Calculus (Answer Check)

87,112 results, page 39

Math (check answer plz)

13. A true-false test has 12 questions. What is the probability of guessing the correct answers to all of the questions? (1 point) A: 1 over 4096*******? B: 1 over 144 C: 1 over 24 D: 1 over 14

Chemistry Check

Determine the missing values of deltaH in the diagram shown below ^ | ^ N2O3(g) + 1/2 O2(g) (Enthalpy)| | ^ | | deltaH= +16.02 | | | | | | 2 NO2(g) | | | ^ | |deltaH=? | | | | | | deltaH=?| | | | | | | | N2(g)+202(g) | Answer: Delta H for the right= 66.36 Delta H for the left...

Geometry (Please check my work)

Find the image of O (-2,-1) after two reflections, first across the line y=-5, and then across the line x=1. I believe the answer should be (-1,-6) Can someone please confirm?

biology (check answer)

What is different about every nucleotide of a DNA molecule? a) the deoxyribose sugar b) the phosphate group c) the shape of the molecule d) the nitrogen bases it's the nitrogen bases, am i correct?

Math-- Desperate for help!

Find the amount in an account if $2000 is invested at 6.125%,compounded semi-anually,for 2 years. A. $2,256.49 B. $2,252.50 C. $2,324.89 D. $544,757.84 One of these is the correct answer. I am coming up with (D) 544,757.84 Can you check, because I am probably wrong. You are ...

English

Nine Haikus During a Drought In the dusty lane A frog waits for a puddle To fall from the sky Which form best describes this poem? A. limerick B. Haiku C. Concrete D. Narrative My choice is B. Haiku What about the poem best supports the answer to the previous question? A. It ...

chem/some1 check my work plz.

2NH3(g)+3CuO(s)=N2(g)+3Cu(s)+3H2O(g) if 18.1grams of ammonia reacts with 90.4 grams of copper(II) oxide, which is the limitting reagent?? what is the theorectical yield of nitrogen gasd? if 8.52 g of N2 are formed, what is the % yield of nitrogn gas?? please check if is ...

Math check my answers

I posted this before can someone please check my answers and help me thanks:) 2 rectangles have equal areas determine the area of each rectangle then use this info to determine the perimeter. rectangle one: length of 2p + 3 width of 3.8 after my work i got p= 1.5 so the area ...

French

Could You Please Check These Thanks. Directions: Choose the correct word that completes the sentence. 1. Une pomme et une poire sont des ------------. A. fraises B. légumes C. fruits. Answer: C 2. C'est ------ un kilo de carottes? A. Comment B. Combien C. Un marchand Answer: ...

Geometry

Help? check Line segment AB intersects line segment ED in the middle at the point C If DC=6+x and CE=2x+1, what is the lenth of ED? A. 5 B. 11 C. 22 D. 10 Answer: C Line segment AB intersects line segment ED in the middle at the point C If DC=6+x and CE=2x+1, find the value of...

Geometry

Help? check Line segment AB intersects line segment ED in the middle at the point C If DC=6+x and CE=2x+1, what is the lenth of ED? A. 5 B. 11 C. 22 D. 10 Answer: C Line segment AB intersects line segment ED in the middle at the point C If DC=6+x and CE=2x+1, find the value of...

Geometry

Help? check Line segment AB intersects line segment ED in the middle at the point C If DC=6+x and CE=2x+1, what is the lenth of ED? A. 5 B. 11 C. 22 D. 10 Answer: C Line segment AB intersects line segment ED in the middle at the point C If DC=6+x and CE=2x+1, find the value of...

Economics Quick Question

I'm going to type part of this passage and you have to fill in the blank. Could you check my answer here are the words that may go in that blank. elasticity shortage equilibrium price supply productivity surplus profit techonology Passage: Let's start with that part time job ...

Algebra 1--Please, help me!

Please, will someone check my answers and help me solve the other questions? 1. It takes Dustin 2 hours to shovel the snow from his driveway and sidewalk. It takes his sister 3 hours to shovel the same area. How long will it take them to shovel the walk if they work together? ...

calculus

The maker of an automobile advertises that it takes 10 seconds to accelerate from 30 kilometers per hour to 90 kilometers per hour. Assuming constant acceleration, compute the following. (a) The acceleration in meters per second per second (Round your answer to three decimal ...

