# 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 605
1. ## math

A spring is attached to the ceiling and pulled 12 cm down from equilibrium and released. The amplitude decreases by 8% each second. The spring oscillates 17 times each second. Find an equation for the distance, D the end of the spring is below equilibrium

asked by amira on November 2, 2015
2. ## math question

Don't know how to do this problem. Drew lifts weights for 15 minutes a day and run on the treadmill for 30 minute. Use the distributive property to find the minutes the total minutes that drew exercises for 7 days

asked by Khalief on February 21, 2012
3. ## Physics

A 2.6-kg object hangs at one end of a rope that is attached to a support on a railroad car. When the car accelerates to the right, the rope makes an angle of 7.5° with the vertical, as shown in the figure below. Find the acceleration of the car

asked by Anonymous on February 10, 2011
4. ## Science

A block is released from rest on a 45 degree incline and then slides a distance "d". If time taken to slide a rough incline in "n" times as large as that to slide on a smooth incline. Find the coefficient of friction.

asked by Manish Jack on October 21, 2010
5. ## Compound interest

Stereo Inc. sells a stereo system for \$200 down and monthly payments of \$70 for the next 3 years. If the interest rate is 5.25% per year, find: a) The cost of the stereo. Answer = \$ b) The total amount of interest paid

asked by matt on November 10, 2015
6. ## math

A car-rental agency charges \$38 per day plus \$0.21 for each mile driven. Sandra paid \$88.40 for renting a car from them for one day. Write an equation to find the number of miles she drove that day.

asked by Anonymous on November 5, 2011
7. ## physics

A student is skateboarding down a ramp that is 6.52 m long and inclined at 19.8 degrees with respect to the horizontal. The initial speed of the skateboarder at the top of the ramp 2.24 m/s. Neglect friction and find the speed at the bottom of the ramp in

asked by Jill on December 14, 2014
8. ## Physics

I have a circuit with three capacitors and a battery. The battery supplies 15V. The battery is in series with C3. C3 is in series with ( C23). C3= 3*10^-6 F C2= 2 *10^-6 F C1= 1*10^-6 F (respectively C2 +C3 are is parallel withe ach other). I know the

asked by Sara on February 10, 2010
9. ## algebra1

From the top of a lighthouse 210 feet high, the angle of depression to a boat is 27 degress. Find the distance from the boat to the food of the lighthouse. The lighthouse was built at sea level. please some sugesstions.

asked by nena on April 23, 2011
10. ## physics

i can not find the correct answer for this one i got D but someone siad its wrogn electric field strength depends on a. charge and distnace b. charge and mass c. Coulomb constant and mass d. elementary charge and radius

asked by physics on March 12, 2009
11. ## Math

A Mortar shell is fired with muzzle speed of 500ft/sec.Find the angle of elevation of mortar if the shell strikes a target located 1200ft away. What is the maximum height of the shell?

asked by srdja on February 22, 2015
12. ## math

A person 6 feet tall walks at a rate of 150 feet per minute toward a light tower whose searchlight is located 40 feet above the ground. Find the rate that the length of the shadow is changing.

asked by Mikaela on January 8, 2017
13. ## Physics

Two ropes are attached to a wagon, one horizontal to the west with a tension force of 30 N, and the other east and at an angle of 30° northward and a tension force of 40 N. Find the components of the net force on the cart. Show all your work.

asked by Jay on December 10, 2011
14. ## algebra

One number is 5 times another If the sum of their reciprocals is 2/15 find the two numbers Write a sentence that defines the variable you use and check your solution n is one number on it another number n= 5*on 1/n + 1/on= 2/15 1/5on + 1/on= 2/15 multiply

asked by steve on June 24, 2007
15. ## Physics

Starting from rest, a 5kg block slides 2.5 m down a rough 30o incline in 2 seconds. Find a) the work done by the force of gravity. b) the work done by friction. c) the work done by the normal force Do part b last

asked by Anonymous on October 19, 2016
16. ## physics

the gravitational force exerted on a solid object is 5.00N.when the object is suspended from a spring scale and submerged completely in water the scale reads 3.50N. find the density of the object.

