Calculus (Answer Check)

86,066 results, page 52

English

How does Evan feel? Listen to the dialogue carefully and check the suitable picture after the dialogue. Tick the box of the appropriate picture. ========================= Is the passage grammatical? There are three pictures on the page and On the top left of each picture, ...

true/false history

hi everybody. I have been trying to answer these true/false question all day, can someone help me please?Are my answers correct? "Militarism" is warfare that combines the use of infantry, armor, and air power in a fast-moving campaign. I put false & replaced the false word ...

chem-answer check please

Compounds like CCl2F2 are known as chlorofluorocarbons, or CFCs. These compounds were once widely used as refrigerants but are now being replaced by compounds that are believed to be less harmful to the environment. The heat of vaporization of CCl2F2 is 289 J/g. What mass of ...

SOCIAL STUDIES CHECK ANSWER

In what way did the Alien and Sedition Acts change the authority of the federal government? A. The acts limited the amount of power delegated to each branch of government. B. The acts redefined the powers of the legislative branch C.The acts clarified the role of the Supreme ...

SOCIAL STUDIES CHECK ANSWER

In what way did the Alien and Sedition Acts change the authority of the federal government? A. The acts limited the amount of power delegated to each branch of government. B. The acts redefined the powers of the legislative branch C.The acts clarified the role of the Supreme ...

Physics waves- check answer please

I would like to know if my answer is correct. Thanks in advanced! A person with their head sideways in the water sees a beaver slap its tail on the lake surface 1.2 km away. What is the time difference between the sound heard in the ear listening in the air and the ear hearing...

Physics waves- check answer please

I would like to know if my answer is correct. Thanks in advanced! A person with their head sideways in the water sees a beaver slap its tail on the lake surface 1.2 km away. What is the time difference between the sound heard in the ear listening in the air and the ear hearing...

math help

Use the following table to answer the questions. (Give your answers correct to two decimal places.) x 1 1 3 3 5 5 7 7 9 9 y 3 2 6 1 3 3 3 2 5 3 (a) Find the equation of the line of best fit. y hat = + x (ii) Graph this equation on a scatter diagram. (Do this on paper. Your ...

math

i have 5 questions about adding rational numbers and want you to check my answers. tank you for reviewing my questions tutors 1. -3/2 - 7/4 + 1/8 my answer: -.3375 2. Alex borrowed $12.50 from his friend Danilo. He paid him back $8.75. How much does he still owe? my answer: ...

EDTECH

Which of the following is a good test-taking strategy for multiple-choice questions? A)answer C is almost always the correct answer, so pick answer C if you don't know the answer. B)read the answers first, then read the question. C)when in doubt, provide two answers. D)after ...

House/ Crate training (dogs)

please check my answer thanks Which one of the following factors contributes to the saftey of a puppy or a dog that's crated in a wire cage A diameter of the wires B deimensions of the crate C weight of the crate D distance between wires I picked D because if the wires are to ...

*Math*

139 of CanTexh Supply's employees belong to a union; the remaining 248 employees are not union members. What percent of employees are in the union? (((please help, i have test tomorrow the first thing in the morning!!!:S))) i tried it myself but can u check if its rite if not ...

Chemistry

If acetic acid is the only acid that vinegar contains [Ka = 1.8*10-5] , calculate the concentration of acetic acid in the vinegar. pH of vinegar is 3.20 _______________ First I got the antilog of the pH given, which turned out to be 6.309E-4. Then I did [(6.309E-4)^(2)]/(1.8E-...

CHECK my answers Physical science

10. If a solid piece of iron is heated and remains at 80°C until it is completely melted, you know that 80°C is (2 pts) * a. the freezing point of iron b. the melting point of iron c. the boiling point of iron d. both the freezing and melting points of iron my answer would ...

Calculus

Suppose f(x) is differentiable at x=a. What does tangent line approximation, y=, mean? Select all that apply (A) Local linearization (B) y=f(x)-f(a)-f'(a)(x-a) (C) The best liner approximation of f(x) near a (D) After zooming y is a good approxiamtion to f(x) (E) f(x)~y=f(a...