Math

Combine like terms. 7a square root 2 - a square root 2 + 16= My answer would be as follows: 7a square root 2 + 16 Can you please check to see if I got this correct

English

Ethan Frome test please check my answers and correct if they are wrong 4. Which word best describes the atmosphere, or mood, of the Prologue and Chapter I? A. jolly B. comfortable C. severe D. superstitious B is wrong Answer c 11. What kind of conflict describes the struggle ...

Math

Mrs. Hanson's class of 22 students shares 132 colored pencils Which statement is true? a. For each student there are 7 colored pencils. b. For each student there are 6 colored pencils c. For every 7 students, there is 1 colored pencils d. For every 6 students, there is 1 ...

Physics please check

A pitcher throws a curveball that reaches the catcher in 0.55 s. The ball curves because it is spinning at an average angular velocity of 335 rev/min (assumed constant) on its way to the catcher's mitt. What is the angular displacement of the baseball (in radians) as it ...

Math

please check my answer thanks :) The sales tax is 7% The purchase including sales tax is $676.24 what was tha total amount of sales tax ? I got $47.34

chem-repost

I ddin't know if anybody would look far down to page to help me answer my question but this is what was said so far. Posted by rebekah on Sunday, October 24, 2010 at 4:48pm. Give the general formula for any dialkene; that is, a straight-chain hydrocarbon with two double bonds ...

Biology (check answer)

Transcription is similar to DNA replication in all of the following ways except: a) the DNA strands unzip b) the polymerase enzyme is involved c) complementary bases are paired up d) a new strand of mRNA is built from the existing DNA molecule is it d?

Social Studies

One of the main causes of the _____ was the practice of pressing American sailors into service in the British Navy. A. War of 1812 B. Semi War C. Quasi War D. Whiskey Rebellion** Can someone please check my answer, if it’s not D then I think it’s A.

Java Programming

Hi! ____ 6. Which of the following shows a valid header for a method that accepts any number of double values and returns an array of double values? (1 point) a) public static double... convert(double... d) b) public static double... convert(double[] d) c) public static double...

Law

pleaese check my answer thanks :) Mary a medical assistant testifies in the malpractice case the th defendant, Dr Bob admitted he comited malpractice on Miss Sue This testimony likely would be excluded on what gounds. 1. Hearsay 2. Physican -patient privilege 3. Irrelevance I ...

Health

can you please check my answer thanks True or False The purpose of a contrast medium is to allow direct visualization of internal organs and structures. I said true tho to make a particular structure visible on a radiograph crossed my mind my text book is not that clear

Teaching dogs Tricks

Please check my answer thanks When working out how to teach a new behavior, it's important to A. consider the breed of dog. B. break the behavior down into small parts. C. use clicker training. D. watch where the owner is standing. I say B

CHEMISTRY!!

Can someone check my answer please: Magnesium metal(0.100 mol)and a volume of aqueous HCL that contains 0.500 mol are combined to react to completion. how many litres of hydrogen gas (measured at STP) are produced choices: 4.42 11.1 22.7 2.27 5.53 I like 2.27... Is this right...

ED TECH Ms Sue Check Answer

What is the rhyme scheme of the following poem? He sat upon his brand new bike waiting for his best friend mike He couldn't wait to ride to school others would say his bike is cool. 1. a a b b 2. a b a b 3. a b c d 4. a a b a I think its 1 aabb am I correct?

Math

The result of reflecting across the line y = x and then rotating 330 degrees counterclockwise around the origin is an isometry T . Represent T by a 2 ⇥ 2 matrix. There is more than one way to do it. Use the point (1, 1) to check your answer. I know how to make the matrices ...

science

if a scale of the solar system was built where 1mm equaled 1 mile, could the model be practically built in a city? yes or no I suppose the answer would be no because that is a really small diameter is 742 billion mm I just wanted to check with someone because this seems like a...

English

Hello! Thanks for checking my question out! ____ 6. Choose the meaning of the bold word. “I won’t touch it,” he said <strong>sullenly</strong>. (“The Scarlet Ibis") (1 point) a) sulkily b) savagely c) suspiciously d) swiftly My Answer: A Could someone ...

BUS 101

Please check my answers. 1. According to the influential economist Milton Friedman, corporate social responsibility is primarily based on A. meticulous care of the environment. B. making money for shareholders. C. repudiating insider trading. D. making safe, high-quality ...