asked by gosa on August 16, 2013
17. ## math

The Mustangs and the Bruins play in a basketball tournament. The team that first wins three games wins the tournament. Assuming ties are not possible, find the number of possible ways in which the tournament can occur. I feel like there is not enough

asked by Phillip on February 25, 2010
18. ## math

Consider a particle moving along the x-axis where x(t) is the position of the particle at time t, x' (t) is its velocity, and x'' (t) is its acceleration. x(t) = t3 − 12t2 + 21t − 9, 0 ≤ t ≤ 10 Find the open t-intervals on which the particle is

asked by Anonymous on January 12, 2019
19. ## Math

For each of the following angles, find a coterminal angle with measure (theta symbol) such that 0 degrees is greater than or equal to omega symbol < 360 degrees. a) -100 degrees. I really do not understand how to work this problem and I need help.

asked by Catherine on August 19, 2013
20. ## Physics

A softball player swings a bat, accelerating it from rest to 8 rev/s in a time of 0.3 s. Find the torque the player applies to one end of the bat. Approximate the bat as a 2.2 kg uniform rod of length 0.95 m.

asked by Anonymous on August 1, 2015
21. ## Physics

A sphere of mass 85 kg is attached to one end of a rope as shown in the figure below. It is found that the rope does an amount of work W = 8030 J in pulling the sphere upward through a distance 9.6 m. Find the tension in the rope.

asked by Sierra on July 6, 2012
22. ## Math

A cell phone company charges \$0.28 for each text message. Paula plans to spend no more than \$5.00 on text messages next month. Write and solve an inequality to find how many text messages she will be able to send.

asked by Cheryl on March 19, 2018
23. ## AP Calculus

a norman window is constructed by adjoining a semicircle to the top of an ordinary rectangular window. find the dimensions of a norman window of maximum area if the total perimeter is 72 units. Base value is 21.

asked by Tom on October 1, 2015
24. ## ohy

Carts of mass 3 kg and 10 kg move on a frictionless horizontal track with speeds of 4 m/s and 3 m/s, respectively. The carts collide and stick together. Find: a) The velocity of the carts just after collision. b) The loss of kinetic energy due to the

asked by killi on January 26, 2014
25. ## Urgent math

A man gets a job with a salary of \$40,000 a year. He is promised a \$1900 raise each subsequent year. Find his total earnings for a 10-year period. I got 59,000 and it is wrong what it the correct answer?

asked by jayleen on August 10, 2015
26. ## Physics

A ball is thrown horizontally from the top of a building 55.4 m high. The ball strikes the ground at a point 65 m from the base of the building. The acceleration of gravity is 9.8 m/s2 . Find the time the ball is in motion in seconds.

asked by Ashley on January 30, 2011

a teaher chooses a student at random from a class of 10 boys and 15 girls. Find the odds favor of and for the odds against each event. 1. choosing a girl 2. choosing a boy i don't understand what the odds of something would be

asked by megan on February 14, 2011
28. ## math

a teaher chooses a student at random from a class of 10 boys and 15 girls. Find the odds favor of and for the odds against each event. 1. choosing a girl 2. choosing a boy i don't understand odds of something please help.........

asked by megan on February 14, 2011
29. ## math

A number cube is rolled and a marble is selected from a bag. There are 2 reds, 2 yellows, 2 greens, 1 blue, and 1 purple marble in the bag. Find the probability of the following: roll a 1 and pick a red marble.

asked by Anonymous on May 9, 2016
30. ## RE

i have to write a poem about 'your expression of the vastness of space/universe as a poem. i have all the ideas in my head about the universe being incredibly vast. but im rubbish at writing poems. Can anyone help or find a useful website that has a poem

asked by Nabiha on February 10, 2009
31. ## Chemistry

Toluene, C6H5CH3, is a liquid similar to benzene, C6H6. It is the starting material for other substances, including trinitrotoluene (TNT). Find the molality of toluene in a solution that contains 26.2 g of toluene and 132 g of benzene.

asked by MJ on March 29, 2012
32. ## physics

A student is skateboarding down a ramp that is 6.88 m long and inclined at 16.9 degrees with respect to the horizontal. The initial speed of the skateboarder at the top of the ramp 2.54 m/s. Neglect friction and find the speed at the bottom of the ramp in

asked by dee on December 19, 2012
33. ## physics

An RLC circuit has voltage supplied to it at a frequency of 13.0 kHz with a phase difference between the current and the voltage of magnitude 0.20 rad. If the circuit has a capacitance of 5.0 µF and an inductance of 0.050 H, find the resistance of the

asked by fatih on March 10, 2012
34. ## Algebra 2

Can someone please check my answers? A card is randomly drawn from a standard deck of 52 cards. Find the probability of drawing the indicated card. 1.Not an ace. =12/13 2.A face card and a four. =4/13 3.A heart or a diamond. =1/2 4.A six or a seven. = 2/13

asked by Jane on February 3, 2014
35. ## Politics

Hello! I have another question about Syria.. So I'm trying to write a congressional speech about why the UN should go and help Syria. I need to find 3 reasons to write about, but I only have 2 at the moment. My first reason is that the President of Syria

asked by michelle on September 17, 2011
36. ## Physics

A 20 kg sign is pulled by a horizontal force such that the single rope holding the sign makes an angle of 21 degrees with the vertical. Assuming the sign is motionless, find magnitude of the tension in the rope.

