March 3, 2015

Posts by Vikki

Total # Posts: 18

An aqueous solution that is 10.0 percent sulfuric acid (H2SO4) by mass has a density of 1.143 g/mL. Determine the molality of the solution. ( 3 significant figures)
February 3, 2015

12 U Math
Solve and check for extraneous roots. log_2x+log_2(x+2)=3 * _2 is a subscript and (x+2) isn't a superscript*
January 12, 2015

Solve the equation. Check for extraneous roots. 4^2x-4^x-20=0
January 11, 2015

A variant on the carousel at a theme park is the swing ride. Swings are suspeneded from a rotating platform and move outward to form an angle x with the vertical as the ride rotates. The angle is related to the radial distance,r, in metres, from the centre of rotation; the ...
November 13, 2014

Math Gr 12
Use a calculator to determine angle x, rounded to the nearest degree. csc x = 1.25
November 4, 2014

According to Jean Piaget, in what is all learning based? A. Sensorimotor learning B. Preoperational learning C. Concrete operational learning D. Formal operational learning 2. Which of the following questions is a thinker/doer most likely to ask? A. Why? B. What? C. How? D. ...
March 6, 2013

East Asia,and south easia
With respect to human rights issues in Southeast Asia, which statement is most accurate?
April 22, 2012

Suppose that an unfair coin comes up heads 54.1% of the time. The coin is flipped a total of 13 times. a) What is the probability that you get exactly 6 heads? b) What is the probability that you get exactly 6 tails? c) What is the probability that you get at most 9 tails?
February 24, 2012

tan^-1(5.5/6.2) =41.6 ^^^using a TI-84 PLUS^^^
September 11, 2011

U.S. History
One example of government trying to help American business was a) high tariffs. b) patronage c) blue laws d) Munn v. Illinois
September 7, 2011

world history
Civilizations in the Americas and sub-Saharan Africa were isolated from Eurasia mostly because of?
June 14, 2011

Got hung up with what to do about the 7 and did not attach the 9 to the left side. Thank you!
February 9, 2011

2x+(x-y)^3 when x=9 and y=7 This problem is from a test review sheet (answer included)I have almost filled a notebook trying to solve this.
February 9, 2011

world issues
Is fair trade a solution for farmers in the developing world?
December 21, 2010

thankyou ! :)
February 28, 2010

please could someone help me answer these questions ...? globalisation brings many problems describe all the benefits in all the different stages of production and countries. globalisation brings many benefits describe all the benefits in all the different stages of production...
February 28, 2010

Org. Chem.
The alkene would be formed via an E1 mechanism because it is formed by an elimination reaction in a dehydration reaction between n-butyl alcohol, a primary alcohol, and sulfuric acid, an obviously strong acid. The ether would be formed via Williamson ether synthesis, which is ...
December 1, 2009

three-fourths of a gallon is how many eights of a gallon?
September 6, 2007

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