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

97,722 questions, page 825
1. ## math

One number is 12 more than another. The sum of the smaller number and twice the larger number is 39. Find the larger number.

asked by carly on January 30, 2008
2. ## trig

Find cos(a=b). sin a = 3/5, a lies in Quadrant II, and cos b = 5/13, b lies in Quadrant I.

asked by Michael on August 30, 2009
3. ## maths-

The remainder obtained by dividing x^2 -3kx +2 by ( x+2) is twice the remainder obtained by dividing x^2 +3x –k by ( x+3). Find the value of k

asked by anoynomous on April 5, 2013
4. ## math

let s= the sum of all even numbers from 2 to 10 {including 2 and 10} Let t= the sum of all odd numbers from 1 to 9 z{including 1 and 9.. find s-t

asked by KIRA on February 20, 2008
5. ## math

One number is 12 more than another. The sum of the smaller number and twice the larger number is 39. Find the larger number. This is what I have so far: x+y+12=39

asked by Word Problem on November 25, 2007
6. ## Math

A man's age is 20% more than that of his sister.find the sister's age if the man is 42 years old.

asked by Maan on February 10, 2016
7. ## math

find the mode of each set of numbers, 41.43.56,67,69,72 i believe there is no mode for this set of numbers is this correct

asked by donavan on October 7, 2009
8. ## math

The area of a triangle is 66 m2, and its base is 1 m more than the height. Find the base and height of the triangle.

asked by anonymous on September 27, 2018
9. ## Math

Find the absolute maximum value and the absolute minimum value, if any, of the function. g(x)=1/8x^2-4ã(x)on [0,49] maximum ? minimum ?

asked by Renee on November 9, 2012
10. ## Math/Precal

How do i find the exact value for (Cos 5pi/16)(Cos pi/16) + (sin 5pi/16)(sin pi/16)

asked by Cherry on March 18, 2016
11. ## 4th Math

can u help me find the input and output?Input numbers are 3,5,9 and output numbers are 12,15,30,33 and how u got the answers

asked by Sally on November 28, 2012
12. ## Algebra

How do you find a new salary if you know the amount of a cut/raise and the salary before the cut/raise?

asked by Megan on November 16, 2013
13. ## Calculus

If cos2 theta = 1/3 and 0 is less than or equal to 2 theta and 2 theta is less than equal to pi, find cos theta

asked by George on September 7, 2011
14. ## Math

Find all real solutions of equation 2x^2+1-4=0 Does the equation have real solutions? Yes or No? If yes, x1= and x2= with x1 (less than or equal to) x2

asked by Cdd on September 4, 2012
15. ## math(geometry)

find a counterexample for the following statement. If a number is divisible by 5, then it is divisible by 10. What is the counterexample of that statement?

asked by jordan on September 23, 2007
16. ## Maths

The numerator of a is 5 less than the denominator. If 1 is added to both the numerator and the denominator the fraction would be 2/3. Find the fraction

asked by Naziba on June 21, 2014
17. ## math

Three times the reciprocal of a number equals 9 times the reciprocal of 6. Find the number.

asked by David on December 4, 2012
18. ## math

if cos 2theta=1/3 and 0 less than or equal to 2theta less than or equal to pi, find cos theta

19. ## math

sin a=3/5, a lies on quadrant 1 and sin b=5/13, b lies on quadrant 2. Find cos(a+b)

asked by i need help on January 11, 2013
20. ## Math

Find the exact value: cos(pi/16)cos(3pi/16)-sin(pi/16)sin(3pi/16)

asked by Lala on January 29, 2015
21. ## Math

The numbers 2,p and q are consecutive terms of a GP, and the numbers p,30 and q are consecutive terms of an AP. Find the possible values of p and q

asked by Jimmy on March 24, 2019
22. ## Math

Find the exact value: cos(pi/16)cos(3pi/16)-sin(pi/16)sin(3pi/16)

asked by Abby on January 28, 2015
23. ## physics

find the relative velocity of boat w.r.t water .The velocity of boat is 3i^+4j^ and that of the water is -3i^-4i^

asked by gaurav on June 25, 2016
24. ## Algebra

Did I do this right? Find the vertex, the x intercepts and y intercepts. f(x)=(x-2)^2-4 Vertex: 2,4 X intercepts: 0,0 4,0 Y intercepts: I didn't know how to get these. Could you explain?

