Answer:
1 : 4
Step-by-step explanation:
Let x represent the amount of 30% solution for 1 unit of 5% solution. Then the amount of acid in the mix is ...
0.30x + 0.05·1 = 0.10·(x +1)
0.30x + 0.05 = 0.10x + 0.10 . . . . eliminate parentheses
0.20x = 0.05 . . . . . . . . . . . . . . . . subtract 0.05+0.10x
x = 0.05/0.20 = 1/4
That is, the ratio x : 1 is 1 : 4.
That is a good question but I'm not sure
Answer:
down on left, down on left
Step-by-step explanation:
<em>Look at the first term or the one with the highest degree.</em>
Even Degree and positive coefficient: <em>*</em>up left* and *up right*
Even degree and negative coefficient: *down left* and *down right*
Odd Degree and positive coefficient: *down left* and *up right*
Odd Degree and negative coefficient: *up left* and *down right*
It seems it should be the other way... . How soon will the puppy catch up with the kitten.
The way you have it the kitten will never catch the pup. There is already 180m between them so, the distance will only increase because the puppy runs faster than the cat.
If the puppy runs after the cat, will eventually catch up with it and can be calculated. Not the other way around.
If the pup runs after the cat, the distance between them will decrease and the pup will catch the cat.
RT = D kitten
RT = D+180 puppy
20T = D
25T = D + 180
Substitution
25T = 20T +180
5T = 180
T = 36s
Answer:
A) -15, 5, 2
Step-by-step explanation:
