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

97,722 questions, page 860
1. ## Math

Ed’s rental charges a flat fee of \$5 plus \$2 per hour to rent a pair of skates. A. Write an equation to model the cost of renting skates, y, for x hours. B. Graph the equation. Label the y-intercept. C. Use the graph to find the cost for renting the

asked by Anonymous on February 24, 2017
2. ## java

can anyone help me with this? I'm new to java! Write a program that will find the lowest common denominator of two numbers. The user will enter the two denominators, the program will output both the lowest common denominator and the multipliers required

asked by Anonymous on April 7, 2012
3. ## physics

Assume that there is no friction between m2 and the incline, that m2 = 2.4 kg, m1 = 1.2 kg, the radius of the pulley is 0.10 m, the moment of inertia of the pulley is 4.8 kg m2, and θ = 25.0°. a) Find the combined mechanical energy of both masses the

asked by May on November 26, 2014
4. ## Please can help me solving my problems(Probality)

A manufacturer makes mobile phone. The manufacturer employs are inspector to check the quality of its product. The inspector tested a random sample of the phone being defective as 0.049. Ashmita buys three of the phones made by the manufacturer. Find the

asked by Fakaapo. Suetusi on April 12, 2012
5. ## Statistics

Suppose a basketball player is an excellent free throw shooter and makes 90% of his free throws (i.e., he has a 90% chance of making a single free throw). Assume that free throw shots are independent of one another. Suppose this player gets to shoot three

asked by Grace on March 17, 2013
6. ## english - media

what are four cinematic techniques used in the film Rocky? -Thanks so much I used Google to search for cinematic techniques rocky, and here are the results. I hope you can find your answer in here:

asked by ana on April 11, 2007
7. ## calculus : related rates

a balloon rises at a rate of 3 meters per second from a point on the ground 30 meters from an observer. find the rate of change of the angle of elevation of the balloon from the observer when the balloon is 30 meters above the ground... so i drew a small

asked by dave on November 5, 2007

The depth d of water in a tank oscillates sinusoidally once every 4 hours. If the smallest depth is 7.9 feet and the largest depth is 10.1 feet, find a possible formula for the depth in terms of time t in hours. (Let the water depth be at the average when

asked by Natalie on September 3, 2015
9. ## math

Find the monthly interest payment in the situation described below. Assume that the monthly interest rate is 1 divided by 1/12 of the annual interest rate. You maintain an average balance of ​\$780 on your credit​ card, which carries a 15​% annual

asked by me on April 18, 2019
10. ## Physics

A stream of water strikes a stationary turbine blade, as the drawing illustrates. The incident water stream has a velocity of +18.0 m/s, while the exiting water stream has a velocity of -18.0 m/s. The mass of water per second that strikes the blade is 73.0

asked by Demetrius on November 29, 2007
11. ## Geometry

An isosceles trapezoid has a perimeter of 42 inches. Each of the congruent nonparallel sides is 5 inches long and the trapezoid is 3 inches tall. How long are the two parallel sides? A. 10 in, 22 in B. 16 in, 16 in C. 10 in, 16 in D. 12 in, 20 in * I

asked by Spartans on April 29, 2018
12. ## 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. Two pairs (one pair each of two different face

asked by avm on October 18, 2009
13. ## Science

Lever, You Find A Smaller Rock, Use As A Fulcrum, You Place It A Meter From Boulder. What Works? """I choose A"""" A)move the fulcrum rock closer to the boulder b)move the fulcrum rock farther from the boulder c) try using the board without a fulcrum d)

asked by Jenny on March 4, 2009
14. ## Physics

A train starts from rest from station P and accelerates uniformly for 2 minutes reaching a speed of 60 km/hr. It maintain this speed 10 minutes and then retards uniformly for 3 minutes to comes to rest at station Q find; a) The distance in PQ in km b) The

