Wednesday
May 22, 2013

Search: estimate

Number of results: 3,360

algebra w o r d Problem
yes, however, most people use estimate to estimate, not use a calcuator. Examples: estimate 227 divided by 23: estimate (mine) 10 estimate 333 times 14: my estimate 3330+1300=4600 Estimate usually means "approximately", and estimates are results of mental math, not ...
Thursday, October 13, 2011 at 8:21pm by bobpursley

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)
Tuesday, September 20, 2011 at 9:33pm by MARKO

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...
Sunday, October 4, 2009 at 12:10am by Please Help

Math
Melvin estimate 645 + 322 by adding 600 + 300. Is his estimate sum an over or under estimate please? Ty
Thursday, September 15, 2011 at 9:02pm by Kelly

math estimate
can you check: i need to estimate the value of each expression: 7+3q: q = 7.6 i got: 29.8 estimated to : 30 2m^2 - 3m ; m = 1.6 i got: 0.32 estimate to : .3 is that right? x^2 + 7x - 19; x = 4.21 i got: 28.1941 estimate to: 28.2 is that right?
Saturday, September 8, 2012 at 5:20pm by marko

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
Saturday, July 10, 2010 at 1:38am by Dani

algebra estimate
SO IT WOULD BE -476 / 90 ESTIMATE IS -450 / 90 IS -5 IM NOT UNDERSTANDING ESTIMATE FOR 538/ (-63) 479 / (-61)
Tuesday, September 20, 2011 at 8:54pm by MARKO

Math
Jenna lives 4 3/10 miles from school, she estimates that she travels 4 x2x5 or 40 miles each week. Is her estimate an over estimate or underestimate? I think it is under estimate but not sure?
Tuesday, February 12, 2013 at 5:23pm by Jared

Math: Calculus
what is f(x) at x=4,6, 8 area=f(4)*2+f(6)*2 + f(8)*2 that is three rectangles of width 2, height to f(x)(left end point). How in the world would you estimate to five digits of precision. "estimate" f(4)=24 f(6)=48 f(8)=80 estimate: you do it. Twice the sum of those ...
Friday, November 12, 2010 at 7:02pm by bobpursley

Math
Estimate the number of personally constructed greeting cards possible at a machine if there are 12 designs, 30 messages, 18 closings, and 10 different paper stocks on (1 + 1)n, which to print the card. Indicate how you made your estimate. How valid was your estimate?
Thursday, May 20, 2010 at 1:38pm by Felicia

math
Estimate the number of personally constructed greeting cards possible at a machine if there are 12 designs, 30 messages, 18 closings, and 10 different paper stocks on which to print the card. Indicate how you made your estimate. How valid was your estimate
Friday, October 9, 2009 at 11:40pm by Aleah

Elem. Math
Estimate the number of personally constructed greeting cards possible at a machine if there are 12 designs, 30 messages, 18 closings, and 10 different paper stocks on (1 + 1)n, which to print the card. Indicate how you made your estimate. How valid was your estimate
Saturday, January 23, 2010 at 4:54pm by LB

MATH Prob.
Estimate the number of personally constructed greeting cards possible at a machine if there are 12 designs, 30 messages, 18 closings, and 10 different paper stocks on which to print the card. Indicate how you made your estimate. How valid was your estimate?
Wednesday, August 12, 2009 at 12:29am by Twg

algebra
Newton's method. Estimate the square root. Divide the estimate into the original number. Then look at the result. If it is higher than the estimate, go half way of the difference an repeat. Example: sqrt 25 estimate:4 25/4=6.25 half way between 4 and 6.25 is 5.13 25/5.13=4...
Tuesday, July 6, 2010 at 3:45pm by bobpursley

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 ...
Sunday, May 5, 2013 at 5:22pm by Megan

statistics
2. An investigator wants to estimate caffeine consumption in high school students. How many students would be required to estimate the proportion of students who consume coffee? Suppose we want the estimate to be within 5% of the true proportion with 95% confidence.
Sunday, November 18, 2012 at 12:48am by bobbie ann johansen

estimate
Estimate the number of breaths taken during 70 years, the average life span of a person. Estimate the number of times your heart beats in an average day. And your thinking is...? We will be happy to critique your thinking or work.
Wednesday, September 6, 2006 at 8:37am by anonymous

