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

97,722 questions, page 235-
## Geometry

Ok Dr. Russ helped me find one part of the question, but I still can't figure out the values of x that maximizes volume = in. Any help is appreciated. Thanks On a rectangular piece of cardboard with perimeter 11 inches, three parallel and equally spaced

*asked by Valerie on January 21, 2011* -
## physics

hi,need help please.thank. A car is designed to get its energy from a rotating flywheel (solid disk) with a radius of 2.00 m and a mass of 525 kg. Before a trip, the flywheel is attached to an electric motor, which brings the flywheel's rotational speed up

*asked by Chan on November 22, 2009* -
## physics

A car is designed to get its energy from a rotating flywheel (solid disk) with a radius of 1.00 m and a mass of 600 kg. Before a trip, the flywheel is attached to an electric motor, which brings the flywheel's rotational speed up to 4,000 rev/min. (a) Find

*asked by heather on December 2, 2012* -
## physics

A car is designed to get its energy from a rotating flywheel (solid disk) with a radius of 1.00 m and a mass of 600 kg. Before a trip, the flywheel is attached to an electric motor, which brings the flywheel's rotational speed up to 4,000 rev/min. (a) Find

*asked by monic on November 30, 2012* -
## Physics

One mole of tungsten has a mass of 184 grams, and its density is 19.3 grams per cubic centimeter, so the center-to-center distance between atoms is 2.51×10-10 m. You have a long thin bar of tungsten, 2.2 m long, with a square cross-section 0.16 cm on a

*asked by Amelie on February 25, 2011* -
## English

Please check my answer. I'm not sure which is right because I'm pretty sure every father feels the need to do all of the below. Read the following sentence from "No Dogs Bark." "I'll get you to Tonaya. There I'll find somebody to take care of you. They say

*asked by jaycee on September 15, 2014* -
## Physics

Multiple-Concept Example 3 provides some pertinent background for this problem. Suppose a single electron orbits about a nucleus containing two protons (+2e), as would be the case for a helium atom from which one of the naturally occuring electrons is

*asked by Sarah on February 11, 2009* -
## physics.

Multiple-Concept Example 3 provides some pertinent background for this problem. Suppose a single electron orbits about a nucleus containing two protons (+2e), as would be the case for a helium atom from which one of the naturally occuring electrons is

*asked by Jordan on February 11, 2009* -
## PLZZ HELP ME WITH THIS MATH MS SUE.

4. For the pair of similar solids, find the value of the variable. cylinders (1 point) 3 cm 18 cm 16 cm** 2 cm 5. For the pair of similar solids, find the value of the variable. pyramids (1 point) 12 mm 48 mm** 20 mm 3 mm ARE THESE CORRECT?

*asked by josh on March 12, 2014* -
## Trigonometry

I need help on both of these... Find the exact value of cotx if the terminal side of angle x contains the point (-5,-12). Find the exact value of secx for angle x that has a terminal side containing the point (-1,squareroot3)

*asked by james on October 2, 2012* -
## computer science

). Find the median of the numbers in the array, and output the result. Use a subprogram to input the numbers, a function to find the median, and a subprogram to output the result.

*asked by Anonymous on March 5, 2013* -
## math

(a)Given the points P(3,5),Q(8,10)and R(8,0),find the equation of a line which is perpendicular to QR and passes through the mid point of QR. (b)The line 2x+3y=2 and 7x-3y=10 intersect at A . Find the equation of the line which passes through A and is

*asked by JOJO on June 5, 2013* -
## social history hs (poverty)

I can't seem to find a good website on the history of child poverty in america. I couldn't really find a good enough website that discusses the history of poverty in america. can you help me?

*asked by taylor on October 7, 2010* -
## math

Find the slope of a line that is parallel to the line containing the points (3, 4) and (2, 6). (1 point) m = 1 m = 2 m = –2 m = one-half*** 8. Find the slope of a line that is perpendicular to the line containing the points (–2, –1) and (2, –3). (1

*asked by Reb on February 23, 2019* -
## maths

A circular pond is surrounded by a 2 m wide circular path. If outer circumference of circular path is 44 m, find the inner circumference of the circular path. Also find area of the path.

