Calculus (Answer Check)
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French
Could you please check these thanks. Directions: Answer using the correct form of mettre. 1. Tu mets un survêtement quand tu fais du jogging? Answer: Oui, je mets un survêtement quand je fais du jogging. 2. Tu mets la table pour le dîner? Answer: Oui, je mets la table pour ... 
Math
For homework we're supposed to give all the properties of different functions. I was able to do all of it except for this one greatest integer function  f(x) = 1/2 [x1] These functions always mess me up! Could someone tell me the following properties of this function. ... 
Calculus
Can someone help me find the derivatives of these questions? For these can you only need to tell me the answer so i can see if i have the same thing. y=cos(4x) y = sinx^2 y = xcosx I need help with these 6 please. y = xcos(1/x) y = (1+sinx)/(1sin^(2)x) y = sin^2x/cosx y = ... 
Calculus continuity
Discuss the continuity of f(x)= sin x/x^2  9 That is, state where is it continuous/discontinuous and why. Here was my original answer. sinx is cont. because it's a trig function. It's cont. at 2pi, pi, pi, and 2pi. x^2 is cont. because it's raised to a rational power. 9 is... 
math,correction
can someone correct these for me thanks.. Problem #4 Find the effective rate corresponding to the given nominal 18% compounded quarterly. My answer: 19.2% Problem #7 Find the future value of the ordinary annuity If R= $2500,I=5% interest compounded quarterly for 16 years. My ... 
Calculus 1
A 10m ladder leans against a wall at an angle theta with the horizontal. The top of the ladder is x metres above the ground. If the bottom of the ladder is pushed towards the wall, find the rate at which x changes with respect to theta when theta equals 60 degrees. Express ... 
PreAlgebra
Solve the inequality for each solution. Arnelle's checking account balance is $49.00. How much money must she deposit to bring her account to a possitive balance? PlZZZ Help me! =( She must deposit $49.01 plus whatever the bank charges for writing a hot check plus any ... 
math, algebra
can someone correct this for me or help me. 6x^2y^3+ 9x^2y^3 divided by 3x^2y^2 my solving and answer is: 15 x x y y y  = 5y 3 x x y y Looks good to me. I've never thought of showing x^2y^3 as xxyyy. That a neat wrinkle. We see quickly that the Xs cancel and all but ... 
Chemistry
I'm trying to find if potassium nitrate is polar or nonpolar by using the electronegativity scale. Can someone check my work? Electronegativity: potassium: 0.82 nitrogen: 3.04 oxygen: 3.44 =3.443.04 =0.820.4 =0.4 =0.42 So the final answer is 0.42 and by looking at the ... 
prealgebra/ check answer please
John who is an amateur golfer spends 3 hours every day practicing golf. What percentage of his waking hours does John spend practicing golf if he sleeps 9 hours a day? 249=15 3/15= 0.2 0.2 x 100 = 20% spent practicing 
MATH HELP CHECK ANSWER
Dino used three pieces of string to make a model of a triangle in art class. the lengths of two of the pieces of string were 3 inches and 7 inches. which could be the length in inches of the third piece of string dino used? A) 2 B) 8 C) 5**** D) 3 
Answer Check; Math
7. Sea turtles lay about 2,500 and 3,000 nests each year, and lay an average of 200 eggs per nest. Only 1 in 1,000 hatchlings will reach maturity. What percent will reach maturity. a. 10% b. 1% (my guess) c. .1% d. .01% 12. It took Mr. E 25 minutes to drive to St. Augustine, ... 
Math
Please help!!!! Solve each system graphically. Be sure to check your solution. If a system has an infinite number of solutions, use setbuilder notation to write the solution set. If a system has no solution, state this. 6x  2y = 2, 9x  3y = 1 My answer: Equation 1 X... 
Algebra 1 Answer Check (Reiny or Kuai)
Are my answers correct? Identify which lines are parallel. 1. y = 6; y = 6x + 5; y = 6x  7; y = 8 A: y = 6; y = 8; y = 6x +5; y = 6x  7 (all) 2. y = 3/4x  1; y = 2x; y  3 = 3/4(x  5); y  4 = 2(x + 2) A: y = 3/4x  1; y 3 = 3/4(x 5) Identify which lines are ... 
algebra
Will someone please check my answer: If R is the gene for brown eyes,and L is the gene for blue eyes, consider the children of a parent with a homozygous browneyed,RR,gene combination and a parent with a homozygous browneyed,RL,gene combination. What percent of the genetic ... 
science
use the image below to think about how continental drift may have occurred. then answer the following question: according to the continental drift theory , which the following land regions should show the greatest similarities in fossil type A. east coast of south america and ... 
CalculusMath
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 ... 
Calculus AB
The position function of a particle in rectilinear motion is given by s(t) = 2t^3  21t^2 + 60t + 3 for t ≥ 0. Find the position and acceleration of the particle at the instant when the particle reverses direction. Include units in your answer. So I've already gotten the ... 
IT
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 ... 
