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stepladder [879]
4 years ago
11

A rectangle has a height of 7a² and a width of a4 + 5a2 + 4.

Mathematics
1 answer:
harkovskaia [24]4 years ago
8 0

Answer:

( {7a}^{2}  \times  {a}^{4} ) +  ({7a}^{2}  \times  {5a}^{3})  + ( {7a}^{2}   \times 4) =  {7a}^{6}  +  {35a}^{5}  +  {28a}^{2}

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Answer:

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Step-by-step explanation:

To find out how many people had it initially, plug 0 in for x (implying 0 days later.)

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