asked by Murajabash on November 12, 2009
25. ## algebra

One number is 12 more than another. The sum of the smaller number and twice the larger number is 39. Find the larger number. a) 5 b) 7 c) 17 d) 34

asked by beckyb on January 10, 2008
26. ## Geometry -8th gr

Given: triangle ABC ~ triangle PQR, m

asked by Mona on February 1, 2013
27. ## trig

find exact value cos(13pi/15)cos(-pi/5)-sin(13pi/15)sin(-pi/5)

asked by chris on November 18, 2010
28. ## Fallacy

My assignment is to find fallacies in a newspaper editorial and a opinion magazine. I am having trouble understanding what a fallacy is. I know that it is a false or misleading argument. I am not understanding how to detect fallacy. Everything I read

asked by rindi on December 1, 2006
29. ## Physics

Halley’s comet orbits the Sun with a period of 76.2 years. a) Find the semi-major axis of the orbit of Halley’s comet in astronomical units (1 AU is equal to the semi-major axis of the Earth’s orbit

asked by Reese on May 5, 2011
30. ## XD

In a 24 km race, during which each runner maintains a constant speed throughout, Alice crosses the finish line while Becky is still 8 km from finishing and Caitlin is 12 km from finishing. When Becky crosses the finish line, Caitlin still has d kilometers

asked by XXX on May 6, 2015
31. ## physics

a 100Nforce was applied to pull a 20 kg box up on a rough inclined plane that makes ans angle of 30. if the applied force makes an angle of 20 with the inclined plane the find the coefficient of friction when the accleration of the box is 3m/s^2

asked by anthony on November 1, 2011
32. ## Pre-calculus

State whether the sequence is arithmetic or geometric, write a recursive and explicit formula and find the 10th term. 81, -27, 9, -3, 1... Sequence Type: geometric Recursive: _______ Explicit: ______ 10th Term: -1/243

asked by HELP on April 28, 2019
33. ## Physics

The mass of the sign shown is 28.5 kg. Find the weight supported by (a) the left support and (b) the right support. Between the left and right support is 0.900m and from the right support to the end of the sign is 0.300m. ------------------------------ | |

asked by Kallie on June 9, 2012
34. ## math

A school uniform consists of a shirt and a pair of shorts. A shirt costs \$22. A pair of shorts costs \$15. Write an expression to find the cost of supplying n students with uniforms. Evaluate the expression for 8 students.

asked by Cherie on March 20, 2013
35. ## Algebra

The sum of two consecutive odd integers is 56. A. Define a variable for the smaller integer. B. What must you add to an odd integer to get the next greater odd integer? C. Write an expression for the second integer. D. Write and solve an equation to find

asked by Bri on October 14, 2011
36. ## Physics

A fire hose can project water at a rate of 6.00x10^2 litres per minute to a height of 40.0m. Find: a) the velocity with which the water leaves the tube b) the kinetic energy of the water as it leaves the hose c) the kinetic energy of the water at 40.0m.

asked by Jane on August 26, 2012
37. ## maths

A milk tanker cylinderical in shape having a diameter of 2m and height 4.2m supplies milk to the two booths in the ratio3:2 .One of the milk booths having arectangular base area of 3.96 sq. m and the other has a cylinderical vessel having diameter of 2m.

asked by Anonymous on January 26, 2013
38. ## Algebra

A boat traveled 180 miles downstream and back. The trip downstream took 10 hours. The trip back took 30 hours. Find the speed of the boat in still water and the speed of the current. Solve each system using any method

asked by Kevin on February 26, 2017
39. ## physics

Particle 1 is moving on the x-axis with an acceleration of 5.55 m/s2 in the positive x-direction. Particle 2 is moving on the y-axis with an acceleration of 7.45 m/s2 in the negative y-direction. Both particles were at rest at the origin at t = 0 s. Find

asked by physics on September 24, 2011
40. ## Math

Help! I really hate these kind of questions because this is my weak point. (Don't ask why. I just don't understand these kind of questions that easily) Find 19/25 of \$25,000. A: \$2,500 B: \$15,000 C: \$19,000 D: \$1,900 I think it's either C or B. Those are

asked by Evalyn Carver on February 16, 2018
41. ## math

A balloon is secured to rope that is staked to the ground. A breeze blows the balloon so that the rope is taut while the balloon is directly above a flag pole that is 60 feet from where the rope is staked down. Find the altitude of the balloon if the rope

asked by Andrea on November 8, 2018
42. ## Math

Say for example that you need to find out the number of people that need emergency housing for in a neighbourhood. would you multiply the population of the area by the total percentage of risk. ex. barnyard population 325 risk is 40% ... do you go 325 time

asked by Karley on September 28, 2008
43. ## Calculus..