asked by Lam on May 21, 2018

Find the area of the shaded region. the outter shape is a rectangle and the inside shape is a triangle everything but the triangle is shaded now the numbers are 18 (on left side of rectangle) and 28 (on the bottom) the wide part of the triangle on the

asked by ashley on May 19, 2010
16. ## Physics

A proton travels to the east at 3.5*10⁶ m/s as it enters a region of uniform magnetic field. The magnitude of the magnetic field is 0.15 T and its direction is 30° north of east. Find the magnitude of the force on the proton at the moment it enters the

asked by Denz on March 16, 2019
17. ## Math

A 12-ft. board is cut into 2 pieces so that one piece is 4 feet longer than 3 times the shorter piece. If the shorter piece is x feet long, find the lengths of both pieces 12ft-x=3x+4 12ft- x-3x=4ft 12ft-4x =4ft -4x=-8ft x=2ft

asked by Denise on April 21, 2016
18. ## Algebra 1

Julie subscribes to a sports magazine and a fashion magazine. She received 24 issues this year. The number of fashion issues is 6 less than twice the number of sports issues. Define the variables, and write a system of equations to find the number of

asked by Gabbi on February 17, 2014
19. ## math

sara is thinking of a number that is a repeating deciaml of the form 0. abcdabcd...find sara's number using the following clues. a. the digit that is located 100 places after the deciaml is 4. b. the digit that is 150 places after the deciaml is 5. c. the

asked by unknown on October 12, 2011
20. ## 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 kind (one pair of each of two

asked by avm on October 18, 2009
21. ## CSU

A speaker has a diameter of 0.303 m. (a) Assuming that the speed of sound is 343 m/s, find the diffraction angle è for a 1.80-kHz tone. (b) What speaker diameter D should be used to generate a 3.72-kHz tone whose diffraction angle is as wide as that for

asked by Japhet on January 31, 2016

PLEASE HELP I REALLY NEED HELP. Each of the three circles in the figure below is externally tangent to the other two, and each side of the triangle is tangent to two of the circles. If each circle has radius three, then find the perimeter of the triangle.

asked by Knights on February 2, 2013
23. ## geometry

I found out the first part of which is x for the figure which was 115 degrees.They do give you the other measures of the angles which are 115,155,155,155.135,135,115.The second part of the problem say yo find the sum of the measures of the exterior

asked by Lauren on July 23, 2011
24. ## math

The area of a rectangle of length l and width w is given by the formula A = lw. Ann's backyard is rectangular with a length of 36.8 yards and a width of 27.9 yards. Find the area of Ann's backyard. 36.8x27.9=1026.72area of ann's backyard can someone please

asked by Lisa on May 23, 2010
25. ## Physics

an airplane has a velocity of 499 km/h relative to the moving air. at the same time, a wind blows northward with a speed of 87 km/h relative to the earth. the airplane is moving in an easterly direction relative to the earth. find speed of airplane to

asked by S on January 28, 2016
26. ## Physics

A speaker has a diameter of 0.303 m. (a) Assuming that the speed of sound is 343 m/s, find the diffraction angle è for a 1.80-kHz tone. (b) What speaker diameter D should be used to generate a 3.72-kHz tone whose diffraction angle is as wide as that for

asked by Japhet on January 31, 2016
27. ## cal

Equations of the tangent lines to hyperbola xy=1 that pass through point (-1,1) I know the graph of y=1/x but not sure about the tangent lines at given point. Are the lines tangent to (1,1) and (-1,-1)? You're correct, the graph is y=1/x, so find y' to get

asked by Melba on September 26, 2006
28. ## physics

A proton travels to the east at 3.5*10⁶ m/s as it enters a region of uniform magnetic field. The magnitude of the magnetic field is 0.15 T and its direction is 30° north of east. Find the magnitude of the force on the proton at the moment it enters the

asked by uy on February 17, 2017
29. ## science

three statements that define all living things in term of cell Since this is not my area of expertise, I searched Google under the key words "living cell define" to get these possible sources: http://en.wikipedia.org/wiki/Life

asked by jimmy on August 19, 2007
30. ## Math

How Do I do this on my calculator? im so confused.. Archers need to use arrows that do not bend easily. The table shows how the weight of an arrow affects its spine,or the distance the center of the arrow bends when a certain constant weight is attached.

