Wednesday

July 23, 2014

July 23, 2014

Number of results: 33,317

**calculus SIMPSON RULE**

Use Simpson's Rule and all the data in the following table to estimate the value of the integral . x -16 -15 -14 -13 -12 -11 -10 y -8 9 4 9 -5 -9 3
*March 14, 2011 by aj*

**calculus**

f(1)= 20, f(3)=13, f(5)=15, f(7)=16, f(9)=11, on [0,6] a, used midpint rule with n=5 to estimate intergral form 0 to 10 f(x)dx b, use trapezoidal rule with n=4 to estimate intergral from 1 to 9 f(x)dx c, used simpson's rule with n=4 to estimate intergal from 1 to 9 (x)dx
*December 12, 2011 by kyle*

**Calculus ll - Arc Length/Simpson's Rule**

Use Simpson's Rule with n=10 to estimate the arc length of the curve. Compare your answer with the value of the integral produced by your calculator. x = y + y^(1/2), 1 ≤ y ≤2
*October 15, 2010 by Morgan*

**Maths C**

I need to compare and contrast Weddle's Rule and Simpson's rule and outline a distinguishing difference between them. I understand Simpson's Rule but I am finding it difficult to obtain clear information about Weddle's rule.
*June 23, 2011 by Sam*

**Calculus**

Use Simpson's Rule with n = 10 to estimate the arc length of the curve. y = tan x, 0 < x < π/9
*February 4, 2014 by Sandy*

**Mathematics**

Use Simpson’s rule to estimate ∫_0^2▒〖1/8 e〗^(x^2 ) dx with a maximum error of 0.1
*October 15, 2013 by Dust*

**Calculus II - Simpson's Rule **

Find the Error resulted from approximation by Simpson's Rule: integral (from 0 to 1) sqrt( 1+x^3) dx ... compute the result for n=8
*February 17, 2014 by Chelsea*

**Simpson's rule**

Is the simpson's rule always more accurate than the midpoint rule and trapezoidal rule? Not always; it is possible that the midpoint and/or trapezoidal rule determine exact values. 1. Some functions values for a function f are given below. x 0 0.5 1.0 f(x) 3 4 11 What is the ...
*October 24, 2006 by 413*

**calculus**

Use the trapezoidal rule and simpson's rule to approximate the value of the definite integral âˆ«2,1 ln xdx; n =4
*March 6, 2012 by Anonymous*

**math**

Use the Trapezoidal Rule, the Midpoint Rule, and Simpson's Rule to approximate the given integral with the specified value of n. (Round your answers to six decimal places.) The integral of e^(3sqrt(t)) sin3t dt from 0 to 4. n=8
*July 1, 2014 by sara*

**calc: simpson's rule & arc length**

i'm still getting this question wrong. please check for my errors: Use Simpson's Rule with n = 10 to estimate the arc length of the curve. y = tan x, 0 <or= x <or= pi/4 .. this is what i did: y' = sec(x)^2 (y')^2 = [sec(x)^2]^2 [f'(x)]^2 = sec(x)^4 Integral of sqrt( 1 + ...
*June 13, 2007 by COFFEE*

**Math**

The measurements of a meadow were taken at 30 ft intervals. Use Simpson's Rule to estimate the area of the meadow with the following measurements: 76 ft, 118 ft, 130 ft, 143 ft, 139 ft, 136 ft, 137 ft, 139 ft, 130 ft, 122 ft, 60 ft
*December 11, 2012 by Savanah*

**Calculus**

Can someone explain to me how to do these? Given the following definite integral and n=4 answer the following questions. (Round your answers to six decimal places.) 1. Use the Trapezoidal Rule to approximate the definite integral. Answer: T4= 2. Use the Midpoint Rule to ...
*September 29, 2011 by Patrick*

**mathematics**

use Simpson's Rule with n=10 to approximate the area of the surface obtained by rotating the curve about the x-axis. y = xln(x) from 1 < x < 2
*June 29, 2012 by rohan*

**calculus**

use the trapezoidal and simpson's rule to approximate the value of the definite integral ∫2,1 ln xdx; n=4 compare your result with the exact value of the integral
*March 3, 2012 by wei_g*