Economics

1. The employees of Abs "R" Us, which includes 12 fitness parlors in and around the metro area, feel they can improve the performance of the company. This would be called a ______ buyout. A. Leveraged C. Negotiated B. hostile D. Management Answer: A 2. According to the ...

Economics

1. The employees of Abs "R" Us, which includes 12 fitness parlors in and around the metro area, feel they can improve the performance of the company. This would be called a ______ buyout. A. Leveraged C. Negotiated B. hostile D. Management Answer: A 2. According to the ...

Math

What is the percent increase in the population for all six inhabited continents from 1950 - 2000? 1950 2000 N.America 221,000,000 305,000,000 S.America 111,000,000 515,000,000 Europe 392,000,000 510,000,000 Africa 229,000,000 889,000,000 Oceana 12,000,000 32,000,000 Antarct. 2...

Business Finance - Check/Help

Smith Manufacturing is considering the sale of two non depreciable assets, A and B. Asset A was purchased for $2000 and will be sold today for $2250. Asset B was purchased for $30,000 and will be sold today for $35000. The firm is subject to a 40% tax rate on capital gains. 1...

calculus

find the function that is finally graphed after the following transformations are applied to y=square root x in the order listed. a. reflected about the x-axis b. shift up 7 units c. shift right 5 units y=? would the answer be: y=sqrt(-x-5)-7

calculus

Using an upper-case "C" for any arbitrary constants, find the general indefinite integral ∫ (-2-t)(-9-t^2) dt Now I multiplied both parentheses to get: ∫ (18 + 2t^2 + 9t + t^3) dt now I integrated and got: 18t + 2t^3/3 + 9t^2/2 + t^4/4 + C but I'm told this answer ...

Calculus

Two people start from the same point. One walks east at 5 mi/h and the other walks northeast at 7 mi/h. How fast is the distance between the people changing after 15 minutes? (Round your answer to three decimal places.)

Calculus

A deposit of $5,000 at 4% interest compounded continuously will grow to V(t) = 5000e^0.04t dollars after t years. Find the average value during the first 20 years (that is, from time 0 to time 20). (Round your answer to the nearest cent.)

Calculus

A spring has a natural length of 18 cm. If a 22-N force is required to keep it stretched to a length of 24 cm, how much work W is required to stretch it from 18 cm to 21 cm? (Round your answer to two decimal places.) Arg, another question that has me stumped! Would love some ...

Calculus (area of base and volume of solid)

Can you check my work and see if I did the problem correctly? Thanks! A solid with a base formed by intersecting sine and cosine curves and built up with semi-circular cross-sections perpendicular to the x-axis. Find the area of the base and the volume of the solid. Integral...

accounting

Need advise in how to set up? On, April 1, 2015, Lester Company received a bank statement that showed a balance of $ 8,950. Lester showed a $8,000 checking account balance. The bank did not return check No. 115 for $750 or check No. 118 for $370.00. A $900.00 deposit made on ...

history

To find new territory for a growing population, the Song rulers A. purchased lands from neighboring peoples. B. colonized underpopulated areas to the southwest. C. sent people to unpopulated regions to the north. D. conquered territories by military force can someone check my ...

Science Please check my answer!

Which physical properties are characteristic of nonmetal solids? Choose all that apply. A) brittle B) little luster C) malleable D) ductile E) good conductors of heat A row of elements on the periodic table is called a(n) A) group. B) period. C) valence. D) orbital. My answers...

Math ; please please help.

1. Explain in detail how to determine the value of the independent variable in a quadratic relation if the value of the dependent variable is known. Please check my answer - You would substitute the value for the dependent variable, then you would solve for the independent ...

History

4) The Roosevelt Corollary says: A) That Europe could no longer expand and colonize North America. B) That America would support Latin American countries economically. C) That America could intervene in Latin American countries to prevent further European involvement. D) ...

