# 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 768
1. ## Maths

if area of rectangular plot is 1250 sq cm. a smaller rectangular plot with area 1/5 of the total area and length is 7 times of its breath, find the perimeter of the smaller plot

asked by xyz on October 2, 2015
2. ## Math/Algebra

A bridge is built in the shape of a semi elliptical arch. It has a span of 96 feet. The height of the arch 29 feet from the center is to be 10 feet. Find the height of the arch at its center.

asked by Student on May 28, 2013
3. ## Chemistry

Can you help me with this question? Find the temp for conversion of monoclinic sulfur to rhombic sulfur. This is the data involved: Hf ° (kcal/mol) S(rhombic)=0 S(monoclinic)=0.30 S° (J/K mol) S(rhombic)=31.88 S(monoclinic)=32.55

asked by Alex on April 29, 2008
4. ## math

you can rent a car for the day from company A for \$26 plus \$0.12 a mile company B charges \$24.00 plus \$ 0.19 a mile. Find the number of miles m (to the nearest mile) per day for which it is cheaper to rent from company A

asked by Jasmine on June 5, 2015
5. ## math

tracy is 7 times as old as heather. if let x be the age of heather now. If in five years time , tracy will be four times as old as heather, write an equation involving x and solve it to find what tracy's age is now.

asked by lala on May 13, 2017
6. ## math statistics

A machine has 9 identical components that function independently. The probability that a component will fail is 0.2. The machine will stop working if 1 or 2 components fail. Find the probability that the machine will be fail?

asked by ANOMY on March 28, 2018
7. ## Algebra

Amy has some money in her checking account. If she writes a check for \$40.50, her checking account will be overdrawn by \$21.50. Find how much money is Amy’s checking account now. My Answer (please correct if wrong): 40.5 - (-21.50) = x

asked by Katelyn on September 24, 2017
8. ## Math

Water is poured steadily into an empty container. If the volume of water in the container after 5 seconds is 30 cm3 , find a) The rate of change of volume b) The volume of water after 12 seconds

asked by Aaqib zaman on January 28, 2015
9. ## algebra

the length of a rectangle is 5 times its width. if the length is decreased by 3 meters, and the width is increased by 10 meters, the perimeter will be 374 meters. find the length of the original rectangle.

asked by kaitlyn on November 14, 2016
10. ## Mathematics question

Three pieces of fruit have an average weight of m grams. After another piece of fruit is added, the average weight doubles. Find the weight of the extra piece of fruit in terms of m.

asked by Rick on August 18, 2017
11. ## physics

a relative density of weighs 30g when empty,70g when filled with water,and 100g when filled with a liquid, find the; a. relative density of the liquid b. density of the liquid

asked by williams on November 11, 2018
12. ## explorations in core math

one shuttle service charges \$10 for pickup and \$0.10 per mile.the other shuttle service has no pick up fee but charges \$0.35 per mile. find the number of miles for which the cost of the shuttle service is the same.

asked by america argon on October 15, 2013
13. ## Chemistry

A compound contains only potassium and iodine. A sample weighing 12.3 g of this compound contained 2.90 g of potassium. How many grams of iodine would there be in another sample of this compound containing 9.56 g of potassium? Do I find the mol of each

asked by Madoo on October 6, 2014
14. ## Astro

Suppose you lived on a planet with the same radius as the Earth, but it had a density 2.99 times Earth's density. Your weight would be different on this planet. Find how much you would weigh on this planet divided by your weight on Earth

asked by John on March 27, 2012
15. ## Algebra 2

The braking distance of a car varies directly as the square of the speed. If braking distance of a certain car is 49 feet at 30 mph, find the approximate braking distance at 65 mph

asked by jazzy on January 17, 2017
16. ## adv function

an unknown polynomial f(x) of degree 32 yields a remainder of 1 when divided by x-1 and a remainder of 3 when divided by x-3, find the remainder when f(x) is divided by (x-1)(x-3). What is the answer? and i was wondering if the part about the polynomial

asked by AA on October 4, 2016
17. ## math

A Glass Of Water Is Being Filled With Water At The Rate Of 12 Pi Cm^3/sec And the radius of the top is 6 cm and the radius of the base is 3 cm and the height of the glass is 12 cm , find A) dh/dt and B) radius when the height of water is half?