Calculus

Suppose f(x) is differentiable at x=a. What does tangent line approximation, y=, mean? Select all that apply (A) Local linearization (B) y=f(x)-f(a)-f'(a)(x-a) (C) The best liner approximation of f(x) near a (D) After zooming y is a good approxiamtion to f(x) (E) f(x)~y=f(a...

Calculus

Suppose f(x) is differentiable at x=a. What does tangent line approximation, y=, mean? Select all that apply (A) Local linearization (B) y=f(x)-f(a)-f'(a)(x-a) (C) The best liner approximation of f(x) near a (D) After zooming y is a good approxiamtion to f(x) (E) f(x)~y=f(a...

Calculus

Suppose f(x) is differentiable at x=a. What does tangent line approximation, y=, mean? Select all that apply (A) Local linearization (B) y=f(x)-f(a)-f'(a)(x-a) (C) The best liner approximation of f(x) near a (D) After zooming y is a good approxiamtion to f(x) (E) f(x)~y=f(a...

English-A Raisin in the Sun

What does Beneatha think about George Murchison in the book A Raisin in the Sun? Please check my answer: Is this correct: Beneatha prefers Asagai over George. She doesn't like some of the things George says. She argues with him since she doesn't always agree with him. The two ...

Calculus Applied Integrals

A cylindrical tank of 22.1m high with radius 12.2m is filled to 10m high with water. How much work must be done to pump all the water out of the tank? (density of water is 1000\ kg/m^3) I used similar triangles somewhere in my calculations to find the answer, but I'm not sure ...

More french

Directions: Complete the sentences, choosing the correct possessive adjective. 1. (Mon, Ma, Mes) Tu as ------- livre de maths. Answer: Mon 2. (Notre, Nos) C'est ------- maison. Answer: Notre 3. (Leur, Leurs) Voila -------- enfant. Answer: Leur 4. (Ton, Ta, Tes) Ou est...

Calculus 1 Related Rates

Water is discharged from a pipeline at a velocity v(in ft/sec) given by v=1240p^(1/2), where p is the pressure (in psi). I f the water pressure is changing at a rate of 0.406 psi/sec, find the acceleration(dv/dt) of the water when p=33.0 psi. I know the answer is suppose to be...

Geometry

PLease check my answer. Which of these is a step in constructing an inscribed circle using technology? A. Construct segment DB, segment CE, segment GI, and segment ID. B. Create circle A with point B on the original circle. *** C. Create circle E which passes through points A ...

Calculus

Hello, I really need help on these two homework problem. >< In problem #1, I believe it is related to the exponential functions and their derivatives section...in Calculus II? So, surely there should be a ln in the solution as well? I would like a step by step process ...

dog behavior

please check my answer thanks so much :) As the instructor of a basic obedience class, what can you use the game night for? A. To talk with students who are falling behind B. To discuss other classes you offer C. To test dogs for graduation requirements D. To observe the ...

child day care management,health,safety,and nutrit

Q; A child in your program has just returned after having chickenpox.You notice that she still has a few dry scabs.What should you do? A.send her home.she is still contagious B.welcome her back and let her know what there is to do today C.allow her to stay, but discourage her ...

Evaluate Expression

10.Evaluate the following. [9]= answer 9 [-14] Answer = -14 Add: -3+4 My answer 1 -4+(-5) My answer -9 -57+(-38) my answer -95 -53+38 My answer -15

Math

please check my answer thanks :) Mark has a finance charge on a loan of $984.00 based on the information below what is the total deferred payment price. price of loan is $4,200 Mark is going finance his purchase with a two-year installment plan with a 12% down payment and 24 ...

World History

How did China become a feudal state under the Zhou? A.The Shang shared regional power over lands with the Zhou. B.Warlords overran regions and set up their own kingdoms.* C.The Zhou awarded control over lands to their supporters. D.Groups of regional villages requested Zhou ...

