# Calculus (Parts A and B done, just help with C)

39,612 results

### Statistics

I'm stuck on this homework question. If someone can just help get me started with the first one I'm sure I can do the rest. I'm just not sure how to begin. Thanks! 1. A production process produces 90% non-defective parts. A sample of 10 parts from the production process is ...

### chemistry

The urine of horses are mixed with an excess of hydrochloric acid, after some time, a yellowish-brown crystalline precipitate, which have an unpleasant odor, that can't be removed by simply washing with water. This new compound has the following composition (parts by mass): ...

### 3rd grade

alice folded a piece of paper into 12 equal squares and colored them. She had 3 times as many red parts as green parts and 2 more yellow parts than blue parts. How many parts did she have of eeach color?

### Math

A machine takes 4.2 hours to make 7 parts. At that rate, how many parts can the machine make in 28.8 hours? Round answer. 1)48 parts 2)41 parts 3)172 parts 4)17 parts I think #1. Thanks

### Science

Why is it rare for the soft parts of an organism to become a fossil? A. the soft parts take a long time to decay. B. the soft parts can be eaten by other animals.* C. the soft parts cannot be buried in sediment. D. the soft parts form petrified fossils.

### Statistics

A bin of 35 manufactured parts contains 6 defective parts and 29 non-defective parts. A sample of size 5 parts is selected from 35 parts. Selected parts are not replaced. How many different samples are there of size five that contain exactly 2 defective parts? What is the ...

### physics

we just did an practical on newton's second law and we just have to do a report on it.... basically there are two parts to it, first part is when the overall mass of the system remains constant and the second part is when the force remains constant. there are two parts which i...

### French

I know that the definite article is normally used when discussing parts of the body, but I have oftentimes seen possessive adjectives with parts of the body while reading. Why is this? Is it just done for clarification? Thanks!

### Mathematics

A machine takes 4.2 hours to make 7 parts. At that rate, how many parts can the machine make in 28.8 hours 48 parts 41 parts 172 parts 17 parts

### Math

I need help not sure if I'm doing this correctly. Parts of parts: Find each of the following parts of parts without drawing a diagram for each problem explained clearly A) 2/3 of 2/7 I think it's 4/15 because your multiplying. B) 6/11 × 2/7 I think it's 12/77 your multiplying...

### statistics help please :(

A shipment of 50 parts contains 11 defective parts. Suppose 3 parts are selected at random, without replacement, from the shipment. What is the probability that exactly 2 parts are not defective?

### Statistics/Binomal

I really need help I do not understand how to start this problem. A machine that manufactures automobile parts produces defective parts 15% of the time. If 7 parts produced by this machine are randomly selected, what is the probability that at least 3 of the parts are ...

### statistics

A shipment of 50 parts contains 12 defective parts. Suppose 3 parts are selected at random, without replacement, from the shipment. What is the probability that all 3 parts are defective?

### SCIENCE HELP

How will the spacecraft for this mission be designed? What parts are for overcoming the challenging conditions? What parts are for collecting data? What are other parts of the design? I planned to go to mercury- what do I put:(((

### science PLEASE CHECK MY ANSWERS

1. why is it rare for the soft parts of an organism to become a fossil a. the soft parts take a long time to decay. b. the soft parts can be eaten by other animas. c. The soft parts cannot be buried in sediment.>>>my answer d. the soft parts from petrified fossils. 2....

### Science

I just need to know if i got these right? 1.If we take out parts of our ecosystem, then other parts of it are affected. A. True B.False 2.All animals have the same risk of extinction. A.True B.False I think 1 is false and 2.is true

### Statistics

In a shipment of 21 parts, four of the parts are defective. If three parts are selected at random without replacement, find the probability that : a.) All three parts selected are defective. 4/21*3/20*2/19=.003 b.) None of the tree parts selected are defective. 3/17*2/16*1/15...

### Math

To make green paint, Jeff's art teacher instructed him to mix blue and yellow paint. To make the desired shade of green, the ratio of blue paint to yellow paint is 3:4. What the does the ratio 3:4 mean? a. 4 parts yellow for every 3 parts blue b. 4 parts blue for every 3 parts...

### Math/Calculus

How would I integrate the following by parts: Integral of: (x^2)(sin (ax))dx, where a is any constant. Just like you did x^2 exp(x) below. Also partial integration is not the easiest way to do this integral. You can also use this method. Evaluate first: integral of sin(ax)dx...

### Calculus grade 12

a) determine the derivative of y = sin2x b) determine the derivative of y = 2SinxCosx c) shoe that derivatives in parts a) and b) are equal d) explain why derivatives in parts a) and be should be equal.

