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3 years ago

I just need help on confirming my answers please.

Mathematics

2 answers:

-Dominant- [34]3 years ago

8 0

Both A. and D. are increasing.

Paraphin [41]3 years ago

4 0

Answer:

A and D would be the correct answers

Step-by-step explanation:

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Answer:

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3 years ago

Plz help me 3(x+1)=5+x

valkas [14]

Answer:

x=1

Step-by-step explanation:

3x+3=5+x

3x-x+3=5

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3 years ago

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What is 28% of 14,350

xenn [34]

Percent means parts out of 100 so
28%=28/100 or 0.28
'of' can be translated as multiply
28/100 times 14,350=401800/100=4018 or
0.28 times 14,350=4018

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3 years ago

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Use the quadratic formula to solve 9x2 + 6x – 17 = 0. A. B. x = –1, –5 C. D.

Taya2010 [7]

Answer:

$x_{1} = -\frac{1}{3} +\sqrt{2} ; x_{2} = -\frac{1}{3}-\sqrt{2}$

Step-by-step explanation:

9x² + 6x – 17 = 0

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$x = \frac{-b\pm\sqrt{b^2-4ac}}{2a}$

a = 9; b = 6; y = -17

$x = \frac{-6\pm\sqrt{6^2 - 4\times 9 \times(-17)}}{2\times 9}$

$x = \frac{-6\pm\sqrt{36+36\times17}}{18}$

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$x = \frac{-1\pm \sqrt{9\times2}}{3}$

$x = \frac{-1\pm 3\sqrt{2}}{3}$

$x_{1} = -\frac{1}{3} +\sqrt{2} ; x_{2} = -\frac{1}{3}-\sqrt{2}$

The graph below shows the roots at x₁ =1.081 and x₂ = -1.748.

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2 years ago

Which number sentence is always true?

Musya8 [376]

Answer:

Statement B is always correct

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3 years ago

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