Algebra

Complete the table for each function. 1. f(x) = √x The x values are 0, 1,4 and 9. The corresponding y values that I got are 0, 1, 2 and 3. 2. g(x) = -1/4√ x The x values are 0, 1, 4, and 9. The corresponding y values that I got are 0, -1/4, -1/2 and -3/4 3. h(x...

calculus

This problem requires a calculator. Enter answers as decimals. Grass clippings are placed in a bin, where they decompose. The amount of grass clippings measured in kilograms is modeled by A(t)=7.0(0.95)t, where t is measured in days. (a) Find the average rate of change of A(t...

calculus

A 15-ft ladder rests against a vertical wall. If the top of the ladder slides down the wall at a rate of 0.33 ft/sec, how fast, in ft/sec, is the bottom of the ladder sliding away from the wall, at the instant when the bottom of the ladder is 9 ft from the wall? Answer with 2 ...

Math

q + 13 = 120 __ 8 I'm going to assume your problem is this: (q/8) + 13 = 120 If so, start by subtracting 13 from both sides of the equation. Whatever operation you do to one side of an equation you must do to the other side as well. Next, multiply both sides by 8. Once you do ...

Chemistry - enthalpy and rate constant (check)

22. The rate of a chemical reaction is dependent on its ΔH. Do you agree or disagree with this statement? Briefly justify your answer. I agree with the above statement, enthalpy is defined as the internal energy of the reactants and products therefore the chemical ...

Calculus

According to Kleiber's Law, the metabolic rate P (in kilocalories per day) and body mass m (in kilograms) of an animal are related by a three-quarter power law given below. Estimate the increase in metabolic rate when body mass increases from 65 to 66 kg. (Round your answer to...

Calculus

According to Kleiber's Law, the metabolic rate P (in kilocalories per day) and body mass m (in kilograms) of an animal are related by a three-quarter power law given below. Estimate the increase in metabolic rate when body mass increases from 65 to 66 kg. (Round your answer to...

calculus

Eight and one-half foot-pounds of work is required to compress a spring 3 inches from its natural length. Find the work required to compress the spring an additional one-half inch. (Round your answer to two decimal places.)

Calculus

The temperature of a pan of hot water varies according to Newton's Law of Cooling: dT/dt=-k(T-A), where T is the water temperature, A is the room temperature, and k is a positive constant. If the water cools from 90°C to 85°C in 1 minute at a room temperature of 30°C, how ...

Calculus

The temperature of a pan of hot water varies according to Newton's Law of Cooling: dT/dt=-k(T-A), where T is the water temperature, A is the room temperature, and k is a positive constant. If the water cools from 90°C to 85°C in 1 minute at a room temperature of 30°C, how ...

Calculus

Find the area of the region bounded by the curves y = x^(-1/2), y = x^(–2), y = 1, and y = 3. a) (1/2)(3)^1/2 + (4/3) b) 2*(3)^1/2 - (8/3) c) (1/2)(3)^1/2 - (32/3) d) 2*(3)^1/2 - (32/3) e) (8/3) - 2*(3)^1/2 So one thing that is throwing me off on this question is that I ...

calculus

For which of the following mixtures will Ag2SO4(s) precipitate? 150.0 mL of 0.10 M Na2SO4(aq) and 5.0 mL of 0.20 M AgNO3(aq) 150.0 mL of 0.10 M Na2SO4(aq) and 5.0 mL of 0.30 M AgNO3(aq) 150.0 mL of 0.10 M Na2SO4(aq) and 5.0 mL of 0.40 M AgNO3(aq) 150.0 mL of 0.10 M Na2SO4(aq) ...

House/ Crate training (dogs)

Please check my answer thanks When a dog or puppy is in its crate what should its owner do A. Close the door to keep it safe B. Place the crate is an isolated part of the house C. Leave the puppy alone to enjoy its privacy. D. Place the dish in the crate and keep it full I ...