**calculus**

use the trapezoidal and simpson's rule to approximate the value of the definite integral ∫2,1 ln xdx; n=4 compare your result with the exact value of the integral
*March 4, 2012 by maga*

**Integration**

What is integral [0 to 2] e^-x^2 dx You are talking about the error function. That integral cannot be expressed in a closed form in terms of other simple functions. The answer I get, taken from an error function table, is 0.99532 * [sqrt(pi)]/2 =0.88208... the whole question ...
*October 22, 2006 by 413*

**calculus**

Estimate the volume of the solid that lies below the surface z = xy and above the following rectangle. R = (x, y)|8 ≤ x ≤ 14, 4 ≤ y ≤ 8 Use a Riemann sum with m = 3, n = 2, and take the sample point to be the upper right corner of each square. (b) Use ...
*March 9, 2012 by john*

**Maths (Calculus)**

A current i = 50sin 100πt mA flows in an electrical circuit. Determine, using integral calculus, its a) Mean Value b) RMS Value each correct to 2 decimal places over the range t = 0 to t = 10 ms I need to do this two way so I was thinking of using the trapezoidal rule and...
*May 5, 2013 by Dylan James*

**computer program**

where can i find a computer code for Simpson's 1/3 Rule using c++? please help. thank you.
*October 21, 2010 by Raimu*

**Macroeconomics**

Economist John Taylor has suggested that the Fed use the following rule for choosing its target for the federal funds interest rate (r): r= 2% + ð + 1/2 (y-y*) / y* + 1/2 (ð - ð*), Where ð is the average of the inflation rate over the past year, y is real GDP as recently ...
*March 21, 2011 by Tamatha*

**McLoughlin**

1841. Describe what happened between Simpson and McLoughlin. In 1841, Simpson toured the area again and discovered that the fur trade was not expanding as he had hoped. He decided to consolidate the operations of the maritime fur trade. All coastal posts were to be closed, ...
*June 4, 2011 by Emma*

**Calculus - Derivatives**

The approximation to a definite integral using n=10 is 2.346; the exact value is 4.0. If the approximation was found using each of the following rules, use the same rule to estimate the integral with n=30. A) Left Rule B) Trapezoid Rule The section deals with approximation ...
*September 29, 2008 by UMich1344*

**statistics**

mean=20, standard deviation =6.Use the emperical rule to estimate the probabilty that a randomly chosen patient had to wait more than 26 min. Of 2000 patients, estimate the # of patient having to wait more than 26 mins
*November 12, 2012 by Anonymous*

**Calculus**

The area a meadow was approximated by measuring the length of the meadow at 30-foot intervals. THe distances measured across the meadow were 76 ft, 118 ft, 130 ft, 143 ft, 139 ft, 136 ft, 137 ft, 139 ft, 130 ft, 122 ft, and 60 ft. Use Simpson's Rule to approximate the area of ...
*February 26, 2011 by Lena*

**chemistry**

Chlorobenzene boils at 131.8C. Use Trouton's Rule to estimate deltaH of vaporization.
*April 12, 2011 by lada*

**social studdies**

posted this yesterday, some person replied. not sure if shes right. 1841. Describe what happened between Simpson and McLoughlin. In 1841, Simpson toured the area again and discovered that the fur trade was not expanding as he had hoped. He decided to consolidate the operations...
*June 5, 2011 by Emma*

**pure maths **

use trapezium rule with 3 intervals to estimate the value of intergrating x=0 and x=3 squarerooting 1+xsquared
*January 24, 2010 by marie*

**math**

(a) Use the Midpoint Rule and the given data to estimate the value of the integral I. (Give the answer to two decimal places.) I = int_0^3.2 f(x)dx 1 x f(x) x f(x) 0.0 7.3 2.0 8.8 0.4 6.8 2.4 7.3 0.8 8.1 2.8 7.6 1.2 7.6 3.2 7.3 1.6 8.2 (b) If it is known that -5 ≤ f''(x...
*February 3, 2009 by josh*