asked by cheesecake:) on November 1, 2013
31. ## math

Describe a simple process for using rates and unit prices that might help someone who is having difficulty understanding these concepts. Include either an example from the text or one of your own to explain the solution process. I searched Google under the

32. ## confused

as i earlier posted and , 1 day ago , i am confusesd hw we ll find freezing point......isnt it T pure solvent - T solution .. which ll be 0-(-23.3) = 23.3 plz conform .. and do we have to use Kf.m .. formula in order to get ( -23.3)(1)= -23.3 .. as someone

asked by Dr Bob plz conform on January 25, 2009
33. ## physics

In a scene in an action movie, a stunt man jumps from the top of one building to the top of another building 4.9 m away. After a running start, he leaps at an angle of 17 ◦ with respect to the flat roof while traveling at a speed of 5.8 m/s. The

asked by Anonymous on November 7, 2013
34. ## physics

In a scene in an action movie, a stunt man jumps from the top of one building to the top of another building 4.4 m away. After a unning start, he leaps at an angle of 17◦ with respect to the flat roof while traveling at a speed of 4.3 m/s. The

asked by Kacie on December 4, 2016
35. ## Physics

In a scene in an action movie, a stunt man jumps from the top of one building to the top of another building 5.0 m away. After a running start, he leaps at an angle of 10◦ with respect to the flat roof while traveling at a speed of 5.6 m/s. The

asked by Anonymous on December 4, 2016
36. ## History

If someone says that Pilgrims didn't do much for us, what should we say to them? A. Tuxedos were invented because of those black and white outfits the Pilgrims wore. B.That Mayflower Compact they made was the first constitution ever written in North

asked by Jake on December 10, 2008
37. ## English

Word bank agenda amiable befuddle blight boisterous clarity compliant conserve debut gory gross induce leeway limber maze oracle partisan reimburse vacate vagabond Why do you always ask me whats going to happen? Im no ___ oracle? The crowd is so ____ that

asked by Jerald on November 12, 2012
38. ## Texas History

Why did La Salle's exploration party create a settlement in texas? A.The French king wanted La Salle to establish friendly relations with the Spanish in Texas B. La Salle was looking for the mouth of the Mississippi River and got lost. (C). La Salle wanted

asked by trombone elephant on September 24, 2018
39. ## physics

A football is thrown horizontally with an initial velocity of (16.5 m/s). Ignoring air resistance, the average acceleration of the football over any period of time is (-9.81 m/s2). Find the magnitude and direction of the velocity at this time and direction

asked by micole on May 15, 2007
40. ## physics

Lasers are used to try to produce controlled fusion reactions. These lasers require brief pulses of energy that are stored in large rooms filled with capacitors. One such room has a capacitance of 64 10-3 F charged to a potential difference of 7 kV. (a)

asked by Laurie on January 12, 2012
41. ## math plz help

On a cold winter day in February, many students in Ms. Bush's sixth-grade class had runny noses and sore throats. After examining each student, the school nurse constructed the following table. Sore Throat No Sore Throat Runny Nose 7 14 No Runny Nose 6 6

asked by sajid on February 17, 2012
42. ## calculus help thanks!