HMO

Please check my answer thank you You belong to an HMO By paying the HMO premium and being treated through the HMO you're helping to 1 provide more managed care options for enrollees 2. control plan costs for everyone 3. decrease managed care costs 4. increase plan enrollment ...

Math Answer Check

P is a point on the terminal side of θ in standard position. Find the exact value of the six trigonometric functions for θ. P(-8, -8) Ans: cotangent: 1 secant: negative square root 2 cosecant: negative square root 2 sin: square root 2 / 2 cosine: square root 2 / 2 ...

French

Can you check these this lesson deals with expressing doubt and certainty using indicative and subjunctive. Un Mariage Directions: Répondez en utilisant Je crois que ou Je ne crois pas que 1. Ton meilleur ami ou ta meilleure amie va bientôt se marier? Answer: Je crois que ma...

english

Can someone please check my work? Which of the following is Not a good idea for choosing a subject for a persuasive speech? Choose an issue important to you. Choose a subject that people disagree on. Choose a subject that you have little personal experience with or facts about...

Calculus (RATE OF CHANGE)

Two cars leave a town at the same time and travel at constant speeds along straight roads that meet at an angle of 60° in the town. If one car travels twice as fast as the other and the distance between them increases at the rate of 81 mi/h, how fast is the slower car ...

english grammar check my answer

Can you help with the parts of speech: am I correct? 1. The high school game is at home tonight. answer:(The ..article..high school ..adjective... game...noun..at..preposition....home..noun....tonight...adverb) 2. The junior high track team is going to win when they start in ...

calculus

Optimization At 1:00 PM ship A is 30 miles due south of ship B and is sailing north at a rate of 15mph. If ship B is sailing due west at a rate of 10mph, at what time will the distance between the two ships be minimal? will the come within 18 miles of each other? The answer is...

Chemistry. Percent mass...

A 1.009 g mixture of the solid salts Na2SO4 (molar mass= 142.04) an Pb(No3)2 (molar mass= 331.20) form an aqueous solution with the precipitation of PbSO4 (molar mass= 303.26). The precipitate was filtered and dried and its was was found to be .471 g. The limiting reagent is ...

U.S History - need help to check my answer!!!

Document B: Every miserable fool who has nothing at all of which he can be proud, adopts as a last resource pride in the nation to which he belongs; he is ready and happy to defend all its faults and follies tooth and nail, thus reimbursing himself for his own inferiority..." ...

English

I urgenlty need you to check these sentences. Thank you. I'm emailing you the list of objectives again since my first draft was incomplete. I still have to add a few things as to the impact of the project on our students and the European value attached to it. Let me check the ...

French

Part 3: Encore des questions: Faites des questions directes avec les phraes de l'activité 10 (from previous part 2 post) 1. ----------- intéresse Paul? Answer: Qu'est-ce qu' 2. ----------- lui est arrivé? Answer: Qu'est-ce qui 3. --------- il a compris? Answer: Qu'est-ce qu...

teachers aide early chidhood education and after s

1.you should serve meals and snacks for young children? (a|)at the same time daily (my answer) (b)only when the children are hungry (c)in a complety quiet atmosphere (d)at a different time everyday 2.children often use parallel play as a way to ? (a)develop their social skills...

Calculus

The velocity function is v(t)=t^2−5t+4 for a particle moving along a line. Find the displacement and the distance traveled by the particle during the time interval [-1,5]. So I found the antiderivative of the function, which gave me t^3/3-5^2/2+4x+c. Then plugging in the ...

Calculus-Math

The speed S of blood that is r centimeters from the center of an artery is given below, where C is a constant, R is the radius of the artery, and S is measured in centimeters per second. Suppose a drug is administered and the artery begins to dilate at a rate of dR/dt. At a ...

computer graphics

You purchase the latest "must have" computer video game from the store. The game has fantastic graphics but it runs rather slow on your computer. What must you do to increase the performance of the game? 1. Install a GVA adapter that has more ROM. 2. Install a video card that ...