**PHYSICS**

4)SIMPSON DRIVES HIS CAR WITH AN AVERAGE VELOCITY OF 48.0KM/H TO THE EAST. HOW LONG WILL IT TAKE HIM TO DRIVE 144KM ON A STRAIGHT HIGHWAY? 5)LOOK BACK AT QUESTION 4 . HOW MUCH TIME WOULD SIMPSON SAVE BY INCREASING HIS AVERAGEVELOCITY TO 56.0KM/H TO THE EAST?
*September 5, 2007 by Susie*

**science**

a go-cart moves along a circular track of radius 100ft such that its speed for a short period of time , 0 is less than t which is less than 4s, is v=60(1-e^t^2)ft/s. Determine the magnitude of its acceleration when t=2s? How do you figure this out while using Simpson's rule ...
*November 3, 2008 by sarah*

**Math Personal Finance**

A friend tells you that her savings account doubled in 9 years. Use the Rule of 72 to estimate what the APR of her account was.
*June 8, 2014 by Alexis*

**calculus**

Estimate the area of the region under the curve y = ln(x) for 1 ≤ x ≤ 4. Use the left hand rule with n = 50. Give your answer to four decimal places.
*November 19, 2009 by Dana*

**Calculus**

Estimate the area of the region under the curve y = ln(x) for 1 ≤ x ≤ 4. Use the left hand rule with n = 50. Give your answer to four decimal places.
*November 19, 2009 by Dana*

**calculus**

Estimate the area of the region under the curve y = ln(x) for 1 ≤ x ≤ 5. Use the left-hand rule with n = 50. (Round your answer to four decimal places.)
*November 14, 2011 by Anonymous*

**Physics**

please show me how to solve these: 1. Simpson drives his car with an average velocity of 48.0 km/h to the east. How long will it take him to drive 144 km on a straight highway? answer=3.00 h 2. How much time would Simpson save by increasing his average velocity to 56.0 km/h to...
*January 30, 2009 by y912f*

**Calculus**

The widths (in meters) of a kidney-shaped swimming pool were measured at 3-meter intervals as indicated in the figure. Use the Midpoint Rule with n = 4 to estimate the area S of the pool if a1 = 15.5, a2 = 18, a3 = 17, a4 = 14, a5 = 12.5, a6 = 12, and a7 = 12.
*November 9, 2011 by Ethan*

**statistics**

Give an estimate for each expression in Exercises, Then state whether you believe that the exact answer is greater than or less than the estimate. Explain how you decided. Use a calculator to check the accuracy of your estimate. 978 X 66
*July 10, 2010 by Dani*

**Calculus**

How do I use the chain rule to find the derivative of square root(1-x^2) also, are there any general hints or tips for determining when the chain rule and product or quotient rule should be used?? i'm having trouble discerning when both the chain rule and either the quotient ...
*October 7, 2008 by Elizabeth*

**Math Personal Finance**

A friend tells you that her savings account doubled in years. Use the Rule of 72 to estimate what the APR of her account was. APR=____%
*June 8, 2014 by Alexis*

**statistics**

A university wants to estimate the average distance that commuter students travel to get to class with an error of ±3 miles and 90 percent confidence. What sample size would be needed, assuming that distances are normally distributed with a range of X = 0 to X = 50 miles, and ...
*October 24, 2012 by Anonymous*

**physics**

part 1 Simpson drives his car with an average veloc- ity of 47.5 km/h to the east. How long will it take him to drive 137 km on a straight highway? Answer in units of h part 2 How much time would Simpson save by in- creasing his average velocity to 105 km/h to the east? Answer...
*September 6, 2011 by ashley*

**Differentiation**

How do you find f'(x), f''(x) of f(x) =ln (1-x) IF f(x) = ln (1-x) Then use the chain rule with u(x) = 1-x f(u) = ln u df/dx = df/du du/dx f'(x) = -1/(1-x) Use the chain rule again: f"(x) = -[-1/(1-x)^2]*(-1) = -1/(1-x)^2 What is the pattern there how can you give an ...
*November 25, 2006 by Jill*