asked by jack on August 11, 2011
18. ## Algebra 2

Slips of paper with the numbers one through 20 are placed in a hat. If a slip of paper is pulled out of the hat and discarded and then another slip of paper is picked find the probability of both numbers will be greater than 18 or both numbers will be less

asked by Anonymous on February 23, 2016
19. ## math

how would you show his problem as a bar model A box of chalk and 2 staplers cost \$10.3 boxes of chalk and 2 staplers cost \$18.Find the total cost of 1 box of chalk

asked by anna on September 7, 2016
20. ## math

In a lab experiment 8 grams of acid were produced in 28 minutes and 17 grams in 47 minutes. Let g be the number of grams and m be the number of minutes. Find a linear equation that you could use to calculate g for any number of minutes

asked by britney on February 3, 2014
21. ## algebra

a load of 8 kg attached to the bottom of a coil spring stretches the spring to a length of 76 cm and a load of 14 kg stretches it to a length of 85cm. find the natural(unstretched)length of the spring

asked by Anonymous on October 6, 2014
22. ## math

in a lab experiment 8 grams of acid were produced in 28 minutes and 17 grams in 47 minutes. Let g be the number of grams and m be the number of minutes. Find a linear equation that you could use to calculate g for any number of minutes

asked by Anonymous on February 3, 2014
23. ## algebra

an isosceles triangle is one in which two sides are the same length. The perimeter of an isosceles triangle is 36cm if the length of the congruent sides is 4 times the length of the third side, find the dimentions of the triangle

asked by Mia on February 12, 2015
24. ## math

20 men can do a piece of work in 24 days. After working for 6 days, additional men are employed to finish the work in 21 days from the beginning. Find the number of additional men

asked by saurav on March 19, 2015
25. ## Math

the sum of the ages of rex, ben and alfred is 36 years, two years ago, ben was 3 times as old as rex was then, 8 years from now, alfred will be twice as old as ben will be then. find their present age.

asked by arianne on September 29, 2015
26. ## Math

Ali went to the supermarket to buy 3 sweets and 8 bars of chocolate. He paid \$29. If 8 sweets and 3 bars of chocolate cost \$15, find the average cost of 2 sets and 2 bars of chocolate.

asked by William on July 8, 2016
27. ## Math

the sum of the ages of rex, ben and alfred is 36 years, two years ago, ben was 3 times as old as rex was then, 8 years from now, alfred will be twice as old as ben will be then. find their present age.

asked by Anonymous on September 29, 2015
28. ## calculus

In a lab experiment 8 grams of acid were produced in 28 minutes and 17 grams in 47 minutes. Let g be the number of grams and m be the number of minutes. Find a linear equation that you could use to calculate g for any number of minutes.

asked by britney on February 2, 2014
29. ## Math

The wingspan of a Boeing 747-400 is 64.4 metres. a. If a scale model is built to the scale 1:20, what would the wingspan of the model be in centimetres? b. If the wingspan of another model is 53 cm, find the scale of the model in the form 1:x.

asked by Tiffany on September 11, 2016
30. ## maths

a trapezium with its parallel sides in the ratio16:5,is cut from a rectangle whose sides measure 63m &5m respectively. the area of the trapezium is 4/15 of the rectangle .find the lengths of the parallel sides of the trapezium.

asked by YASH on June 3, 2011
31. ## Geometry

A design on the surface of a balloon is 5 cm wide when the balloon holds 71 cm of air. How much air does the balloon hold when the design is 10 cm wide? Explain the method you use to find the amount of air.