Calculus
estimate? length x width x height is a pretty good estimate.
Wednesday, April 25, 2012 at 4:02pm by bobpursley

3 grade math
estimate to the underline place. estimate the product. 23*9 =
Sunday, January 29, 2012 at 7:31pm by Anissa

Math
No. Doubling the divisor doesn't yield a realistic estimate. I'd estimate 150 divided by 5.
Wednesday, August 15, 2012 at 9:56pm by Ms. Sue

math
My estimate is about 12 1/2 What is your estimate?
Thursday, January 26, 2012 at 5:17pm by Ms. Sue

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 ...
Wednesday, October 20, 2010 at 7:17pm by Anonymous

math
Estimate. 247 * 974 a. Write your estimate as a number sentence: ________________ b. How I estimated : ________________________________
Tuesday, August 21, 2012 at 6:19pm by DAVID

math
estimate: 388 is 400 192 is 200 741 is 700 add: estimate is 1300
Thursday, September 8, 2011 at 9:44pm by bobpursley

physics
Estimate the number of times you sneezed during the past year. Describe how you arrived at this estimate.
Monday, January 31, 2011 at 2:38pm by goodness

math
A government survey conducted to estimate the mean price of houses in a metropolitan area is designed to have a margin of error of $10,000. Pilot studies suggest that the population standard deviation is $70,000. Estimate the minimum sample size needed to estimate the ...
Sunday, July 15, 2012 at 5:25pm by Vivian

math
A government survey conducted to estimate the mean price of houses in a metropolitan area is designed to have a margin of error of $10,000. Pilot studies suggest that the population standard deviation is $70,000. Estimate the minimum sample size needed to estimate the ...
Sunday, May 6, 2012 at 5:37pm by jennifer

Math
Your answer is correct. Do the problem with pencil and paper. Or -- if your teacher wants you to estimate, 75 is a good estimate.
Wednesday, November 30, 2011 at 4:49pm by Ms. Sue

Math
Describe the end behavior and estimate the x-and y-intercepts for each function. Estimate to the nearest tenth when necessary. y=-2x^5+x^3
Thursday, April 22, 2010 at 4:57pm by Jennifer

Math
Describe the end behavior and estimate the x-and y-intercepts for each function. Estimate to the nearest tenth when necessary. y+-2x^5+x^3
Thursday, April 22, 2010 at 4:57pm by Jennifer

estimate
Estimate the following products or quotients.
Saturday, March 17, 2007 at 12:43am by carmen

math
estimate using compatible numbers or other methods. estimate by rounding 123,786-82,004=
Wednesday, August 24, 2011 at 7:10am by stephanie

Math
Yes, your method satisfies what the teacher needs, namely give an estimate of the value, and be able to state whether the exact answer is higher or lower than your estimate. If you want to have a closer estimate (or even the exact answer), here's what I would do, knowing ...
Tuesday, June 9, 2009 at 7:55pm by MathMate

estimate
Estimate the following products or quotients.17 11/12 ÷ 6 1/10 215/12*10/61 1,075/366 2.93715847 or 2.94 I actually wonder if they want you to estimate it BEFORE you figure it out. 17 11/12 is close to 18. So let's call that 18. 6 1/10 is close to 6 So now we have ...
Saturday, March 17, 2007 at 12:47am by carmen

statistics
As long as the estimate is only generalized to her listeners, rather than trying to generalize to the population as a whole, it would be a good estimate.
Sunday, May 6, 2012 at 3:45pm by PsyDAG

math
We often estimate when we don't have pencil and paper or a calculator handy. For instance, we may estimate the total of our purchases in a store to make sure we have enough money to pay for them. To estimate, we round the numbers to numbers that are easy to figure in our ...
Tuesday, February 12, 2013 at 5:14pm by Ms. Sue

statistics
A researcher wishes to estimate the mean height of women aged between 60 and 65 in the US. She desires a margin of error of 0.2 inches. Past studies suggest that a population standard deviation deviation of 3.2 inches is reasonable. Estimate the minimum sample size needed to ...
Monday, January 23, 2012 at 10:02pm by dan

math
if a school has a hot-dog special for lunch. there are 18 classrooms and there are 28 students in each class. estimate to the nearest ten to find out about how many hot dogs does the school need to order? Wouldn't it be 20 x 30? This looks like a very rough estimate. How ...
Tuesday, October 24, 2006 at 5:39pm by samira