*asked by raghav on December 2, 2016* -
## Physics Classical Mechanics

A person of mass m2= 85.0 kg is standing on a rung, one third of the way up a ladder of length d= 4.0 m. The mass of the ladder is m1= 15.0 kg, uniformly distributed. The ladder is initially inclined at an angle θ= 40.0∘ with respect to the horizontal.

*asked by Robert on December 12, 2013* -
## physics

1. A 10.0 g object moving to the right at 25.0 cm/s makes an elastic head-on collision with a 15.0 g object moving in the opposite direction at 36.0 cm/s. Find the velocity of each object after the collision. 10.0 g object: 15.0g object: 2. A dentist's

*asked by Elisa on July 7, 2008* -
## physics

An air-track cart with mass m=0.20kg and speed v0=1.5m/s approaches two other carts that are at rest and have masses 2m and 3m, as indicated in (Figure 1) . The carts have bumpers that make all the collisions elastic. Find the final speed of cart 1,

*asked by alex on April 18, 2017* -
## Physics

An air-track cart with mass m=0.20kg and speed v0=1.5m/s approaches two other carts that are at rest and have masses 2m and 3m, as indicated in (Figure 1) . The carts have bumpers that make all the collisions elastic. Find the final speed of cart 1,

*asked by Remy on November 10, 2017* -
## statistics

SAT scores are normally distributed. The SAT in English has a mean score of 500 and a standard deviation of 100. a. Find the probability that a randomly selected student's score on the English part of the SAT is between 400 and 675. b. What is the minimum

*asked by Joanne on August 4, 2008* -
## Math Help

1. Parallelogram PARL~ parallelogram WXYZ. Find the value of c. Parallelogram 1 has P n the bottom left corner, A on the left top, R on the right top, L on the right bottom. Parallelogram 2 has W on the bottom left corner, X on the left top, Y on the right

*asked by callie on November 20, 2014* -
## English

1. When did master lose Chuchu? 2. Master lost Chuchu when they went out for a walk. 3. You must be master of your circumstances. --------------------------------- #2 is the answer to the question 1. Will you look at the word 'master'? There is no article

*asked by rfvv on June 13, 2016* -
## statistics

For classes of 273 students, find the mean and standard deviation for the number born on the 4th of July, Ignore leap years. For a class or 273 students, would two be an unusually high number who were born on the 4th of July? I don't know how to find how

*asked by slomomo on February 27, 2015* -
## math 107

Use the following diagram of a flowerbed of petunias to answer the following questions. This diagram is a rectangle with ½ a circle on each end. The circle diameter is 22 feet, while the length of the rectangle is 60 feet. If you draw an X in the middle

*asked by kristie on February 23, 2015* -
## statistics

Suppose that the percentage returns for a given year for all stocks listed on the new york stock exchange are approximately normally distributed with a mean of 12.4 percent and a standard deviation of 20.6 percent. Consider drawing a random sample of n=5

*asked by ileana on November 9, 2009* -
## maths

3. An elastic string hangs from a nail N. When as mass of m grams is attached to its lower end, the elastic is stretched so that its lower length is x cm, as shown in the diagram: N The table shows result of the two experiments: Length (x cm) 43 49 Mass (m

*asked by puk on February 9, 2012* -
## Gr 12 Advanced Functions

The boy decides to ride the Terror Tower. At its maximum height, the ride reaches 65 m above the ground. When the boy reaches the top of the tower, his gum falls out of his mouth. The height of the gum can be given by the mathematical model h(t) = 65 -

*asked by Sameer on July 30, 2017* -
## physics

Two cars are on a collision course. One is going right 18 m/s and has a mass of 860kg. The other is going left at 24 m/s and has a mass of 840 kg. 1. Find the total initial momentum of the two cars For this question I did first car: 860(18) = 15480 second

*asked by Anonymous on October 15, 2017* -
## mass percent

Suppose 22.93mL of KMnO4 solution used in the question above (KMnO4 solution in above question had concentration of 0.02036M)are needed to oxidize Fe(2+) to Fe(3+) in a 0.4927g pill. What is the mass percent of FeSO4*7H2O (molar mass 278.03g/mol) in the

