# find the derivative of y=(3x+1)^2 y= square root 13x^2-5x+8

97,722 questions, page 816
1. ## real estate finance

The annual insurance premium on Maria Snyder's house is \$2,074 and the annual property tax is \$1,403. If her monthly principal and interest payment is \$1,603, find the adjusted monthly payment including principal, interest, taxes, and insurance (PITI).

asked by tmouery on April 19, 2013
2. ## physics

Set a frictionless incline at various measured angles then determine the acceleration of a block by measuring the time it takes to increase from an initial speed to a final speed.If the angle is 20 and the initial speed is 0.68m/s and final speed is

asked by Trista on November 21, 2010
3. ## math

Running at an average rate of 4 meters per second, a sprinter ran to the end of a track. The sprinter then jogged back to the starting point at an average rate of 2 meters per second. The total time for the sprint and the jog back was 2 minutes 6 seconds.

asked by Barbara on September 11, 2014
4. ## College Physics

Two crates are connected by a massless rope that passes over a pulley. If the crates have mass 33 kg and 82 kg, find their acceleration. If the system begins at rest, with the more massive crate a distance 12 m above the floor, how long does it take for

asked by Shannon on October 13, 2014
5. ## Physics

A mover finds that a 20 kg crate initially at rest requires a 75 N horizontal force to set the crate in motion, but only a 60 N force to maintain a constant velocity. Find a) the co-efficient of static friction between crate and floor. b) the co-efficient

asked by Anonymous on October 13, 2016
6. ## physic

Six roller-coaster carts pass over the same semicircular "bump." The mass M of each cart (including passenger) and the normal force n of the track on the cart at the top of each bump are given in the figures. Iam given the force in N of the cart at the

asked by mike on October 27, 2010
7. ## math

Running at an average rate of 4 meters per second, a sprinter ran to the end of a track. The sprinter then jogged back to the starting point at an average rate of 2 meters per second. The total time for the sprint and the jog back was 2 minutes 6 seconds.

asked by Tish on September 11, 2014
8. ## physics

A bucket of mass 1.60 kg is whirled in a vertical circle of radius 1.30 m. At the lowest point of its motion the tension in the rope supporting the bucket is 25.0 N. (a) Find the speed of the bucket. Enter a number.1 m/s (b) How fast must the bucket move

asked by asia on December 18, 2009
9. ## Math

Jasmine and her brother Nat are savibg to buy a digital camera that costs \$135. Jasmine earns \$15 per week for babysitting and spends \$5 of it. Nat earns \$18 per week for walking dogs and spends\$7 of it. Which expression can be used to find how many weeks

asked by Des on April 12, 2016
10. ## Alebra

I have this math project and I'm stumped on this word problem. Any point in the right direction would be greatly appreciated.. A movie theater had a certain number of tickets to give away. Five people got the tickets. The first got one third of the

asked by Mike on November 21, 2007
11. ## math

let the random variable x denote the number of girls in a five-child family. if the probability of a female birth is .5 find the probability of 0,1,2,3,4, and 5 girls in a five-child family. construct the binomial distribution and draw the histogram

asked by miranda on April 23, 2009
12. ## Trigonometric Functions

The average depth of the water in a port on a tidal river is 4m. At low tide, the depth of the water is 2m. One cycle is completed approximately every 12h. a)Find an equation of the depth, d(t)metres, with respect to the average depth, as a function of the

asked by Sam on April 30, 2014
13. ## science

A point charge of -4 mu or micro CC is located at x = 4 m, y = -2 m. A second point charge of 12 mu or micro CC is located at x = 1 m, y = 4 m. (a) Find the magnitude and direction of the electric field at x = -1 m, y = 0. I got 4545.69 N/C by using this

asked by kenzie on September 2, 2014
14. ## reiny

How do I find a variance for a set of numbers {1,16,8,17,12} I got that variance-34.2, but I'm unsure. Any help? Thanks. math - Reiny, Sunday, January 24, 2010 at 8:16pm look at his page. Reiny - April, Sunday, January 24, 2010 at 8:25pm I looked at that