Two particles are moving in straight lines. The displacement (meters) of particle 1 is given by the function s(t)= cos(4x), where t is in seconds. The displacement (meters) of particle 2 is given by the function s(t)= t^3/3-t^2/2 +2(t) , where t is in

asked by Mary on October 16, 2014
44. ## engineering

The velocity of a sports car is graphed as a function of time . Use the graph to answer the questions. a) Find the sports car’s maximum velocity, , during the 10- interval depicted in the graph. b) During which time interval is the acceleration positive?

asked by AnaLuisa on September 19, 2011
45. ## Physics

Halley’s comet orbits the Sun with a period of 76.2 years. a) Find the semi-major axis of the orbit of Halley’s comet in astronomical units (1 AU is equal to the semi-major axis of the Earth’s orbit).

asked by Reese on May 4, 2011
46. ## Linear algebra

If →u and →v are the vectors below, find the vector →w whose tail is at the point halfway from the tip of →v to the tip of →v−→u and whose head is at the point halfway from the tip of →u to the tip of →u+→v. Assume all vectors are in

asked by sal on September 22, 2018
47. ## math,correction

An employee who produces x units per hour earns an hourly wage of y= (0.95)x + 10. (in dollars). Find the hourly wage for an employee who produces 8 units per hour. i just plug in to the formula where x is i put 8 and the answer i got for it after solving

asked by Jasmine20 on January 26, 2007
48. ## physics

On a drive from your home to town, you wish to average 39.6 mph. The distance from your home to town is 108 miles. However, at 54 miles (half way), you find you have averaged only 29.7 mph. What average speed must you maintain in the remaining distance in

asked by Anonymous on October 20, 2012
49. ## Pre-Algebra

1.Write the ratio in the simplest form 45:15 9:3 3:1*** 1:3 4:1 2.Solve the following proportion p/6 =7/8 p=5.25*** p=8 p-10.5 p=42 3.James has a model helicopter. The model is 8 inches long and 7 inches wide. The actual helicopter is 56 inches long. What

asked by Cami on November 22, 2015
50. ## math

1. unite similar terms with parenthesis. x=2 y=-3 and z=5 find the value of ax to the 2nd power-cy+ax-2ax to the 2nd power+ 2cy to the 2nd power-ax-cy to the 2nd power+ ax to the 2nd power+ cy

asked by chris on October 24, 2009
51. ## ALGEBRA

(not for Ms.Sue) Find the mean, median, and mode of the data set. Round to the nearest tenth. 15, 13, 9, 9, 7, 1, 11, 10, 13, 1, 13 • mean = 9.3, median = 8, mode = 13 • mean = 8.5, median = 10, mode = 13 • mean = 9.3, median = 10, mode = 13 • mean

asked by Sandra on May 15, 2014
52. ## ALGEBRA

Find the mean, median, and mode of the data set. Round to the nearest tenth. 15, 13, 9, 9, 7, 1, 11, 10, 13, 1, 13 (1 point) • mean = 9.3, median = 8, mode = 13 • mean = 8.5, median = 10, mode = 13 • mean = 9.3, median = 10, mode = 13 • mean = 8.5,

asked by Sandra on May 15, 2014
53. ## Synonym

Hey, posted a question earlier regarding a synonym for 'pantheon'. To clarify, I'm talking about the collection of gods in a religion. Ie, the Egyptian pantheon which contained gods such as Hapy, Horus and Ra. I'm not talking about pantheism (the belief

asked by Em on June 2, 2011

A container is fitted with a movable piston of negligible mass and radius r = 0.061 m. Inside the container is liquid water in equilibrium with its vapor, as the drawing shows. The piston remains stationary with a 120-kg block on top of it. The air

asked by Anonymous on November 24, 2010
55. ## Differential equation

A first order linear equation in the form y′+p(x)y=f(x) can be solved by finding an integrating factor μ(x)=exp(∫p(x)dx) (1) Given the equation (x+4)^2y′+5(x+4)y=16 find μ(x)= I found it to be e^(5ln(x+4))which is correct** (2) Then an explicit

asked by Joe on June 15, 2015
56. ## Chemistry-Dr. Bob

I posted this response under your answer but I thought I would repeat it here just in case you didn't look back at the other one. I really appreciate you helping. When you go to science geek, you have to type in Shockwave/Titration to get the experiment.