Algebra

I think I have the correct equation, but can someone please double check and tell me if I am correct. Scenario: Suppose that the width of a rectangle is 5 inches shorter than the length, and that the perimeter of the rectangle is 50. Question: Set up an equation for the ...

Calculus - Hooke's Law , Spring Constant

Hi could someone please help me answer this question: It requires 0.05 joule of work to stretch a spring from a length of 8 cm to 9 cm and another 0.10 joule to stretch it from 9 cm to 10 cm. Determine the spring constant and find the natural length of the spring. Thank you

calculus

Use a(t) = -9.8 meters per second per second as the acceleration due to gravity. (Neglect air resistance.) A baseball is thrown upward from a height of 3 meters with an initial velocity of 7 meters per second. Determine its maximum height. (Round your answer to two decimal ...

math (check answer plz)

7. A bag containing 4 green marbles, 6 red marbles, 14 orange marbles, 5 brown marbles, and 8 blue marbles. You choose a marble, replace it, and choose again. What is P(red, then blue)? A. 48/1369 B. 14/1369 C. 27/37 D. 14/37***?

Algebra 2 check my last answer?!

A cosine function has a period of 3, a maximum value of 20, and a minimum value of 0. The function is a reflection of its parent function over the x-axis. Which function could be the function described? f(x)=10cos(3x)−10 f(x)=10cos(2π3x)+10 <my choice f(x)=−10cos(2π3x...

chemistry(check my explanation)

sorry to repost this question but i'm confused on this part The solubility of borax is directly proportional to temperature. Therefore, the sign of H is A. negative B. positive C. unknown with the given information like you said earlier, borax dissolves when heat is added, ...

STATS (PLEASE CHECK)

16-To test the hypothesis H0 : ì = 100 against H1 : ì > 100, a statistics practioner randomly sampled T observations and found the mean x = 106 and the standard deviation sx = 35. The value of the test statistic is equal to (1) 1.1743 (2) −1.7143 (3) 0.1714 (4) 17....

Finance (Check Answer plz)

A comp. has issued a bond with the following characteristics: Principal=1000, Time to maturity=20yrs. Coupon Rate=8%, compounded semiannually with semiannual payments. Calculate the value of this bond if the stated interest rate, compounded semiannually is 6% My attempt: 1000...

Finance (Check Answer plz)

A comp. has issued a bond with the following characteristics: Principal=1000, Time to maturity=20yrs. Coupon Rate=8%, compounded semiannually with semiannual payments. Calculate the value of this bond if the stated interest rate, compounded semiannually is 6% My attempt: 1000...

Child Care

Increasing numbers of communities are addressing the need for out-of-school care due to the relationship between A. teen pregnancy and inadequate care of infants. B. inadequate supervision of teens and teen pregnancy. C. working mothers and juvenile delinquency. D. ...

physics

Calculate the work required to be done to stop a car of 250 kg moving at a speed of 18km/hr? answer is right or not please check Mass =250 kg Velocity = 18kg = 18 x 1000/60 x 60 = 5 m/s KE = ½ mv x v = ½ x 250 x 5 = 125 x 5 = 625 J Therefore the counter back this force we ...

Calculus

f(t)= -2te^-t^2, [0,5] Find average value. Attempt: I know that the average value is the integration of f(t) from a to b divided by b-a. I used u substitution to get u= -t^2 and du= -2xdx. I changed the limits of integration to [0,25] and I got integral of e^u du. I am not ...

applied calculus

1. Consider the function y = xx (for x> 0). a) Why does the derivative rule for xn not apply? b) Why does the derivative rule for ax not apply? c) What are the four magic properties of logarithms? d) Take the ln of both sides. Use the properties of logarithms and implicit ...

math

1. You have recently found a location for your bakery and have begun implementing the first phases of your business plan. Your budget consists of an $80,000 loan from your family and a $38,250 small business loan. These loans must be repaid in full within 10 years. The first ...