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
Monday, December 12, 2011 at 9:24am by kyle

Statistics
Consider a study in which the population variance estimate based on treatment group of 14 participants is 8, and the population variance estimate based on a control group of 17 individuals is 9. Compute the pooled estimate of population variance. - 7.25 - 8.55 - 9.22 - 10.05
Sunday, October 11, 2009 at 10:13am by Trey

statistics
Consider a study in which the population variance estimate based on treatment group of 14 participants is 8, and the population variance estimate based on a control group of 17 individuals is 9. Compute the pooled estimate of population variance.
Monday, May 31, 2010 at 11:56am by liz

math
You don't know how to estimate very well -- but you should at least try. You're not going to estimate if you depend on others for your answers. Study the problems I showed you before.
Tuesday, August 28, 2012 at 7:20pm by Ms. Sue

5th math
Estimate and solve. 214+182= Estimate___________ Solution____________ 1,532-176= estimate:_____ can you please show the work too thanks!! Solutionz:____
Wednesday, October 27, 2010 at 12:00am by pat

math
Consider the following method of estimating Fahrenheit temperatures given Celsius temperatures (which was stated earlier in this section): To estimate the Fahrenheit temperature for a given Celsius temperature, double the Celsius temperature and add 30. Create a spreadsheet ...
Wednesday, October 28, 2009 at 12:54pm by jeng

Square Roots
1. Which two square roots are used to estimate the square root of 5? 2. Estimate the value of the square root of 43 to the nearest integer. 3. An estimate for the negitive square root of 66 is?
Monday, September 24, 2012 at 6:25pm by Jamin

statistics
If you have no preliminary estimate for p, how many business phone calls should you include in a random sample to be 98% sure that the point estimate will be within a distance of 0.034 from p
Monday, December 5, 2011 at 9:30pm by Anonymous

math
i have $30.00 to spend on a dress the sales tax is 5%.About (estimate)how much can the dress cost if i want to spend all my money? ---need an answer ive done this over and over but confused on the estimate part. 30.00 x.005%= 29.50 but what is the estimate have to do with it?
Wednesday, April 21, 2010 at 5:35pm by sharon

calculus
Estimate 1/(sqrt(82)) using linear approximation and the exact value for 1/(sqrt(81)) Your estimate:
Sunday, October 30, 2011 at 8:24pm by saud

Calculus
calculate the first 30 partial sums for: A)1- 1/2 + 1/3 - 1/4 + 1/5 -... B) 1 + 1/3 - 1/2 + 1/5 + 1/7 - 1/4 + 1/9 +1/11 - 1/6 +... C)1 + 1/3 + 1/5 - 1/2 + 1/7 + 1/9 + 1/11 - 1/4 +... Then estimate what A and B converge to and estimate the error.
Tuesday, October 12, 2010 at 4:55pm by Stans

Math
fourth grade Sara estimate 32x45 by using 30x40. How could Sara make a more accurate estimate?
Monday, October 22, 2012 at 9:00pm by arnesia

calculus III
calculate the first 30 partial sums for: A)1- 1/2 + 1/3 - 1/4 + 1/5 -... B) 1 + 1/3 - 1/2 + 1/5 + 1/7 - 1/4 + 1/9 +1/11 - 1/6 +... C)1 + 1/3 + 1/5 - 1/2 + 1/7 + 1/9 + 1/11 - 1/4 +... Then estimate what A and B converge to and estimate the error.
Wednesday, October 13, 2010 at 12:01am by stans

math
estimate quotient and divide (how do you estimate the quotient? 552 divided by 71,520 I dont understand the steps.
Thursday, November 6, 2008 at 1:09pm by Jake

math
That's pretty precise for an estimate. I'd estimate 8 * 10 = 80. (49/6) * (39/4) = 79 15/24 = 79 5/8
Sunday, January 20, 2013 at 7:27pm by Ms. Sue