asked by Alex on September 15, 2015
32. ## Algebra 2

Find the A) Constant of Variation, B) the Equation of the Variation, and the C) the Solution The volume V of gas varies inversely to the pressure P. The volume of a gas is 200 cm^3 under pressure of 32 kg/cm^2. What will be its volume under pressure of 40

asked by Nate on February 15, 2018
33. ## algebra 1

I really need help with this one the perimeter of a rectangle is 224 incles. the length exceeds the width by 64 inces. find the length and the width. the length is _____ inches and the width is _____ inches

asked by spirit73 on September 29, 2009
34. ## Math

In 500cmcube of alcohol solution the percentage of alcohol by volume is 80%. Find the volume of water that must be added to the solution so that the ratio of the volume of alcohol to that of water becomes 5:2? Please some one give me answer

asked by Mani on November 18, 2012
35. ## maths

a trapezium with its parallel sides in the ratio16:5,is cut from a rectangle whose sides measure 63m &5m respectively. the area of the trapezium is 4/15 of the rectangle .find the lengths of the parallel sides of the trapezium.

asked by YASH on June 2, 2011
36. ## physics

A cart starts from position one with a velocity of 17.0 m/s. Find the speed of the cart at positions 2 and 3 ignoring friction. will the cart reach position four? position 2= 12.0 m high position 3= 2.0 m high 4= 20.m high

asked by Ali on October 26, 2010
37. ## Math

The area of a triangular sail (for a sailboat) is 30 meters squared. If the height of this triangular sail is two less than twice the length of the base, find the dimensions ( height and base ) of the triangular sail.

asked by Anonymous on May 9, 2017
38. ## Math 4 grade

How much is one cola? Use the clues to find out. -The cost is between 20€ and 30€ -You can buy one cola with exactly 6 coins. -You can buy two colas with exactly 6 coins. -You can buy three colas with exactly 6 coins. -You can use pennies, nickels,

asked by Kim on April 30, 2014
39. ## algebra 1

the perimeter of a rectangle is 224 incles. the length exceeds the width by 64 inces. find the length and the width. the length is _____ inches and the width is _____ inches

asked by spirit73 on September 28, 2009
40. ## Gr. 12 Data Management

In playing poker, the likelihood of being dealt a particular hand depends on the number of ways in which that hand could have been dealt from the 52-card deck. Find the number of ways each hand could be dealt. a) three of a

asked by avm on October 18, 2009
41. ## Maths

The question is find the common factors of 12x, 36 When we solve it ; 12x =2×3×2×(×) 36=2×3×2×3 Common factors 2 , 2 and 3 then why fo we multiply the these numbers *in my book the answer is 2×2×3 =6 ( the question says common factors not hcf )

asked by Jess on October 11, 2016
42. ## physics

A motorist drives along a straight road at a constant speed of 15.0 m/s. just as she passes a parked police officer,the officer starts to accelerate at 2.00 m/s^2 to overtake her. assuming the officer maintains this acceleration, a) determine the time it

asked by kevin on January 16, 2011
43. ## Acct.101

Post to the account Stock Investments. Common Stock Shares Cost Co.A 1,980 \$91,080 Co.B 4,990 \$44,910 Co.C 1,100 \$24,200 I am trying to figure out what the stock investment amount is and to find the stock investment. Additional information Sept 1, Sold 998

asked by kay on April 12, 2015
44. ## physics

A motorist drives along a straight road at a constant speed of 15.0 m/s. just as she passes a parked police officer,the officer starts to accelerate at 2.00 m/s^2 to overtake her. assuming the officer maintains this acceleration, a) determine the time it

asked by kevin on January 17, 2011
45. ## Calculus 2

A culture of bacteria is growing at the rate of 20e^0.8t cells per day, where t is the number of days since the culture was started. Suppose that the culture began with 50 cells. (a) Find a formula for the total number of cells in the culture after t days.

asked by Alexis on September 18, 2016
46. ## physics

In a football game, a receiver is standing still, having just caught a pass. Before he can move, a tackler, running at a velocity of 4.5m/s, grabs him. The tackler holds onto the receiver, and and the two move off together with a velocity of 2.6m/s. The

asked by Natasha on March 12, 2012
47. ## Physics

A 2.32 kg block slide down a ramp from a height of 4.19 m. The block has a speed of 3.25 m/s when it reaches the bottom. There is friction. What is the work (in J) done by gravity? What is the work done by friction? I found the work of friction already.

