Q & A - Mathematics

Q & A

• Compute a 95% confidence interval for the population mean, based on the sample 1.5, 1.54, 1.55,... Compute a 95% confidence interval for the population mean, based on the sample 1.5, 1.54, 1.55, 1.51, 0.09, 0.08, 1.55, 0.07, 0.99, 0.98, 1.12, 1.13, 1.00, 1.56, and 1.53...
• a. The correlation between speed and strength for 20 women is .567. Test these results at the .01... a. The correlation between speed and strength for 20 women is .567. Test these results at the .01 level using a one-tailed test.
• Runner A completes 12 laps around a track in 22 min. Runner B completes 8 laps in 15 min. Which... Runner A completes 12 laps around a track in 22 min. Runner B completes 8 laps in 15 min. Which runner had a greater average speed?
• What is the ratio of the surface area of a sphere to the volume of the same sphere? What is the ratio of the surface area of a sphere to the volume of the same sphere?
• PROBABILITY MATH HELP!? I need an explanation/walkthrough on how to do these two questions! 1) If you roll a pair of dice 41 times, what is the probability that both die will show a 1 exactly 3 ...
• Will running Malwarebytes Premium and Steam cause any problems? Will running Malwarebytes Premium and Steam cause any problems?
• If there are a total of 425 students in a school but there are 65 more females than males, how many... If there are a total of 425 students in a school but there are 65 more females than males, how many females are there?
• What is the square root of 25y^16?Please help me by explaining....if u canthanks? What is the square root of 25y^16? Please help me by explaining....if u can thanks?
• How does sec x - cos x = (sec x -1)(cos x +1)? How does sec x - cos x = (sec x -1)(cos x 1)?
• How do I convert 24 minutes to fraction? How do I convert 24 minutes to fraction?
• 4(X-2)= 4X + 10? 4(X-2)= 4X 10?
• Solve a equation with fractions? How do I make 3 / 4 = 9 / (2(k² + 6k + 14)) become 6(k² + 6k +... Solve a equation with fractions? How do I make 3 / 4 = 9 / (2(k² 6k 14)) become 6(k² 6k 14) = 36?
• Charlie has a combination of nickels + quarters in his bag. he has 44 coins altogether which are... Charlie has a combination of nickels quarters in his bag. he has 44 coins altogether which are worth $7.60, how many quarters does hé have?
• Line (D)is of equation (m-1)x +(2m-1)y +5-m=0 where m is a real parameter: calculate m so that (D)... Line (D)is of equation (m-1)x (2m-1)y 5-m=0 where m is a real parameter: calculate m so that (D) is parallel to the x axis.?
• In order to convert from degrees to radians you multiply the degree measure by...? In order to convert from degrees to radians you multiply the degree measure by...?
• Who invented algebra? Who invented algebra?
• A straight line passes through the points (3, 9/2) and (-1, -7/2)? A straight line passes through the points (3, 9/2) and (-1, -7/2)?
• Calculate the derivative dy/dx of the function y = x^(x^2), where x > 0. Help please! :)? Calculate the derivative dy/dx of the function y = x^(x^2), where x > 0. Help please! :)?
• Hi, can (cos2Ï€)/4 be simplified to this (cosÏ€)/2 or it is wrong? Hi, can (cos2Ï€)/4 be simplified to this (cosÏ€)/2 or it is wrong?
• Solve 5^x = 3^(x+2) using common logarithms a.) 2.732b.) 4.117c.) 4.301d.) 3.109? Solve 5^x = 3^(x2) using common logarithms a.) 2.732 b.) 4.117 c.) 4.301 d.) 3.109?
• Why don't Americans use the metric system? Majority of countries over the world have adopted the metric system. Even the UK have adopted the metric system, I think the English system is very complicated to use, no...
• If i work 28 hours 5 times a week and get paid 9 per hour how much would i make weekly? If i work 28 hours 5 times a week and get paid 9 per hour how much would i make weekly?
• Find the exact x-coordinate where there is a horizontal tangent line to the graph of f(x)=x5^x? Find the exact x-coordinate where there is a horizontal tangent line to the graph of f(x)=x5^x?
• How do I get better at math? How do I get better at math?
• Integral v^3/(1+v^2)? Integral v^3/(1v^2)?
• Worried my computer may have been hacked?? Worried my computer may have been hacked??
• Square root of 4? Square root of 4?
• Math help: How many different ways can 9 musicians appear on an award show if the guest of honor... Math help: How many different ways can 9 musicians appear on an award show if the guest of honor must appear first or last?
• What's the best virus protection for my computer? Whats the best virus protection for my computer?
• INTERPOL police message popped up on my screen? Today I had a message come up on my laptop today saying it was from INTERPOL. It said that all my files were incrypted and I was being recorded and they had my IP address...
• How to succeed in maths methods in year 11 when I am not very smart? How to succeed in maths methods in year 11 when I am not very smart?
• Find the equation of the circle with a center at (2, -4) and radius of 4? Find the equation of the circle with a center at (2, -4) and radius of 4?
• How to solve this? Algebra 2? How to solve this? Algebra 2?
• I've been told you should reformat your computer once a month. Is this true? Ive been told you should reformat your computer once a month. Is this true?
• How many pairs of positive integers make this equation true? 3x+4y=120? How many pairs of positive integers make this equation true? 3x4y=120
• How to calculate the value of cos 50 degree? 3 How to calculate the value of cos 50 degree?
• 24 bottles @£15.84 I sell @£2.95 how much percentage profit is made? 24 bottles @£15.84 I sell @£2.95 how much percentage profit is made?
• What is the perimeter of the figure? What is the perimeter of the figure?
• How can I make long division easier? I know the remainder theorem that is: Dividend= divisor x quotient remainder. to the question 2p cube 7p square-44p 35 is (p-1) but when I put it into tje formula it be...
• I am an odd number less than 60. The sum of my digit it 13. What is their product? I am an odd number less than 60. The sum of my digit it 13. What is their product?
• Solve the quadratic equation 2x^2 + 3x - 14 = 0? Solve the quadratic equation 2x^2 3x - 14 = 0?
• College algebra compound investment. Why is my answer wrong? College algebra compound investment. Why is my answer wrong?
• The ratio of 4:9 is the same as what in fraction? The ratio of 4:9 is the same as what in fraction?
• 2187, 729, 243, 81, 27, 9, ____?Answer Please..? 2187, 729, 243, 81, 27, 9, ____?Answer Please..?
• Find equation of straight line that passes through the point (-1,9) and is parallel to the line... Find equation of straight line that passes through the point (-1,9) and is parallel to the line x-2y-6=0?
• Math Help?!? No one in my family can solve this problem. Ive tried and tried, but I cant figure it out. "A charges $2.25 for a pretzel and $1.50 for a drink. One day, the vendor made ...
• If there are 24 students. how many handshakes would there be? grade 7? If there are 24 students. how many handshakes would there be? grade 7?
• Anti-malware or Antivirus with (a) good detection rate and (b) real-time protection under freeware... Anti-malware or Antivirus with (a) good detection rate and (b) real-time protection under freeware category. Please help.?
• How to get a computer virus? How to get a computer virus?
• I have a virus I can't get rid of.? I have a virus and its called TakeTheCoupon I think. I cant get rid of it. Everyone has told me to go into Programs, find the TakeTheCoupon app and delete it but I dont h...