math
Do this problem the same way I've shown you for the other problems. Hint: First estimate your answer. Then play around with the numbers you're given til you come close to your estimate.
Sunday, December 18, 2011 at 10:24pm by Ms. Sue

stastics
I'm having a hard time with question, can someone help me? A random sample of medical files is used to estimate the proportion p of all people who have blood type B. If you have no preliminary estimate for p, how many medical files should you include in a random sample in ...
Sunday, December 19, 2010 at 6:52pm by Kim

statistics
if no preliminary sample is taken to estimate p, how large a sample is necessary to be 87% sure that the point estimate will be within a distance of 0.04 from p?
Wednesday, April 24, 2013 at 6:05pm by Robin

Statistics
An investigator wants to estimate caffeine consumption in high school students. How many students would be required to ensure that a 95% confidence interval estimate for the mean caffeine intake is within 15mg of the true mean? Assume the standard deviation in caffeine intake ...
Saturday, April 21, 2012 at 2:43am by Shavela

math
magnitude estimate for 9.3*2.8=_ The exact answer for 9.3*2.8 is 26.04, but we only have 2 significant figures in each of the factors, so 26 is the estimate. about 18
Tuesday, September 19, 2006 at 6:00pm by ossie

Math
Using rounding, I'd divide 800 by 4 to estimate 200. Estimate is the key in this question. If you used a calculator, then 783/4 = 195.75 = 196 rounded to the nearest whole number.
Thursday, June 18, 2009 at 7:31pm by Ms. Sue

Pre-Algebra
You can use the same method of interpolation requested by the earlier question. A higher accuracy required can be obtained by choosing a better initial guess. In this case, we choose 33 (*33=1089, <1100) and 34 (*34=1156, >1100). 33*33=1089 34*34=1156 sqrt(1100...
Friday, June 5, 2009 at 12:18pm by MathMate

HELP! Statistics
Which of the following statements about the margin of error is false? 1. Statisticians routinely construct interval estimates by making their point estimate the interval center and creating a range of other possible values, known as the margin of error, below and above the ...
Wednesday, November 24, 2010 at 5:50pm by Felicia

math
number sense Fern rounded to the nearest ten to estimate 548-132 she subtracted 540-130 and got 410 Is Fern's estimate correct? Explain
Tuesday, September 25, 2012 at 5:01pm by Phyllis

math
Estimate 6,602 minuse 2,344. Everyone has different estimates. Estimate= Just a guess, not the real answer. *Use a calculator for the full answer.* I would say, 4,180. ;)
Tuesday, September 22, 2009 at 10:30pm by Dean

math
First estimate answer then divide to find exact answer. Simplify all answers. 2 2/3 divided by 10 2/3 I don't understand how to estimate the answer.
Wednesday, April 25, 2012 at 3:31am by Kristina

6.29
Beast estimate of 6.2992 would be 4 or 8. I was doing a question an answer is 6.29 but there is no 6.29 in option and they ate asking best estimate.
Friday, December 2, 2011 at 10:20pm by Madad

Elementary Statistics
1) Construct a confidence interval of the population proportion at the given level of confidence. x=60,n=300, 99% confidence. The 99% confidence interval is (_,_) 2) A researcher wishes to estimate the proportion of adults who have high-speed internet access. What size sample ...
Wednesday, June 6, 2012 at 10:22pm by Erin

math
14.9-10.1 They wanted me to choose the best estimate. What does estimate means? they arived at the answer 5. Estimate means to take an educated guess at the answer. In this problem, 14.9 is almost 15. 10.1 is about 10. 15 - 10 = 5. Oh thanks. I understand this one. Oh thanks. ...
Tuesday, June 26, 2007 at 6:33pm by Mack

3rd grade math
i need help!! if the estimate is greater than or equal or 1,500, find the exact sum. if the estimate is less than 1,500, do not solve the problem. 867+734=1601 number model:_______________? thank you!
Monday, January 4, 2010 at 9:53pm by pat

physics
Estimate the buoyant force that air exerts on you. (To do this, you can estimate your volume by knowing your weight and by assuming that your weight density is a bit less than that of water.) Assume that your weight is a about 1000 N, for example.
Saturday, March 31, 2012 at 9:26am by C

