Hi all! New guy here just so you know. I'm stuck and I need help. I'm working a percent larger problem. I have an original cell. I have to find how much larger the consecutive cells are. The percentage is 6.3. Every succeeding cell is 6.3% larger than the previous. When I solve for the second cell I...
I keep coming up with the same solution for this problem which differs from the book. 3x + 3/2(2x - 1)= 2 I continue to get 7/15 and the book says it's 7/12. I know this may appear simple but it has me stumped. First I multiplied by the reciprocal, then I tried distributing. I keep coming up with th...
I was wondering what is the correct answer or the simplest form of 2x + 5y=10? I was asked to solve for y I answered this: y=\frac{10-2x}{5} The book says \frac {1}{5}(10-2x) is correct. Which is the same though it looks simpler to me. Wouldn't y = 2-.4x be even simpler? I hope it displays c...
Elizabeth, Thanks for the reply and apologies for not getting back sooner. I figured out what I did wrong in the above equation. I didn't distribute properly. The answer is .58 or 7 divided by 12. Thanks again!
"Ah, now I see!" said the blind man. :wink: y=\frac15(10-2x) is what the book says is correct. I say this is as correct y=\frac{10-2x}{5} but isn't this: y=2-.4x, simpler yet? I like the decimal form of the answer much better as I'm very used to converting fractions to decimals in ...
Hey Little Dragon, I know, isn't that annoying? In Linear equations they want the answer to look like y=\frac15(10-2x) but now that we're graphing, the very next chapter, they want the answer to look like y = 2-.4x . And they didn't say they wanted it in the simpler form. I'm still counting ...
Ok, I did a little reading on this and thought I had the concept down but apparently I'm missing something. The big question is does -1^2 equal -1 or 1? It's -1 from the explanation I read which makes perfect sense to me, if -1^2 = (-1^2) = -(1)(1) then -1^2 = -1 . If, (-...
I have a question on negative numbers in absolute value equations. For instance: |7-3x|-10=4 |-3x+7|-10=4 -3x+7=14 -3x = 7 x = - \frac 73 This is fine for me. I'm assuming that the result is a negative based on the division by -3. The book says that's correct. The other solution is what's giving me ...