Answer:
A. 4:5
B. 600 girls
Step-by-step explanation:
A. g : b = 12 : 15 = 4 : 5
B. the numbers of girls = 4/(4+5) × 1350
= 4/9 × 1350 = 600
Square root is the same as 1/2 power
If it’s just square root of 2, it would be 2^1/2
If there’s a 3 like in the pic, then that number would go to the top of the power
The answer is 2^3/2
how much money did they start off with?
Answer:
y= x-6
Step-by-step explanation:
Answer:
The answer is 9/11.
Step-by-step explanation:
To find the answer you'd first add up how many patients you have:
80+10+20 = 110.
Now find out that how many patients are taking a real drug, which is represented by 80+10 = 90.
So, the probability of a patient NOT getting a placebo is 90/110
Simplified would be 9/11
Thus the answer is 9/11....