asked by Anonymous on June 11, 2012
37. ## Science one question dont understand plz help ASAP

What will my instruments need to do? (You don’t have to have special names. If you know what kind of data you want to collect, you’ll know what the instruments need to do. Don’t forget that you may need to store samples or other information and find

asked by Thikra on May 8, 2016
38. ## geometry

8. Error Analysis. Find and Correct ALL 3 of the errors in the proof.( 3 points) Given: m||n Prove: m

asked by abc on October 8, 2018
39. ## physics

A child is pulling a sled across a horizontal surface by a rope that makes a 27.5 degree angle with the ground. The child pulls with a force of 32.7 N and the total mass of the sled is 23.5 kg. Find the weight of the sled.

asked by Michael on January 7, 2015
40. ## Statistics

There is a \$2 raffle with a first prize of \$10000, a second prize of \$500, and a 3rd prize of \$100. If 1000 tickets are sold find the expected value. How much should the raffle ticket cost to make this a fair game?

asked by Patty on July 28, 2013
41. ## physics

A block of mass M hangs from a uniform rope of length L and mass m . Find an expression for the tension in the rope as a function of the distance y measured vertically downward from the top of the rope.(with the answer)

asked by Rumo on October 14, 2009
42. ## Stats

A pizza parlor has 12 different toppings available for its pizzas, and 2 of these toppings are pepperoni and anchovies. If a customer picks 2 toppings at random, find the probability that neither topping is anchovies. Round your answer to four decimal

asked by Anon on July 16, 2015

On 2 November 2006, Henry saved \$1200 in an account that pays 8.6% per annum simple interest. Three years later, he added another \$500 into the account. Find the amount in his account on 2 November 2012

44. ## science

a man throws a ball of mass 0.5kg vertically upwards with a velocity of 25 m/s.find:[a}the initial momentum of the ball{b}momentum of the ball at the half way mark of the maximum height {given g=10 m/s square}

asked by mansi on September 7, 2014
45. ## college algebra

given the folowing quadratic equations find the vertex the axis of symmetry the intercept the domain the range the interval where the function is increasing andthe interval where the function is decreasing graph the function y=X^2+4x

asked by zachary on November 6, 2012
46. ## Math

2. The sum of the reciprocals of two consecutive positive integers is 17/72. Write an equation that can be used to find the two integers. What are the integers? Steve helped me yesterday and gave me the hint 8+9=17. Then I thought about it and saw 8*9=72,

asked by Olivia N J on February 24, 2017
47. ## math

A spring is attached to the ceiling and pulled 12 cm down from equilibrium and released. The amplitude decreases by 17% each second. The spring oscillates 16 times each second. Find an equation for the distance, D the end of the spring is below equilibrium

asked by jeff on March 1, 2015
48. ## physics

Multiple-Concept Example 9 discusses the physics principles used in this problem. Three resistors, 2.2, 3.9, and 6.4 Ω, are connected in series across a 24-V battery. Find the power delivered to each resistor. resistance (Ω) power (W) 2.2 ______ 3.9

asked by ali-1 on January 26, 2011
49. ## chemistry

An 85.0-N backpack is hung from the middle of an aluminum wire, as the drawing shows. The temperature of the wire then drops by 20.0 C¡ã. Find the tension in the wire at the lower temperature. Assume that the distance between the supports does not

asked by zuta on April 18, 2010
50. ## Science

How is science related to to the topic? What type of scientist are involved? How do scientist contribute? What other interesting scientific information can you find associated the topic? can u answer these quetion please the topic is about Penicliilins, 3

asked by tysin on March 2, 2008
51. ## Physics

The outside mirror on the passenger side of a car is convex and has a focal length of -7.2 cm. Relative to this mirror, a truck traveling in the rear has an object distance of 20 m. Find (a) the image distance and (b) the magnification of the mirror.