asked by Jordan on October 27, 2014
48. ## PHYSICS 111

A 37.5-kg child swings in a swing supported by two chains, each 3.05 m long. The tension in each chain at the lowest point is 433 N. the force of the seat on the child is 498.5 N. b)Find the force exerted by the seat on the child at the lowest point.

asked by lily on March 11, 2012
49. ## science

A soccer ball is kicked with an initial speed of 8.4 m/s in a direction 22.0° above the horizontal.Find the magnitude and direction of its velocity at the following times. (Take the +x axis to be parallel to the ground, in the direction that the ball is

asked by Caitlin on August 10, 2012
50. ## 3rd grade social studies

where can i find some good information on christopher columbus for a good report. http://en.wikipedia.org/wiki/Christopher_Columbus and http://www.columbusnavigation.com/ and http://www.ibiblio.org/expo/1492.exhibit/c-Columbus/columbus.html =) thanks

asked by zeke on December 5, 2006
51. ## Statistics

The coefficient of correlation between the age and blood pressure of a sample of 8 persons was found to be +0.8, the average age is 50 years and average blood pressure is 60. Their standard deviations were 5 and 10 respectively. a) Obtain the two

asked by Sara on January 2, 2016
52. ## Math

One calling plan offers long distance calls for .03 per minute. Another plan costs \$2.00 per month but offers long distance service for 0.01 per minute. Write and solve an equation to find the number of long distance minuets for which the two plans would

asked by Bryan on November 6, 2012
53. ## math,correction

Is this correct or no. I need help in a couple of problems can someone explain them to me. Problem#1 directions: Factor each expression a^2(b-c)-16b^2(b-c) My answer is: (b-c)(a-4b)(a+4b) PROBLEM#2 dIRECTIONS: Find a value for k so that 2x^3-kxy^2 will

asked by jas20 on February 24, 2007
54. ## Linear Algebra

Help me find my error! a)Write down the equation of the plane passing through the point (1,5,7) and parallel to the lines. Line A: Line B: Point x = 3- 2t x = 2 - 2t y = 1 - 5t y = 3 - 2t z = 2 - t z = 1 + 4t Parametric equation of the plane = + t1 + t2

asked by Leo on December 6, 2018
55. ## LW Magnate School Aba. Nigeria

The wooden frame of a picture is 20cm long and 16cm wide. If the wood is 1.82cm wide, find the size of the picture. My working: The picture frame= L x W = 20x16= 320cm Wood frame= 1.82*2= 3.64cm 320cm less 3.68cm = 316.36cm.

asked by Treasure on October 13, 2015
56. ## ENG102

Question 1. A car moves 26 km due east then 14 km due north. It then turns along a path running north-east with 15 km, then 17 km due west. If the time for the entire journey is 2 hrs, Find; (a) the car’s average speed in m/s (b) the car’s average

asked by DESMOND on May 1, 2012
57. ## Physics 111 PLEASE HELP ASAP

A 37.5-kg child swings in a swing supported by two chains, each 3.05 m long. The tension in each chain at the lowest point is 433 N. the force of the seat on the child is 498.5 N. b)Find the force exerted by the seat on the child at the lowest point.

asked by lily on March 12, 2012
58. ## chemistry

Please, can someone help? Evaluate log 1. This is my work up until I have gotten stuck: log 1 1=10^x I can't find a common base for 1 and 10^x. Wow, my apologies, this is algebra, not chemistry. but actually I think they use it in chemistry too... Take the

asked by Darcy on April 10, 2007
59. ## Calculus

find the equation for an ellipse that satisfies the following condition Vertices at (-3,1) and (9,1) one focus at (7,1) I will assume you know the general equation of an ellipse and its properties in terms of a,b and c. the centre would be the midpoint of