### Calculus

xe^x using integration by parts

### Discrete Math

A factory makes automobile parts, 5C7, 1O6 or 3Z0, which are of 5,000 parts, what is the minimum number of parts with the same serial number?

### Calculus

Find the outside and inside functions of the following to find their derivatives: 1) sqrt(2x+9) 2) cos(cos(x)) 3) tan(x) I already know how to find their derivatives I'm just not exactly sure what parts of the chain rule equation would be considered the outside and inside.

### calculus

The antiderivative of arctan(4t)dt by integration of parts.

### Calculus B

The antiderivative of ln(2x+1) using integration by parts.

### math

A recipe for a fruit shake calls for 5 parts milk, 3 parts banana puree, and 2 parts strawberry juice. Find the quantity of each ingredient necessary to make an 8 ounce shake.

### PHYSICS

An object of mass M is divided into two parts ,which are placed at distance d.if gravitational force of attraction is maximum between parts,then find the ratio of mass of both parts

### help with stochiometry

can someone help me out with this one? balanced equation is: 2H2 + O2 > 2H2O My questions are: How many molecules of water are produced from 2.0 * 10 ^23 molecules of oxygen? How many moles of water are produced from 22.5 moles of oxygen? OK. First, it depends on if you ...

### Calculus 2

integral of xarctanxdx using integration by parts.

### calculus

INTEGRATION BY PARTS... 1) e^5t sin 3t dt 2) xe^3x dx 3) x sec^2 x dx **anybody can help me for this question?

### calculus

Use integration by parts to find ∫ 2x e-x dx.

### Calculus

Evaluate using Integration by Parts. x^2 cos(3x) dx

### Algebra 1

You are making up your own mix of concrete to patch a set of stairs. In order to have the proper mix, you need to mix 1 part of Portland cement with 2 parts of sand and 3 parts of gravel. A. How many total parts are in one batch of concrete? B. You make a mix with 4 parts of ...

### CALCULUS

USE INTEGRATION BY PARTS TO FIND EACH INTEGRAL ƪxe^2x dx

### Calculus

Use integration by parts to evaluate the integral xsqrt(2x+6)dx.

### math

Leah has two same size rectangles divided into the same number of Equal parts. One rectangle has 1/3 of the parts shaded and the other has 2/5 of the parts shaded. What is the least number of parts into which both rectangles can be divide?

### Statistics

In a particular manufacturing plant, two machines (A and B) produce a particular part. One machine (B) is newer and faster. In one five-minute period, a lot consisting of 32 parts is produced. Twenty-two are produced by machine B and the rest by machine A. Suppose an inspector...

### major parts of speech

select the incorrect statement. a. Major parts of speech are called content words because the carry most of the meaning fo communication b.Minor parts of speech are called function words because thay are concerned with meaning c. Major parts of speech include nouns verbs, and ...

### CALCULUS

USE INTEGRATION BY PARTS TO FIND EACH INTEGRAL ƪx^5 Lnx dx

### calculus

USE INTEGRATION BY PARTS TO FIND EACH INTEGRAL ƪãx lnx dx

### Calculus

Use integration by parts to evaluate the definite integral. S 12 x/sqrt of x+4 dx 0

### math

a bathroom cleaner contains 1 part of bleach with 4 parts of water. if you need 10 parts of bathroom cleaner, how much water and bleach do you need? If 1 part bleach and 4 parts water = 5 parts, then what do you need to do to get 10 parts? Although this does not solve the ...

### math

im a girl ok um Three out of 200 machine parts were found to be defective. About how many parts would be expected to be defective out of 2500 parts? A. 15 B. 30 C. 38 D. 67

### sciance

what are the definitions of these words: Solute Infer Serial Dilute Parts per million parts per billion parts per trillion epidemiology epidemic contaminate microrgansims Quantitative Chlorine risk trade-off thanks

### Calculus (Parts A and B done, just help with C)

The radius, r, of a sphere is increasing at a constant rate of 0.05 meters per second. A. At the time when the radius of the sphere is 12 meters, what is the rate of increase in its volume? B. At the time when the volume of the sphere is 36pi cubic meters, what is the rate of ...

### Calculus

How do I go about integrating sin[x^(1/3)]dx?? I tried doing integration by parts and I'm going in circles.

### Calculus

Use either substitution or integration by parts to evaluate the integral: ∫(x+2)/(x²+2) dx Thank you!!

### Calculus

How do I integrate (x^2)(e^(x^3)) dx? I think it is integration by parts but after trying that, I got confused?

### Math

Three out of 200 machine parts were found to be defective. About how many parts would be expected to be defective out of 2500 parts?