**math**

The demand for the video game is modeled by the logistic curve, where q(t) is the total number of units sold t months after its introduction. q(t)= 10000/(1+0.5 e**(-0.4t)) (a) Use technology to estimate q'(4) to the nearest integer. mark units per month (b) Assume that the ...
*October 14, 2011 by Beth*

**MATH!**

What initial investment would I have to make at 6% per year compounded semi-annually in order to end up with $1,000,000 in 29 years if I didn't make any monthly contributions. a) estimate using the rule of 72. Explain how you came up with your estimate. b) calculate exactly.
*August 6, 2013 by Madeline*

**4th grade**

Exploring Algebra: What's the rule? You can find patterns to figure out the tables. What is an "In" and an "Out" number - when the In numbers are greater than the out numbers, does the rule use addition or subtraction? what's the rule? HELP!!!!!
*September 15, 2009 by JoCar*

**calculus**

consider the initial value problem dy/dx=y^2+1, y(0)=0. estimate y(2) 1) use h=1 to compute your estimate I got x1=1 x2=2 y=1=1 y2=3 2)use h=1/2 to compute your estimate I got x1=1/2 x2=1 x3=1.5 x4=2 y1=1/2 y2=9/8 y3=289/128 y4=5.306671143 3) use h=1/8 to compute your answer ...
*March 21, 2011 by blue*

**Statistics**

A researcher wishes to estimate the proportion of adults who have high-spped internet access. What size sample should be obtained if she wishes the estimate to be within .02 with 90% if A) She uses a previous estimate of 0.48? B) She does not use any prior estimates? Please ...
*May 5, 2013 by Megan*

**Calculus**

Use the General Power Rule or the Shifting and Scaling Rule to find the derivative of the function given below. y = e^(16 – 3x^2)
*June 20, 2010 by Daisy*

**Biology**

I'm confused on the rule of multiplication and the rule of addition. When do I use each to determine the probability of a genetic trait being inherited.
*March 4, 2012 by Peter*

**Pre-Calculus**

Find dy/dx if y= x^6[(x^2-9)^8]? So the answer is supposed to be 2x^5[(x^2-9)^7](11x^2-27), but I don't understand how to get it. Do you use product rule, chain rule or both? thanks
*January 29, 2014 by Ann*

**calc2**

Use L’Hopital’s rule to find the limit of this sequence (n^100)/(e^n) ...If you do L'Hop. Rule it would take forever, right? You would always get an (e^n) at the bottom and will have to use the L'Hop. rule 100 times to find the limit...100*n^99, 9900n^98, and etc. Is there a ...
*January 30, 2012 by lola*

**calc**

Use L’Hopital’s rule to find the limit of this sequence (n^100)/(e^n) ...If you do L'Hop. Rule it would take forever, right? You would always get an (e^n) at the bottom and will have to use the L'Hop. rule 100 times to find the limit...100*n^99, 9900n^98, and etc. Is there a ...
*February 1, 2012 by lola*

**Calculus**

Can anyone explain how to use the chain rule and power rule together to find the first derivative and please do these examples. f(x) = -3x^4/(sqrt(4x-8)) g(x) = ((2x+5)/(6-x^2)^4 g(x) = (8x^3)(4x^2+2x-3)^5 y = [1/(4x+x^2)^3]^3 Thank you so much!
*May 22, 2008 by Alex*

**Calculus**

Use the table of values to estimate ⌠6 ⎮ f(x)⋅dx ⌡0 Use three sub intervals and the (a) left endpoints, (b) right endpoints, and (c) midpoints. If f is an increasing function, how does each estimate compare with the actual value? Explain your reasoning...
*November 9, 2009 by Carl*

**Calculus**

L'Hospital's Rule Lim(lnx)^(x-1) x->1+ This is what I did so far... Form: 0^0 ln(lnx)/ (1/x-1) ----------------------------------- I am not sure if you could use L'Hospital Rule (as stated in the instruction)for the 2 problems below: lim [ln(y^2+2y)]/[lny]=1 y->0+ lim ...
*January 31, 2008 by Anonymous*

