charae0185
21.01.2020 •
Mathematics
Just want to make sure
line a is represented by the equation given below:
x + y = 3
what is most likely the equation for line b, so that the set of equations has infinitely many solutions?
3x + 3y = 3
3x + y = 3
x + y = 9
3x + 3y = 9
Solved
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Ответ:
The other answer is wrong. I just took the test, it's actually x + y = 9
OωO what's this
Ответ:
a. 16
b. 80
c. Blood type AB
Step-by-step explanation:
Given:
O = 45%
A = 40%
B = 11%
AB = 4%
Total number of donors = 145
a. No. of donors that had type B blood =
Type B blood donors ≈ 16
b. No. of blood donors without blood type O =
Those without blood type O ≈ 80
c. Find the number of people that had type AB:
Type AB = ≈ 6. This is less than 10 donors.
Therefore, blood type AB had less than 10 donors.