asked by Shelley on May 12, 2010
57. ## physics

We consider a man of mass m = 85 kg as shown in the figure below using crutches. The crutches each make an angle of è = 26o with the vertical. Half of the person's weight is supported by the crutches, the other half is supported by the normal forces

asked by m2a on September 27, 2009
58. ## physics need help

A parallel-plate capacitor made of circular plates of radius 55 cm separated by 0.25 cm is charged to a potential difference of 1000 Volts by a battery. Then a sheet of tantalum pentoxide is pushed between the plates, completely filling the gap between

asked by paul on January 29, 2010
59. ## a bit challenging for me

i got a planning and design lab to do this is the scenario You are give an OR gate which registers 1, when the voltage is +5 volts or greater. Use this gate to determine the frequency of a voltage supply of peak voltage +5V. i don't know what to do..is it

asked by Physics_freak on February 10, 2008
60. ## calculus

my circular swimming pool has a 29 foot diameter and is 8 feet tall. at the beginning of the summer i need to fill the pool with water. the flow rate from my spigot into the pool is about 0.75 cubic feet per minute. how fast is the water level, h, rising

asked by Mindy on October 16, 2011
61. ## physics

A motorist drives along a straight road at a constant speed of 15.0 m/s. Just as she passes a parked motorcycle police officer, the officer starts to accelerate at 2.00 m/s2 to overtake her. Assuming the officer maintains this acceleration, (a) determine

asked by LeRon on April 4, 2010
62. ## french

ok my assignment is find a french music video and put speach bubbles in the video and also explain the meaning of the video. ok my music video is "Juste Une Photo de Toi" and i got the speech bubbles working but i don't know what the video mean. here what

asked by neeedhelpp on February 21, 2011
63. ## PHYSICS

Ms. Anderson shoots an arrow straight up into the air. The arrow leaves her bow at 1.2[m] above ground, and reaches a height of 95 feet above ground. It then falls down and penetrates 14 inches into the ground. Find: a) The velocity of the arrow just

asked by Ashley on January 28, 2013
64. ## Physics

Mr. Anderson shoots an arrow straight up into the air. The arrow leaves her bow at 1.2[m] above ground, and reaches a height of 95 feet above ground. It then falls down and penetrates 14 inches into the ground. Find: a) The velocity of the arrow just

asked by Ashley on January 28, 2013
65. ## statistics

The grades on the final examination given in a large organic chemistry class are normally distributed with a mean of 72 and a standard deviation of 8. The instructor of this class wants to assign an “A” grade to the top 10% of the scores, a “B”

asked by Sarah on March 24, 2013
66. ## Physics!

Ms. Anderson shoots an arrow straight up into the air. The arrow leaves her bow at 1.2[m] above ground, and reaches a height of 95 feet above ground. It then falls down and penetrates 14 inches into the ground. Find: a) The velocity of the arrow just

asked by Ashley on January 28, 2013
67. ## Math

Charlie is late for the hot-air balloon rally. He stops his car 65 meters from a hot-air balloon already in flight. While Charlie watches the balloon ascend, he tilts his eyes up from 28º until he is watching at an angle of elevation of 66º. Find the

asked by TeeKay on October 6, 2014
68. ## physics-RC Circuit

We had to do a RC Circuit experiment in the lab one step in the procedure goes as follows: Record the time needed to discharge a capacitor from 10.0 V to 9,8,7,6,5,4,3, and 2 V. Repeat once. The QUESTION BEING ASKED IS: Can you find the time to discharge

asked by Damon on August 10, 2007

Hi can someone check my answer. I'm not sure why the computer keeps marking it wrong. **Suppose a random sample of size 50 is selected from a population with σ = 10. Find the value of the standard error of the mean in each of the following cases (use the

