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20.02.2020 •
Mathematics
Find the quotient. 4/7 divides 6/15 = ?
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Ответ:
10/7
Step-by-step explanation: When dividing by a fraction, we can change the division sign to multiplication and flip the second fraction.
So 4/7 ÷ 6/15 means the same thing as 4/7 · 15/6.
So when dividing by a fraction, we can just multiply by the reciprocal of that fraction or that fraction flipped.
Next we cross cancel.
4 and 6 reduce to 2 and 3.
So we have 2/7 · 15/3.
Multiplying across the numerators and denominators we have 30/21.
Now we can reduce by dividing top and bottom by 3 and we have 10/7.
So 4/7 ÷ 6/15 is 10/7.
Ответ:
Question:
Which is the value of the expression
A. 1
B. 2
C. 8
D. 10
B. 2
Step-by-step explanation:
Given
Required
Evaluate
Split Fraction
From Laws of Indices
Applying this law to the above expression, we have
Also, from Laws of Indices
Applying this law to the above expression, we have
Multiply 10 by 1
Hence,