Friday
May 24, 2013

# Posts by shirley

Total # Posts: 196

math
kris scored 630 points on a particular section of a CPA exam for which the score were normally distributed with a mean of 600 points and a standard deviation of 75 points. At a differenttime, kerry scored 540 points on the same section, for which scores were normally distribut...

math
The weights of boxes of Brand Z cereal were found to be normally distrubted with a mean of 16.5 ounces and a standard deviation of 0.4 ounces. a. what percentage of the boxes will weigh more than 16 ounces? b. what percentage of the boxes will weigh between 15.5 and 16.5 ounce...

Algebra
solve (x=10) (x-18) (x=13)=0

algebra
algebra, write a quadratic equation in the variable x having the given numbers as solutions -ã10, 6ã10

literary
how do you write a genre in a book report

geometry
Basic Geometry 1. Find the perimeter of a rectangle 19 cm long by 27.8 cm wide. 2. In triangle ABC, angle A = 47°, and angle B = 8°. Find angle C. 3. Find the perimeter of a triangle with sides of length 28 cm, 47 cm and 19 cm. 4. In triangle FGH, angle F = 32°, an...

Algebra
Complete the rectangle to illustrate the product. (x+8)(x+7)

Algebra
r= -0.075t + 3.85 solve for t r=3.7 -0.075t + 3.85 < 3.7 -0.075t + 3.85 - 3.85 <3.7 - 3.85 + 0.15 -0.075t/-0.075 > -0.185/-0.075 This is as far as I can get - now how do you solve for t?

algebra
polynominal An appliance company sells x machines total revenue R in dollars, given by polynominal R=221.19x-0.2x^2. What is revenue from sale of 273 machines. I do not know what I am suppose to multiply first. Please help.

algebra
which would this be < or > -19 18

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