asked by Jen on June 16, 2014
70. ## Chemistry 2

Styrene, C8H8, is one of the substances used in the production of synthetic rubber. When styrene burns in oxygen to form carbon dioxide and liquid water under standard-state conditions at 25°C, 42.62 kJ are released per gram of styrene. Find the standard

asked by Nick on February 6, 2011
71. ## physics help

The femur is a bone in the leg whose minimum cross-sectional area is about 3.60 10-4 m2. A compressional force in excess of 6.90 104 N will fracture this bone. (a) Find the maximum stress that this bone can withstand. (b) What is the strain that exists

asked by yoni on November 16, 2010
72. ## Chemistry

I don't know if i am solving for the number moles of NaI correctly, i multiply .21 by 1.67, is that incorrect? i know that to solve this you have to find the limiting reagent, but i think the problem might be that i am solving for moles wrong. If 210 mL of

asked by Tokey on April 20, 2010
73. ## Programs and Services

Which of the following is a good strategy to help increase parent involvement in the IEP process? A. Use plenty of jargon during IEP meetings. B. Give parents the opportunity to observe their child at school to increase their competence. C. Explain that

asked by Diana on November 18, 2018
74. ## Social Studies

I have an assignment that im retaking and it's to find a current news article that takes place in an ancient land. The assignment says to choose a current news story about iraq, egypt isreal or palestine. And I have to write a 5 paragraph essay about how

asked by (Not telling) on January 10, 2017
75. ## math

If I am making a map that has a distance of 200 mm, and the actual distance is 700m. How do I find the calculations to know how much each mm is? You can set up a proportion with x being the number of meters represented by each mm. 200 mm / 700 m = 1 mm / x

asked by amanda on June 25, 2007
76. ## Math

I have no clue what to do on these questions. 1.Two resistors a and b are connected in parallel. The total resistance R in such a circuit is found by formula R= 1/a + 1/b. If R=5/6 ohms and b is one more ohm than a, find the number of ohms in a and b. 2.

asked by Melinda on January 10, 2012
77. ## Physics

Can someone explain to me how I'd draw this problem and what the resultant vector should be as well as the placements of the angles if possible? A pilot must fly his plane to a town which is 200km from his starting point in a direction 30degrees N of E. He

asked by Anonymous on March 2, 2008
78. ## mitx 8.01x Classical Mechanics

Mary wants to throw a can straight up into the air and then hit it with a second can. She wants the collision to occur at height h=5.0 m above the throw point. In addition, s/he knows that she needs t1=3.0 s between successive throws. Assuming that s/he

asked by youlife on September 10, 2013
79. ## Probability

I have this question that's bugging me and will be grateful if someone can show me the caliculations also so that I can do others on my own bat. "David Brain, CEO of ACME STAINELSS STEEL INC, has appointed you as an environmental consultant to assess the

asked by Daniel on October 30, 2006

Styrene, C8H8, is one of the substances used in the production of synthetic rubber. When styrene burns in oxygen to form carbon dioxide and liquid water under standard-state conditions at 25°C, 42.62 kJ are released per gram of styrene. Find the standard

asked by Jazmin on October 17, 2010
81. ## Math

Mr. Smith bought shoes for \$ 120 and a suit for \$ 340. Find the total cost including tax if the tax rate is 5.5%. (a)\$ 485.30 (b)\$ 48.53 (c)\$ 358.70 (d)\$ 460 (e)\$ 406 I cant figure out how to solve this problem but what i did was added the 120 and 340 and

asked by Raymond on September 18, 2011
82. ## PHYSICSSSS

A train engine pulls out of a station along a straight horizontal track with five identical freight cars behind it, each of which weighs 88.0 kN. The train reaches a speed of 13.0 m/s within 6.50 min of starting out. Assuming the engine pulls with a

asked by Anonymous on February 12, 2012
83. ## AP Physics

Three blocks of masses 8.2 kg, 5.88 kg, and 2.19 kg are connected by light strings that pass over frictionless pulleys as shown in the ﬁgure. The acceleration of the 5.88 kg block is 2.18 m/s 2 to the left and the surfaces are rough. The acceleration of

