13 hours
78.00 ÷ 6.00 equals 13 hours
6×13 equals 78
I believe it is A and D. All you have to do is add them all together and if both sides are the same then its a correct answer.
Answer:
Relation 1 : Not a function
R2 : Function
R3: Function
R4: Not a function
Answer:
Step-by-step explanation:
x²+x²=9²
2x²=81
x²=81/2=(81×2)/4
x=9√2/2≈4.5√2≈6.36
9.
x²+x²=11²
2x²=11²
x²=11²/2
x=11/√2=11√2/2≈7.78
