He made a mistake in step #2. It seemed to be a trivial mistake because it involved signs, but it still had a great impact. Since step#2, his solution was already wrong.
Instead of
(-1)²-4(2)(-6) = 1 + 48 = 49
What he did is
(-1)²-4(2)(-6) = -1 + 48 = 47
Answer:
20.875
Step-by-step explanation:
18+24+17+21+24+16+29+18=167/8=20.875
Answer:
n = 1 if you meant "(4/5)n - (3/5) = (1/5)n"
Step-by-step explanation:
There's some ambiguity here. Did you mean (4/5)n or did you
4
mean --------- ? Please use parentheses to eliminate this ambiguity.
5n
I'm going to assume that you meant to type in (4/5)n - (3/5) = (1/5)n.
Then we have (3/5)n = 3/5, or n = 1
Answer:
No. it would be 4 3/14
Step-by-step explanation:
5-1=4
common denominator is 14 to get there,
1x7=7
2x7=14
2x2=4
7x2=14
7/14 - 4/14 = 3/14
put it all back together and you get 4 3/14
Answer:
cant under stand thoes
Step-by-step explanation:
sorry