asked by Kelly on April 14, 2007
60. ## calculas

Use left and right endpoints and the given number of rectangles to find two approximations of the area of the region between the graph of the function and the x-axis over the given interval. (Round your answers to four decimal places.) g(x) = 7 sin x, [0,

asked by Sam on May 7, 2016
61. ## static

The coefficient of correlation between the age and blood pressure of a sample of 8 persons was found to be +0.8, the average age is 50 years and average blood pressure is 60. Their standard deviations were 5 and 10 respectively. a) Obtain the two

asked by moon on January 2, 2016
62. ## Math probability

Assume that 60% of community college students are female. 1) if we pick 100 students at random justify why we can or cannot model this using a normal model. 2) find the probability that between 50 and 70 of the 100 students selected are female. 3) fidn Q1

asked by Katy on April 8, 2013
63. ## math

The area of a rectangular field is 2000 sq.m and its perimeter is 180m. Form a quadratic equation by taking the length of the field as x and solve it to find the length and breadth of the field. the length and breadth are A) (205m, 80m) B) (50m, 40m) C)

asked by nithin on September 1, 2014
64. ## Chemistry

for a question it is given that there is 14.6 g of calcium chloride in 246 g of water. Kf is 1.86 C/m we need to find the freezing point of this solution. when i do the calculations, i get the freezing point to be -0.99 (without using the vant hoff factor

asked by Ania on November 8, 2012
65. ## Math

A standard deck of playing cards contains 52 cards in four suits of 13 cards each. Two suits are red and two suits are black. Find each probability.Assume the first card is replaced before the second card is drawn. 1.P(black,queen) 2.P(jack,queen) How

asked by Shadow on February 10, 2010
66. ## algebra

Jane is taking a class and asks you to help her figure out what her last grade must be in the class to get a 85 in the class. She tells you the following calculation is used to find your final grade: w2d2 x is her last score which has not been taken.

asked by Jennifer on November 29, 2011
67. ## maths

Let ABC be a triangle in the plane. Find circles C0;C1; : : : ;C6 such that Cj has exactly j points in common with the boundary of ABC (this \boundary" consists of the line segments AB, BC, CA). Is it possible to nd a circle C7 with 7 points in common with

asked by jenny on October 12, 2012
68. ## physics

In a football game, a receiver is standing still, having just caught a pass. Before he can move, a tackler, running at a velocity of +4.9 m/s, grabs him. The tackler holds onto the receiver, and the two move off together with a velocity of +3.4 m/s. The

asked by chelsea on May 11, 2012
69. ## math

Jane is taking a class and asks you to help her figure out what her last grade must be in the class to get a 85 in the class. She tells you the following calculation is used to find your final grade: 75+85+90+X ___________ > 4 x is her last score which has

asked by Jennifer on November 30, 2011
70. ## Math ( Polynomial )

This time three questions - 1. If (x^2 - 1 ) is a factor of polynomial ax^4 + bx^3 + cx^2 + dx + e, show that a + c + e = b + d = 0. 2. Let R1 and R2 be the remainders when polynomials x^3 + 2x^2 - 5ax - 7 and x^ 3 + ax^2 - 12 x + 6 are divided by ( x + 1

asked by Jack on April 13, 2013
71. ## Physics

A 23.0 kg block is initially at rest on a horizontal surface. A horizontal force of 80.0 N is required to set the block in motion. After it is in motion, a horizontal force of 57.0 N is required to keep the block moving with constant speed. Find the

asked by Maria on November 2, 2010
72. ## Math

The floor of a round hut is 10m in diameter. A weaver charges \$15.50 to make a mat to fit the floor . Find the cost of the mat per square meter . Work- area of a circle = 3.1 * 5*5=77.5 Cost per square meter =77.5\15.5= 5 cents per square meter

asked by Amina on February 18, 2016
73. ## Math

A jar contains 5 blue marble, 8 red marbles, 4 white marbles,and purple marbles. Suppose you pick a marble at random without looking. Find the probability of each event. Choosing a blue marble, putting it back, then choosing a purple? (Simplest form)

