Friday
December 6, 2013

# Posts by Christie

Total # Posts: 82

Math
there is a number answer, which is y i am confused.

Math
How many sides are there in an argument?

Physics...What am I doing wrong??
In an experiment, a student measures the speed of sound in air to be 318 m/s at STP. If the accepted value for the speed of sound under those conditionsis 331 m/s, what is the student's percent error? a. 3.9% b. 3.93% c. 4.09% d. 4.1% I tried but it didn't work. This i...

science
That isn't a question

physics
In an experiment, a student measures the speed of sound in air to be 318 m/s at STP. If the accepted value for the speed of sound under those conditionsis 331 m/s, what is the student's percent error? a. 3.9% b. 3.93% c. 4.09% d. 4.1% I tried but it didn't work. This i...

physics
about how many nickels equal a kilogram? 4.A mass of one kg of nickels has a monetary value in the US \$ of approximately: a. \$1 b. 10 cents c. \$10 d. \$1000

social studies
aka Dred Scott vs. Sanford, In what is perhaps the most infamous case in its history, the court decided that all people of African ancestry -- slaves as well as those who were free -- could never become citizens of the United States and therefore could not sue in federal court...

MATH
3x^2+20x+12 x^2+20x+36 (3x+_a_)(3x+_b_) What times wat =20 is a and adds up to 36 is b Then divide a by 3 and b by 3 giving u: (x+__)(x+__) then make x = to 0 x+__=0 x+__=0 subtract over the number and you will have your answer

calculus
f*g= 2(3x+2)^2-(3x+2) G*f= 3(2x^2-x)+2 f*f= 2(2x^2-x)^2-x g*g= 3(3x+2)+2

Math inequalitites
Hi, I need some help with some inequalitites. Thanks!! Use graphs to find the set. 1.(-9,0) intersection [-4,] I got [-4,0) 2. (-9,0) U [-4,10] I got (-9,10] Solve the linear inequality. Other than (empty set, use interval notation to express the solution set and graph the sol...

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