**stats**

To estimate the mean score of those who took the Medical College Admission Test on your campus, you will obtain the scores of an SRS of students. From published information you know that the scores are approximately Normal with standard deviation about 6.4. You want your ...
*November 6, 2013 by Aman*

**math check and help**

A random sample of the amount paid (in dollars) for taxi fare from downtown to the airport was obtained. (Give your answers correct to two decimal places.) 16 17 22 13 21 23 22 18 13 22 19 20 19 22 16 (a) Use the data to find a point estimate for the mean. $ 18.87 . (b) Use ...
*June 15, 2013 by Tom 81*

**socials**

wat r main factors of population change? jobs people get? i really not understand this. what meant by exponential rate of growth? rule of seventy? i think it means rapid rate of increase as each generation doubles in size. rule of seventy mean way to estimate number of years ...
*January 4, 2012 by Mohammad*

**ALGEBra Estimate**

need to estimate to find quotient: -476 / 90 ESTIMATE IS -450 / 90 IS -5 IM NOT UNDERSTANDING ESTIMATE FOR 538/ (-63) 479 / (-61)
*September 20, 2011 by MARKO*

**math **

Use rounding to estimate the product 12*9. Then, use compensation to find the actual answer. If Alison was rounding to find how much 12 books that were $9 apiece cost, would she get a good estimate? Explain.
*September 18, 2012 by GamerGuy*

**Math**

I Have to answer the game, "what's my rule" I've tried everything. I do not know if the teacher made a mistake in the problem. When x=1, y=3 x=2, y=6 x=3,y=12 x=4, y=24 I see that Y is doubling, but I need a rule to use with variable Thanks!
*March 5, 2012 by Scott*

**MoRe HeLp PlEaSe!! (calc)**

Also can I get some help with this LONG, TIRESOME PROBLEM? Find the derivative using the chain rule. f(x)= ((3x-7)/(6x+3))^4 Thanks a lot! (68/(12x^2+12x+3))*[(3x-7)/(6x+3)]^3 you should double check the answer multiply 4((3x-7)/(6x+3))^3 by the derivative of (3x-7)/(6x+3), ...
*February 21, 2007 by Confused*

**English**

A: Hello, may I speak to Andy? B: Sorry, he's out. ______, please? A: This is Harry Simpson. 1. Who calls 2. Who's calling 3. Who is this (Which expressions can be put in the blank? Is #1 correct? Can we use some other expressions? I think #2 and #3 are OK.)
*December 9, 2010 by rfvv*

**Calculus**

y= [(x-3)/(x^2+1)]^2 I know that I would use the product rule on the whole equation inside the brackets. But would i also do the quotient rule bc of the division?
*January 19, 2012 by Aaron*

**Calculus**

y= [(x-3)/(x^2+1)]^2 find the derivative. I know i would start off with the chain rule. but would i then continue on and use the quotient rule next?
*January 19, 2012 by Aaron*

**4th grade**

(math) find a rule. writhe the rule as an equasion. use the equasion to extend the pattern.
*October 1, 2009 by Becky*

**Calculus **

Use newtons method and the function f(x)=x^2-a to derive the mechanics rule. Mechanics Rule for approaching sqrt(a), a>0, is Xn+1=1/2(Xn+a/Xn), n=1,2,3,...
*July 20, 2012 by Elizabeth*

**calculus**

how do not understand how to find a deriviative of this function?Do i use chain rule and product rule? r= the square root of (theta*sin*theta)
*October 18, 2009 by carolina*

**statistics**

A set of data consists of 90 observations between 350 and 950. a) What rule would you use to find the number of classes? Use this rule to determine the number of classes? b) What formula would you use to determine the class width or length? Use that formula to determine the ...
*February 9, 2013 by pat*

**4th grade math**

3. Writing to Explain Use rounding to estimate the product 13 ! 9. Then, use compatible numbers to find the actual answer. If Alison was rounding to find how much 13 books that were $9 apiece cost, would she get a good estimate? Explain
*August 29, 2012 by Paulette*