The gas law for an ideal gas at absolute temperature T (in kelvins), pressure P (in atmospheres), and volume V (in liters) is PV = nRT, where n is the number of moles of the gas and R = 0.0821 is the gas constant. Suppose that, at a certain instant, P =

asked by Pal on April 2, 2014
43. ## physic

9. A 2.00-kg object is attached to a spring and placed on a frictionless, horizontal surface. A horizontal force of 20.0 N is required to hold the object at rest when it is pulled 0.200 m from its equilibrium position (the origin of the x axis). The object

asked by Ika Diana on June 29, 2013
44. ## algebra

Annual profit in thousands of dollars is given by the function,p(x)=200square x-3 +10,000,where x is the number of items sold in thousands, x less than 3. describe the meaning of the numbers 3 and 10,000 in the formula. find the profit for 5 different

asked by pamela on May 21, 2011
45. ## physics

Two objects of masses m1 = 0.58 kg and m2 = 0.92 kg are placed on a horizontal frictionless surface and a compressed spring of force constant k = 300 N/m is placed between them as in figure (a) shown below. Neglect the mass of the spring. The spring is not

asked by sherry on March 8, 2016
46. ## Physics (Rotation)

In the figure, wheel A of radius rA is coupled by belt B to wheel C of radius rC. The angular speed of wheel A is increased from rest at a constant rate α. Find the time needed for wheel C to reach angular speed ω assuming the belt does not slip. (Hint:

asked by Anon on April 12, 2014
47. ## chem

If 0.752 g of pure sodium carbonate was dissolved in water and the solution titrated with 25.90 mL of hydrochloric acid to a methyl orange end point, calculate the molarity of the hydrochloric acid solution. (Hint: This process takes the carbonate ion to

asked by Beth on April 3, 2011
48. ## Chemistry

Two fixed charges, -4μC and -5μC, are separated by a certain distance. If the charges are separated by 20cm, what is the magnitude of the electric field halfway between the charges? My textbook says that the formula for electric field is (kq)/r^2. But

asked by Emma on February 9, 2016
49. ## chemistry

2.9 The standard enthalpy of formation of the metallocene bis(benzene)chromium was measured in a calorimeter. It was found for the reaction Cr(C6H6)2(s) → Cr(s) + 2 C6H6(g) that . Find the corresponding reaction enthalpy and estimate the standard

asked by girlgirl on June 18, 2011
50. ## Calculus

In 1907 Kennelly developed a simple formula for predicting an upper limit on the fastest time that humans could ever run distances from 100 yards to 10 miles. His formula given by t=.0588s^1.125 where s is the distance in meters and t is the time to run

asked by Duane on November 1, 2014

Two blocks are connected by a rope that passes over a set of pulleys. One block has a weight of 412 N, and the other has a weight of 908 N. The rope and the pulleys are massless and there is no friction. (a) What is the acceleration of the lighter block?

asked by Hannah on February 10, 2011
52. ## physics

A commuter airplane starts from an airport and takes the route shown in the figure below. The plane first flies to city A located 175 km away in a direction 30.0° north of east. Next, it flies for 150 km 20.0° west of north to city B. Finally, the plane

asked by micheal on February 22, 2012
53. ## Physics

A cable pulls a crate of mass 19.0 kg across the floor in 6.8s. If the total distance traveled is 5.40 m, find the power used by the cable. (19)*(9.8)*(5.4)/(6.8) ) 147.9 W Raul pushes a stalled car with a force of 204 N. If the required force decreases at

asked by Damian on May 14, 2009
54. ## PHYSICS

1.Two trolleys X and Y with momenta 20 Ns and 12 Ns respectively travel along a straight line in opposite directions before collision. After collision the directions of motion of both trolleys are reversed and the magnitude of the momentum of X is 2 Ns.