asked by Kristi on November 17, 2011
52. ## Math

Two six-sided dice are rolled at the same time and the numbers showing are observed. Find the following. a. (P=sum of 8) 2 dice: (3,5) (5,3), (2,6), (6,2) c. P(sum is an odd number) 2 dice (1,5) (3,3) (5,1) I am lost here please help me with the further

asked by Keonn'a on October 9, 2018
53. ## Math

Two small planes start from the same point and fly in the opposite directions. The first plane is flying 35 mph slower than the second plane. In 2 hrs, the planes are 530 mi apart. Find the rate of the slow plane.

asked by Matthew on February 3, 2010
54. ## Physics

A 4 kg puck can slide with negligible friction over a horizontal surface, taken as the xy plane. ˆ The puck has a velocity of 3i m / s at one instant ti = 0 . Eight seconds later, its velocity is to be ˆˆ 8i+10 j m / s . Find the magnitude and direction

asked by Maryam on November 16, 2013
55. ## physics

A 1060 N crate is being pulled across a level floor by a force F of 300 N at an angle of 35° above the horizontal. The coefficient of kinetic friction between the crate and the floor is 0.25. Find the magnitude of the acceleration of the crate. answer in

asked by Lauren Miller on January 12, 2013
56. ## probability and statistics

An electrical firm manufactures light bulbs that have a usuable life that is normally distributed with a mean of 1000 hours and a standard deviation of 80 hours. Find the probability that a package of 4 bulbs would last at least 4400 hours.

asked by Kim on April 29, 2012
57. ## Optics

A converging beam of light passes through a diverging lens of focal length 20cm and comes to focus at a distance 30cm behind the lens.Find the position at which beam would converge in the absence of lens?

asked by Sree on March 11, 2015
58. ## Physics

A ball moving with a speed of 9 m/s strikes an identical stationary ball such that after the collision the dierection of each ball makes an angle of 30° with the original line of motion. Find the speeds of the two balls after the collision.

asked by Saiffah on September 20, 2014
59. ## Trigonometry

use the appropriate trig identity (sum and difference, half angle, double angle) to find the exact value. 1)cos 255 degrees 2) sin 165 degrees 3) tan 285 degrees

asked by Jennifer on March 3, 2011
60. ## Physics

A 50 gram mass vibrates in SHM at the end of a spring. The amplitude of the motion is 0.12 meters, and the period is T= 1.70 seconds. Find: The maximum acceleration of the mass? The speed of the mass when the displacement is 0.06 meters?

asked by Justin on December 7, 2015
61. ## physics

A long, straight metal rod has a radius of 4.50 cm and a charge per unit length of 30.0 nC/m. Find the electric field at the following distances from the axis of the rod, where distances are measured perpendicular to the rod. a)3.00 cm b)13.5 cm c)120 cm

asked by anonymous on November 1, 2010
62. ## Physics

I got all but this problem. A 0.145-kg baseball is pitched at 42.0 m/s. The batter hits it horizontally to the pitcher at 58 m/s. A. Find change in momentum? Is it =.145*58-(-.145*42)=1.45-kg m/s? B. If bat and ball are in contact for 4.6 x 10-4 s, what is

asked by Nate on February 14, 2010
63. ## math

A deck of cards has 12 picture cards in it. 4 kings (K). 4 queens (Q). 4 jacks (J). (Part 1) How many different K-Q-J combinations can be made if the suits of the cards don't have to math? (Part 2) Name the multiplication rule you used to find your answer.

asked by cindy on September 15, 2011
64. ## Statistics

In planning a family of 4 children assume boys and girls are equally likely on each birth. Find (i) the probability distribution (ii) the expected number of boys (iii) the standard deviation of the number of boys.

asked by Donald Crentsil on March 17, 2011
65. ## math

1. Two children balance a see-saw in horizontal equilibrium. One weighs 80 lb. and the other weighs 60 lb. and is sitting 4ft. from the fulcrum. Find the force the fulcrum applies to the beam and the distance to the fulcrum to the 80 lb. child. (Neglect

asked by rahul on October 29, 2011
66. ## Trig

A ramp 38' long rises to a platform. The bottom of the platform is 20' from the foot of the ramp. Find x , the angle of elevation of the ramp. Round your answer to the nearest hundredth of a degree. After this question I'm done with TRIG!!! Thanks

asked by Rachal on May 15, 2011
67. ## math

Two trains depart at the same time from the same station and travel in opposite directions. One train travels 25 mph faster than the other train. After 2 hours the trains are 162 miles apart. Find the speed of each train.

