3 years ago

Clearer photo of my recent question

Mathematics

1 answer:

lianna [129]3 years ago

3 0

Answer:

Try 4/6

Step-by-step explanation:

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Which of the following expression is equivalent to a+(-b)

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jack has 14 cards. by the end of the week his amount of cards has doubled. how many cards does jack have now

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Answer:

Jack has 28 cards.

Step-by-step explanation:

To double 14, multiply 14 times 2. 14x2=28

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This year, a small business had a total renvue of 51,000. If this 36% more than their total renvue the previous year, what was t

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3 years ago

The equation 9 x 2 − 12 x + 4 = 0 9 x 2 − 12 x + 4 = 0 has how many different solutions?

Hatshy [7]

We have the equation:

$9x^2-12x+4=0$

so:

$a=9\qquad b=-12\qquad c=4$

and:

$\Delta=b^2-4ac=(-12)^2-4\cdot9\cdot4=144-144=\boxed{0}$

This equation has one solution.

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3 years ago