asked by April on January 24, 2010
15. ## math

find the constant of proportionality and unit rate for the data in the table. Then write the equation to represent the relationship between time t and distance d Time Distance 2 hrs 90 miles 3 hrs 135 miles 5 hrs 225 miles 6 hrs 270 miles i need to show

asked by Natasha on April 4, 2017
16. ## science

Three horizontal ropes pull on a large stone stuck in the ground, producing the vector forces and shown in the figure below. Find the magnitude and direction of a fourth force on the stone that will make the vector sum of the four forces zero. The

asked by Anonymous on September 8, 2014
17. ## current and magnetism

A current loop with radius 20 cm and current 2 A is in a uniform magnetic field of 0.5 T. Considering all possible orientations of the loop relative to the field, what is the largest potential energy difference (in Joules) you can find between two

asked by James on November 24, 2013
18. ## Math repost for Will

This was reposted because it was originally posted on another student's post. 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

asked by Ms. Sue on February 27, 2019
19. ## math

Running at an average rate of 4 meters per second, a sprinter ran to the end of a track. The sprinter then jogged back to the starting point at an average rate of 2 meters per second. The total time for the sprint and the jog back was 2 minutes 6 seconds.

asked by Alana on September 12, 2014
20. ## essay research physcology

hi, i'm writing an essay on deja vu and i'm researching right now. So i'm trying to find other phenomena similar to deja vu. so far, i found something called "jamais vu", "tip of the tongue"(presque vu), and the "l'esprite de l'escalier" Are there more

asked by jen on October 14, 2008
21. ## Math

In a recent year there were the following numbers (in thousands) of licensed drivers in the United States. MALE: Age 19 and under - 4746 Age 20 - 1625 Age 21 - 1679 FEMALE: Age 19 and under - 4517 Age 20 - 1553 Age 21 - 1627 Choose one driver at random.

asked by Alex on April 10, 2013
22. ## physics oscillator energy

a block of wood of mass 0.25kg is attached to one end of a spirnf og constant stiffness 100N/m. The block can oscillate horizontally on a frictionless surface, the other end of the spring being fixed. a) calculate the maximum elastic potential energy of

asked by Jess on November 3, 2008

My Assignment: Write a reflective essay in which you explore a personal experience or an event and reflect on its deeper meaning. I'm between a rock and a hard place with trying to find the perfect topic for this. I know you don't know anything about

asked by Nirvana on February 5, 2016
24. ## Criminal Justice/Terrorism

Push logistics is a good, but expensive, way to be prepared for disasters. The best method to get your town council to budget these funds is to: A. explain that they will be subject to lawsuits for deaths if an incident happens and police, fire and EMS

asked by Pat Mejias on July 8, 2015
25. ## Calc, Implicit Differentiation

1) Let x^3 + y^3 = 28. Find y"(x) at the point (3, 1). y"(3)= The correct answer is: -2*3*28 = -168 3x^2 + 3y^2(dx/dy) = 0 6x + 6y(dx/dy) = 0 dx/dy = -6(3)/6(1) = -3 That's as far as i get... i don't even know if that's started right... You have x^3 + +

asked by Michael on October 21, 2006
26. ## Art

Think about how different class systems of people are represented during Art of Europe and America (1700 - 1900). Looking at the values and representation of values or ideas, please compare and contrast the visual subject, form, and content of these two

asked by Amy on July 2, 2015
27. ## nutrition

Hello, I have to do a one week menu plan for my nutrtion class for a childcare setting, and I can't find a menu template that I can use, any suggestions. Thanks

asked by clark on November 1, 2006
28. ## physics

a metal cylinder containing water at 60ged C, has a thickness of 4mm.And the thermal conductivity 400W per m per K. it is lagged by felt of thickness 2mm and thermal conductivity 0.002W per m per K. the room temperature is 10deg C.Find the temperature