*asked by Meso on May 22, 2011* -
## Physics

An electron passes location , and 4 μs later is de- tected at location . Find the average velocity of the elecron: ¯v = If the electron continues to travel at this av- erage velocity, find where it will be in another 9 μs : ~d = Answer in units of m

*asked by NADIA on January 19, 2014* -
## Calculus check and help

Let R be the region bounded by the curves y=lnx^2 and y=x^2-4 to the right of the y-axis. A. Find the area of R. B. Find the folume geneated when R is rotated about the line y=-4. C. Write, but do not evaluate the integral expression that gives the volume

*asked by Anonymous on April 16, 2015* -
## physic

Does anybody know how I can find the mass of the electron for this question. I need to find it first to solve for the real one but don't see mass anywhere in the question.I see radiant and speed but no mass The radius of circular electron orbits in the

*asked by joy on February 16, 2018* -
## Geometry about the circles

1. Ab is a chord of a circle with center o and radius 52 cm . point m divides the chord ab such that am = 63 cm and mb=33 cm find om 2. A circle is inscribed in a triangle whose sides are 10, 10 and 12 units . a second smaller circle is inscribed tangent

*asked by Talon on December 9, 2013* -
## College Math

An object is projected vertically upward with an initial velocity of v0 ft/sec, and its distance s(t) in feet above the ground after t seconds is given by the formula s(t) = −16t^2 + v0t. (a) If the object hits the ground after 8 seconds, find its

*asked by Kyle on November 10, 2014* -
## Geometry about the circles

1. Ab is a chord of a circle with center o and radius 52 cm . point m divides the chord ab such that am = 63 cm and mb=33 cm find om 2. A circle is inscribed in a triangle whose sides are 10, 10 and 12 units . a second smaller circle is inscribed tangent

*asked by Talon on December 10, 2013* -
## physics

You're sailboarding at 6.1m/s when a wind gust hits, lasting 6.8s accelerating your board at 0.49m/s2 at a 35∘ to your original direction. 1. Find the magnitude of your displacement during the gust. Express your answer using two significant figures. 2.

*asked by Anonymous on January 18, 2015* -
## GEOMETRY CIRCLES

1. Ab is a chord of a circle with center o and radius 52 cm . point m divides the chord ab such that am = 63 cm and mb=33 cm find om 2. A circle is inscribed in a triangle whose sides are 10, 10 and 12 units . a second smaller circle is inscribed tangent

*asked by Talon on December 10, 2013* -
## Physics

A uniform 34.5-kg beam of length = 4.95 m is supported by a vertical rope located d = 1.20 m from its left end as in the figure below. The right end of the beam is supported by a vertical column. a) Find the tension in the rope. b) Find the force the

*asked by Alex Baker on November 7, 2012* -
## Maths

AB is a chord with centre O and radius 4 cm. AB is of length 4 cm and divides the circle into two segments. Find d area of minor segment. A chord PQ of length 12cm suntends an angle of 120 degree at the centre of a circle. Find the area of minor segment

*asked by Shruti katiyar on December 26, 2012* -
## physics

You're sailboarding at 6.1m/s when a wind gust hits, lasting 6.8s accelerating your board at 0.49m/s2 at a 35∘ to your original direction. 1. Find the magnitude of your displacement during the gust. Express your answer using two significant figures. 2.

*asked by Anonymous on January 18, 2015* -
## Intro T Electrical Engineering

A solid metal sphere with radius 0.430{\rm m} carries a net charge of 0.210{\rm nC} . Find the magnitude of the electric field at a point 0.112{\rm m} outside the surface of the sphere. Find the magnitude of the electric field at a point inside the sphere,

*asked by Habib. L on September 18, 2012* -
## PHYSICS

Two dogs pull horizontally on ropes attached to a post; the angle between the ropes is 62.0∘. Dog A exerts a force of 270N , and dog B exerts a force of 302N . Find the magnitude of the resultant force. Find the angle the resultant force makes with the

*asked by JADE on August 10, 2014* -
## Physics

Two dogs pull horizontally on ropes attached to a post; the angle between the ropes is 66.0∘. Dog A exerts a force of 278N , and dog B exerts a force of 324N . =Find the magnitude of the resultant force. =Find the angle the resultant force makes with the

