Answer:
There is 1.7 left
Step-by-step explanation:
2.6 - 0.9 = 1.7
Answer:
1 minute
Step-by-step explanation:
We can see that Lisa types 165 words in 3 mins.
So she types 55 words in 1 minute.
How did I work that out?
Well, all you really do is
which is equal to
if you divide top and bottom by 3. Anything divided by 1 is itself.
Answer:
x = 2
y = -3
z = 4
( 2 , -3, 4 )
Step-by-step explanation:
x + y + z = 3 ---- i
x – y =5 ---- ii
y - z = -7 ---- iii
ii + iii
x - z = -2 ---- iv
i + ii
2x + z = 8 --- v
iv + v
3x = 6
x = 2
x=2 substitute for v
z = 4
x =2 substitute for ii
y = -3
I think it's C but I might not be right
You should get the answer 154 afte u subtract and at that school be your answer