asked by ridhi on May 1, 2012
29. ## math

The earth has a radius of 6,380 km. The formula for the volume of a sphere is �� V = 4/3 ðx^3, and the formula for surface area of a sphere is A = 4ðx^2 . Find the volume and surface area of the earth and write the answer in scientific

asked by james on November 3, 2010
30. ## physics

On the way to the moon, the Apollo astronauts reach a point where the Moon’s gravitational pull is stronger than that of Earth’s. Find the distance of this point from the center of the Earth. The masses of the Earth and the Moon are 5.98 × 1024 kg and

asked by ally on January 23, 2019
31. ## Trig

A swimmer heads perpendicular to a 2-miles-per-hour current. His speed in still water is 1.8 miles per hour. Find the actual speed of the swimmer and his direction angle, 0 (the zero right here is supposed to have a line through the middle of it, I think

asked by MEGGG!!! on May 10, 2010
32. ## algebra

A 125-ft diagonal brace on a bridge connects a support of the center of the bridge to a side support on the bridge. The horizontal distance that it spans is 25 ft longer that the height that it reaches on the side of the bridge. Find the horizontal and

asked by kozy on April 30, 2011
33. ## aglbera

A 125-ft diagonal brace on a bridge connects a support of the center of the bridge to a side support on the bridge. The horizontal distance that it spans is 25 ft longer that the height that it reaches on the side of the bridge. Find the horizontal and

asked by kozy on April 30, 2011
34. ## physics

Pure helium is closed into cylinder with a movable piston. The initial volume, pressure, and temperature of the gas are 15 dm3, 2·105 Pa, and 300 K, respectively. If volume is decreased to 12 dm3 and the pressure increase to 3.5·105 Pa find the final

asked by Thomas on January 11, 2016
35. ## math help

A 125-ft diagonal brace on a bridge connects a support of the center of the bridge to a side support on the bridge. The horizontal distance that it spans is 25 ft longer that the height that it reaches on the side of the bridge. Find the horizontal and

asked by jackster on March 22, 2011
36. ## statistics

A sample of 352 subscribers to Wired magazine shows the mean time spent using the Internet is 13.4 hours per week, with a sample standard deviation of 6.8 hours. Find the 95 percent confidence interval for the mean time Wired subscribers spend on the

asked by Annette on March 19, 2012
37. ## Calc!

Direction: The table gives the position​ s(t) of an object moving along a line at time​ t, over a​ two-second interval. Find the average velocity of the object over the following intervals. a.​ [0, 2] b.​ [0, 1.5] c.​ [0, 1] d.​ [0, 0.5] t=

asked by Jules on May 26, 2018
38. ## math

A ladder , 5 meter long , standing on a horizontal floor , leans against a vertical wall . If the top of the ladder slides downwards at the rate of 10 cm/sec . Find the rate at which the angle between the floor and the ladder is decreasing when the lower

asked by lucky on June 19, 2011
39. ## algebra

Could you help me with this? find the real zeros of f(x) = x^3-8^2+9x+18(x-8^2+9x+18 I know it must be real simple. I have a block somewhere. Thanks I think I understand the Descartes rule of sign change. This equation has 2 sign changes. The total amount

asked by Dee on March 19, 2010
40. ## Algbrea

sapphire island is open 7 days a week the park has 8 ticket booth and each booth has a ticket seller from 10:00 AM to 5:00 PM on average ticket sellers work 30 hours per week write an equation that can be used to find t the minimum number of ticket sellers

asked by Sarah on August 30, 2015
41. ## Trig

A swimmer heads perpendicular to a 2-miles-per-hour current. His speed in still water is 1.8 miles per hour. Find the actual speed of the swimmer and his direction angle, 0 (the zero right her is supposed to have a line through the middle of it, I think it

asked by MEGGG!!! on May 10, 2010
42. ## science

On a particular day, the following appliances are used for the times indicated: coffee maker, 40 min, and microwave oven, 23 min. Using the power requirements given in the table below, find how much it costs to use the appliances at an electrical cost of