### Math

Three out of 200 machine parts were found to be defective. About how many parts would be expected to be defective out of 2500 parts?

### math

Three out of 200 machine parts were found to be defective. About how many parts would be expected to be defective out of 2500 parts?

### math

Three out of 200 machine parts were found to be defective. About how many parts would be expected to be defective out of 2500 parts?

### Math

Three out of 200 machine parts were found to be defective. About how many parts would be expected to be defective out of 2500 parts? A. 15 B. 30 C. 38 D. 67

### Calculus II

the gamma function r(x) is defined by r(x)= integral from 0 to infinity of x^n-1(e^-1)dx where n>0. Use integration by parts to show that r(n+1)=nr(n).

### stats

Suppose a shipment of 500 machine parts contains 62 defective and 438 non-defective machine parts. From the shipment you take a random sample of 25. You are interested in the number of defective machine parts out of 25 trials and corresponding probabilities. When sampling with...

### Calculus

if you have g(x)=ln(x^10)+e^ln(x) would you just get 1/x^10+e^ln(x) or am i wrong the way it was explained to me that with e the derivative is just wat it is you don't change it

### math

Leah has two same size rectangles divided into the same number of equal parts.One rectangle has 1/3 of the parts shaded,and the other has 2/5 of the parts shaded.What is the least number of parts into which both rectangles could be divided?

### calculus help

Is there any good calculus websites out there that teach every possible derivative there is? Such as the basic rules of differentiation, product and quotient rules, chain rule? ((I'm really bad a understanding the square roots. )) My book gives me examples but I just something...

### Calculus

How do I evaluate this integral: x^9cos(x^5)dx Hint: First make a substitution and then use integration by parts.

### calculus

How do I integrate x(arctanx) dx? Is it some sort of integration by parts? Can you please show steps? Thanks in advance!

### math

A number is divided into two parts such that one part is 10 more than the other. If the two parts are in the ratio 5:3. Find the number and the two parts

### math

a number is divided into two parts such that one part is 10 more than the other. if the two parts are in the ratio 5:3,find the number and the two parts?

### Math

In a shipment of 400 parts, 15 were found to be defective. How many defective parts should be expected in a shipment of 1000 parts?

### Math

One alloy is 2 parts iron to 3 parts silver and another alloy is 7 parts iron to 3 parts silver. How much of each should be combined to produce a 30 pound alloy that is 1 part iron to 1 part silver?Please show me how to do this

### Algebra 1--Please, help me!

How am I supposed to graph the following functions? 1. A wholesaler is buying auto parts. He has $200 to spend. He receives 5 parts free with the order. The number of parts y he can buy, if the average price of the parts is x dollars, is y = 200/x + 5. a. Graph the function. A...

### Discrete Math

A factory makes automobile parts. Each part has a code consisting of a letter and three digits, such as C117, O076, or Z920. Last week the factory made 60,000 parts. Prove that there are at least three parts that have the same serial number.

### calculus

how to take the integral of cos(square root of x) dx. need to use substitution and integration by parts but I don't know what to substitute

### Calculus

Use integration by parts to find the given integral: ∫_9^1 (7t - 42)e^(7 - t) = [-28(1 + e^8)] / e^2 Is my answer correct? or... is it.. = -70e^(-2) + 14e^6

### Calculus

divide 64 into two parts such that the product of one of them plus the cube of the other is a maximum

### Social Studies

Whitney wanted to speed up the making of guns by having machines manufacture each part. All machine-made parts would be alike—for example, one trigger would be identical to another. Identical parts would fit together with all other parts, and gunsmiths would not have to ...

### 8th grade math.

He ripped a piece of paper into three parts, and tore each of those parts into three more parts. if he repeated this action 12 times, how many pieces of paper would he have?

### math/calculus

Under what conditions can you extend a function f(x) to be continuous at a point x=c? Is this just rules for continuity or am I just really confused? If not what is this question asking?

### calculus

Integral of 10 / (5x^2 - 2x^3) Do not determine the numerical values of the coefficients. Just wanted to know why when I write out the form of the partial fraction decomposition there is A/x + B/x^3 + C/ (x^2 + 4) Why isn't it just A/x^3 + B/ (x^2 + 4)?

### Social Studies. Please help!

Whitney wanted to speed up the making of guns by having machines manufacture each part. All machine-made parts would be alike-for example, one trigger would be identical to another. Identical parts would fit together with all other parts, and gunsmiths would not have to build ...

### calculus

The region R is defined by 1(</=)x(</=)2 and 0(</=)y(</=)1/(x^3). Find the number 'b' such that the line y=b divides R into two parts of equal area.

