Step-by-step explanation:
2x²-98=0
2x²=98
x²=98/2
x²=49
x=root 49
so,x=7
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Answer:
Step-by-step explanation:
You add each coeficient with the same type of incognita:
Answer:
The answer is 0.003
Step-by-step explanation:
In order to convert a percentage into a decimal you have to move the decimal two places to the left; just like how you turn a decimal into a percentage by moving the decimal two places to the right.
Answer:
34
Step-by-step explanation:
Subtract 1 from 3 = 2
move 2 to the left of f
Subtract 4 from 72 = 68
2f = 68
2f/2 = 68/2
- cancel the common factor
- so cancel 2/2
divide 68/2
f=34