3 years ago

Please help, round to the nearest thousandth

Mathematics

1 answer:

laiz [17]3 years ago

8 0

Answer:

75.398

Step-by-step explanation:

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I think the answer is 12

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3 years ago

Choose the correct simplification of the expression (3x − 6)(2x2 − 4x − 5).

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What types of solutions will a quadratic equation have when the discriminant b2 − 4ac in the quadratic formula is a perfect squa

netineya [11]

<em>The discriminant must be zero.</em>

Step-by-step explanation:

A Perfect-Square Trinomial is given by the form:

$(\alpha x \pm \beta)^2=(\alpha^2x^2 \pm 2\alpha x \beta + \beta^2)$

The discriminant in the quadratic formula is:

$\Delta=b^2-4ac \\ \\ \\ Here: \\ \\ a= \alpha^2 \\ \\ b=2\alpha \beta \\ \\ c=\beta^2 \\ \\ \\ So: \\ \\ \Delta=(2\alpha \beta )^2-4(\alpha^2)(\beta^2) \\ \\ \Delta=4\alpha^2 \beta^2-4\alpha^2 \beta^2=0$

So in order to get a perfect square,<em> the discriminant must be zero.</em>

<h2>Learn more:</h2>

Discriminant: brainly.com/question/1537997

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3 years ago

Hello everyone in Brainly! I have favor to ask you guys. Can you help me with my math homework by any chance. If you do help me

JulsSmile [24]

Answer:

Step-by-step explanation:

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2 years ago

Do the following side lengths form a triangle?<br><br> 6, 18, 14

kogti [31]

Answer:

yes

Step-by-step explanation:

The triangle inequality requires the sum of the two short sides exceed the long side.

6 +14 = 20 > 18

The triangle inequality is satisfied by these numbers, so they could be the side lengths of a triangle.

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2 years ago