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2 years ago

Hiiooo! Can someone please help me ❤️❤️:)

Mathematics

2 answers:

shusha [124]2 years ago

6 0

Answer:

Step-by-step explanation:

vodomira [7]2 years ago

4 0

Answer:

b. 50

interior angles of a triangle equal 180

Step-by-step explanation:

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balu736 [363]

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The equation is y=4/3x+4

Step-by-step explanation:

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3 years ago

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melisa1 [442]

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3 years ago

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Can you guys please help me. i don’t need the explanation i just need the answer

Fittoniya [83]

Answer:

Step-by-step explanation:

AOB + BOC = AOC

AOC = 90 since the lines are perpendicular

6x-12 + 3x+30 = 90

Combine like terms

9x + 18 = 90

Subtract 18 from each side

9x+18-18 = 90-18

9x = 72

divide by 9

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3 years ago

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Solve 2x^2 + x - 4 = 0 <br> X2 +

damaskus [11]

Answer:

$\large \boxed{\sf \ \ x = -\dfrac{\sqrt{33}+1}{4} \ \ or \ \ x = \dfrac{\sqrt{33}-1}{4} \ \ }$

Step-by-step explanation:

Hello, please find below my work.

$2x^2+x-4=0\\\\\text{*** divide by 2 both sides ***}\\\\x^2+\dfrac{1}{2}x-2=0\\\\\text{*** complete the square ***}\\\\x^2+\dfrac{1}{2}x-2=(x+\dfrac{1}{4})^2-\dfrac{1^2}{4^2}-2=0\\\\\text{*** simplify ***}\\\\(x+\dfrac{1}{4})^2-\dfrac{1+16*2}{16}=(x+\dfrac{1}{4})^2-\dfrac{33}{16}=0$

$\text{*** add } \dfrac{33}{16} \text{ to both sides ***}\\\\(x+\dfrac{1}{4})^2=\dfrac{33}{16}\\\\\text{**** take the root ***}\\\\x+\dfrac{1}{4}=\pm \dfrac{\sqrt{33}}{4}\\\\\text{*** subtract } \dfrac{1}{4} \text{ from both sides ***}\\\\x = -\dfrac{1}{4} -\dfrac{\sqrt{33}}{4} \ \ or \ \ x = -\dfrac{1}{4} +\dfrac{\sqrt{33}}{4}$

Hope this helps.

Do not hesitate if you need further explanation.

Thank you

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3 years ago

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DaniilM [7]

Answer:

A)(4,9)

B)(6,3)

C)(1,3)

D) (8,7)

E)(8,9)

Step-by-step explanation:

well, for creating points, it gets set up as (x,y) which it lays out in perfet format, and if you need help graphing, i can try and create it.

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2 years ago

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