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mel-nik [20]
2 years ago
15

Vivi is a drummer for a band. She burns 756 calories while drumming for 3 hours. She burns the same number of calories each hour

.
How many calories does Vivi burn per hour?


Oof first right answer gets brainliest
Mathematics
1 answer:
Drupady [299]2 years ago
6 0
252 Calories.

756 calories divided by 3 hours = 252
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X - 12<br> 2x<br><br> find the perimeter
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Answer:

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Step-by-step explanation:

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3 years ago
I don't understand this factorisation <br> a2+ 4a+3​
Tomtit [17]

Answer:

\boxed{\sf (a + 3)(a + 1)}

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\sf Factor  \: the  \: following:  \\  \sf \implies  {a}^{2}  + 4a + 3 \\  \\  \sf The \:  factors  \: of \:  3 \:  that \:  sum \:  to \:  4  \\ \sf are \:  3  \: and  \:  1. \\ \\  \sf So,  \\   \sf \implies {a}^{2}  + (3 + 1)a + 3 \\  \\  \sf \implies   {a}^{2}  + 3a + a + 3 \\  \\  \sf \implies a(a + 3) + 1(a + 3)  \\  \\ \sf \implies (a + 3)(a + 1)

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2 years ago
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