asked by ashley on September 4, 2010
43. ## Math

A photographer wants to print a photograph and two smaller copies on a rectangular sheet of paper. The larger photographer and the smaller photographs are in proportion. The larger photograph has a width of 4 inches and a length of 6 inches. Find the

asked by Alexis on January 21, 2019
44. ## statistics

The average height of 18-year-old American women is 64.2 inches. You wonder whether the mean height of this year’s female graduates from your local high school is different from the national average. You measure an SRS of 78 female graduates and find

asked by nina on April 11, 2013
45. ## Physics

A hydraulic press has an input cylinder 4.0cm in diameter and an output cylinder 16cm in diameter. (a) Assuming 100 percent efﬁciency, ﬁnd the force exerted by the output piston when a force of 170N is applied to the input piston.

asked by Anonymous on May 28, 2016
46. ## Math for Educators

Use Gauss's approach to find the following sums (do not use formulas). a. 1 + 2 + 3 + 4 +...+ 102 b. 1 + 3 + 5 + 7 +...+1001 a. The sum of the sequence is ? My answer 102-51(103)= 5,253 b. The sum of the sequence is? My answer 500.3(1,002)=501,300.6 Are my

asked by Carol on June 4, 2013
47. ## stastics

Approimately 10.3% of American high school students drop out of school before gradution. Choose 10 students entering high school at random. Find the probability that (Assume binomial distribution): a. Exactly two drop out b. At least 7 graduate c. All ten

asked by keshia on April 26, 2012
48. ## PHYSICS

1)A picture of width 40 cm weighing 40N hangs from a nail by means of flexible wire attached to the sides of the picture frame. The midpoint of the wire passes over the nail which is 3 cm higher than the points where the wire is attached to the frame. Find

asked by Ann on November 29, 2010
49. ## english literature

i am writing a research paper about JOHN KEATS and his 3 works ( social political religious or any)_ but i didn't find some of the things about him. my question is: WHAT ARE THE SOCIAL POLITICAL AND RELIGIOUS CONTRIBUTION OF JOHN KEATS TO THE ENGLISH

asked by martin on April 14, 2008
50. ## Statistics

A test of 60 youths and 140 adults showed that 22 of the youths and 10 of the adults were careless drivers. Use a 1% level of significance to test the claim that the youth percentage of careless drivers is higher than the adult percentage. Next find the

asked by Polly on July 7, 2010
51. ## PHYSICS

A 15g bullet is fired horizontally into a block of wood with a mass of 2.5 k and embedded in the block. Initially the block of wood hangs vertically and the impact causes the block o swing so that its center of mass rises 15cm. find the velocity of the

asked by Anne on August 6, 2014
52. ## statistics

The actual amount of potato chips that a filling machine puts into an “8-ounce” bag varies from bag to bag. If we consider the amount put into each bag as a random variable having a normal distribution with σ = 0.05 ounce, find the mean such that only

asked by Anonymous on March 22, 2012
53. ## physics

A bag of sugar weighs 3.00 lb on Earth. What would it weigh in newtons on the Moon, where the free-fall acceleration is one-sixth that on Earth? N Repeat for Jupiter, where g is 2.64 times that on Earth. N Find the mass of the bag of sugar in kilograms at

asked by lisa on February 18, 2016
54. ## Math

1.A job hotline service charges \$25 plus a 4% commission c on the first month of earnings if it finds work for a client. Write an equation that represents the total cost T to find a job through the hotline. What is the cost if a client earns \$1500 the

55. ## Rate of current and time

A ship travels downstream for 36 miles and then makes the same return trip upstream. The trip downstream took 3/4 of an hour less then the trip upstream. If the rate of the current is 4mph find the rate of the ship in still water and the time it takes to

asked by Zack on August 8, 2018

The triangles below are similar figures. Use a proportion to find the length of X.The longer triangle has 16 on the left side,6 on the bottom inside it says 120 degrees and at the top it says 25 degrees.The smaller triangle says x on the right, 5 on the

asked by callie on November 10, 2014

I'm trying to find the gravitational force of an electron at earth's surface. I know I say Fg = mass electron * gravity Gravity in this case is 6.673*10-11 m^2/kg^2 correct, not 8.93 * 10^-30N that we used for force of acceleration, right. I use the

asked by Melissa on April 10, 2011
58. ## physics

A sphere of mass M is supported by a string that passes over a pulley at the end of a horizontal rod of length L. The string makes an angle è with the rod. The fundamental frequency of the standing waves in the portion of the string above the rod is f.