Math/Calculus

Please check my work and correct any errors/point out any errors. Thanks. Solve the initial-value problem using the method of undetermined coefficients. y''-4y=e^xcos(x), y(0)=1, y'(0)=2 r^2-4=0, r1=2, r2=-2 yc(x)=c1*e^2x+c2*e^-2x yp(x)=e^x[Acos(x)+Bsin(x)] y'p(x)=e^x[-Asin(x...

calculus

Approximate the area in the first quadrant between the x-axis, the y-axis, the line x = 3, and the function f(x) = x^2+1 For this approximation, you must use 6 rectangles of equal width, and this must be a lower sum. In your answer, you must include letters a-d below: a. The ...

calculus book

sorry i am new to this website. Do any of you know any website that offer free or cheap online book. Calculus Early Transcendentals, 10th Edition NEW! Howard Anton, Irl C. Bivens, Stephen Davis THANK U.

english grammar check please

parts of speech 1.Mason is fantastic at gossamer billowing. my answer: Mason=noun, is=verb fantastic=adjective at=preposition gossamer=adjective billowing=noun We get to go home early on Wednesday. my answer: We=pronoun get to go=verb home=noun early=adverb on=preposition ...

Calculus

Find derivative: (write answer as single fraction) y=ln((4x-1)/x^3) So far I have: y'=(4/(4x-1))-3/x How do I write as single fraction let u= (4x-1) v= x^-3 dy/dx= d y/d(uv) * d(uv)/dx dy/duv= 1/uv d(uv)/dx= udv/dx + v du/dx put it together.

calculus

Solve for x: S(0 to x) (t^3-2t+3)dt=4 I got a different answer from the back of the book. The back of the book said that x=1.63052 or x=3.09131. How am I suppose to solve this using a calculator?

calculus

Find parametric equations for the line through the point P(2, 9, 4) that is parallel to the plane x + y + z = 6 and perpendicular to the line x = 5 + t , y = 5 − t , z = 5t . Answer Choices: 1. x = 2 + 6t, y = 9 + 4t, z = 4 + t 2. x = 2 + t, y = a + t, z = 4 − 2t 3...

AP Calculus AB

Which integral gives the area of the region in the first quadrant bounded by the axes, y = e^x, x = e^y, and the line x = 4? The answer is an integral. I know y=e^x has no area bounded, but I don't know how to incorporate it all.

Calculus

A square is inscribed in a circle. If the area of the circle is 144(pi)cm*squared* --sorry the square root thing isnt showing up. Then the exact perimeter of the square is... I really don't get how to solve this, but the answer is supposed to somehow be 48V2 cm

Calculus

A rectangle has area 64 m2. Express the perimeter of the rectangle as a function of the length L of one of its sides. State the domain of P. (Assume the length of the rectangle is larger than its width. Enter your answer using interval notation.)

childcare

plz check theses When parents ask for advice that you aren’t capable of giving, you should refer them to a A. parent discussion group. C. resource file. B. guest speaker. D. parent handbook. answer(c) Parents should view a parent-caregiver conference as a time to be used ...

calculus

if a snowball melts so that its surface area decreases at a rate of 1 cm^2/min, find the rate at which the diameter decreases when the diameter is 43cm. Leave pi in your answer please.

calculus

Let f(x) = (x − 3)−2. Find all values of c in (2, 5) such that f(5) − f(2) = f'(c)(5 − 2). (Enter your answers as a comma-separated list. If an answer does not exist, enter DNE.) C=?

Pre-Calculus

What is the equation of the line passing through (4, 2) and perpendicular to the line passing through the points (9,7) and (11,4)? Here's what I did: (7-4)/(9-11) = -3/2 y-2= (-2/3)(x-4) y-2=(-2x/3) + (8/3) y = (-2x/3) + 14/3 but the answer key says that it's y=(2x/3) - (2/3) ...

Calculus III

Use symmetry to evaluate the double integral ∫∫R(10+x^2⋅y^5) dA, R=[0, 6]×[−4, 4]. (Give your answer as an exact number.) ∫∫R(10+x^2⋅y^5) dA=

Calculus

Use Euler's method with step size 0.2 to estimate y(1.4), where y(x) is the solution of the initial-value problem below. Give your answer correct to 4 decimal places. y' = x - xy y(1) = 0 h = 0.2 Since I am at y(1) = 0 and not y(0) = 0 would I just do this twice? As in: y1 = 0...

Calculus

Let 5x^2 - 3xy + 58 = 2y^3 Use implicit differentiation to find y' for the above equation. The first thing I did was move 2y^3 over to that everything is equal to 0. With the -3xy I used the product rule and expanded that. After solving I got.... 10x(3 * y + 3x * 1dy/dx)- 6y^...

math calculus

The concentration C (in milligrams per milliliter) of a drug in a patient's bloodstream t hours after injection into muscle tissue is modeled by C = 3t/26 + t^3 Use differentials to approximate the change in the concentration when t changes from t = 1 to t = 1.5. (Round your ...

math calculus

The concentration C (in milligrams per milliliter) of a drug in a patient's bloodstream t hours after injection into muscle tissue is modeled by C = 3t/26 + t^3 Use differentials to approximate the change in the concentration when t changes from t = 1 to t = 1.5. (Round your ...