MATH
there is a triangle with a base of 2.4 m and both sides are 1.7 m. it is a right triangle. what the heck is the answer? i have an answer sheet and i know the answer is 41 but how do you get that answer? 
ap calc
I have solved the problem but am not sure it it is right. I would appreciate if you would check to see if my answer is right. The height of the ball thrown upwards from the top of a 20 foot hill is given by h(t)= 16t^2+90t+20 ft (where t is measured in seconds). how high ... 
dog behavior
please check my answer thanks :) If a dog breaks its position before you give the release signal, what should you do? A. Immediately say the release word "Free." B. Wait until another time to practice the exercise again. C. Make the dog stay in position longer. D. Put the dog ... 
math,algebra,correction
x = (5 +/ã85)/10 do you mean 0.5 or 5 is this right? solve by using the quadratic formula: 5x^2+5x=3 i get: x= 0.5 (+/)((sqrt(85)/(5)) check up on your proper use of the formula I got x = (5 +/√85)/10 which, if you want to separate it into two terms is 1/2... 
Math  derivative of sinusoidal (check + help)
h(t) 0.6cos(2t) + 08 sin(t) h'(t) = v(t) = 1.2sin(2t) + 0.8cos(t) find the vertical displacement when the velocity is 0.8m/s how do i solve v(t) = 0.8m/s I tried the normal way by equating and factoring, however two answers are obtained and the second method is the identity: ... 
Science
10. How can serveying reading material improve your comprehension? (1 point) > Knowing the main ideas ahead of time helps you know where to focus your attention**** > Reciting the answers to questions out loud will help you remember them > Reading your head make ... 
Comprehension
To see the outline of a building as its shadow is cast on the lawn of a park is always amazing to see. When the sun rises perfectly centered at the end of an avenue lined with beautiful buildings, it can make a person stop dead in their tracks to admire it. Q: When is the sun ... 
PLESE HELP ME ON WALK TWO MOONS ANSWER CHECK
can you guys help me with this question 1. What effect does Mrs. Winterbottom’s decision have on Phoebe? A.Phoebe is humiliated by her mother’s decision to leave. 2.Phoebe’s behavior becomes increasingly tense and ornery.***** 3.Phoebe is withdrawn and refuses to ... 
polynomials
6. Simplify: 4x2yz2 2z Select answer A 2x2y2z2 Select answer B 2x2z Select answer C 2x2yz2 Select answer D 2x2y Select answer E 2x2yz 
Algebra 1 Answer Check (Reiny)
Identify which lines are parallel. 1. y = 6; y = 6x + 5; y = 6x  7; y = 8 A: y = 6; y = 8; y = 6x +5; y = 6x  7 (all) 2. y = 3/4x  1; y = 2x; y  3 = 3/4(x  5); y  4 = 2(x + 2) A: y = 3/4x  1; y 3 = 3/4(x 5) Identify which lines are perpendicular. 3. y = 2/3x  4; ... 
Calculus  Taylor
could you please help me with solving this problem? #1) Find the Taylor polynomial Tn(x) for the function 'f' at the number 'a'. f(x) = sqrt(3+x^2) ; a=1; n=2; my work so far: f (x) = sqrt(3+x^2) = (3+x^2)^(1/2) f ' (x) = (1/2)(3+x^2)^(1/2) f '' (x) = (1/4)(3+x^2)^(3/2) f... 
College Calculus 1
We have to find the first and second derivative of f(x)=x^(2/3)(6x)^(1/3) I have the first derivative as being (4x)/(x^(1/3)(6x)^(2/3)) And that I know is right. The second derivative is 8/(x^(4/3)(6x)^(5/3)) I did all the work but I am not getting the right answer... I ... 
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, ... 
Health
i am so stuck on this answer and cannot locate it at all in my resources via online or off. please help... Here's the question: The proper way to take care of your skin would be to: a) burst pimples before they get too big. b) use quality products to help you tan safely. c)... 
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 ... 
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 fastmoving campaign. I put false & replaced the false word ... 
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)(xa) (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)(xa) (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)(xa) (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)(xa) (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... 
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 ... 
math
Lucia is hoping that Angela will buy her a geometrically interesting piece of land on which he will build a mansion. Lucia has said that she will only buy the land if it costs less than $4.00 per square foot. The plot shown below is listed for $453,175. Is Angela going to be ... 
chemanswer 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 ... 
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 ... 
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... 
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*105] , 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 6.309E4. Then I did [(6.309E4)^(2)]/(1.8E... 
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... 
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 ... 
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: ... 
EnglishA 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 ... 
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 ... 
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
A 15ft 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 ... 
EDTECH
Which of the following is a good testtaking strategy for multiplechoice 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 ... 
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 ... 
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
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 threequarter 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 threequarter power law given below. Estimate the increase in metabolic rate when body mass increases from 65 to 66 kg. (Round your answer to... 
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^3/35^2/2+4x+c. Then plugging in the ... 
calculus
Eight and onehalf footpounds of work is required to compress a spring 3 inches from its natural length. Find the work required to compress the spring an additional onehalf 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(TA), 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(TA), 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) ... 
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 twoyear 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... 
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 (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 ... 
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 ... 
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 ... 
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... 
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 ... 
CalculusMath
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 ... 
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 
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  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 
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... 
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 ... 
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 ... 
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 ... 
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..." ... 
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... 
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 ... 
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 xaxis. Which function could be the function described? f(x)=10cos(3x)−10 f(x)=10cos(2π3x)+10 <my choice f(x)=−10cos(2π3x... 
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 ... 
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'estce qu' 2.  lui est arrivé? Answer: Qu'estce qui 3.  il a compris? Answer: Qu'estce qu... 
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 ... 
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 ba. 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 ... 
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, ... 
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...