asked by ROSELINE on May 24, 2013
55. ## CHEM

Mass percent is one way to represent solution concentrations, though not the only one. A common measure of solution concentration is Molarity; moles of solute per liter of solution. Calculate the molarity of vinegar in each sample that you titrated and

asked by Linda on March 18, 2015
56. ## Math Analysis

What is the apparent size of an object 1 cm long held 80 cm from your eyes? ==> When they say "apparent size", they mean the angle from which one object is viewed by, say, a person (or in this case a pair of eyes). I thought I'd be able to find the angle

asked by Emily on January 6, 2010
57. ## Calculus

A three-sided fence is to be built next to a straight section of a river, which forms the fourth side of a rectangular region. The enclosed area is to equal 3200 m2. What is the minimum perimeter that such a fence can have? I developed two equations:

asked by Ian on November 23, 2006
58. ## Physics

Please help! I've tried solving this with trig but I can't seem to figure out what I've been doing wrong. Two positive point charges, each of which has a charge of 2.3 × 10−9 C, are located at y = +0.60 m and y = −0.60 m. A)Find the magnitude of the

asked by Alex on April 9, 2013
59. ## Accounting

Case study 2 Sailmakers Ltd John Jeffries recently left the army after more than 20 years in the service. He had decided that at 45 years of age it was time to start a second career. Throughout most of his life John had a passion for yachting and had

asked by Help me :) on February 11, 2012
60. ## AP CHEMISTRY

I really need this please!!!!!!! : write the equilibrium-constant expression and calculate the value of the equilibrium constant for each of the following reactions at 298 K. (a) NaHCO3(s) NaOH(s) + CO2(g) Answer: Keq = PCO2 (b)Value of the Equilibrium

asked by DAN on March 19, 2012
61. ## Chemistry

The equation for the best fit line was y = -4058.7x + 16.10. Using the equation of the best fit line, calculate the heat of vaporization (delta H) and the NORMAL BOILING POINT (in Celsius) of this volatile liquid. Calculated: dHvap = 33.7kJ/mol ----> I'm

asked by May on February 13, 2015
62. ## AP CHEMISTRY

I really need this please!!!!!!! : write the equilibrium-constant expression and calculate the value of the equilibrium constant for each of the following reactions at 298 K. (a) NaHCO3(s) NaOH(s) + CO2(g) Answer: Keq = PCO2 (b)Value of the Equilibrium

asked by DAN on March 19, 2012
63. ## Algebra 2

"At a school sponsored car wash, the fees charged were: \$5 per car, \$8 per truck, \$10 per van. Twice as many cars were washed as pickup trucks. The amount collected for washing cars and pickup trucks was \$360. A total of \$410 was collected. Let x represent

asked by Anonymous on March 26, 2009
64. ## statistics

The probability that a person has an unlisted telephone number is 0.15. The district manager of a political action group is phoning people urging them to vote. In a district with 416 households, all households have phones. What is the probability that the

asked by Joy on August 10, 2011
65. ## Statistics

M&M plain candies come in various colors. According to the M&M/Mars Department of Consumer Affairs, the distribution of colors for plain M&M candies is as follows. Color Purple Yellow Red Orange Green Blue Brown Percentage 18% 19% 21% 9% 9% 6% 18% Suppose

asked by Anonymous on July 8, 2011

In planning a new item, a manufactuer assumes that the number of items produced x and the cost of dollars C of producing these items are related by a linear equation, Projections are that 100 items will cost \$22,000 to produce. Find the eqaution that

asked by David on February 13, 2007
67. ## Physics

Can you please provide me a starting point for these two questions Question One: Three charges are located on the +x axis as follows: q1 = +26 µC at x = 0 m, q2 = +13 µC at x = +2.0 m, and q3 = +42 µC at x = +3.5 m. (a) Find the electrostatic force

asked by Jim on August 30, 2007
68. ## Language Arts

Before you read the question, just know that this question is not straight from a test, I just need help to find understanding...so here goes. In "A Christmas Carol" Marley gets mad when Scrooge says that Marley was "a good man of business." Why does

asked by Little Bird on April 16, 2018
69. ## Marketing

How do the strategic pricing and distribution decisions made by management impact the overall image and positioning of a brand? I think cars are a great example. A Kia is a great car. It is a very affordable brand with mass distribution across the country

asked by zeta on January 19, 2007
70. ## Math

1. A teacher teaches 8 students how to fold an origami model. Each of these students goes on to teach 8 students of their own how to fold the same model. If this teaching process goes on for 6 generations, how many people total will know how to fold the