Health/ Basic Clinical Procedures

please check my answer thanks True or False The purpose of OSHA Bloodborne pathogens Standards is to prevent exposure of employees to bloodborne pathogens I said True

V A Hospital

please check my answer thanks so much for your help True of False The V A hospital is most likely to use the Social Security Number as a medical record number in its filing system I said True

Applied Dog Behavior

please check my answer thanks You're using punishment to get rid of a particular behavior. You should keep using the same punishment for three to five tries I said True

Applied Dog Behavior

Please check my answer thanks Fearfulness as a trait appears to be A. more common in females. B. hereditary and a dominant trait. C. more common in males. D. random and rare. I picked B

College Algebra

Find all solutions of the equation. Check your solutions in the original equation. (Enter your answers from smallest to largest. Enter NONE in any unused answer blanks.) 16t^2/3 + 40t^1/3 + 25 = 0

Algebra 1 check answers

If you were solving a system of equations and you came to a statement like 1 = 3, what do you know about the solution to the system? The solution is (1, 3). The solution is x = 1 and y = 3. There is no solution. There are infinitely many solutions. I think the answer is D or B...

Calculus

For the decomposition of Carbon 14, find the age of a prehistoric cave painting discovered in the Lascaux Caves in southern France if the amount of Carbon 14 has decayed to 14.29%...again using calculus formulas. Not sure how to use this equation (content section of course ...

dog behavior

please check my answer thanks In Pavlov's experiment with the bell and the food, what is the dependent variable A. Pairing the food and the bell B. giving the food C. ringing of the bell D. salivation I picked B

Math

Zack orders a box of 80 sweaters manufactured from a factory. He needs to check the quality of 30% of the sweaters. Select all of the equations that Zack could use to find x, the number of sweaters he needs to check.

math

Zack orders a box of 80 sweaters manufactured from a factory. He needs to check the quality of 30% of the sweaters. Select all of the equations that Zack could use to find x, the number of sweaters he needs to check.

math please check and help!!!!

what is the vertex and line symmetry for f(x)=1/2(x+8)^2+4 and what is the max/min value of f(x)? Is the answer for the vertex (8,4) is the min value of f(x) (-8,4)

Math - Answer Check

Prove that circle A with center (–1, 1) and radius 1 is similar to circle B with center (–3, 2) and radius 2. From A to B: (x - 2, y + 1), scale factor 2?

Math

Please check my answer.. Find a point E on segment CD such that the ratio of segment CE is 5/8 C is placed on (-9) and point D is placed on 7. A. -8 B.-1~~~ C. 1 D. -3

geometry (check answer)

Determine whether the line through (0, 4) and (2, 0) and the line through (−2, 3) and (−4, 2) are parallel, perpendicular, or neither. neither?

Public Speaking Please Check

1. (TCO1) The route used to transmit messages is known as: my answer:decoding encoding decoding feedback noise channel 2. (TCO1) As Claire tells about her trip to the museum, she notices Emma and Brian yawning. The information that Claire is receiving is known as: My answer: ...

Calculus

Given the differential equation: dy/dx = y(1+x), y(0)=1, Use Euler's method with step size .1 to approximate y(.3). y' = y(1+x), y'(0) = 1(1+0)=1 ->the solution has slope 1 at the point (0,1); x0=0, y0=1, h=0.1, F(x,y)=y(1+x) y1=y0+h*F(x0,y0) y1=1 + 0.1(1(1+0)) y1=1.01 y2=1...

calculus

Given the differential equation: dy/dx = y(1+x), y(0)=1, Use Euler's method with step size .1 to approximate y(.3). y' = y(1+x), y'(0) = 1(1+0)=1 ->the solution has slope 1 at the point (0,1); x0=0, y0=1, h=0.1, F(x,y)=y(1+x) y1=y0+h*F(x0,y0) y1=1 + 0.1(1(1+0)) y1=1.01 y2=1...

behavior problems (dogs)

please check my answer thanks An unwanted behavior persists because the A. behavior elicits a reward. B. dog has a temperament fault. C. trainer doesn't use treats as rewards. D. owner doesn't know how to punish the dog effectively. I picked A

Physics

Could someone please check another one of my answer for me? Thank you! A commuter backs her car out of her garage with an acceleration of 1.40 m/s2. (a) How long does it take her to reach a speed of 2.00 m/s? (b) If she then brakes to a stop in 0.800 s, what is her ...

