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Alona [7]
2 years ago
10

Simplify (a+b) ²-2ab​

Mathematics
1 answer:
Scrat [10]2 years ago
6 0

Answer:

a² + b²

Step-by-step explanation:

(a + b)² - 2ab ← expand parenthesis using FOIL

= a² + 2ab + b² - 2ab ← collect like terms

= a² + b²

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A teenager’s heart pumps an average of 7200 L of blood every 24 hours. What is the rate of change of volume of blood?
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300L per hour

Step-by-step explanation:

The rate of change of volume of blood pumped by the teenager's heart expresses the volume of blood pumped with respect to hour.

Rate of change of volume of blood = \frac{volume of blood}{time}

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40% means 0.4 .

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How far is 10% of a 2000 kilometer trip
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