There are 4 students on a team for relay race. How many teams can be made from 27 students.
1 answer:
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1. B A C
Reason:
A: 4 is 12.6
B: the Square root of 18.7 is 4.32
2. a
Reason: the square root of 80 is 8.9, thus closest to 9 from all the others.
3. C
Reason: 6/7 = 0.86, and the square root of 3/4 = 0.87
Lets solve for y
7x+3y=m
Step 1: Add -7x to both sides.
7x+3x+-7x=m+-7x
Step 2: Divide both sides by 3.
= 
y=
m + 
x
7x+3y=m
Step 1: Add -7x to both sides.
7x+3x+-7x=m+-7x
Step 2: Divide both sides by 3.
y=