asked by John on December 5, 2011
68. ## Physics

A student is skateboarding down a ramp that is 5.38 m long and inclined at 19.4 degrees with respect to the horizontal. The initial speed of the skateboarder at the top of the ramp 2.52 m/s. Neglect friction and find the speed at the bottom of the ramp in

asked by Toung on December 19, 2012
69. ## Pre-Calculus

Find the equation in standard form for the hyperbola that satisfies the given conditions: transverse axis has endpoints (5,3) and (-7, 3) and conjugate axis has a length of 10. I found the distance of the transverse axis to be 12. For the formula, I have

asked by Katelyn on May 16, 2016
70. ## Science

In the Earth Science Reference Tables (you can find them at google), on pg 11 on the bottom where there's the Earthquake Travel Time Graph, on the y-axis, what does each box equal? like for the x-axis, each box between 1 and 2, and 2 and 3 is 200 km, what

asked by Angie on May 26, 2009
71. ## math

1. Two children balance a see-saw in horizontal equilibrium. One weighs 80 lb. and the other weighs 60 lb. and is sitting 4ft. from the fulcrum. Find the force the fulcrum applies to the beam and the distance to the fulcrum to the 80 lb. child. (Neglect

asked by gaurav on October 29, 2011
72. ## math

1. Two children balance a see-saw in horizontal equilibrium. One weighs 80 lb. and the other weighs 60 lb. and is sitting 4ft. from the fulcrum. Find the force the fulcrum applies to the beam and the distance to the fulcrum to the 80 lb. child. (Neglect

asked by gaurav on October 29, 2011
73. ## Math

An hourglass, composed of two identical cones, is 12 cm tall. The radius of each cone is 3 cm. If you want to fill the bottom half of the hourglass full of salt, how much salt will you need? Explain the method you would use to find the amount of salt.

asked by Alex on September 14, 2015
74. ## Math(Data Management)

of the 11 girls in class: 6 dislike Trevor(T), 5 Dislike Bryce(B), 8 Dislike Drake(D), 3 Dislike T and B, 5 Dislike T and D, 4 Dislike B and D only Sue-Ellen is friends with all 3, place students in Venn Diagram and Find the Number and Describe?

asked by Josh on February 27, 2013
75. ## Chemistry

I lost the periodic table my teacher gave me, and I need to find one online that shows charges at the top in columns, as well as charges for the elements with multiple charges online. Could you lead me to any good sources? Thanks

asked by Nicki on April 16, 2009
76. ## math

Two trains depart at the same time from the same station and travel in opposite directions. One train travels 25 mph faster than the other train. After 2 hours the trains are 162 miles apart. Find the speed of each train.

asked by John on December 5, 2011
77. ## Physice

I got all but this problem, I A 0.145-kg baseball is pitched at 42.0 m/s. The batter hits it horizontally to the pitcher at 58 m/s. A. Find change in momentum? Is it =.145*58-(-.145*42)=1.45-kg m/s? B. If bat and ball are in contact for 4.6 x 10-4 s, what

asked by Nate on February 14, 2010
78. ## algebra

In a canoe race, a team paddles downstream 480 m. in 60 s. The same team travels up stream in 80 s. Find the team's rate in still water and the rate of the current. Please show how the equation is set up to solve

asked by chris on May 26, 2012
79. ## Algebra

I am trying to factor, but I can't seem to get this one. The question is: -15d*2*-2d+8. It is actually -15d squared but I didn't know how to right that without it being confusing. Anyways I changed it so now it says -1(15d-2d+8). Then I drew a diagram

asked by Ella on April 24, 2012
80. ## physics

A block of mass M hangs from a uniform rope of length L and mass m . Find an expression for the tension in the rope as a function of the distance y measured vertically downward from the top of the rope.(with the answer)

asked by Rumo on October 14, 2009
81. ## plane and spherical trigonometry

a farmer has a triangular garden with two sides at right angles and the third side measuring 380 (feet long.)Find the perimeter of the garden if the angle between the shaded side and the longest side is 52(degrees)

asked by mhonic on July 8, 2013
82. ## Social Studies

I have to write a poem about life in Carribien South America today. But the problem is I can't find any good sources and credible sources, and even if I did have some I don't know how to start writing a poem. Could you give me some sources for it, and an

asked by Joey on May 10, 2018
83. ## physics 12th

two halves of a round homogenous cyl inder are held together by a thread wrapped round the cylinder with two weights m are same.the complet cylinder has mass m1=31.4kg find minimum value of m for equlibrium of a cylinder

asked by abhijit on February 19, 2016
84. ## Math

There is a circular Park in front of a shopping mall whose radius is 20m. There is a gravel path of uniform width the 2m around the park. Find :A person take 5 round of the circular Park. What distance he cover.