*asked by maria on March 9, 2014* -
## geometry

For problems 7 and 8, find the magnitude and direction angle of the given vector. 7. A magnitude: 5; direction angle: 53.13° B magnitude: √ 5; direction angle: 53.13° C magnitude: √5; direction angle: 3.40° D magnitude: √5; direction angle: 0.80°

*asked by Cam on December 14, 2011* -
## Probability

We have k coins. The probability of Heads is the same for each coin and is the realized value q of a random variable Q that is uniformly distributed on [0,1]. We assume that conditioned on Q=q, all coin tosses are independent. Let Ti be the number of

*asked by A on April 3, 2014* -
## Math

1) The hypotenuse of an isosceles right triangle is 8 cm longer than either of its legs. Note that an isosceles right triangle is a right triangle whose legs are the same length. Find the exact length of its legs and its hypotenuse. 2) The length of a

*asked by Aaron on November 18, 2013* -
## math

I can't seem to figure this out. It is for my study guide. Please help. The length of a rectangle is 5 feet less than twice the width. The area is 25 sq feet. Using w as the variable, write an equation that can be used to calculate the width. Then find

*asked by Matt on January 23, 2014* -
## Physics

A machine carries a 3.0 kg package from an initial position of di = (0.50 m) + (0.75 m) + (0.20 m) at t = 0 to a final position of df = (7.30 m) + (11.0 m) + (7.20 m) at t = 14 s. The constant force applied by the machine on the package is F = (2.00 N) +

*asked by Gina on July 22, 2010* -
## Orgo chem

I have to find the boiling point of an unknown from a distillation experiment. The boiling ranges from 88.0 degrees Celsius to 94 degrees Celsius How can you find the boiling point when the points are graphed? Three of the points are the same (94 degrees)

*asked by Taylor on October 26, 2009* -
## Math-Statistics

Assume that 60% of community college students are female. 1) If we pick 10 students at random justify why we can or cannot model this using a normal model. 2) Find the probability that 8 of the 10 students selected are female. 3) Find the probability that

*asked by Jose on April 8, 2013* -
## PHYSICS!

A 0.15 kg ball of dough is thrown straight up into the air with an initial velocity of 13 m/s. (a) Find the momentum of the of dough at its maximum height. kg·m/s upward (b) Find the momentum of the ball of dough halfway to its maximum height on the way

*asked by britt on April 25, 2010* -
## Chemistry

Fool's gold is not gold at all but only lead IV sulfide. If you have 751.0 grams of lead how many grams of fool's gold can you make? Ans: Pb+2S->PbS2 Given * (1/amu of given) * (mol of find/mol of given) * (amu of find/1mol)

*asked by Maria on November 18, 2012* -
## math

a particle starts at time t = 0 and moves along the x - axis so that its position at any time t is greater than or equal to zero is given x(t) = (t-1)^3(2t-3) A. Find the velocity of the particle at any time t greater than or equal to 0. B. For what values

*asked by Joe on November 15, 2012* -
## Alg2/Trig

Find the exact value of the trigonometric function given that sin u = 5/13 and cos v = -3/5. (Both u and v are in Quadrant II.) Find csc(u-v). First of all, I drew the triangles of u and v. Also, I know the formula of sin(u-v) is sin u * cos v - cos u *

*asked by Vincent on June 4, 2009* -
## Physics

A machine carries a 4.5 kg package from an initial position of di = (0.50 m) + (0.75 m) + (0.20 m) at t = 0 to a final position of df = (7.60 m) + (12.0 m) + (7.30 m) at t = 11 s. The constant force applied by the machine on the package is F = (2.00 N) +

*asked by Ben on July 22, 2010* -
## Grammar

Dangling Modifiers If your baby does not like cold apple juice, it should be heated. Your answer: 1. If your baby does not like cold apple juice you should heat it. Dangling Modifiers When they are fresh, eating oranges can often keep away the cold virus.

