X= -0.5. Get Desmos, it's really helpful for this sort of thing.
Okay, here we have this:
Considering the provided information, we are going to calculate the requested value, so we obtain the following rule of three:

Solving for x:

Finally we obtain that 87.5mL of water should be used for 250g of plaster.
Answer:
It's x = -1.5
Step-by-step explanation:
Answer:
N = 1680
Therefore, 1680 '4 letter groupings' can be formed from the word 'champion'
Step-by-step explanation:
Given the word 'champion' which is an 8 distinct Letter word. The number of 4 letter groupings that could be formed from it can be given by the permutation since in this case order of letters are important.
The number of distinct 4 letter groupings can be given as;
N = nPr = 8!/(8-4)!, where n= 8 and r = 4
N = 8P4 = 8!/(8-4)!
N= 8!/4!
N = 1680
Therefore, 1680 '4 letter groupings' can be formed from the word 'champion'
Answer:
1:39
Step-by-step explanation:
195 divided by 5 is 1:39.