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Nat2105 [25]
4 years ago
11

Find the product for this: (4X10) X 10

Mathematics
2 answers:
just olya [345]4 years ago
8 0
400 is the answer to your question
Naddik [55]4 years ago
8 0
Okay so you do 4 x 10 which equals 40 then u do 40 x 100
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icang [17]

Answer:

\huge\boxed{14\ \text{and}\ 7}

Step-by-step explanation:

n,\ m-\text{positive integer}\\\\n=2m-\text{a positive integer is twice another}\\\\\dfrac{1}{n}+\dfrac{1}{m}=\dfrac{3}{14}-\text{the sum of the reciprocal of the two positive integer is }\ \dfrac{3}{14}\\\\\text{We have the system of equations:}\\\\\left\{\begin{array}{ccc}n=2m&(1)\\\dfrac{1}{n}+\dfrac{1}{m}=\dfrac{3}{14}&(2)\end{array}\right

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\text{Substitute it to (1):}\\\\n=2\cdot7\\\\\boxed{n=14}

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