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Semmy [17]
2 years ago
11

Find the product and simplify. (k+ 4)(-4k – 5)

Mathematics
1 answer:
torisob [31]2 years ago
3 0
The answer is -4k^2 - 21k - 20! so sorry if I’m wrong but it’s the answer I got :>
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A hot air balloon holds 3,249 cubic meters of helium. The density of helium is 0.1785 kilograms per cubic meter. How many kilogr
professor190 [17]
We find the answer by using the density formula: d  =m/v
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3 years ago
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3 years ago
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