Friday
May 24, 2013

Posts by Lina


Total # Posts: 131

math
If r = 12.5 and s = |−13|, which of the following inequalities is not true??? 1.r≠s 2.r< s 3.r≥s 4.r≤s

chemistry
the molar mass of NaOH is 40g/mol, how many grams ofNaOH are required to yield 0.65 mol?

math
yes

math
oh you multiply?

math
No wait is it 18 miles?

math
he**

math
so she could go 40 miles in 2 hours because 120/3=40

math
I'm not getting it yet?

math
oliver can jog about 3 times as fast as he can walk. If his average walking rate is one mile in 20 minutes, about how far could he jog in 2 hours?

Business calc
A total revenue function is given by R(x) = 1000(x^2 - 0.1x)^1/2 , where R(x) is the total revenue, in thousands of dollars, from the sale of x items. Find the rate at which total revenue is changing when 20 items have been sold.

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