accounting, correction

Can someone correct these for me thanks I'll appreciate it very much.... Identify whether a debit or credit yields the indicated change for each of the following accounts: a. To increase Store Equipment My answer: Debit b. To increase Owner Withdrawals My answer: Credit c. To ...

grammar check PLZ HELP ;-;

Which sentence contains an item that is either incorrectly italicized or should be italicized? A. On the ship's deck was women reading a novel called (Mystery at Sea). B. He painted the seaplane blue and named it "Kingfisher." C. In (Newsweek), I read an article called "The ...

math

Can someone please check my work?? 16. The bigger the number the slope is in the equation, what do you notice happens to the graph? When the slope, m, gets bigger the line will become steeper. My Answer~~ As the slope, m, gets bigger the line gets steeper 17.What common ...

More Algebra - Dividing Radicals!

A hotel wants to put a fence around a circular spa. The radius of the spa is 5/(√2-1)feet. If the fence is built along the immediate edge of the spa, what is the perimeter of the fence? (Recall that the perimeter of a circle is 2πr, where r is the radius of the ...

Grammar Check

Punctuation—Hyphen She requested two and three-yard ribbons for her sewing project. My answer... She requested two-three yard ribbons for her swing project. is this correct?

biology help please- check my answer???:)

What happens during photosynthesis? A)Heterotrophs consume ATP. B)Heterotrophs produce ATP. C)Autotrophs consume carbohydrates. D)Autotrophs produce carbohydrates. I think its D.

Physics

Consider a pendulum of length 4.557 m. The acceleration of gravity is 9.832 m/s2 . a) What is its period at the North Pole? Answer in units of s. b) What is its frequency? Answer in units of Hz. c) What is its period in Chicago, where g = 9.803 m/s2? Answer in units of s. d) ...

Math

1. Simplify, and write in the base of 3: (9^x . 3^4x)^2 answer: 3^12x 2. Differentiate and simplify a. y= 3x^4 - 4e^x + 8 answer: 4(3x^3 - e^x) b. y= (3 + 4e^x)^5 answer: 20e^x (3+ 4ex)^4 c. y= (e^x - 1) / x^2 answer: (xe^x - 2e^x +2) / x^3

Math

1. Simplify, and write in the base of 3: (9^x . 3^4x)^2 answer: 3^12x 2. Differentiate and simplify a. y= 3x^4 - 4e^x + 8 answer: 4(3x^3 - e^x) b. y= (3 + 4e^x)^5 answer: 20e^x (3+ 4ex)^4 c. y= (e^x - 1) / x^2 answer: (xe^x - 2e^x +2) / x^3

Health; Check Answers

Please check my Answers 1. Which is a common viral disease? A. strep throat B. lyme C. tuberculosis D. common cold*** 2. which statement is about the flu? A. there is no cure B. there is usually a fever C. It typically lasts 3-7 days D. it spread by contact with infected ...

IT computer memory

Can someone check this for me please.. 18 MB of data are to be transmitted over a a megabyte per second connection. How long should the complete transaction take, to the nearest 0.1s. Size of file / data rate so, 18,874,368 bytes / 4,000,000 = 4.718592 = 4.7 is that correct a ...

student supervision

which of the following infectious disease accounts for 60 to 80 percent of all school infections? (a)upper-respitary infections (my answer) (b)pink eye (c)tuberculosis (d)hepatisis a and b which of the following statements about playground moniters is correct? (a)youre not ...

Calculus

An airplane flys at a constant altitude of 2 miles and a constant speed of 600 miles per hour on a straight course that will take it directly over a kangaroo on the ground. How fast is the angle of elevation of the kangaroo's line of sight increasing when the distance from the...

calculus

An airplane flys at a constant altitude of 2 miles and a constant speed of 600 miles per hour on a straight course that will take it directly over a kangaroo on the ground. How fast is the angle of elevation of the kangaroo's line of sight increasing when the distance from the...

finance

Can someone check this for me thanks.... what information is the most valubale in a balance sheet? my answer: the most important type of information in a balance sheet is the overall or result after using the formula: assets = liabitlities + equity then also the end result of ...