**CALCULUS**

Use the product rule to calculate the derivative. dh dx x = 4 , h (x) = (x^(-1/2) + 7x)(9 - x^-1) very weird.. i know how to do it, i used product rule and got an answer in decimal but the website is not accepting it. Can any one help me?...
*September 18, 2010 by Jacob*

**Calculus**

Let f(x)= 5x ------- x–2 are we supposed to use the quotient rule? how would we do this. I did the quotient rule and got it wrong. (x-2)(5)-(5x)(1) ------------------ (x-2)^2
*April 29, 2008 by John*

**I would like to understand my calc homework:/**

Consider the differential equation given by dy/dx=(xy)/(2) A) sketch a slope field (I already did this) B) let f be the function that satisfies the given fifferential equation for the tangent line to the curve y=f(x) through the point (1,1). Then use your tangent line equation...
*March 27, 2013 by Amber*

**statistics**

Suppose 95% of the data fall between 1.4 and 46.8. Using the empirical rule, give an estimate of the standard deviation. Thanks
*April 13, 2011 by Darci*

**3rd grade math**

front end estimation to estimate the sum...like..436+517= ~~~~~~also we have some problems that say use rounding to estimate the sum...like..236+710=....DO WE DO BOTH OF THESE THE SAME WAY??? solve then estimate??? my child has been out from school for a few days sick and ...
*October 20, 2010 by Anonymous*

**calculus**

how do not understand how to find a deriviative of this function?Do i use chain rule and product rule? r= the square root of (theta*sin*theta) No one has answered this question yet.
*October 18, 2009 by carolin*

**Math**

Help, I can't find the pattern rule for this sequence(eg. -6,-3,2,9,18 and the pattern rule is n squared-7) The pattern: 6,28,64,114,178. What's the pattern rule? The pattern: 96,84,64,36. What's the pattern rule? The pattern: 0,24,216,960. What's the pattern rule?
*November 2, 2011 by Abigail*

**precal**

Suppose Joan has $5,000 to invest. The banks are offering 3.10% interest. Bank A compounds interest continuously, while Bank B compounds interest semiannually. Use the Rule of 72 to estimate how much time it would take to double Joan's investment in Bank A.
*September 10, 2010 by Anonymous*

**math**

Curtis found a rule for a table. The rule he made is y=7x. What does the rule tell you about every y value?
*March 24, 2010 by Marsha*

**math**

Curtis found a rule for a table. The rule he made is y=7x. What does the rule tell you about every y=value?
*April 12, 2012 by Anan*

**Statistics**

Can someone help me do this problem? A group of environmentalist are trying to estimate the population of the state rid in clear view park. They capture a sample of 500 birds in early spring and tag them. in august they capture 215 birds, of which 20 are tagged. a) use the ...
*December 12, 2013 by Tina*

**calculus**

consider the integral [cos(x^3)dx,0,0.5]. Approximating it by the Midpoint Rule with n equal subintervals, give an estimate for n which guarantees that the error is bounded by 1/10^4
*March 5, 2012 by ryan*

**science**

Estimate the pH of water in equilibrium with CO2 with a concentration of .008867M. Use equilibrium concepts to estimate? Is Kc equilivate to the pH?
*September 2, 2010 by Eileen*

**Math Explanation**

Carl needs to estimate the quotient 547/92=. Explain how Carl could use compatible numbers to make a reasonable estimate.
*October 10, 2013 by Jake*

**math**

Working on exploring algebra: Whats the Rule I understand the rules of In and out but cannot find rule with variable? Do I make up my own because the in and out equations are all correct. Please help. Ex. In 2 out 6 rule is add 4 what is rule with variable?
*January 24, 2011 by claire*

**Calculus**

In this exercise, we estimate the rate at which the total personal income is rising in a metropolitan area. In 1999, the population of this area was 942,200, and the population was increasing at roughly 9100 people per year. The average annual income was $34,549 per capita, ...
*November 1, 2011 by Nyke*

**math**

how do you add and subtract + and - numbers? Is there a rule? Yes. The adding rule is this: If the signs are the same, add the numbers directly, then use the sign of the numbers. If the signs are different, Subtract the smaller from the larger, and use the sign of the larger. ...
*September 15, 2006 by robin*

