Questions Answered

Anna904:
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2(x+4)^4/3 = 512
 updated one year ago
 34 replies
 2 Medals

Anna904:
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can someone explain to me how to find the critical value?
 updated 2 years ago
 8 replies
 No Medals Yet

Anna904:
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can someone please explain to me why the critical value for the 99% confidence level with n1=34 degrees of freedom is equal to 2.728?
 updated 2 years ago
 34 replies
 2 Medals

Anna904:
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can someone show me how to use a t table? (for statistics) i need to find the value associated with the upper 10% of the t distribution and …
 updated 2 years ago
 11 replies
 No Medals Yet

Anna904:
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can someone explain to me how to use a t table? as used in statistics
 updated 2 years ago
 5 replies
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Anna904:
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suppose your company bids for two contracts. let X denote the total # of contracts that your company will get. the probability distribution …
 updated 2 years ago
 2 replies
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Anna904:
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average cost of renting an apartment is $951 with a standard deviation of $96. find the value such that the probability that a randomly sele…
 updated 2 years ago
 13 replies
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Anna904:
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the quarterly returns for a group of 79 mutual funds with a mean of 1.1% and a standard deviation of 4.5% can be modeled by a normal model. …
 updated 2 years ago
 22 replies
 1 Medal

Anna904:
Group Title
a certain tennis player makes a successful first serve 73% of the time. assume that each serve is independent of the others. if she serves 6…
 updated 2 years ago
 35 replies
 1 Medal

Anna904:
Group Title
how would the margin of error of your confidence interval change if the confidence level were 95% instead 0f 90%?
 updated 2 years ago
 4 replies
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Anna904:
Group Title
can someone help me and explain how to find the sample mean of a sample of a population, given the population mean and standard deviation
 updated 2 years ago
 34 replies
 1 Medal

Anna904:
Group Title
what are the solutions of the equation l 23x l=8x ?
i need help, i don't know how to solve for absolute value problems
 updated 2 years ago
 12 replies
 1 Medal

Anna904:
Group Title
Sketch the regions enclosed by the given curves. Decide whether to integrate with respect to x or y. Draw a typical approximating rectangle…
 updated 3 years ago
 14 replies
 1 Medal

Anna904:
Group Title
Consider the given curves to do the following.
y=5sqrt(x)
y=0…
 updated 3 years ago
 88 replies
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Anna904:
Group Title
Consider the given curves to do the following.
x=4sqrt(y)
x = 0…
 updated 3 years ago
 14 replies
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Anna904:
Group Title
Use the method of cylindrical shells to find the volume V generated by rotating the region bounded by the given curves about the yaxis.
y…
 updated 3 years ago
 81 replies
 1 Medal

Anna904:
Group Title
attaching file*
 updated 3 years ago
 15 replies
 No Medals Yet

Anna904:
Group Title
Sketch the region enclosed by the given curves. Decide whether to integrate with respect to x or y. Draw a typical approximating rectangle …
 updated 3 years ago
 25 replies
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Anna904:
Group Title
Consider the following figure.
 updated 3 years ago
 2 replies
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Anna904:
Group Title
Consider the solid obtained by rotating the region bounded by the given curves about the line y = 5.
y = 5x , y = 5sqrt(x)
find the volume
 updated 3 years ago
 39 replies
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zs12:
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I am 12 years old. can someone please help me solve:
1 11/15 divided by 1 19/20? The answer book says 8/9 but I can't seem to get the an…
 updated 3 years ago
 6 replies
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Anna904:
Group Title
Consider the solid obtained by rotating the region bounded by the given curves about the xaxis.
y = 5  (5/2)x
y = 0…
 updated 3 years ago
 3 replies
 1 Medal

Anna904:
Group Title
Sketch the region enclosed by the given curves. Decide whether to integrate with respect to x or y. Draw a typical approximating rectangle …
 updated 3 years ago
 57 replies
 No Medals Yet

Anna904:
Group Title
Sketch the region enclosed by the given curves. Decide whether to integrate with respect to x or y. Draw a typical approximating rectangle …
 updated 3 years ago
 23 replies
 1 Medal

Anna904:
Group Title
Sketch the regions enclosed by the given curves. Decide whether to integrate with respect to x or y. Draw a typical approximating rectangle…
 updated 3 years ago
 3 replies
 1 Medal

Anna904:
Group Title
y = 7x^2
y^2 = (1/7)x
 updated 3 years ago
 2 replies
 No Medals Yet

trimarco18:
Group Title
what is the derivate of √x
 updated 3 years ago
 3 replies
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jallyrs:
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A college graduate recieves a salary of $2750 a month for her first job. During the year she plans to spend 4800 for rent, 8200 for food. 3…
 updated 3 years ago
 4 replies
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Anna904:
Group Title
find the area of the region. between the two curves. and the two equations are
y = 7x^2
y^2 = (1/7)x
 updated 3 years ago
 6 replies
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andreacurry:
Group Title
determine weather each pair of equations represents perpendicular lines. show work
y= x+7
y x =3
 updated 3 years ago
 8 replies
 1 Medal
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