asked by Alice on April 27, 2017
74. ## chemistry

When 0.558g of biphenyl (C_12H_10) undergoes combustion in a bomb calorimeter, the temperature rises from 25.7^\circ C to 30.1^\circ C. Find DeltaE_rxn for the combustion of biphenyl in kJ/mol biphenyl. The heat capacity of the bomb calorimeter, determined

asked by savannah on December 19, 2012
75. ## Physics

The large blade of a helicopter is rotating in a horizontal circle. The length of the blade is 5.2 m, measured from its tip to the center of the circle. Find the ratio of the centripetal acceleration a1 at the end of the blade to the centripetal

asked by Moises on October 6, 2012
76. ## Math ( Polynomial )

This time three questions - 1. If (x^2 - 1 ) is a factor of polynomial ax^4 + bx^3 + cx^2 + dx + e, show that a + c + e = b + d = 0. 2. Let R1 and R2 be the remainders when polynomials x^3 + 2x^2 - 5ax - 7 and x^ 3 + ax^2 - 12 x + 6 are divided by ( x + 1

asked by Jack on April 13, 2013
77. ## physics

Consider a long wire where the current density is not uniform but instead increases as you approach the center of the wire, so that at a distance r from the center the current density is J(r)= I/ 2PiRr. Find the magnetic field strength both inside and

asked by Jessica on April 8, 2008
78. ## Mathematics

In the problems 1 to 3, find the present value of the given (ordinary) annuity. 1. \$3500000 every 6 months for 5 years at the rate of 16% compounded semi-annually. 2. \$7000000 per month for 10 months at the rate of18% compounded monthly. 3. \$1700000 per

asked by Gibbons on June 22, 2010
79. ## Physics

A discus thrower accelerates a discus from rest to a speed of 25m/s by whirling it at 1.25 rev. The discus moves in circle of radius 1m. Find a. The final angular speed, b. The constant angular acceleration, c. The time interval from rest to the speed

asked by Edge on February 28, 2016
80. ## physics

In a football game, a receiver is standing still, having just caught a pass. Before he can move, a tackler, running at a velocity of +4.4 m/s, grabs him. The tackler holds onto the receiver, and the two move off together with a velocity of +2.9 m/s. The

asked by bam on November 6, 2013
81. ## MATH!

The mass of a radioactive substance follows an exponential decay model, with a decay rate of 5% per day. A sample of this radioactive substance was taken six days ago. If the sample has a mass of 3 kg today, find the initial mass of the sample. Round your

asked by Kim on March 15, 2012
82. ## physics

Two point charges of the same magnitude but opposite signs are fixed to either end of the base of an isosceles triangle. The electric field at the midpoint M between the charges has a magnitude EM. The field directly above the midpoint at point P has a

asked by shaun on February 14, 2013
83. ## physics

Three forces are applied to the ring of a force table,60N at an angle of 10.0 degrees, 40N at an angle of 70.0 degrees, and 50N at an angle of 100.0 degrees. Find the magnitude of the resultant and the direction by using the analytical method. What is the

asked by ramona on December 10, 2012
84. ## Math

*not multiple choice* u^-3 = 1/125 y - 1 = 4y - 2/3 * not sure how to do this what is the y intercept of the line? y= -3x - 5 * my answer is 5 when 40 is added to the number miles she ran last week..the result is the same as adding 10 to 4 times the number

asked by Anonymous on December 17, 2014
85. ## precalculus

Find the inverse of the function below. Graph the function below and the inverse function. Determine the domain, range, and asymptotes of the function below and the inverse function. Please show all of your work. and graph. f(x)=e^-x/2+4

asked by tonia on November 11, 2011
86. ## math

i need some serious help with limits in pre-calc. here are a few questions that i really do not understand. 1. Evaluate: lim (3x^3-2x^2+5) x--> -1 2. Evaluate: lim [ln(4x+1) x-->2 3. Evaluate: lim[cos(pi x/3)] x-->2 4. Evaluate: lim x^2+x-6/x^2-9 x--> -3

asked by Dani on July 13, 2010
87. ## Math

Help with these problems would be greatly appreciated: 1.Find the definite integral of dx/(x(1+ln(x))from e^6 to 1. 2. Solve for x in terms of k for log[2,x^6)+log[2,x^10=k. (its log base 2) 3.Solve log base 3(log base 3, x)=-2

asked by Angelina on January 30, 2009
88. ## geometry

the perimeter of a triangle is 59 inches. the longest side is 11 inches longer than the medium side, and the medium side is 3 inches more than the shortest side. Find the length of each side.