Statics
An automotive engineer wants to use 64 test runs to estimate the true mean tire stopping distance. The standard deviation is assumed to be 32 feet. What is the probability that the error of the estimate will be more than 4 feet?
Sunday, December 2, 2012 at 10:43am by Heather

Calculus
Find the local linearization of g(x)=sqrt 4x near x=2 use local linearization to estimate g(2.05) is your estimate too high or too low?
Friday, December 21, 2012 at 6:41pm by Clay

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?
Thursday, September 2, 2010 at 12:31pm by Eileen

5th grade math
Find The Product. Estimate to check. 0.12 X 0.9 = 10.8 or is it .108? estimate is 12 X 10 =120 Is this correct? Thank you
Sunday, October 4, 2009 at 9:45pm by Please Help

physics
Estimate the buoyant force that air exerts on you. (To do this, you can estimate your volume by knowing your weight and by assuming that your weight density is a bit less than that of water.) Assume that your weight is a about 1000 N, for example.
Sunday, April 1, 2012 at 10:52pm by christy

physics
Estimate the buoyant force that air exerts on you. (To do this, you can estimate your volume by knowing your weight and by assuming that your weight density is a bit less than that of water.) Assume that your weight is a about 1000 N, for example.
Thursday, March 29, 2012 at 7:23pm by Jim

physics
Estimate the buoyant force that air exerts on you. (To do this, you can estimate your volume by knowing your weight and by assuming that your weight density is a bit less than that of water.) Assume that your weight is a about 1000 N, for example.
Wednesday, March 28, 2012 at 5:44pm by Kristie

math
Do you want the exact value or an "do it in your head" estimate? A reasonable estimate would be 6x18 + (0.3)*18 - 0.4*6 = 108 + 5.4 -2.4 = 111 The exact value is 110.817
Friday, November 19, 2010 at 1:11pm by drwls

Math-Population Word Problem
The population of rabbits in a national forest is modeled by the formula P=8,600+650 ln(t+1) where "t" is the number of years from the present. a)How many rabbits are now in the forest b)Estimate when it will take for the number of rabbits to reach 12,000? c)Estimate...
Tuesday, March 26, 2013 at 9:34pm by Jake

physics
Compute the order of magnitude of the mass of (a) a bathtub filled with water, and (b) a bathtub filled with pennies. In your solution list the quantities you estimate and the value you estimate for each.
Monday, September 20, 2010 at 1:19am by aaron

A L G E B R A H ELP MS SUE.
I THINK I MAY HAVE DONE MY HOMEWORK WRONG BECAUZE IT SAYS TO : ESTIMATE THE PRODUCT OR QUOTIENT. SO WOULD THAT MEAN TO ACTUALLY DO WORK THEN ESTIMATE THE PRODUCT OR QUOTIENT LIKE FIRST -72 X 57 = -4104 OR ESTIMATE; -4000 ? I AM CONFUSED ABOUT WHAT IM SUPPOSE TO FIND : ...
Tuesday, September 20, 2011 at 10:04pm by MARKO

math
Estimate the answer by rounding as indicated. Estimate by rounding to the nearest ten. 72 + 46 + 26 + 95 + 33 = 272 272 = 280 Is this right?
Wednesday, August 18, 2010 at 4:48pm by Sarah

math
Nate has 200.00 to buy cds. a store sells them for 17.99. What is a good estimate of the number of cds he could buy? Explain how you made your estimate.
Thursday, August 13, 2009 at 10:04pm by Ashley

Statistics #3
The estimate of the population proportion is to be within plus or minus .10, with a 99 percent level of confidence. The best estimate of the population proportion is .45. How large a sample is required?
Wednesday, June 11, 2008 at 11:59pm by Monique

math estimate areas
estimate areas of parallelogram
Wednesday, April 14, 2010 at 6:34pm by tim

Physics
-Estimate the total binding energy for copper? in MeV -Estimate the energy, in joules, needed to break a 3.0g copper penny into its constituent nucleons? E= in Joulea Please help me I am confused...thanks
Monday, May 6, 2013 at 6:58pm by Leila

trig
use the function G(x)=x^3-8x +1 b) identify and verify the y intercept of G c) estimate the zeros of G to the nearest tenth d) estimate the coordinates of the relative extrema of G to the nearest hundredth e)in what intervals is G positive? Negative? f) in what intervals is G ...
Wednesday, November 12, 2008 at 11:12pm by jerson

