Answers edited by Geoff K.
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What is the minimum value of #g(x) = (x1)/(x^2+4)?# on the interval #[2,2]#?

If #a+c=2b# and #ab+cd+ad=3bc#, how do I show that #a,b,c,d# are in arithmetic progression?

How do you solve #2^(8x3) = 5^(6x9)# ?

Find the constraints, make a plot, find the maximum number of attendants, and compute the minimum cost solution for the problem below? Also, show that #4x+3y<=20# and #99x + 104y <= 600# are two of the constraints.

Can #y=6# be considered a function of #x#?

What is #2 2/3%# of 60?

What is the difference between discrete data and continuous data? Do data ranking a TV show on a scale from 1 to 4 count as discrete or continuous?

The heights of males in a certain country are normally distributed with a mean of 70.2 inches and a standard deviation of 4.2 inches. What is the probability that a randomly chosen male is under the height of 65 inches?

How do you find the indefinite integral of #int 2^(sinx)cosx#?

How do you simplify #\frac { \frac { x } { 10}  \frac { 5} { x } } { \frac { 1} { 5} + \frac { 1} { x } }#?

Question #f4b1c

Is #f(x) = x^464# an odd function or an even function?

What do you get when you evaluate #5x2# at both #0# and #–1#?

How do you write 2/5 in fraction?

How do you find the zeros, real and imaginary, of #y=x^2x+7# using the quadratic formula?

How do you determine the intervals for which the function is increasing or decreasing given #f(x)=abs(x^24)#?

How do you find ZY given #X=[(4,1), (2,6)]# and #Y=[(0,3)]# and #Z=[(1,3), (0,2)]#?

How do you use a probability mass function to calculate the mean and variance of a discrete distribution?

What is #lim_(xrarrtheta)(xcosthetathetacosx)/(xtheta)#?

The probability distribution function of a discrete variable X is given by:
P(X=r) = kr, r=1,2,3,...,n,
where k is a constant. Show that #k=2/(n(n+1))# ?

What is the geometric sequence for #3, 6, 12, 24, ...#?

What is standard deviation? Why is it called that?

Two cards are drawn from an deck of 52 cards, without replacement. How do you find the probability that exactly one card is a spade?

What is the the value of z for which the area under the normal curve to the right of z is equal to 0.76?

How do you determine the value(s) of k such that the system of linear equations has the indicated number of solutions: An infinite number of solutionsfor 4x + ky = 6 and kx +y = 3?

Question #1cd46

A process for making plate glass produces small bubbles (imperfections) scattered at random in the glass, at an average rate of 4 small bubbles per
#10m^2#. Consider glass pieces with dimensions 2.5m x 2.0m.?

#d/dx log_x x#?

Quick Delivery charges $0.10 per cubic inch. How much will it cost to send a package 3 cm wide, 8 cm long, and 2 cm deep?

How do you find #dy/dx# by implicit differentiation given #2x^23y^2=4#?

Which of these is an example of a linear equation?

What wavelength would a green glass have?

How do you simplify #tan^2x  (cot^2x + 1)/cot^2x#?

A coin is tossed 12 times. What is the probability of getting exactly 6 tails?

How to answer these questions ?

#y=cot^4 2x# Find #dy/dx#?

ABCD is a trep. with AB//DC and AD = BC. If AD is parallel to CE and angle A is 70 degrees.Find all the angles ? Diagram is given below.

What is the derivative of #x^sin(x)#?

30% of the 20 people in the Math Club have blonde hair. If 3 people are selected at random from the club, what is the probability that none have blonde hair?

A player's batting average in softball is .400. What is the probability he gets 3 hits in his next 5 atbats?

If #X# is #"Normal"(μ = 81.2, σ = 12.4),# what is the 16th percentile of this distribution?

A random sample of 90 observations produced a mean x̄ = 25.9 and a standard deviation s = 2.7. How do you find a 95% confidence interval for the population mean μ?

How do you write the factor trees for 24?

What is the probability that if you threw 20 darts, that 8 of them would hit the same area?

Probability question?

How do you solve #(x4)(x+3)<0# using a sign chart?

What is the probability of #X= 6# successes, using the binomial formula?

Human proofreaders catch 70% of word errors. If a single essay contains 10 word errors, what is the distribution of the number of errors caught in this essay?

How do you interpret a 95% confidence interval?

How do you prove #sin^2x + cos^2x = 1#?

After rolling four dice, what is the probability that all four dice show different numbers?

How do you solve #x^2<=4x# using a sign chart?

How much money will you have if you started with $1200 and put it in an account that earned 7.3% every year for 10 years?

How do you graph #y=(x+5)/(2x4)# using asymptotes, intercepts, end behavior?

For these numbers: #2,2,0,5,1,4,1,3,0,0,1,4,4,0,1,4,3,4,2#, what is the (a) mean, (b) median, (c) variance and (d) standard deviation?

How do you solve #(x+2)/(x+1)>0#?

For a dataset of size 58, the sample mean was calculated to be #barx=$2.75# and the sample standard deviation is #s=$0.86#. What is the 95% confidence interval for #mu#?

The largest side of a right triangle is #a^2+b^2# and other side is #2ab#. What condition will make the third side to be the smallest side?

Is #f(x)=(x^29)/(x3)# continuous at #x=3#?

How do I rewrite the confidence interval (0.0268, 0.133) in the form of #hatp  E < p < hatp + E#?

Can I get some help please? thanks!

Are all rational numbers integers?

Solve #sin2x = cos2x#?

How many ways can 4 students be arranged in a row?

How do you solve the inequality #x^2x12>0#?

For the equation #4y=8x#, what is the constant of variation?

Suppose y varies directly with x and y=24 when x=8. What is the value of when x=10?

Is 18 prime or composite?

How many ways can a committee of 3 men and 2 women be chosen from a pool of 8 men and 7 women?

How do you find the median of the data set 88.6, 87.8, 85.3, 89.3, 86.8, 88.3, 85.9, 89.0, 87.4?

How do you use the Binomial Theorem to expand #(x + 2)^4#?

A six sided die is rolled six times. What is the probability that each side appears exactly once?

Question #19be3

How do you find the slope that is perpendicular to the line #2x +3y = 5#?

Conditional probability question?

What can a Poisson regression be used to estimate?

How do you prove the statement lim as x approaches 9 for #root4(9x) = 0# using the epsilon and delta definition?

Question #355ed

Which measure will be affected by an outlier the most?

How do you find the remaining side of a #30^circ60^circ90^circ# triangle if the side opposite #60^circ# is 6?

What is 'z' for an 88% confidence interval?

How do you use long division to divide #(x^42x^34x^2+2x+3) : (x^2+2x+1)#?

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