*asked by Anonymous on September 24, 2007* -
## Art

The lighthouse at honfleur by Georges Seurat To create this lighthouse scene, the artist A. used organic shapes to create the boat** B. used geometric shapes to create the lighthouse and the buildings C. could not reference recongnizable shapes to create

*asked by Destiny on October 3, 2017* -
## Calculus

A deposit of $1000 is made at the beginning of each month in an account at an annual interest rate of 3% compounded monthly. The balance in the account after n months is An = 1,000(401)(1.0025^n - 1). (a) Compute the first six terms of the sequence {An}.

*asked by Jenny on February 11, 2013* -
## chemistry

At equilibrium, a solution of formic acid at 25°C has a pH of 2.18. The pKa of formic acid, HCOOH, is 3.74. Which of the following is the initial concentration of the solution? Not sure what to do my thoughts: use henderson hasselback equation pH = pKa +

*asked by James on June 8, 2016* -
## computer science

I have to write a program in java that prompts and reads the size of a table (assume the table is math square table), and plotting number and star as the following pattern in the output. For example: when reading size = 4, the table in the output should

*asked by sarah on October 15, 2018* -
## Algebra 2

Need help on the #13-20. 13. What is the quotient of d − 2 ) d 4 − 6d 3 + d + 17 __________________ ? A. d 3 − 4d 2 − 8d − 15 R −13 B. d 3 − 8d 2 + 16d − 31 R 79 C. d 3 − 4d 2 + 9d + 35 D. d 3 − 8d 2 + 17d − 17 14. What is the sum of

*asked by Emily on December 6, 2010* -
## ryan

You propose to build a space ship that allows the entire population of the United States (280 million) to leave earth. Your plans allocate an average space of 1,000(=10*10*10) cubic feet to each person. You space ship is going to have the shape of a

*asked by math word problem on October 8, 2010* -
## please HELP

From a ship, two lighthouses can be seen bearing N 40 degrees E. After the ship sails at 15 knots on a course of 135 degrees for an hour and 20 mins, the two lighthouses now has a bearing of 10 degrees and 345 degrees. a) Find the distance of the ship from

*asked by rhinechilde on September 9, 2014* -
## calculus

Consider the function f(x) = 1/x on the interval [ 4 , 11 ]. (A) Find the average or mean slope of the function on this interval. Average Slope = (B) By the Mean Value Theorem, we know there exists a c in the open interval ( 4 , 11 ) such that f'( c) is

*asked by sze on January 26, 2018* -
## Physics

A 93 kg clock initially at rest on a horizontal floor requires a 614 N horizontal force to set it in motion. After the clock is in motion, a horizontal force of 510 N keeps it moving with a constant velocity. Find μs between the clock and the floor. Find

*asked by Josh Templin on January 12, 2013* -
## trigonometry- please help

From a ship, two lighthouses can be seen bearing N 40 degrees E. After the ship sails at 15 knots on a course of 135 degrees for an hour and 20 mins, the two lighthouses now has a bearing of 10 degrees and 345 degrees. a) Find the distance of the ship from

*asked by rhinechilde on September 9, 2014* -
## statiatics- central tendency

The Frequency distribution of a histogram is the following scores: X F 1 1 2 1 3 2 4 1 1) what is the total area in the histogram? 2) what is half the area in the histogram? 3) Assume that the scores are measurements of a discrete variable. Find the

*asked by Aurora on September 15, 2014* -
## physics

A 86 kg clock initially at rest on a horizontal floor requires a 649 N horizontal force to set it in motion. After the clock is in motion, a horizontal force of 517 N keeps it moving with a constant velocity. (a) Find μs between the clock and the floor.

*asked by mary on November 11, 2011* -
## Math check

The number of ships to arrive at a harbor on any given day is a random variable represented by x. The probability distribution of x is as follows. (Give your answers correct to two decimal places.) x 10 11 12 13 14 P(x) 0.37 0.09 0.05 0.14 0.35 (a) Find

*asked by Nora 55 on June 2, 2013* -
## ALGERBRA

IF YOU ARE DEALT 5 CARDS FROM A SHUFFLED DECK OF 52 CARDS, FIND THE PROBABILITY THAT ALL 5 CARDS ARE HEARTS. FIND THE PROBABILITY THAT 4 CARDS ARE HEARTS.