Statistics
A simple random sample of 120 SAT scores ahs a mean of 1540. Assume that SAT scores have a population standard deviation of 333. a) Construct a 95% conf. interval estimate of the mean SAT score. b) Is a 99% conf. interval estimate of the mean SAT score wider than the 95% conf...
Tuesday, February 26, 2013 at 1:16pm by Sandy

Math
I need some help. Here is the problem: Give an estimate for the following expression. Then state whether you believe that the exact answer is greater than or less than the estimate. Explain how you decided. Here is what I have for an answer so far: 978*66 can be converted to ...
Monday, June 8, 2009 at 7:36pm by B.B.

acceleration estimate(bobpursley)
Well, bobpursley explained this to me. I didn't understand this well. Since there was an error in the data, I am posting it again t(sec) v(ft/sec) 1 12.2 1.5 13 2 13.4 2.5 13.7 velocity of an object moving along a line at various times. How do I estimate the object's ...
Monday, December 11, 2006 at 10:31pm by Jen

Microeconomics
The new york times reported that subway ridership declined after a fare increase: " There were nearly four million fewer riders in December 1995, the first full month after the price of a token increased 25 cents to $1.50, than in the previous December, a 4.3 Percent ...
Wednesday, October 21, 2009 at 4:52pm by Jane

math
Can someone please show me how to estimate mixed numbers. An exsample like 6 and two thrids times 4 and one fifth. Also estimate by rounding to 0, 1/2, or 1. Exsample...5/8x9/10. I would appreciate any help I am in the 6th grade and me and math are not doing so well.....Thanks!
Tuesday, February 5, 2013 at 11:40pm by Mackenzie

Elementary Math
Front end estimation generally produces a better estimate of sums or differences than rounding before adding or subtracting. How to Estimate a difference by front end estimation * Subtract the digits of the two highest place values * Insert zeros for the other place values...
Wednesday, September 10, 2008 at 8:10pm by bobpursley

Statistics
Suppose the U.S. president wants an estimate of the proportion of the population who support his current policy toward revisions in the Social Security system. The president wants the estimate to be within 0.028 of the true proportion. Assume a 99 percent level of confidence. ...
Sunday, March 31, 2013 at 3:10pm by Adam Dane

statistics
Using the fitted regression model, estimate the average change in cry time for infants with severe pain versus those without severe pain, holding group constant. Provide a 95% confidence interval for this estimate
Saturday, January 19, 2013 at 3:37pm by laura

maths
Using the fitted regression model, estimate the average change in cry time for infants with severe pain versus those without severe pain, holding group constant. Provide a 95% confidence interval for this estimate.
Friday, January 18, 2013 at 11:10am by umer

circuits
For the transfer function Tv(s)=[10(s+5)(s+20)]/[(s+1)(s+100)] is this a low-pass, high-pass, bandpass or bandstop function? estimate the corner frequency(ies) estimate the passband gain what is the output if v1(t)=10cos(1000t+45deg) V??
Monday, April 20, 2009 at 10:54pm by alice

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 ...
Wednesday, October 24, 2012 at 10:19am by Anonymous

statistics
A researcher wants to estimate the average time (in minutes) spent in a car daily. This will be done by randomly surveying 300 individuals and calculating the sample mean. Find the probability that the estimate will be in error by less than 5 minutes. Assume that the ...
Monday, June 13, 2011 at 12:51pm by Tammy

math VERY URGENT AND IMPORTANT
Estimate the product of 1 9/10 and 15. Describe your method. Also,estimate the product of 3 7/8 and 25. Describe your method. Please answer and explain.
Tuesday, January 15, 2013 at 7:16pm by Anonymous

calculus
For time, t, in hours, 0\le t\le1, a bug is crawling at a velocity, v, in meters/hour given by v = \frac{5}{1 + t}. Use \Delta t = 0.2 to estimate the distance that the bug crawls during this hour. Find an overestimate and an underestimate. Then average the two to get a new ...
Wednesday, November 16, 2011 at 6:49pm by Anonymous

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