asked by Sneha on March 1, 2017
85. ## physics

For safety in climbing mountaineers use a nylon rope that is 50m long (L) and 0.1 m in diameter. When supporting a 900 N climber the rope stretches 1.6 m (AL) under tension. Find the Young's Modulus (Y) for the nylon rope.

asked by farid on December 27, 2013
86. ## physics

The driver of a 1024 kg truck traveling 32.6 m/s North on I-77 has to make a sudden stop. If it requires a distance of 57.1 m for the truck to stop, use conservation of energy to find the net force acting on the truck.

asked by Cory on November 18, 2009
87. ## physics

Find the diameter of an 18 m(L) long steel wire that will stretch no more than.009 m AL when a load stress of 3800 N is hung on the end of the wire. The Young's Modulus for steel wire is 200 x 109 N/m2?

asked by farid on December 27, 2013
88. ## physics

A mover pushes a 4.21 kg box with a 36.6 N constant horizontal force up a 10.0° ramp that has a height of 1.57 m. If the ramp is assumed to be frictionless, find the speed of the box as it reaches the top of the ramp using work and energy.

asked by Anonymous on November 12, 2018
89. ## Physics

A beam of particles is directed at a 0.017-kg tumor. There are 2.4 x 1010 particles per second reaching the tumor, and the energy of each particle is 5.2 MeV. The RBE for the radiation is 14. Find the biologically equivalent dose given to the tumor in 27

asked by S on October 27, 2014
90. ## physics

how far can a cyclist travel in 2.5 hrs along a straight road if her average speed is 18 km. per hr? (ignore the actual question, what my teacher wants me to do is find the average speed and average velocity using these measurements.) any help is greatly

asked by marina on July 8, 2008
91. ## physics

A block of mass M hangs from a uniform rope of length L and mass m . Find an expression for the tension in the rope as a function of the distance y measured vertically downward from the top of the rope.(with the answer)

asked by Rumo on October 14, 2009
92. ## Physics

An elevator is initially moving upward at a speed of 11.04 m/s. The elevator experiences a constant downward acceleration of magnitude 3.84 m/s2 for 3.06 s. (a) Find the magnitude and direction of the elevator's final velocity. (b)How far did it move

asked by Delilah on February 24, 2010
93. ## trig

Find two standard position primary angles in radians by solving for the unknown. "Primary angles" are those angles which exist between 0 and 2pi. As usual, use exact values in your calculations. cosx - 2cos^2x = 0

asked by Manny on April 28, 2008
94. ## chemistry

Treatment of gold metal with BrF3 and KF produces Br2 and KAuF4, a salt of gold. Find the mass of the gold salt that forms when a 73.0 -g mixture of equal masses of all three reactants is prepared.

asked by john on November 2, 2010
95. ## statistics

According to American Airlines, Flight 215 from Orlando to Los Angeles is on time 90% of the time. Suppose 150 flights are randomly selected. Find the probability that few than 125 flights are on time.

asked by sharon on October 22, 2012
96. ## Chemistry

A solution contains 23.1 ppm of dissolved Fe(NO3)3 (241.860g/mol), which dissociates completely into Fe3+ and NO3- (62.005g/mol) ions. Find the concentration of NO3- in parts per million

asked by Nick on January 9, 2015

a block of mass 77kg is placed at the top of a frictionless plane that is inclined 46degrees to the horizontal. The height of the plane is 23 meters. find the speed of the block at the bottom of the plane. Show the steps please, -thanks

asked by frusterated on June 11, 2012
98. ## Math

On 2 November 2006, Romy saved RM 1,200 in an account that pay 8.6% per annum simple interest. Three years later, he added another RM 500 into the account. Find the amount in his account on 2 November 2012.

asked by melon on May 3, 2018
99. ## AREA

A square lobby is to be tiled at Php160 per square meter. if the lobby were 2m narrower and 2m longer, the cost of tiling would be Php35,360. Find the dimension of the lobby. (pls write the solutions.... thanks)

asked by HELP HELP HELP MNHS on January 6, 2013
100. ## math

joans rectangular garden is 6 meters long and 4 meters wide she plans to double the area of the garden by increasing each side by the same amount find the number of meters by which each dimension must be increased

asked by jack bb on January 31, 2011