**geometry**

Find a coordinate rule for a reflection across the line y = 2x. Then use the rule to find the image of triangle ABC = [ 2 6 0 ] [ 3 -4 4 ]. Be sure to clearly show your work indicating how you found your rule. In addition write the coordinate matrix for triangle A'B'C'. Graph ...
*March 1, 2010 by lia*

**2nd grade Math**

Guess my rule with 2 rules. Rule 1:White Diamond,White Square, White Trapezoid Rule 2: Grey Pentagon,Grey Oval, Grey Triangle Fits both rules: Grey Rhombus, Grey Rectangle 1. Guess Rule A: Has 4 sides and 4 corners 2. Guess Rule B: ?? 3. What shape fits both rules? 4. What ...
*January 21, 2009 by Jessica*

**calc**

I was given a decreasing concave down graph of the integral F(x) from 0-8. i have to say whether the following are greater then, less then,equal to, or unable to determine each other 1. T (greater then) M 2. T (greater then) R 3. M (less then) S 4. S ? actual integral where t=...
*January 30, 2008 by sarah*

**CALC**

I was given a decreasing concave down graph of the integral F(x) from 0-8. i have to say whether the following are greater then, less then,equal to, or unable to determine each other 1. T (greater then) M 2. T (greater then) R 3. M (less then) S 4. S ? actual integral where t=...
*January 30, 2008 by sarah*

**5th grade Math**

Find the product. Estimate to check. 0.12 X 04 _______ O.108 How do I estimate to check? 0.07 X 9.2 ________ 0.644 How do I estimate to check? 0.848 X 3.2 _________ 2.7136 How do I estimate to check? Choose the better estimate 22 X 0.6 a.(12) b.(1.2) I chose a 2.3 X 4.8 a.(10...
*October 4, 2009 by Please Help*

**GUESS MY RULE WITH LETTERS **

I CAN`T FIND OUT WHAT THE RULE IS I KNOW THAT THE LETTERS THAT ARE IN THE RULE ALL HAVE STRAIGHT LINES N THE ONES THAT DO NOT FIT ALL HAVE CURVES I JUST NEE TO KNOW WHAT THE RULE IS PLEASE SOMEONE HELP ME
*January 6, 2014 by MELISSA*

**Math**

Use a radius of 50 and 3 for pi to estimate the area. Then use a radius of 40 and 3 for pi to estimate the area. Is your answer reasonable? Why?
*March 7, 2012 by Laurie*

**math using rule 78 **

a loan for $400 is to be paid off in 66 months witha payment of $11.62 The borrowee pays it off in 18 months use rule 78 to find the interest saved
*December 16, 2012 by sasha*

**Algebra**

Clark's Rule is commonly used to calculate the childresn's dosage of medication: Clark's Rule is: C=A x W/150 Use the rule to calulate thr problem C- child's dose A= adult's dose W=weight of child in pounds How much would a child need to weigh to receive the adult dosage if ...
*February 8, 2008 by G*

**Algebra**

Clark's Rule is commonly used to calculate the childresn's dosage of medication: Clark's Rule is: C=A x W/150 Use the rule to calulate thr problem C- child's dose A= adult's dose W=weight of child in pounds How much would a child need to weigh to receive the adult dosage if ...
*February 8, 2008 by G*

**Discrete Math**

I am really stuck on these problems. I've worked a lot of them but I can't get these. Sometimes I think I know the answer but I can't show how I got it. 1.) Solve each matrix equation for X. 2X + 5A = B 2.) Find the following matrices: a. AB b. BA A= 2 4 3 1 4 2 B= 3 2 0 -1 -3...
*February 25, 2010 by Ryan*

**Calculus**

Use Leibniz's rule to find dy/dx. **Leibniz's rule: If g(x) and h(x) are differentiable functions and f(u) is continuous for u between g(x) and h(x), then d/dx of the integral from g(x) to h(x) of f(u) du = f[h(x)]h'(x) - f[g(x)]g'(x) y = the integral from 2+x² to 2 of (cot t...
*October 2, 2011 by Shelby*

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