asked by Anonymous on April 18, 2011
59. ## Physics

A bag of sugar weighs 4.00 lb on Earth. What would it weigh in newtons on the Moon, where the free-fall acceleration is one-sixth that on Earth? 1 N Repeat for Jupiter, where g is 2.64 times that on Earth. 2 N Find the mass of the bag of sugar in kilograms

asked by Erica on September 16, 2010
60. ## algebra

A 125-ft diagonal brace on a bridge connects a support of the center of the bridge to a side support on the bridge. The horizontal distance that it spans is 25 ft longer than the height that it reaches on the side of the bridge. Find the horizontal and

asked by Elisa on June 19, 2011

The triangles below are similar figures. Use a proportion to find the length of X.The longer triangle has 16 on the left side,6 on the bottom inside it says 120 degrees and at the top it says 25 degrees.The smaller triangle says x on the right, 5 on the

asked by callie on November 10, 2014
62. ## statistics

Suppose a brewery has a filling machine that fills 12 ounce bottles of beer. It is known that the amount of beer poured by this filling machine follows a normal distribution with a mean of 12.44 ounces and a standard deviation of 0.06 ounce. Find the

asked by Anonymous on November 6, 2011
63. ## algebra

A flagpole has a height of 6565 yards. It will be supported by three​ cables, each of which is attached to the flagpole at a point 55 yards below the top of the pole and attached to the ground at a point that is 3232 yards from the base of the pole. Find

asked by melissa on April 10, 2016
64. ## math

Mang jose wants to make a table which has an area of 8 m^2. The length of the table has to be 2 m longer than the width. 1. if the width of the table is p meters what will be its length? 2.form a quadratic equation that represents the situation? 3.find the

asked by rainer ferrer on August 4, 2014
65. ## Algebra

A turbo-jet flies 50 mph faster than a super-prop plane. If a turbo-jet goes 2000 miles in 3 hours less time than it takes the super-prop to go 2800 miles, find the speed of each plane. I do not understand how to do this at all. Please explain as well as

asked by Gemma on May 24, 2009
66. ## Precalc

A ship travels downstream for 36 miles and then makes the same return trip upstream. The trip downstream took 3/4 of an hour less then the trip upstream. If the rate of the current is 4mph find the rate of the ship in still water and the time it takes to

asked by Zack on August 8, 2018
67. ## algebra

A 125-ft diagonal brace on a bridge connects a support of the center of the bridge to a side support on the bridge. The horizontal distance that it spans is 25 ft longer than the height that it reaches on the side of the bridge. Find the horizontal and

asked by Taina on June 20, 2011
68. ## physics

A bag of sugar weighs 3.00 lb on Earth. What would it weigh in newtons on the Moon, where the free-fall acceleration is one-sixth that on Earth? N Repeat for Jupiter, where g is 2.64 times that on Earth. N Find the mass of the bag of sugar in kilograms at

asked by lisa on February 21, 2016
69. ## science

I have an experiment to do with active transport and osmosis with an egg? I don't know what to do? put the egg in salt water and one in plain water It might help a little more to review the concepts related to experiments. An independent variable is the

asked by joe on September 28, 2006
70. ## physics

A 3.30-kg steel ball strikes a massive wall at 10.0 m/s at an angle of θ = 60.0° with the plane of the wall. It bounces off the wall with the same speed and angle (see the figure below). If the ball is in contact with the wall for 0.204 s, what is the

asked by sherry on March 7, 2016
71. ## physics

A 3.30-kg steel ball strikes a massive wall at 10.0 m/s at an angle of θ = 60.0° with the plane of the wall. It bounces off the wall with the same speed and angle (see the figure below). If the ball is in contact with the wall for 0.204 s, what is the

asked by sherry on March 7, 2016
72. ## American History. Dealing with the cold war! !help

