3 years ago

Answer this pls !!!!?!?!??!

Mathematics

1 answer:

fomenos2 years ago

5 0

Answer:

Step-by-step explanation:

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Answer:

(5,-3) in the 4th quadrant

Step-by-step explanation:

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2 years ago

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2 years ago

46 3= what is the answer

Andrews [41]

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3 years ago

19. A quadratic equation is shown below.

victus00 [196]

Answer:

$\{\sqrt b, -\sqrt b\}$

Step-by-step explanation:

Given

$a^2 - b = 0$

Required

Determine the solution

Since b is a perfect square, the equation can be expressed as:

$a^2 - (\sqrt b)^2 = 0$

Apply difference of two squares:

$(a - \sqrt b)(a + \sqrt b) = 0$

Split:

$(a - \sqrt b)= 0 \ or\ (a + \sqrt b) = 0$

Remove brackets:

$a - \sqrt b= 0 \ or\ a + \sqrt b = 0$

Make a the subject in both equations

$a =\sqrt b \ or\ a =-\sqrt b$

The solution can be represented as:

$\{\sqrt b, -\sqrt b\}$

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2 years ago

DE=2x EF=2x-6 DF=3x+5 What is DE

Nataly_w [17]

Answer:

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Step-by-step explanation:

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