Math ~ CHECK ANSWER

Below are two sets of student quiz scores on a 30-point quiz. Which of the following can you conclude by comparing their box-and-whisker plots? Class A: 5, 10, 13, 18, 19, 25, 29 Class B: 1, 3, 5, 7, 9, 9, 13 a) The first quartile of class B is greater than the third quartile ...

calc check: euler's method

Given the differential equation: dy/dx = y(1+x), y(0)=1, Use Euler's method with step size .1 to approximate y(.3). y' = y(1+x), y'(0) = 1(1+0)=1 ->the solution has slope 1 at the point (0,1); x0=0, y0=1, h=0.1, F(x,y)=y(1+x) y1=y0+h*F(x0,y0) y1=1 + 0.1(1(1+0)) y1=1.01 y2=1...

calculus

What is the length of the blue line labeled r in the image below? Give your answer in terms of a and b. blue line labeled r starting at the origin and ending at a point a,b b|------------| | /| | / | | / | | / | | / | | r / | | / | | / | | / | | / | | / | _|____________|a

Calculus

Find the x-coordinates of any relative extrema and inflection point(s) for the function f(x)=9x^1/3+9/2x^4/3. I've gotten -0.5 as the relative minimum and x=1 for the inflection points. Is this correct? If not, can you show me how to get the correct answer please

Calculus

Thank you - (Enter your answers using interval notation. If an answer does not exist, enter DNE.) y = 4x + [5/sin x], (−π, π) concave upward (x,y)- concave downward (x,y)-

calculus

-find the equation of the tangent line to the curve y=5xcosx at the point (pi,-5pi) -the equation of this tangent line can be written in the form y=mx+b where m= and b= -what is the answer to m and b?

Calculus

How would I set this up in my calculator? Let F(x)=∫ ln(t^2) dt where a= 1 and b=3x . Use your calculator to find F"(1). I set it up and I got way the wrong answer. I got 2ln(1)=0

Introduction to Graphic Design

Hello! Thanks for checking my question out! ____ 8. Which of the following is one of the ways in which graphic design has become safer through technology? (1 point) a) New technologies, such as computer equipment and smartphones, can be discarded easily in landfills. b) New ...

cal

1. Given the function f(x) and g(x) below determine the following: A) f o g(3) ANSWER: B) f o g(-4) ANSWER: C) g o f(0) ANSWER: D) f o f(1) ANSWER: E) g o g(-2) ANSWER:

Calculus (can someone please verify this?)

Gravel is being dumped from a conveyor belt at a rate of 30 ft^3/min. It forms a pile in the shape of a right circular cone whose base diameter and height are always the same. How fast is the height of the pile increasing when the pile is 19 feet high? Vol = (1/3)pi (h^2/4)(h...

calculus I integral

Is this correct? Evaluate 2x∫1 3t(t^2 + 1)^2 dt u= t^2 + 1 du= 2t dt 1/2du=tdt 2x∫1 3u^2 1/2du 3/2 2x∫1 1/3u^3 + c 3/2 [1/3 u^3] 3/2(1/3(2x)^3) - 3/2(1/3(1)^3) Answer= 4x - 1/2

English

Can you please check if these sentences are OK? Thank you. 1)Forensic science adopts different scientific methods to catch criminals. 2)In particular, scientists can examine a suspect’s fingerprints or check blood type. 3) They can also check teeth and look at dental records...

Math calculus

The altitude of a triangle is increasing at a rate of 1000 centimeters/minute while the area of the triangle is increasing at a rate of 1500 square centimeters/minute. At what rate is the base of the triangle changing when the altitude is 7000 centimeters and the area is 89000...

math (calculus)

you have 704m of fencing to enclose 3 adjacent plots(not the same size) you must use calculus to fine the dimensions for which the total area is as large as possible. Find the largest possible total area.

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  89. 89
  90. 90
  91. 91
  92. 92
  93. 93
  94. 94
  95. 95
  96. 96
  97. 97
  98. 98
  99. 99
  100. 100