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MATH SOLVE
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3. Find the volume of each of the following cylinders.a. r = 3 inches, h = 3 inchesb. r = 1 meter, h = 4 meters
General
2 months ago
Use the equation m Subscript PQ Baseline equals StartFraction f left parenthesis x 1 plus h right parenthesis minus f left parenthesis x 1 right parenthesis Over h EndFraction mPQ= fx1+hâfx1 h to calculate the slope of a line tangent to the curve of the function y equals f left parenthesis x right parenthesis equals 2 x squared y=f(x)=2x2 at the point Upper P left parenthesis x 1 comma y 1 right parenthesis equals Upper P left parenthesis 3 comma 18 right parenthesis Px1,y1=P(3,18).
General
2 months ago
What is the average of the sixth even number, fifth and eighth odd number after 200?
General
2 months ago
The temperature of the water in Emily's fish tank was 78 on Sunday the water temperature changed by -3 on Monday and then 3 on Tuesday what integer represents the temperature change of the water from Sunday to Tuesday?What was the water temperature on Tuesday
General
2 months ago
The SAT math scores, x, and SAT verbal scores, y, for ten high school students are shown in the table below.x y400 330420 440470 480510 460530 520570 610600 590680 670700 680790 710Using a residual plot, determine if the following model is a good fit for the data in the table above.No. The model is not a good fit because the residual plot has a random pattern.Yes. The model is a good fit because the residual plot has a random pattern.No. The model is not a good fit because the residual plot does not have a random pattern.Yes. The model is a good fit because the residual plot does not have a random pattern.
General
2 months ago
OperationsThe science club hosts a bakesale every year to raise money forthe state robotics competition,This year the club earned $20more than twice what it earnedlast yearLet x represent the amountraised last yearWhich two words in this problem tell you what operation will be in the algebraic expression? What do they mean?
General
2 months ago
Using the figure of the bullseye above, what is probability that a shooter will hit the 3rd ring in his first attempt and the bullseye on his second attempt? Express your answer as a decimal rounded to the nearest hundredths place. 0.70.070.530.17
General
2 months ago
Directions: Find the following. Final answers should be in scientific notation with the correctnumber of significant figures.2.) (5.0<=>10^-8)(2.9<=>10^2)3.) (3.25<=>10^4 + 7.4<=>10^3)
General
2 months ago
arun spent 25% of his pocket money and has Rs 125 left how much had he at first
General
2 months ago
Select the correct answer. Which of the following is a solution to 4sin2x − 1 = 0? A. 30° B. 60° C. 90° D. 120°
General
2 months ago
Can someone explain how to do this?4x+6<-6
General
2 months ago
answer for Which of the following transformations would result in two congruent triangles? A vertex x should be moved up 5 units B vertex x should be moved down 10 units C vertex y should be moved left 4 units D vertex z should be moved left 4 units
General
2 months ago
An investment is currently worth 1.2×107 dollars . Twenty years ago, the investment was worth 9.6×105 dollars. How many times greater is the value of the investment today than the value of the investment twenty years ago? 0.125 12.5 125 12,500
General
2 months ago
A poll found that 58% of U.S. adult Twitter users get at least some news on Twitter. The standard error for this estimate was 2.3%, and a normal distribution may be used to model the sample proportion. Construct a 99% confidence interval for the fraction of U.S. adult Twitter users who get some news on Twitter, and interpret the confidence interval in context. (Round your answers to two decimal places.) We are 99% confident that % to % of U.S. adult Twitter users get some news on Twitter.
General
2 months ago
Let λ > 0 be a constant. Consider the function f(x) = (λ/2)e^(−λ|x|) , for − [infinity] < x < [infinity] . (a) Is f(x) a pdf? Why? (b) If your answer is "yes" for part (a), find the corresponding µ and σ^2 (as simple functions of λ). If your answer is "no" for part (a), find the integral (from -[infinity] to [infinity]) of xf(x)dx and the integral(from -[infinity] to [infinity]) of x^2f(x)dx (as simple functions of λ).
General
2 months ago
Solve for x in the equation x2-12x+59=0 .
General
2 months ago
Please explain each step and write clear.A consumer organization estimates that over a 1-year period 20% of cars will need to be repaired once, 10% will need to be repaired twice, and 5% will require three or more repairs. What is the probability that a car chosen at random will need,(a) no repairs?(b) no more than one repair?(c) some repairs?If you own three cars, what is the probability that,(d) neither will need repairs?(e) all three will need to be repaired twice?(f) at least one car will need repairs?(g) one will need to be repaired once, one will need to be repaired twice, and one will require three or more repairs?
General
2 months ago
Past experience has indicated that the breaking strength of yarn used in manufacturing drapery material is normally distributed and that σ = 4 psi. A random sample of 11 specimens is tested, and the average breaking strength is found to be 97 psi. Find a 95% two-sided confidence interval on the true mean breaking strength. Round the answers to 1 decimal place.
General
2 months ago
Suppose the mean income of firms in the industry for a year is 25 million dollars with a standard deviation of 9 million dollars. If incomes for the industry are distributed normally, what is the probability that a randomly selected firm will earn less than 34 million dollars? Round your answer to four decimal places.
General
2 months ago
The domain and range of this function are not specified. Evaluate the function for several values of x. What subset ofthe real numbers would represent the domain of this function? What subset of the real numbers would represent itsrange?Let f(x) = √x − 2
General
2 months ago
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