Answer:
The number is 4
Step-by-step explanation:
Let the number = 'x'
Reciprocal of 'x' = 1/x
Reciprocal of 2 = 1/2
8 times the reciprocal of 'x' =
Now multiply both sides by x
Now divide both sides by 2
x = 4
Divide mentally. 8.4 ÷ 4,000 = ? A. 0.021 B. 0.0021 C. 0.00021 D. 0.000021 please explaine fully cuz i dont know help hurry
2 answers:
Let's go over it shall we:
8.4 / 4,000
1. first you have to move the decimal point over so that it becomes a whole number. *Hint: however many times you move the decimal point on the outside you do the same on the inside. For example:
2. Once you do that it becomes extremely easy. Next, you just solve it like a regular division problem.
3. The answer is B. 0.0021
Hope I helped ;)
8.4 / 4,000
1. first you have to move the decimal point over so that it becomes a whole number. *Hint: however many times you move the decimal point on the outside you do the same on the inside. For example:
2. Once you do that it becomes extremely easy. Next, you just solve it like a regular division problem.
3. The answer is B. 0.0021
Hope I helped ;)
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Answer:
It's wrong because the y intercepts are different
Step-by-step explanation:
The box method is OP for these kind of questions
If I don't do a good job explaining it then I reccomend you consult the internet