asked by Jess on May 4, 2010
89. ## Maths (quadratic equation) need help

In an unknown fraction the denominator is one more than twice the numerator. When 2 1/10 is added to this fraction, the result is equal to the reciprocal of the unknown fraction. Find the unknown fraction. (Hint; the the numerator of the fraction to be the

asked by Danny on May 31, 2016
90. ## Physics

Workers have loaded a delivery truck in such a way that its center of gravity is only slightly forward of the rear axle. .63m in front of the rear wheels and 2.3m behind the front wheels. The mass of the truck and its contents is 9155 kg. Find the

asked by shai on November 25, 2010
91. ## math

Jane is taking a class and asks you to help her figure out what her last grade must be in the class to get a 85 in the class. She tells you the following calculation is used to find your final grade: w2d2 x is her last score which has not been taken.

asked by Jennifer on November 29, 2011
92. ## Physics

A block is hung by a string from the inside roof of a van. When the van goes straight ahead at a speed of 32 m/s, the block hangs vertically down. But when the van maintains this same speed around an unbanked curve (radius = 140 m), the block swings toward

asked by madeline on October 23, 2010
93. ## Math

A boy is trying to find the height of a tree. When he stands 95.5 metres away from the tree (the distance D in Figure 2) the angle shown as è in Figure 2 is 31.5°. The boy’s eyes are 1.15 m from the ground (h in Figure 2). What is the height of the

asked by Jack on May 5, 2016
94. ## Physics

A block is hung by a string from the inside roof of a van. When the van goes straight ahead at a speed of 27 m/s, the block hangs vertically down. But when the van maintains this same speed around an unbanked curve (radius = 180 m), the block swings toward

asked by Julius on March 5, 2011
95. ## physics

Three horizontal forces (the only horizontal one) act on a box sitting on a floor. One force (F1) acts due east and has a magnitude of 150 lb. A second force (F2) has an easterly component at 30.0 lb and a southerly component at 40.0 lb. The box remains at

asked by bl on September 24, 2011
96. ## College Physics

A block is hung by a string from the inside roof of a van. When the van goes straight ahead at a speed of 29 m/s, the block hangs vertically down. But when the van maintains this same speed around an unbanked curve (radius = 135 m), the block swings toward

asked by Dawn on October 2, 2010
97. ## physics

A block is hung by a string from the inside roof of a van. When the van goes straight ahead at a speed of 32 m/s, the block hangs vertically down. But when the van maintains this same speed around an unbanked curve (radius = 140 m), the block swings toward

asked by Fred on October 23, 2010
98. ## Math

the triangle ABC., BC = 12cm, ABC = 80 degree and ACB = 30 degree Calculate the area of triangle ABC. asked by Kd today at 3:06pm angle BAC = 180-80-30 = .... now find AB using the Sine Law. Area of triangle = (1/2)(AB)(BC)sin80° = .... you do the

asked by Kd on September 12, 2018
99. ## physics

A block is hung by a string from the inside roof of a van. When the van goes straight ahead at a speed of 27 m/s, the block hangs vertically down. But when the van maintains this same speed around an unbanked curve (radius = 180 m), the block swings toward

asked by Julius on March 5, 2011
100. ## Math

Freddy and his friends write their names in code. Each friend's name is represented by a number. To identify the friend in a message, you must find the prime factorization of the number. Freddy gets a message from 45. Who is the message from. Secret Code:

asked by Cons on June 21, 2017