Math

Could someone check my work? A 200-foot cliff drops vertically into the ocean. The angle of elevation from a ship to the top of the cliff is 22.3 degrees. How far offshore, to the nearest foot, is the ship? Tan(22.3) = 200ft/x xtan(22.3)=200ft x=200/tan(22.3) x=487.65 Answer: ...

Math

Hi, I have to do a project on the Shell Method in my Geometry class. I have been trying to find information on that topic, but have no luck... can someone point me to the right direction as of what keyword to search for, or is there any sites or books or video that have such ...

science

write T if the statement is true or F if it is false. a.)All the planets travel around the sun at the same speed.my answer is T. b.)The sun's gravity keeps the planets in orbit around it. my answer is F. c.)There is an asteroid belt between Jupiter and Saturn.my answer is T. d...

Calculus

For a cylinder with a surface area of 90, what is the maximum volume that it can have? Round your answer to the nearest 4 decimal places. The volume of a cylinder is πr^2*h and the surface area is 2πrh+2πr^2.

Math Please check

The electricity meter on Donna's house read 71,236.4 kwh at the beginning of March and 73,196.2 kwh at the end of March. She pays 7.4 per kwh. What is the amount of her electricity bill for March? Round to the nearest cent. I came up with $145.03 Would you please check to make...

medical office

please check my answer thanks Harper Clinic's filing system generates a gap in the filing space when the medical records are moved forward to the most recent assigned medical record number What type of numbering filing system does this clinic use? I think it is unit number

chemistry

What two conditions necessary for molecules to be polar? Her's my answer pls check. First, at least one covalent bond in the molecule has to be a polar covalent bond. For a bond to be polar, there must be a difference in the electronegativities of the two atoms that are bonded...

Social Studies (Check, Please!)

I think my answer is correct, but I'm not sure. How did the Lend-Lease Act help the Allied war effort? A: The Lend-Lease enabled the United States to lend or lease more than $40 billion in weapons, vehicles, and other supplies to those involved in the Allied war effort.

Calculus

yes! tnk u ok? It's actually (x->0.) Find the limit of cot(x)-csc(x) as x approached 0? Lim [cot(x) - csc (x)] ..x->0 = Lim [(cos x -1)/sin x] ..x->0 Use L'Hopital's rule and take the ratio of the derivatives: Lim (-sin x/cos x) = 0 x->0 thank you very much...it ...

algebra1

could you walk-through the steps to solving this problem because I am stuck; 3x-5(3x-7)=2(x+9)+45 Let me know if you have a question in any step. 3x-5(3x-7)=2(x+9)+45 3x-15x+35= 2x+18+45 -12x+35 = 2x+63 -35 -35 -12x= 2x +63-35 -12x= 2x +28 -2x -2x -12x-2x = 28 -14x= 28 -14x/-...

chemistry

Please check this for me..thank You have a 4.0 L steel tank containing hydrogen gas. You are able to heat or cool the tank and meaurse the pressure of the gas. 1.If you immersed in this solution a semi-permeable sack containing another solution of potassium nitrate prepared by...

History

What did Missouri, Kentucky, Maryland, and Delaware have in common during the Civil War? A.They all declared their neutrality during the war.*** B.They were all slave states that had remained in the Union. C. They were the first Confederate states to be captured by the Union ...

calculus

the vertical displacement y of a boat that is rocking up and down a lake, with y measured relative to the bottom of the lake. It has a maximum displacement of 12 meters and a minimum of 8 meters, a period of 3 seconds and an initial displacement of 11 meter when measurements ...

English 10-Check/Help

Part 1: Poem Structure Check my following answers below, and I need help with theme? Dx In this part, you will analyze the structure of the poem. Please fill out the following. Title of Poem: Annabel Lee Poet: Edgar Allan Poe Theme: Type of Poem: Narrative poetry Style of ...

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