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# Select the approximate values of x that are solutions to f(x)=0, where f(x)=-6x^2+7x+6

Select the approximate values of x that are solutions to f(x)=0, where f(x)=-6x2+7x+6   A. {-0.57, 1.74} B. {-6, 7} C. {-1.17, -1.00} D. {-1.00, 1.17}

# Random Variable

A random variable X is distributed normally with E(X) = 8 and σ(X) =3 . Find P(9≤X<11).

# Probability

The distribution of the width of a standard piece of computer paper is normal with an expectation of 8.5 inches and the standard deviation of 0.2 inch.   a) Find the probability that...

# Density Function

The density function of a random variable X is given by f(x)= 1/(7√2π) e^(-?(x+3.6)?^2/98)   Find its (a) math expectation (b) variance and (c) distribution funct...

# (3x -1) + (9x^2 -1)

its been 1 year since my teacher taught me this.. so I can't remember now xD pls reply :)   I think there is no answer because you can't add with different exponents

# math expectation and cumulative distribution function

At the town fair, you can pay \$5 to toss a ring at a set of bottles. If you get a “ringer” on the small mouth bottle, you win \$35. If you get a “ringer” on the medium bottle, you win \$10. If you get...

# independent and identically distributed random variables

X_1,X_2,… X_121 are independent and identically distributed random variables such that E(X_i )=3 and Var (X_i )=25. What is the standard deviation of their average? In other words, what is the...

# Cumulative Distribution

If the cumulative distribution function of X is given below, then find P (X < 0.80).  f(x)=0, if x ≤ 0  f(x)=x^2, if 0 < x ≤ 1  f(x)=1, if x > 1

# Fair eight sided die

We have a fair eight-sided die. a. Find the math expectation of a single roll. b. Find the math expectation of the numerical sum of 4 rolls. c. Find the math expectation of the numerical...

# how do u graph sentences

i really need help with graphing scentences i had been looking all over for tips for graphing scentences

# Financing Word Problem - HELP!

How much should Jethro invest now to have \$10 000 in 3 years time? The money will be invested at 5%/ a compounded monthly.

(x-4)2 (x-9)   I have to put this polynomial in standard form :) Help please

# I'm stuck on coverting slope form to Ax+By=C format.

I have y =2x-13 and the question reads: Write the equation of a line that passes through the given point and is perpendicular to the given line. Write the equation in the form Ax + By = C...

# A study showed the chicken pox vaccine can save \$5 for every \$1 in cost. If 15,500 children are immunized at a cost of \$35 per child, how much money would be

math question I am having problems with.

# classify the function

Classify the function f(t)=4t4+8t3-8t2-3t-3   Choose the correct answer below:   Rational function   Root function   Polynomial   The...

# Determine if the relation is also a function

A. Determine if the relation is also a function B. Give the domain and range of the relation or function.   {(9,-2), (2,0), (6,7),(4,3),(1,7),(3,5)}   Is the relation...

# classify the function h(x)=x9+4. choose the correct answer

classify the function h(x)=x9+4. choose the correct answer:   root function   Rational function   Polynomial function

# The domain of h(x)=x9+4 how to right my answer in interval notaion

The domain of h(x)=x9+4   how to right my answer in interval notation

# what is the domain of h(x)=x9+4

the domain of h(x)=x9 + 4

# A jacket usually sells for \$61.00. If the jacket is 20% off, and sales tax is 8%, what is the total price of the jacket, including tax?

A jacket usually sells for \$61.00. If the jacket is 20% off, and sales tax is 8%, what is the total price of the jacket, including tax?