I have to write a 7 paragraph paper on the cold war. We have to cover these five points and i am so lost on where to get the information. Please help me find the correct places to get the correct info about each of these! thank you! cold war contrasted to

asked by sally on November 28, 2007
73. ## economics

I am writing a paper on how the monetary and fiscal policies have affected the auto industry i can not seem to find any web site to help me with this can any one give any suggestions Does available credit affect the auto industry? Does disposable income

asked by larry on April 23, 2007
74. ## p

A 3.30-kg steel ball strikes a massive wall at 10.0 m/s at an angle of θ = 60.0° with the plane of the wall. It bounces off the wall with the same speed and angle (see the figure below). If the ball is in contact with the wall for 0.204 s, what is the

asked by sherry on March 8, 2016
75. ## Physics (been trying all day)

A 62.6 kg astronaut is on a space walk when the tether line to the shuttle breaks. The astronaut is able to throw a 11.0 kg oxygen tank in a direction away from the shuttle with a speed of 13.3 m/s, propelling the astronaut back to the shuttle. Assuming

asked by bill on November 2, 2008
76. ## english

i have to write an essay of my choice so i chose game designer can someone tell me the duties of a game designer well this is what i found: "A game designer is responsible for designing the layout and gameplay of a video game, including the characters,

asked by needhelp on January 30, 2011
77. ## physics

A 61.3 kg astronaut is on a space walk when the tether line to the shuttle breaks. The astronaut is able to throw a 11.0 kg oxygen tank in a direction away from the shuttle with a speed of 10.6 m/s, propelling the astronaut back to the shuttle. Assuming

asked by joe on December 18, 2013
78. ## Physics

A 64.3 kg astronaut is on a space walk when the tether line to the shuttle breaks. The astronaut is able to throw a 10.0 kg oxygen tank in a direction away from the shuttle with a speed of 11.9 m/s, propelling the astronaut back to the shuttle. Assuming

asked by Kev on January 26, 2015
79. ## physics

A woman on a bridge 104 m high sees a raft floating at a constant speed on the river below. She drops a stone from rest in an attempt to hit the raft. The stone is released when the raft has 9.78 m more to travel before passing under the bridge. The stone

asked by evy on February 2, 2014
80. ## English Lit- Judith Wright

Does anyone have any information/websites on the poem 'Mirror at the Fun Fair' by Australian poet Judith Wright? Or info on any of her poems. Thanks!

asked by Brian on February 19, 2007
81. ## h.e

name me 5 labour saving appliances you would find at home My robot vacumn cleaner. My dishwasher My washer and dryer. My remote control on the stereo, TV, car, My wordprocessor My email. My online banking. My shopping online. My microwave. My convection

asked by Shauna on September 3, 2006
82. ## MATH

I'm sure what if this is the right answer that the question is looking for. since my eng. not that good i have hard time understanding. Please help me. Question: write a situation that can be modeled by the following linear system. Explain what each

asked by may on March 31, 2015
83. ## Annuity

Ahmad bought a set of sofa and paid RM200 as a down payment. The balance was to be paid by monthly payments of RM150 for two years. The interest rate was charged 10% per annum based on the original balance. Find i) the amount of the loan, ii) the cash

asked by Faranina on December 1, 2012
84. ## Chemistry

Consider the cracking of gaseous ammonia at constant total pressure of 1 atm and constant temperature. Find the equilibrium gas composition at 400 degree C. Given: The Gibbs free energy for the cracking reaction 2NH3 = N2 + 3H2, DeltaGo ( delta G standard)

asked by John on March 29, 2012
85. ## Differential Equations

Consider the spring - mass system, shown in Figure 4.2.4. consisting of two unit masses suspended from springs with spring constants 3 and 2, respectively. Assume that there is no damping in the system. Show that the displacements u1, and u2 of the masses

