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3 years ago

Please help answer this correctly!!! will mark brainliest!!!

Mathematics

2 answers:

ExtremeBDS [4]3 years ago

7 0

1 first one

2 third one

3 first one

Andrej [43]3 years ago

3 0

First

Third

First

Can u mark me brainliest

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Which statements are true? Select the two correct answers.

denpristay [2]

Answer:

5.the square root is positive number lessthan 1 is beteween 0 and 1

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3 years ago

Which are the solutions of x² = 19x + 12

Sever21 [200]

Answer:

$\{x=\frac{19-\sqrt{409} }{2}\ , \ x=\frac{19+\sqrt{409} }{2}\}$

Step-by-step explanation:

x² = 19x + 12

⇔ x² - 19x - 12 = 0

Calculating the discriminant :

b² - 4ac = (-19)² - 4×1×(-12) = 409

The discriminant is positive ,then the equation has two solutions.

$x=\frac{19-\sqrt{409} }{2} \ \ or\ \ x=\frac{19+\sqrt{409} }{2}$

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2 years ago

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3 years ago

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3 years ago

PLEASE HELP!!!!

Ilya [14]

Answer:

dang

Step-by-step explanation:

A. x – 58 = 129 yes

B. x + 58 = 129 no

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D. 129 – 58 = xyes

E. (180 – 129) – 51 + x = 180no

hope this helps

7 0

2 years ago

Read 2 more answers