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Gre4nikov [31]
3 years ago
10

Plz answer this step by step thank you x^2 + 15x + 56

Mathematics
1 answer:
Schach [20]3 years ago
4 0

Answer:

(x + 7)(x + 8)

Step-by-step explanation:

{x}^{2}  + 15x + 56 \\ =   {x}^{2}  + 8x + 7x + 56 \\  =  {x}(x + 8) + 7(x + 8) \\  = \huge \red{ \boxed{ (x + 8)(x + 7)}}

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At a party, everyone shook hands with everybody else. There were 66 handshakes. How many people were at the party?
Neporo4naja [7]


Every body has two hands so we have to multiply 66 by 2.

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The answer is 132.

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2 years ago
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In 2015, an autonomous vehicle drove from the Golden Gate Bridge to New York City at an average speed of 15.7 miles per hour. Th
ivolga24 [154]

The speed is the distance covered by an object at a particular time. The distance that is covered by the vehicle is 3,391 miles.

<h3>What is speed?</h3>

The speed is the distance covered by an object at a particular time. Therefore, it is the ratio of distance and time.

Speed = Distance / Time

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Hence, the distance that is covered by the vehicle is 3,391 miles.

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4 0
1 year ago
At the beginning of the month Leslie's parents put $35.00 on her account. If lunch costs $2.55 per day, how much money would be
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