Thursday
May 23, 2013

Posts by Brenna

Total # Posts: 123

Chemistry 104
What mass (in grams) of calcium carbonate is needed to react completely with 73 mL of 0.10 M HCl according to 2HCl + CaCO3 --> CaCl2 + H20 + CO2?

Chemistry 104
How many moles of solute are present in 155 mL of 0.30 M NaNO3?

Honors Geometry
In a proof, I am given that Triangle GCF is congruent to Triangle GKF is congruent to Triangle JHM. Triangle GCF and Triangle GKF are Vertical Angles. I am also given that Angle C(on Triangle GCF) is 4y, and Angle G(on Triangle GKF) is 16y. So, obviously, the angle opposite it...

Algebra 2/trig
How would I calculate the following function value? tan = 29degrees 36feet

Algebra 2
Thank you!!!!

Algebra 2
write as single logirithim In-In 2

algebra 2
I use alt251 on kbd and I see the sqrt symbol but it doesnt view that way... 1. -sqrt18c - sqrt-2c(cubed) 2. isqrt-98 - sqrt98

algebra 2
ã is coming up when inenter square root sign

algebra 2
Simplify #54 -ã18c * ã-2c(cubed) #62 yiã-16y(sq)+ ã16y(sq) - y(sq)iã-9

algebra last post
I appreciate the help. i take the class online and we get 70 problems a day to do. sqrt = < sign #46. <-r^5/2 * <-2/r^3 #50 <-25a^3 - <-225a^3 + 20a<-a

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