Algebra Answers

If a2+ b2+ c2+ 6b + 8c – 2a = –26 then find the value of 2a + 3b – 4c

(12x^4=11x^3+18x/5x-1+4x^2

find the sum of all natural numbers between 1and 100,which are divisible by 3

the sum of the squares of two consecutive natural numbers is 421.find the number?

What is the probability of in a magic trick having 5 envelopes, we will call 4 winners and 1 a loser. What's the probability of selecting a winner then without replacement selecting another winner, then another and another. Until you are left with the un selected "loser"? And what formula would you use?

-5x+7y=16 find the soloution of the equation x=8 find the value of y

what is the solution of the equation -5x +7y=16 find the value of y when x =8

Kayla:
A recent survey determined the amount of time that 30 customers spent in a Stop-n-Shop convenience store. The data were normally distributed, with a mean of 12 minutes and a standard deviation of 2 minutes.

Based on the results, if 500 customers come to the stop-n-shop about how many will spend between 10 and 14 minutes in the store?

MULTIPLE CHOICE:
A: 170
B: 200 (this was my answer, it is incorrect)
C: 250
D: 340

what is the equation of a line passing through (2 -1) and parallel to the line represented by the equation y=2x+1

For what value of x is this inequality |x – 6| < - 8 true? Why?