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How to Solve if -2y + 3/2 = 8 then y= -13/4
answered
Jun 4, 2019
in
Geometry Answers
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315
views
differentiate 7 divided by the square root of 1+x
answered
Jun 4, 2019
in
Calculus Answers
|
580
views
square roots
solving equations
i have an equation within my dissertation, 0.418 x 0.417 x 0.435 x 0.461 x 0.933= 0.012.. i know it has a mathematical formula but i cant think what it is. its been bugging me for days help please
answered
Jun 3, 2019
in
Pre-Algebra Answers
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364
views
Differentiate the following functions from first principles y³ + 3xy² - x³ = 3
answered
Jun 2, 2019
in
Algebra 2 Answers
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852
views
solving equations
calculus problems
series from n=1 to infinity of (1/ln(n+2)-1/ln(n+1)) converge or diverge
answered
Jun 2, 2019
in
Calculus Answers
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928
views
sequences and series
sum to infnity of 7.777....
answered
Jun 2, 2019
in
Algebra 1 Answers
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635
views
sum to infinity
y+6=4(x-1) point and slope of this equation
answered
Jun 2, 2019
in
Algebra 1 Answers
|
600
views
point and slope of an equation
What is the logarithm of 58326
answered
Jun 2, 2019
in
Algebra 1 Answers
|
593
views
logarithmic equations
A dairy farmer claims that his milk bottles contain exactly 1l of milk. A consumer took a random sample of 20 bottles & found the average contents to be 0.980l with s.d of 0.07l. Test the claim at 5%.
answered
Jun 1, 2019
in
Statistics Answers
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387
views
statistics
questions
how much is 1/3 of $80,000.00 divided by 7
answered
Jun 1, 2019
in
Word Problem Answers
|
862
views
solving equations
What is 1/3 of $80,000
answered
Jun 1, 2019
in
Algebra 1 Answers
|
4.1k
views
integrate (64-x^3)^0.5
answered
May 31, 2019
in
Calculus Answers
|
560
views
order of operations
integral
the average of of initial public offering prce for stocks in 1999 was $18 per share. at 1% significant level, conduct a hypothesis test to determine if that the mean offer price was $18 per share
answered
May 30, 2019
in
Statistics Answers
|
467
views
statistics
sketch parabola with distance toll both/control room 100m, height structure 50m, maximum height depth 10m, maximum widht 60m
answered
May 30, 2019
in
Word Problem Answers
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417
views
A simple random sample of the sitting heights of 36 male students has a mean of 92.8cm. The population of males has...
answered
May 28, 2019
in
Statistics Answers
|
2.0k
views
statistics problem
Eighty-one random people were surveyed about the time it takes to commute to work in the morning. The standard deviation of...
answered
May 28, 2019
in
Statistics Answers
|
1.2k
views
statistics
A watch designer claims that men have wrist breadths with a mean equal to 9 cm. A simple random sample of wrist...
answered
May 28, 2019
in
Statistics Answers
|
3.6k
views
statistics problem
A simple random sample of 20 women’s hair lengths prior to entering a local hair salon is found to have a standard deviation of 1.2 inches. Use a 0.01 significance level to...
answered
May 28, 2019
in
Statistics Answers
|
1.7k
views
statistics problem
The mean of a sample size n = 35 is 1860. The standard deviation of the sample is 102 and the population is...
answered
May 28, 2019
in
Statistics Answers
|
2.4k
views
confidence interval
A sample size of n = 20 is a simple random sample selected from a normally distributed population. Find the critical value ta/2 corresponding to a 95% confidence level.
answered
May 28, 2019
in
Statistics Answers
|
4.0k
views
critical value
The claim that 90% of Americans check their mail daily is tested. Also assume that the initial conclusion rejects the null hypothesis. State the final conclusion in simple, nontechnical terms
answered
May 28, 2019
in
Statistics Answers
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3.5k
views
The standard deviation of sample size of n = 15 is 345 and the mean is 6784. Given that the population follows a...
answered
May 28, 2019
in
Statistics Answers
|
3.1k
views
confidence interval
A simple random sample has a sample size of n = 65. Given the population is normally distributed, find the critical value...
answered
May 27, 2019
in
Statistics Answers
|
2.1k
views
critical value
The totals of the individual weights of garbage discarded by 62 households in one week have a mean of 27.553 lb. Assume...