asked by Reyna on October 7, 2014
71. ## Algebra

Tom went on a 3 Day road trip in which he drove the same number of miles each day. He drove 42 mph the first day. He drove 48 mph the second day. On the last day he drove a x mph. His average speed for the whole trip was 47 mph. Find x and write your

asked by HT on October 1, 2014
72. ## Chemistry

A sample of pure cobalt-60 has an activity of 8 µCi. (t1/2 cobalt-60 = 5.26 a) (a) How many atoms of cobalt-60 are present in the sample? atoms (b) What is the mass in grams of the sample? g The way I approached part a was to first convert the microCi

asked by Trixie on April 16, 2010
73. ## Finance

Preferred stock question. I need help with part b. A share of preferred stock of MXT Ltd. is expected to pay \$1.5 per quarter into indefinite future. The current annual expected rate of return (k) is 12%. Suppose that an investor buys 10 shares today and

asked by Barney on November 24, 2008
74. ## Finance

Preferred stock question. I need help with part b. A share of preferred stock of MXT Ltd. is expected to pay \$1.5 per quarter into indefinite future. The current annual expected rate of return (k) is 12%. Suppose that an investor buys 10 shares today and

asked by Barney on November 25, 2008
75. ## Finance

Preferred stock question. I need help with part b. A share of preferred stock of MXT Ltd. is expected to pay \$1.5 per quarter into indefinite future. The current annual expected rate of return (k) is 12%. Suppose that an investor buys 10 shares today and

asked by Barney on November 28, 2008
76. ## Social studies

Hi! Please help me with major question. I have CBA project now (what is it CBA you can find here: k12.wa.us/assessment/WASL/SocialStudies/HighSchool.aspx). My constitutional issue is "Can people be a property?" which is linked with movement for the African

asked by Anvar on January 19, 2009
77. ## English

can someone help me turn this into a personal narrative? The Lost Dog I didn’t feel like helping my sister wash my dad’s car. After our dog left this morning we were both sad, we didn’t feel like doing anything but to just search for him. “It was

asked by Mario Garcia on October 10, 2011
78. ## Physics

A 3.9 g mass is released from rest at C which has a height of 0.9 m above the base of a loop-the-loop and a radius of 0.4 m. The acceleration of gravity is 9.8 m/s^2. Find the normal force pressing on the track at A, where A is at the same level as the

asked by I Need Help on April 8, 2014
79. ## Physics

A hockey player is standing on his skates on a frozen pond when an opposing player, moving with a uniform speed of 2.0 m/s, skates by with the puck. After 2.00 s, the first player makes up his mind to chase his opponent. If he accelerates uniformly at 0.10

asked by <3 on September 11, 2013
80. ## Math

The CN Tower in Toronto, Canada, is the tallest free-standing structure in North America. A woman on the observation deck, 1150 ft above the ground, wants to determine the distance between two landmarks on the ground below. She observes that the angle

asked by Anonymous on January 20, 2013
81. ## algebra2trig

the merry go round music box has a diameter of 12.5 inches. it is scale model of a Hershchell-Spillman Carousel which is 35 feet in diameter. A miniature horse 5.5 inchs from the center of the music box makes one complete rotation in 27 seconds. find the

asked by Olena on April 29, 2011
82. ## English

I am doing a project on Frankenstein and we have a quote "My vices are the children of a forced solitude that I abhor, and my virtues will neccesairly arise when I live in communion with an equal" I am having a hard time understanding what it means. I have

asked by Julie on August 30, 2007
83. ## Chem

What mass of precipitate is produced when 40.0 mL 0.100M lead nitrate reacts with 30.0 mL 0.100M aluminum sulfate? Assume the volumes are additive. I keep getting the answer of 2.7g precipitate formed rather than the answer of 1.21g. I am using an ice

