leticia
Popular questions and responses by leticia
algebra
it takes 1 cup of liquid fertilizer to make 7 1/2 gallons of spray. how much liquid fertilizer is needed to make 80 gallons of spray?
asked on October 19, 2010 
chemistry
In a reaction involving the iodination of acetone, the following volumes were used to make up the reaction mixture: 10 mL 5.0 M acetone + 10 mL 1.5 M HCl + 10 mL 0.005 M I2 + 20 mL H2O A student found that it took 400 seconds for the color of the I2 to
asked on March 5, 2015 
math
the length of a rectangle is 23 centimeters less than five times its width. Its area is 42 square centimeters. Find the dimensions of the rectangle
asked on April 19, 2016 
Statistics
It is pretty common across most schools to find the grades at the MBA level divided between A's and B's. As such, you expect the mean GPA to be around 3.50. Using the sample of 200 MBA students, conduct a onesample hypothesis test to determine if the mean
asked on March 31, 2015 
calculus
Find the area of the indicated region. We suggest you graph the curves to check whether one is above the other or whether they cross, and that you use technology to check your answer. Between y = x2 − 4x + 1 and y = −x2 + 4x − 5 for x in [0, 3]
asked on December 15, 2013 
physics
A block of mass m1 = 2.4 kg initially moving to the right with a speed of 3.3 m/s on a frictionless, horizontal track collides with a spring attached to a second block of mass m2 = 4.1 kg initially moving to the left with a speed of 1.5 m/s as shown in
asked on October 14, 2013 
geometry
if lines m and n are parallel and the measure of angle 3 is 45 what is the measure of 8
asked on August 22, 2011 
Maths
Solve the following system of linear equations by addition. Indicate whether the given system of linear equations is consistent, inconsistent, or dependent. If the system is consistent, find the solution. {−7x + 7y −9x + 9y == −21 −27
asked on July 12, 2016 
Math
bill and laura borrowed $15 000 at 6 per annum compounded monthly for 30 years to purchase a home. Their monthly payment is determined to be $899.63. Find a recursive formula for their balance after each monthly payment has been made. Determine Bill and
asked on December 10, 2012 
Physics
A small block of mass m = 194 g is released from rest at point A , along the horizontal diameter on the inside of a hemispherical bowl of radius R = 29.5 cm, and the surface of the bowl is rough. The block's speed at point B is 1.56 m/s.
asked on October 2, 2013 
Physics
A block of mass m1 = 2.4 kg initially moving to the right with a speed of 3.3 m/s on a frictionless, horizontal track collides with a spring attached to a second block of mass m2 = 4.1 kg initially moving to the left with a speed of 1.5 m/s as shown in
asked on October 14, 2013 
Statistics
Verifying Requrements and finding the margin of error Credit rating FICO credit rating scores of a smiple random sample of applicants for credit cards 95% confidence =50,x=677 and is knownd to be 68
asked on August 2, 2011 
statistics
A random sample of n=36 scores is selected from a population. Will this have a definite normal distribution?
asked on March 17, 2011 
algebra
use substitution method to find x and y for 7x + 5y = 31 and 4x + y = 37
asked on October 25, 2010 
Personal Finance
If you buy an item for $95 with the agreement to pay $100 in 90 days what is the effective annual rate on this transaction?
asked on March 1, 2017 
Physics
A block of mass m1 = 2.4 kg initially moving to the right with a speed of 3.3 m/s on a frictionless, horizontal track collides with a spring attached to a second block of mass m2 = 4.1 kg initially moving to the left with a speed of 1.5 m/s as shown in
asked on October 14, 2013 
social studies
Name two obstacles and one political obstacle that stood in the way of the construction of the panama canal. how did engineers and politicians overcome these obstacles?
asked on June 10, 2014 
Math
John walks 20km due east then turns 270 degrees anticlockwise and walks another 20km. What would be his bearing from the starting point?
asked on February 13, 2013 
mth
PLEASE I NEED HELPPPPP.. i have many exercises like that, just want to know where to start thanks. f(x)= x^3+2x^2x2 / x^2+x6 find: 1. domain 2. symmetry or not 3. determine if f(x)is: a)in lowest trem b)proper/improper 4. xintercepts, yintercepts 5.
asked on March 1, 2011 
math
PLEASE I NEED HELPPPPP.. i have many exercises like that, just want to know where to start thanks. f(x)= x^3+2x^2x2 / x^2+x6 find: 1. domain 2. symmetry or not 3. determine if f(x)is: a)in lowest trem b)proper/improper 4. xintercepts, yintercepts 5.
asked on March 1, 2011

social studies
Financial ability of the household. If the family is earning a low income it may not be sufficient enough to support both parents and child. Even if the income earned may supply the family's basic needs it may not be able to provide a good standard of
posted on May 10, 2018 
math
534
posted on September 28, 2017 
Statistics  Help!
A recent article in Myrtle Beach Sun times reported that the mean labor cost to repair a color television is $90 with a standard deviation of$22. Monte's TV sales and service completed repairs on two set this morning. The labor cost for the first was $100
posted on September 13, 2016 
Math
(6) 24
posted on April 14, 2016 
Math
The sum of two two numbers is(3). Three times the first number minus the second number equals 27. What are the two numbers
posted on April 14, 2016 
math
Yes, once the first disk is replaced, the event B (the selection of the second disk) does not depend on the first one.
posted on February 28, 2011 
AP Physics B
mmm i need these as well and i cant find them mmm any help out there did u find them
posted on January 2, 2010 
unscrambling word
eennicctmve
posted on March 9, 2009