asked by Daoine on May 13, 2014
86. ## Biology

What would happen if your liver stopped producing sufficient quantities of bile salts? A. You would develop gallstones B.Your small intestine would have trouble breaking up fat globules. C. Your small intestine would have trouble neutralizing acid from

asked by Sajia on August 10, 2007
87. ## English

I can't find a good example with "except" followed by the gerund. I tried to include the other examples myself. Can you please check them? Thank you. 1) She missed having an accident. Is the sentence possible? 2) She approved of his leaving for Paris. They

asked by Henry2 on November 21, 2011
88. ## Algebra

The Bradys and their maid, Alice, took a trip to Hawaii for their summer vacation. The travel agent told Ike that the trip would cost \$210 for each child plus another \$315 per adult. According to the credit card receipt the trip cost a total of \$2205 for

asked by April Preston on May 9, 2017
89. ## Social Studies

Where can i find stuff about ancient china Start with a list and overview of Chinese dynasties and the preimperial period, and then decide how "ancient" you want to go. Here is a good place to start: (Broken Link Removed) Then use google.com or

asked by Carissa on March 13, 2007
90. ## Math

Find the amount in an account if \$2,000 is invested at 6.125%,compounded semi-annually,for 2 years. A)\$2256.49 B)\$2252.50 C)\$2324.89 D)\$544,757.84 Get yourself a pocket calculator or sharpen your pencil. The new amount will be 2000*(1.030625)^4 The

asked by Sharai on March 13, 2007
91. ## math

Find the given percent of each number.Show your work. a.25% of 120 b.80% of 120 c.120% of 80 d.70% of 150 e.150% of 200 f.200% of 150

asked by .......... on October 7, 2009
92. ## math

laura has a roll of ribbon there are 29 yards of ribbon on the roll what equation can laura use to find the number of inches of ribbon on the roll

asked by z on March 9, 2011
93. ## Math help FAST

Find the values of x,y, and x = 91Â°; y=51Â°; z = 31Â°*** x = 89Â°; y=91Â°; z = 0Â° x = 60Â°; y=120Â°; z = 31Â° x = 91Â°; y= 89Â°; z = 31Â°

asked by InsertNameHere on February 10, 2017
94. ## Calculus

A piecewise function is given. Use the function to find the indicated limits, or state that a limit does not exist. (a) lim is over x-->d – f(x), (b) lim is over x-->d + f(x), and (c) lim is over x-->d f(x) x^2 - 5 if x < 0 f(x)= -2 if x ->0 ; d = -3 1.

asked by Kelly on December 14, 2007
95. ## Math

Two forces F1 and F2 act on a particle. F1 has magnitude 5N and in direction 30 degrees and F2 has magnitude 8N and in direction 90 degrees. Find the magnitude and direction of resultant.

96. ## math

The vertices of a rectangle are R(-5,-5), S(-1,-5), T(-1,1), and U(-5,1). After translation, R prime is the point (0,-13). Find the translation vector and coordinates of U prime. I got (5,-8) as my translation vector and (0,-7) as U prime. Is this right?

asked by keisha on November 23, 2007
97. ## Math

The perimeter of a triangle Abc is 28 inches . Side Ab is 6 inches long and side BC is 8 inches long. find the length of side AC. Thank you.

asked by Sky on November 14, 2013
98. ## physics

7. The speed of a man with and against the water currents in a river are 15km/h and 5km/h respectively. Find his speed in still water and the speed of the water currents.

asked by Anonymous on May 31, 2014
99. ## Math

The description of a TV is based upon the diagonal length. If the height of a TV is 24 inches and the width is 32 inches, what is the TV's diagonal length? A) 3 B) 4 C) 21 D) 40 How do i find the diagonal length?

asked by Ash on January 11, 2019
100. ## math

the length of the blue ribbon is two-thirds of the length of the red ribbon. writh an equation to find the length r of the red ribbon

asked by cam on February 3, 2014