So 20=80%'
% means out of 100 so
80%=80/100 so
20=80/100
we try to get to 100/100 so
20=80/100
5=20/100
5 times 20=100 so
25=100/100
there were 25 questions total
Answer:
(1+√7,0),(1−√7,0)
Step-by-step explanation:
You can't factor the expression evenly, so use the quadratic formula.
a = 2
b= -4
c= -12






End result: (1+√7,0),(1−√7,0)
Answer:
The given equation having only one solution i.e., "w = 3". A further explanation is provided below.
Step-by-step explanation:
The given equation is:
⇒ 
By opening the brackets, we get
⇒ 
⇒ 
On adding "83" both sides, we get
⇒ 
⇒ 
⇒ 
⇒ 
Answer:
infinity
Step-by-step explanation:
you can change x and then every answer will be different
Answer:
From the first bag the probability is 5 out of 15 or 1/3 simplified
The second bags probability is 4 out of 9
All the bags combined the probability is 9 out of 24
Step-by-step explanation:
The probability should be set up by putting the blue marbles as the numerator and the sum of all the marbles combined for the denominator
With everything said all you have to do is figure out the two steps an you’re good to go