*asked by JOHN DUNN on June 13, 2014* -
## computer science

1.Two supplementary angles differ by 44 degrees. Find The answer? 2.Two complementary angles differ by 9 degrees. Find the answer?

*asked by anajan on August 20, 2012* -
## Calculus

Find the inner product of and if = 3, 0, –1 and = 4, –2, 5, and state whether the vectors are perpendicular. 30. Find the inner product of and if and , and state whether the vectors are perpendicular. Please help !! i am so confused and lost.

*asked by horre on September 10, 2012* -
## Cal

Find the equation of the line containing (7,11) and parallel to y=6. Find the equation of the line having x-intercept of 5 and y-intercept of -5. I know that y=mx+b, b=y-mx, and parallel lines have the same slope

*asked by Britt on December 8, 2007* -
## Calculus

a)Find the number a such that the line x = a bisects the area under the curve y= 1/x^2, 1

*asked by Sandy on January 25, 2014* -
## Math

For the given point and line, find by projection the point on the line that is closest to the given point and use perp to find the distance from the point to the line. P (3,-5) line: x = (2,-4)+t(3,-4)

*asked by Wes on September 25, 2014* -
## math

Find two positive decimals a and b that make the following statement true. Then find two positive decimals a and b that make the statement false. If a < 1 and b < 1, then a ÷ b < 1.

*asked by Anonymous on October 13, 2014* -
## Probability

Consider a sequence of independent tosses of a biased coin at times k=0,1,2,…,n. On each toss, the probability of Heads is p, and the probability of Tails is 1−p. A reward of one unit is given at time k, for k∈{1,2,…,n}, if the toss at time k

*asked by qwerty on February 25, 2015* -
## please check

Please check focusing on the grammar area specified in the left column. The Sentence following the grammar area is the sentence in question. 1.Dangling Modidiers - If your baby does not like cold apple juice, it should be heated. My Answer: If your baby

*asked by marie on August 23, 2007* -
## Math essay

Can you please proofread my essay? My teacher is grading on accuracy, quality, correct spelling and grammar. The History of Mathematics As of today, there are plenty of new developments in the area of Mathematics. In at least some Mathematics courses, it

*asked by Soly on November 27, 2007* -
## physics

A rifle aimed horizontally at a target fired a bullet which lands 2 cm below the aim point. If the rifle was 25 m away find a) the flight time and b) the velocity with which the bullet left the rifle. I would first have to convert the 2 cm into m but what

*asked by Jenny on November 2, 2006* -
## Math Word Problem

At 6am a few bacteria fall into a can of syrup in a broken garbage bag. The conditions of warmth, moisture, and food are perfect for growth and the population doubles every 20 minutes. By 6pm the bacteria are overcrowded and dry and their food is gone.At

*asked by George on November 9, 2008* -
## math 115

The following scores were recorded on a 200-point final examination: 193, 185, 163, 186, 192, 135, 158, 174, 188, 172, 168, 183, 195, 165, 183. (a) Find the mean final examination score. (b) Find the median final examination score. (c) Is the mean or

*asked by Sam on May 27, 2008* -
## Math 115 8.1 #36

The following scores were recorded on a 200-point final examination: 193, 185, 163, 186, 192, 135, 158, 174, 188, 172, 168, 183, 195, 165, 183. (a) Find the mean final examination score. (b) Find the median final examination score. (c) Is the mean or

*asked by Deb on December 18, 2008* -
## chemistry

if my reaction is 2Na + 2H2O -> 2NaOH +H2, and i have been given 1 gram of sodium, how would i measure the theoretical change in heat of the reaction, assuming the reactants are at room temperature? Look in your text, probably in the appendix, for delta H0

*asked by Karn on October 28, 2006* -
## math

List the ages of two people in your life, one older than you and one younger than you. It would be best if the younger person was 15 years of age or younger. Find the prime factorizations of your age and the other two persons’ ages. Show your work listed

*asked by ashford university on June 27, 2011* -
## Physics

A photon of energy E strikes an electron at rest undergoes pair production, producing a positive electron(positron) and an electron, photon+electron produce positron+electron+electron The two electrons and the positron move off with identical momenta in