answered
May 27, 2019
in
Statistics Answers
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1.7k
views
statistics problem
S=2.3x+5y
answered
May 27, 2019
in
Trigonometry Answers
|
502
views
Let C(n) be the constant term in the expansion of (x + 4)n. Prove by induction that C(n) = 4n for all n is in N. (Induction on n.) The constant term of (x + 4)1 is
answered
May 27, 2019
in
Other Math Topics
|
1.5k
views
discrete mathematics
3x+7y=22; 4x-4y=16
answered
May 27, 2019
in
Algebra 1 Answers
|
744
views
Find the chi-square value X2/L corresponding to a sample size of 17 and a confidence level of 98%
answered
May 27, 2019
in
Statistics Answers
|
2.2k
views
chi-square
A simple random sample of 36 bottles of Helo, a healthy juice mix, has a mean volume of 12.19 oz. Assume that the...
answered
May 27, 2019
in
Statistics Answers
|
2.7k
views
statistics problem
A recent claim stated the mean temperature setting at a person’s home is 78.3 degrees F. A simple random sample of...
answered
May 27, 2019
in
Statistics Answers
|
3.4k
views
statistics
A recent survey was conducted with a simple random sample of 35 shoppers at the food court tin a local mall. The mall claims that...
answered
May 27, 2019
in
Statistics Answers
|
1.5k
views
statistics problem
A diet plan claims that women have a mean weight of 145 lbs. Assume that the weights of women have a standard deviation...
answered
May 27, 2019
in
Statistics Answers
|
2.8k
views
statistics problem
find the area bounded by the curve y=x^2 and the stright line y=x+1
answered
May 27, 2019
in
Calculus Answers
|
731
views
calculus problems
find the exact area bounded by the curve y=cos3x
answered
May 27, 2019
in
Calculus Answers
|
1.4k
views
calculus problems
Limits x approach 0, show that (cos2x-cos3x)/(cos4x-1)= -5/16
answered
May 27, 2019
in
Calculus Answers
|
1.5k
views
calculus problems
What is 11/12 divided by 1/3
answered
May 27, 2019
in
Other Math Topics
|
1.5k
views
pls help
sinx+sin2x+sin3x+sin4x ÷cos x+cos2x-cos3x-cos4x=cotx
answered
May 26, 2019
in
Trigonometry Answers
|
3.6k
views
trigonometry problems
Find all solutions to cos2x=sinx in the interval (0, 2π)
answered
May 26, 2019
in
Trigonometry Answers
|
2.1k
views
solving equations
trigonometry problems
sin2x= -(sqrt2)sinx find all intervals
answered
May 26, 2019
in
Trigonometry Answers
|
896
views
trigonometry problems
find the general solution of cosx +sinx -sin2x=2
answered
May 26, 2019
in
Trigonometry Answers
|
772
views
general solution
trigonometry problems
Factorise 6x2+9xy+27x3y2
answered
May 26, 2019
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421
views
2sin^2=sinx general solution
answered
May 26, 2019
|
256
views
factorial equation
answered
May 25, 2019
in
Algebra 1 Answers
|
615
views
factorial
proof
find the first four terms in the binomial expansion 1/(3-2x)^2
answered
May 25, 2019
in
Other Math Topics
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2.1k
views
binomial expansion
y=2x-1 Graph on coordinate plane
answered
May 24, 2019
in
Algebra 2 Answers
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1.7k
views
graphing linear equations
algebra problems
Emmanuel plotted the function ƒ(x) = – 3 + 2x– 1 on a coordinate plane. What is the domain of this function?
answered
May 24, 2019
in
Algebra 1 Answers
|
636
views
algebra problems
i NEED HELP WITH NULL HYPOTHESIS
answered
May 24, 2019
in
Statistics Answers
|
913
views
(explain this to me statistics problem)
hypothesis testing
answered
May 24, 2019
in
Statistics Answers
|
899
views
hypothesis
Which choice shows a true conditional with a correctly identified hypothesis and conclusion?
answered
May 24, 2019
in
Geometry Answers
|
3.3k
views
geometry problems
conditionals
hypothesis
conclusion
A simple random sample of 28 wait times while pumping gas at gas station has a standard deviation of 20 seconds. The test statistic for...
answered
May 24, 2019
in
Statistics Answers
|
1.4k
views
statistics problem
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