### Calculus

Use integration by parts to find the integral. Round the answer to two decimal places if necessary. (x+4)^ln x dx between 3 and 0

### Quantitative, stastics and business

A company has three machines A, B and C which all produce the same two parts, X and Y. of all the parts produced, machine A produces 60%, machine B produces 30%, and machine C produces the rest. 40% of the parts made by machine A are part X, 50% of the parts made by machine B ...

### calculus

Use integration by parts to evaluate the definite integral. Intergral: xsec^2(6x) dx I set u=sec^2(6x) and dv=x, but the problems seems to get harder as I go on.

### Calculus

How do you simplify vectors? 1)AB + BC + CD 2) BC - FE - BA + DE - DC Calculus - Steve, Tuesday, September 22, 2015 at 11:39pm AB+BC = AC so, AB+BC+CD = AD BC-DC = BC+CD = BD See if you can use that idea to rearrange +/- terms so the ends line up in order Calculus - Anonymous...

### Progamming

This is the Problem, I just want to get a little help on this problem. Suppose automile repair customers are billed at the rate of $35 per hour for labor. Also, costs for parts and supplies are subject to a 5% sales tax. Write a program to display a simplified bill. The ...

### Science-Pendulum

The four parts in which I had to go through this investigation was: Part 1: Practice Part 2: Does mass affect the swing rate of a pendulum? Part 3:Does Arc length affect the swing rate of a pendulum? Part 4:Does Length affect the swing rate of a pendulum. It asks why was it ...

### Calculus

I need help solving the integral of t * e^-3t dt I know that I have to solve using integration by parts and so I've let u=t to rid of dt and dv=e^-3t which I believe would yield -(1/3) * e^-3t as v. Am I doing this correctly? Thanks. I appreciate the help. (:

### AP Calculus

Consider the function f(x) = 1/4x^4 - 5/3x^3 - 3/2x^2 + 15x - 3. A. Find the relative extrema for f(x); be sure to label each as a maximum or minimum. You do not need to find function values; just find the x-values. B. Determine the interval(s) where f(x) is increasing (if any...

### Math(Please help)

1) h(t)=20(5/8) - 16(5/8)^2 + 10 = 65/4 All I need to know for this is how to calculate the fraction parts to get 65/4. I am not good with fractions. 2) A manufacturer's profit from producing x units of a product is given by P(x)=0.002x^3 - 0.01x^2 + 0.5x. At what production ...

### Statistics

Can someone please help me with this example, I do not understand it at all. Binomial problems: Advanced A machine that manufactures automobile parts is estimated to produce defective parts % of the time. If this estimate is correct, and parts produced by this machine are ...

### statistic math

it is known that 5% of all parts manufactured at Plant F are defective. If 30 part are randomly selected what is the probability that all 30 parts are not defective and what is the probability that at least one of the 30 parts is defective?

### chemistry

If 19.7 g of CaCl2 are present in 200 mL of aqueous solution, what is the concentration in terms of the following? a. molarity 100 M CaCl2 b. weight/volume percent 0.1 % (w/v) c. parts per thousand 100 ppt d. parts per million 10E4 ppm e. parts per billion 10E7 ppb

### math

In a shipment of 750 parts, 75 were found to be defective. What percent of parts were faulty?

### Physics

A woman driving her car approaches an intersection and begins to accelerate just as the traffic light turns green. Her velocity is the function of time described by the equation: v(t)=2t^2-8t+10 (A) Use calculus to find her instantaneous acceleration at t=8.0seconds (B) Use ...

### math

If an IV drop has 15 parts per 1,000 ml, how many parts would there be in 430 ml?

### Math

Compare the models for 1/3 and 2/6. How does the number of parts relate to the sizes of the parts?

### math

compare the models for 1/3 and 2/6. How does the number of parts relate to the size of the parts.

### physiology

what are the parts of the cerebrum the receive and interpret somatic senory signals? I have searched my ext just cant find the answer.

### Math

A circle is divided into 8 equal parts. What is the total angle measure of 4 parts?

### math

Split 27 in two parts such that one part is double of another. Find the parts.

### Pre Calculus

Applications of trigonometric functions Solve the missing parts of the triangle satisfying a=125 b=150 alpha=55 degrees There are two solutions

### Science-Pendulum

The four parts in which I had to go through this investigation was: Part 1: Practice Part 2: Does mass affect the swing rate of a pendulum? Part 3:Does Arc length affect the swing rate of a pendulum? Part 4:Does Length affect the swing rate of a pendulum. It asks why was it ...

### Math

a circle is divided into 9 equal parts. What is the angle measure of two of those parts

### Math

a circle is divided into 9 equal parts. That is the angle measure of two of those parts?