*asked by Abby on March 22, 2011* -
## calc

for the parametric curve defined by x=3-2t^2 and y=5-2t ...sketch the curve using the parametric equation to plot of the point. use an arrow to indicate the direction of the curve for o

*asked by kelly on April 17, 2007* -
## Math

Mr. Jenkins is going to buy museum tickets for a class trip. The museum director quotes him the following prices: • 20 tickets cost a total of $250. • 30 tickets cost a total of $375. • 50 tickets cost a total of $625. a. Based on these prices, is

*asked by Anonymous on January 14, 2015* -
## science

http://images.google.com/images?as_q=&hl=en&gbv=2&output=images&svnum=10&btnG=Google+Search&as_epq=homogeneous+mixture&as_oq=&as_eq=&imgsz=&as_filetype=&imgc=&as_sitesearch=&safe=images

*asked by Lance on May 21, 2007* -
## MATHS

HI linear equation help please... I have plotted known numbers into an excel spreadsheet and it shows the formula as: I am struggling to find the answer to x..?? could you go through it step by step please.....am trying to find ppm of a concentration of

*asked by ANDREW on March 23, 2018* -
## Physics for Engineers

A playground is on the flat roof of a city school, 5.2 m above the street below (see figure). The vertical wall of the building is h = 6.70 m high, forming a 1.5-m-high railing around the playground. A ball has fallen to the street below, and a passerby

*asked by Lauryn on September 14, 2011* -
## CALCULUS MAJOR HELP!!!!!!

Find the volume of the solid obtained by rotating the region bounded y = 16 x and y = 2 x^2 about y =0 Find the volume of the solid obtained by rotating the region bounded about the x-axis by y=4x^2, x =1, and y = 0 Find the volume of the solid generated

*asked by Roni on December 4, 2013* -
## Calculus volume stuff

Find the volume of the solid obtained by rotating the region bounded y = 16 x and y = 2 x^2 about y =0 Find the volume of the solid obtained by rotating the region bounded about the x-axis by y=4x^2, x =1, and y = 0 Find the volume of the solid generated

*asked by Roni on December 4, 2013* -
## MATH!!!!!!

Roger purchases two doughnuts and three cookies at a doughnut shop and is charged $3.30. Sam purchases five doughnuts and two cookies at the same shop for $4.95. All the doughnuts have the same price and all the cookies have the same price. Find the cost

*asked by Megan on May 28, 2007* -
## Math - Algebra

An architect is designing a building in the shape of a rectangular pyramid. The number of windows on each floor forms an arithmetic sequence. There are 76 windows on the 7th floor, 68 on the 8th floor, and 4 on the very last floor Find an explicit formula

*asked by Richard on February 19, 2018* -
## college algebra

At Allied electronics, production has begun on x-15 computer chip. The total revenue function is given by. R(x)=47x-0.3x^2 and the total cost function is given C(x)=8x+16, where x represents the number of boxes of computer chip produced. A. Find the profit

*asked by Anonymous on April 3, 2013* -
## Physics

A 15kg box is given an initial push so that it slides across the floor & comes to a stop. I the coefficient of friction is .30, a) find Ffr- Fg=mg - Fg=15kg(9.8N/kg)=147N Ffr=mu(Fn) - Ffr=.30(147N)=44.1 b) Find the acceleration of the box. Hint: what is

*asked by Kayla on May 1, 2017* -
## Physics

You pull downward with a force of 27 N on a rope that passes over a disk-shaped pulley of mass 1.3 kg and radius 0.075 m. The other end of the rope is attached to a 0.61 kg mass. Find the tension in the rope on both sides of the pulley. I found that the

*asked by Mary on March 21, 2010* -
## college algebra

At Allied electronics, production has begun on x-15 computer chip. The total revenue function is given by. R(x)=47x-0.3x^2 and the total cost function is given C(x)=8x+16, where x represents the number of boxes of computer chip produced. A. Find the profit

*asked by Anonymous on April 3, 2013* -
## Physics

You plan to fly a model airplane of mass 0.655 kg that is attached to a horizontal string. The plane will travel in a horizontal circle of radius 5.50 m. (Assume the weight of the plane is balanced by the upward "lift" force of the air on the wings of the

*asked by Anonymous on December 17, 2014*

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