

asked by Jamie on September 15, 2007
74. ## Fractions

1) What is 5/6 - 7/9? 2) Della wants to open a daycare center and saved 2/5 of the amount needed for start-up costs. If she saves another 1/8 of the necessary amount and then 1/6 more, find the total portion of start-up costs she had saved.

asked by Alex L. on October 10, 2011
75. ## math check my work

find theta in radians to the nearest tenth if: sec(theta) = 1.4231 is this correct: enter into calculator: cos^(-1)= 1/1.4231 get .7916232503, rounded to the nearest tenth = .8

asked by woody on February 28, 2008
76. ## physics

A bullet of mass 0.45kg is fired from a gun of mass 9kg.the bullet moving with an initial velocity of 200m/s.find the intial backward velocity of the gun

asked by Anonymous on February 27, 2014
77. ## Science

We did a refraction lab and we used a semi circular prism and through it we shot a light beam in order to find the angle of refraction. Why is it that we used a semi circle and not perhaps a per circle or some other kind of prism? Thanks :)

asked by Debby on September 13, 2009
78. ## math

Lolita saved \$ 5000 in a saving account which pays 12% interest compounded monthly. Eight months later she saved another \$ 5000. Find the amount in the account two years after her first saving.

asked by omar on June 7, 2016
79. ## Physics

A uniform rod of weight 5N and lenght 1m is pivoted at a point of 20 cm from one of its ends. A weight is hung from the other end so that te rod balances horizontally. What is the value of the weight? How do I find it if I don't know the weight at the

asked by Kiwiwi on February 8, 2015
80. ## 7th grade math help Ms. Sue please

How do you find the sales tax of something? Here is one of my problems: The price of three dolls are \$12.99. What is the price of the dolls with a 5% sales tax? Show all of your work! I cannot figure out how to put up an equation and solve this problem.

asked by Delilah on November 27, 2012
81. ## Physics

Find the linear momentum and kinetic energy of a bullet of mass 4.80e-2 kg moving at a speed of 320 m/s. I found the linear momentum to be 15.36 by doing m*v but I can't figure out the kinetic energy.

asked by Kellie on October 16, 2011
82. ## science

Potassium-40 has a half life of 1.2 billion years and decays into the stable daughter isotope Argon-40. If you find a rock that contains 20 Potassium-40 atoms and 60 Argon-40 atoms, how old is the rock?

asked by lex on October 25, 2016
83. ## Physics

A merry-go-round makes one complete revolution in 9.1 s. An 18.8 kg child sits on the horizontal ﬂoor of the merry-go-round 4.7 m from the center. Find the child’s acceleration. The acceleration of gravity is 9.8 m/s 2

asked by Jaleena on January 18, 2012
84. ## math

On a sunny day, a 6-foot man casts a shadow that is 11 feet long. The shadow of a nearby oak tree is 66 feet long. Find the height of the tree.

asked by javion on January 8, 2018
85. ## Maths

In an exhibition , an umbrella is made by stitching 8 triangular pieces of cloth with some message written on two triangular pieces . If each piece measures 26 cm , 26 cm and 12 cm . Find how much cloth is required for each message.

asked by Deepak on June 30, 2016
86. ## complex fraction

A lawn company advertise that they can spread 7,500 square feet seed in 2.5 hours. Find the number of square feet of grass seed that can be spread per hour.

asked by Regan on February 27, 2014

A cart of mass M1 = 5.00 kg and initial speed = 3.00 m/s collides head on with a second cart of mass M2 = 3.00 kg at rest. Assuming that the collision is elastic, find the speed of M2 after the collision. I have tried the answer 5.0 m/s however it says it

asked by Erin on March 23, 2013
88. ## physics

Two satellites are in circular orbits around the earth. The orbit for satellite A is at a height of 418 km above the earth’s surface, while that for satellite B is at a height of 731 km. Find the orbital speed for (a) satellite A and (b) satellite B.

asked by Anonymous on March 5, 2014
89. ## math

A store mixes Brazilian coffee worth \$11 per Kilogram, Turkish coffee worth \$13 per kilogram. The mixture is to sell for \$12 per kilogram. Can you help me find how much of each should be used to make a 564- Kilogram of both mixtures please and thank you.

asked by Mandy on December 8, 2011
90. ## Math

The 2008 attendance at the Ohio State Fair was at least 16,700 less than the attendance in 2009. If the attendance in 2008 was 809,300, write and solve an inequality to find the 2009 attendance.

asked by Delores on January 26, 2015
91. ## Math

ABC Bank offers a savings account with 4.5% compounded quarterly. Find the APY the bank's savings account offers (round your answer to three decimal places).

asked by Jen on January 9, 2013
92. ## calculus HELP

how do you find the domain of the function:: 14/(x^2 - 361)

asked by joe on September 26, 2009
93. ## physics

A point charge of -4.00 is at the origin, and a second point charge of 6.00 is on the axis at = 0.850 . Find the magnitude and direction of the electric field at each of the following points on the axis. a) x=25.0cm b) x=1.10m c) x=-15.0cm

asked by Zac on February 10, 2013
94. ## Calculus

At 1:00 p.m. ship A is 25 km due north of ship B. If ship A is sailing west at a rate of 16km/h and ship B is sailing south at 20km/h, find the rate at which the distance between the two ships is changing at 1:30 p.m.

asked by Becky on November 6, 2011
95. ## 6th grade english

Add two prepositional phrases to this sentence. Can you help me find something that makes sense for the second half of the sentence. Thank You. The singer impressed her audience. The singer beside the stage impressed ________ her audience.

asked by Jill on September 20, 2010
96. ## AP calc

A gas barrel has the shape of a right cylinder with the radius of 5 ft. and the height of 15 ft. If gas is being pumped into the barrel at the rate of 3 ft.3/min, find the rate at which the gas is rising when the gas is 8 ft. deep. any help would be

asked by Juliet on October 30, 2011
97. ## Math

A circular oil slick is expanding with radius, r in feet, at time t in hours given by r=12t−0.3t^2, for t in hours, 0≤t≤10. Find a formula for A=f(t), the area of the oil slick as a function of time.

asked by George Carl on February 10, 2018
98. ## algebra

when P dollars is invested at interest rate (I), compounded annually, for (t) years, the investment grows to (A) dollars, where A=P(1+I)^3. Find the interest rate if \$40,960 grows to \$49,130 in 3 yrs.

asked by david on April 22, 2014
99. ## math

Distance between 2 villages A and B is 165km.a scooter rider starts from A to B at 75km at speed of 320km/hr.at the same time another scooter rider starts from B towards A at speed of 25km/hr.find when they will cross each other? ( 10 am)?

asked by jk on May 26, 2017
100. ## Trigonometry

Outside temperature over a day can be modeled as a sinusoidal function. Suppose you know the high temperature of 95 degrees occurs at 3 PM and the average temperature for the day is 80 degrees. Find the temperature, to the nearest degree, at 8 AM

asked by Julie on November 1, 2016