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4 years ago

8

Multiply. (r + 7)(r - 7)

2 answers:

Lynna [10]4 years ago

7 0

R squared-7r+7r-49
Simplified as r squared-49

Naddika [18.5K]4 years ago

5 0

The screenshot below will give you the answer and the explanation

Hope I helped :)

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AYUDAAAAAAAAAAAA Un numero es 40% mas que el otro número, si la suma de 2 números es 84 busca los 2 números.

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Answer:

Si el número es x, entonces 1.4x + x = 84,

Entonces 2.4x = 84 yx = 84 / 2.4 = 840/24 = 35.

El otro número es 84-35 = 49

Step-by-step explanation:

Espero que te ayudo

Dejame saber : )

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