4 years ago

Factor each expression. Problem: g^2 - 9 Answer: (g + 3) (g - 3)

1 answer:

8 0

$g^2-9$
The 9 here could be rewritten as 3^2,

$g^2-3^2$
Factor the difference in these two squares, you get
$(g-3)(g+3)$

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gizmo_the_mogwai [7]

Answer:

The step 3 is incorrect in the conversion, is not necessary

Step-by-step explanation:

we have

The speed is $76\frac{mm}{min}$

we know that

1 mm=0.1 cm

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$76\frac{mm}{min}=76(0.1)/(1/60)=76(0.1)(60)=456\frac{cm}{h}$

step 1

Multiply 76 by 0.1

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The step 1 is correct

step 2

Multiply the result obtained in step 1 by 60.

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The step 2 is correct

step 3

Multiply the result obtained in step 2 by 60

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therefore

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3 years ago

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den301095 [7]

Answer:

This is an isosceles triangle.

So, we have:

Tangent 32 = x/11

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3 years ago

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IgorC [24]

Answer:

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Step-by-step explanation:

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Answer:

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3 years ago