84. ## college physics

One athlete in a race runnng on a long, straight track with a constanct speed v1 is a distance d behind a second athlete running with a constant speed v2. (a) Under what circumstances is the first athlete able to overtake the second athlete? (Use v_1 for

asked by alaa on October 21, 2013
85. ## Chemistry

Calculate the pH of the solution that is prepared by mixing 26.06g of ammonium iodide (MM=144.942) and 5.08g of ammonia (MM=17.034g) in enough 0.066 M HCI to produce 1.00L of solution. Kb(NH3)=1.76x10^-5 I converted 24.06g and 5.08g to moles and i now I

asked by nns40760 on December 1, 2014
86. ## English

I'm worried about my looks. 1. Why don't you put on cosmetics on your face? 2.Why don't you eat sereals and brown rice? 3. Why don't you do a plastic surgery? 4. Why don't you make double eyelids? 5. Why don't you have a double eyelid surgery? 6. Why don't

asked by rfvv on March 4, 2016
87. ## Physics

In January 2004, NASA landed exploration vehicles on Mars. Part of the descent consisted of the following stages: Stage A: Friction with the atmosphere reduced the speed from 19300 to 1600 in 4.0 . Stage B: A parachute then opened to slow it down to 321 in

asked by Anonymous on May 28, 2010
88. ## Math

1. To find the height of a pole, a surveyor moves 120 feet away from the base of the pole and then, with a transit 8 feet tall, measure the angle of elevation to the top of the pole to be 36*. to the nearest foot, what is the height of the pole? A) 87

asked by Tim on April 19, 2016
89. ## Exceptional children

Does anyone know of some great websites that I can get some info on disabled or exceptional children performing self-care tasks on a daily basis? (Like brushing teeth, taking a bath). I need info on the daily struggles these kids face. I need to do a tasks

asked by "Information needed" on July 22, 2007
90. ## Statistics

1) Find the missing parameter 1.mean 15, 30.15 %, above 50; what is the standard deviation 2.mean 75, 5.05% below 30; what is the standard deviation 3.standard deviation 9, 85.08% below 105: what is the mean 4.standard deviation 16.8, 15.62% above 18.3:

asked by LT on October 17, 2007
91. ## maths

Find the LCM of x cube minus 2 x squared minus 13 x minus 10 and x cube minus 8 squared minuscule

asked by Kailash on April 3, 2016
92. ## make up

If a printer markup is \$55 and the markup rate is 10% of the selling price, find the selling price of the printer. S= M/R

asked by tia on September 22, 2014
93. ## Math

25% of Lings savings is the same amount as 20% of Neil's savings. Find the ratio of Lings's savings to Neil's savings.

asked by Calixte on January 26, 2012
94. ## Math- Tax

The income tax in a certain state is figured at 2% of the first 1,000, 3% of the first next 2,000, 4% of the next 3,000, and 5% thereafter. Find the tax on an income of \$25,000

asked by Hamilton on July 29, 2017
95. ## Algebra

The length of a rectangle is 5 meters more than its width. The perimeter is 66 meters. Find the length and the width of the rectangle

asked by Alex on March 25, 2014
96. ## Probability and Statistics

A package contains 12 resistors, 3 of which are defective. If four are selected, find the probability of getting the following. No defective resistors One defective resistors 3 defective resistors

97. ## Geometry

Triangle DEF ~ Triangle HJK, and the scale factor of Triangle DEF to Triangle HJK is 5/2. If EF=15, find JK

asked by April on June 16, 2010
98. ## Maths

Nine times the reciprocal of a rational number equals 6 times the reciprocal of 17.Find the rational number

asked by S.Priyanka on June 24, 2016
99. ## math

Find each value if cos A=12/13 with 0 (degrees)

asked by Sarah on June 6, 2016
100. ## Probability and Statistics

A package contains 12 resistors, 3 of which are defective. If four are selected, find the probability of getting the following. No defective resistors One defective resistors 3 defective resistors