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3 years ago

In Japan. The meal is served in a box. A small bento is a rectangular prism that is 5 inches long by 2 1/2

Mathematics

2 answers:

hammer [34]3 years ago

8 0

It can hold 50 cubic inches of food

l x w x h

= 50

Thepotemich [5.8K]3 years ago

3 0

Answer:

50 cubic inches of food

Step-by-step explanation:

v = l x w x h

= 50

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3 years ago

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3 years ago

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Dahasolnce [82]

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3 years ago

Rationalize the denominator of square root of negative 49 over open parentheses 7 minus 2 i close parentheses minus open parenth

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The answer is the option d, which is: d) $\frac{-77+21i}{130}$

The explanation for this problem is shown below:

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2. Multiply the denominator and the numerator by the conjugated $(3+11i)$ and simplify the expression, as following:

$\frac{7i(3+11i)}{(3-11i)(3+11i)} \\ \frac{21i+77i^{2}}{121+9} \\ \frac{-77+21i}{130}$

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4 years ago

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$1.\\81-4x^2=0\\\\9^2-(2x)^2=0\\\\(9-2x)(9+2x)=0\iff9-2x=0\ \vee\ 9+2x=0\\\\-2x=-9\ \vee\ 2x=-9\\\\x=4.5\ \vee\ x=-4.5$

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$2.\\4s^2+9=12s\\\\4s^2-12s+9=0\\\\(2s)^2-2\cdot2s\cdot3+3^2=0\\\\(2s-3)^2=0\\\\(2s-3)(2s-3)=0\iff2s-3=0\\\\2s=3\\\\s=1.5$

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3 years ago

Read 2 more answers