3 years ago

Write an equation for the description. Two-thirds a number x plus 5 is 8.

Mathematics

2 answers:

jok3333 [9.3K]3 years ago

8 0

Answer:

2/3x+5=8

Step-by-step explanation:

nydimaria [60]3 years ago

5 0

2/3x + 5 = 8

That’s the way I would do it hope it isn’t wrong :)

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Step-by-step explanation:

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3 years ago

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Answer:

Answer: 216 cm2 (square centimetres $cm^{2}$ , in your question you had to put cm3, cubic centimetres, it's IMPORTANT )

Step-by-step explanation:

A perfect cube by definition has 3 equal dimensions, as an immediate rule: volume and total surface are equal, only the unit of measure changes (cubic for the volume, square for surface).

But let's calculate it anyway:

Volume = Edge * Edge * Edge = length * width * depth = $Edge^{3}$ (remember: all edges are equal in this case)

so Edge = $\sqrt[3]{Volume}$

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Note: I call them "edges" but in case of a cube most say just "length"

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