Choose the correct simplification of m^7n^4/m^4n^3 m^11n^7 m^11n m^3n m^3/n^7
1 answer:
The simplification of given expression is:
Step-by-step explanation:
Given fraction is:
When the exponents with same base are in numerator and denominator, the exponents can be added or subtracted
As we prefer to keep the exponents positive, both the exponents in the denominator will be moved to numerator
Hence,
The simplification of given expression is:
Keywords: Exponents, Fractions
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Answer:
Jim's current weight = 119 pounds
Step-by-step explanation:
1 Stone = 14 pounds
stone = 1.5 stone
1.5 stone = 1.5 (14 pounds) = 21 pounds
Jim lost 21 pounds
Let X be Jim's Original Weight
Y be his present weight
As per given statement in the Question:
After losing 1.5 stones (21 pounds of weight) Jim now weighs Y
Present weight = original weight - 21
Y = X -21 <u> Equation 1</u>
Also Current Weight = 85 % (Original weight)
Y = 85 % (X) =
Y=
put in Equation 1
= X-21
85X = (X-21) 100
85 X = 100 X -2100
or
2100 = 100 X - 85X
2100 = 15X
or
15 X = 2100
X= 140 pounds ( Original Weight)
Current Weight = Y = Original weight - 21 <u><em>(From Equation 1)</em></u>
Y = X -21
Y = 140 -21
Y = 119 pounds (Current Weight)