asked by . on February 5, 2012

A train engine pulls out of a station along a straight horizontal track with five identical freight cars behind it, each of which weighs 88.0 kN. The train reaches a speed of 13.0 m/s within 6.50 min of starting out. Assuming the engine pulls with a

asked by Anonymous on February 12, 2012
85. ## math

Students at an elementary school are given a questionnaire that they are required to return after their parents have completed it. One of the questions asked is, "Do you find that your work schedule makes it difficult for you to spend time with your kids

asked by Duran on January 13, 2017
86. ## physics

5kg particle is attaced at arim of arotating wheel of radius 2m. the wheel completes each revolution in 3seconds. The total moment of inertia of the sysem(I particle+I wheel) is 2kg.msquare) find A, Determine the rotational kinetic energy of the system? B,

asked by cheru on November 14, 2015
87. ## physics

The Pacific Crest Trail runs from the Mexican border to the Canadian border through California, Oregon, and Washington,covering 2650 miles of trail, but only about 1000 straight-line miles. B).If you hike this trail in 14.0 weeks, from Mexico to

asked by mely on January 26, 2011
88. ## Physics

Philadelphia Flyers player Mike Richards stands on the frictionless ice next to the goal. Neither Mike nor the goal are anchored to the ice. Frustrated after a recent playoff loss, 102.5kg Mike suddenly pushes on the goal, sending it across the ice a

asked by Sarah on April 29, 2012
89. ## Maths

There are x no of 5 rupee coins and the no. of 2 rupee coins is 3 times more than the no of 5 rupee coins. Their total sum=₹77. Find the number of ₹2 coins and ₹5 coins.

asked by Akshat on April 26, 2017
90. ## Linear equations in 1 variable

There are x no of 5 rupee coins and the no. of 2 rupee coins is 3 times more than the no of 5 rupee coins. Their total sum=₹77. Find the number of ₹2 coins and ₹5 coins.

asked by Sailikhit on July 23, 2016
91. ## Geometry

Angle C and Angle D are supplementary angles. If the measure of Angle D is nine less than twice the measure of Angle C, find the measure of Angle D. PLEASE HELP!!! I have no idea where to even start!

asked by Jay on January 29, 2017
92. ## Math

Angle 3 and angle 4 form a linear pair. The measure of angle 3 is four more than three times the measure of angle 4. Find the measure of each angle.

asked by Melea on August 22, 2011
93. ## Math

Find the measure of two complementary angles if the measure of one angle is 5/8 the measure of the other. What is the measure of the larger angle? What is the measure of the smaller angle?

asked by Anonymous on March 10, 2018
94. ## trig

Find the other endpoint of the line segment with the given endpoint and mid point. 1. Endpoint:(-1, 9), midpoint: (-9, -10) 2. Endpoint: (2, 5), midpoint: (5, 1) 3. Endpoint:(9, -10), midpoint: (4, 8)

asked by drew on March 28, 2012
95. ## geometry

angle d and e for linear pair and measure of angle e equal 3m angle d find the measure of each angle and the measure of the complement of angle d

asked by sue-ann on October 16, 2011
96. ## Math Help? Check my answers.

1. A spinner is divided into 10 equal sections numbered from 0 to 10. You spin the spinner once. What is P(divisible by 3)? 1/3 1/2 2/5 3/10** 2. A bag contains 7 green marbles, 9 red marbles, 10 orange marbles, 5 brown marbles, and 10 blue marbles. You

asked by Allison on April 9, 2014
97. ## physics

Near San Francisco, where the vertically downward component of the earth's magnetic field is 4.7 10-5 T, a car is traveling forward at 26 m/s. The width of the car is 1.7 m. (a) Find the emf induced between the two sides of the car. V (b) Which side of the

asked by purplegoddess on March 22, 2013
98. ## math,correction,plz

asked by jas20 on March 10, 2007
99. ## PreCalculus

How do you find the probability of three events happening at the same time? Please walk me through the steps. If you are in ship and get hit by lightning the probability is 1/100000. And the probability of falling down into the ocean and getting eaten by a

asked by Emma on July 30, 2014
100. ## physics

trying to study but stuck on this problem. Two particles, with identical positive charges and a separation of 2.34 x 10-2 m, are released from rest. Immediately after the release, particle 1 has an acceleration a1 whose magnitude is 6.75 x 103 m/s2, while

asked by antonio on October 2, 2012