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2 years ago

I need help on these questions who ever answers this question will be the brainliest!!

Mathematics

2 answers:

Nana76 [90]2 years ago

6 0

Answer:

buut

Step-by-step explanation:

hvb hbd

il63 [147K]2 years ago

4 0

B=102°
A=78
C=78°

The Opposite angles are equal which means B is equal to 102° and lines on a straight line equals 180 so 180-102=78

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2 years ago

How to multiply by tens 60×20

Amanda [17]

The awnser to 60 x 20 is: 120

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2 years ago

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2 years ago

Show all work to solve by factoring 3x^2 − x − 2 = 0.

shtirl [24]

Answer:

The solutions are x=1 and x=-2/3

Step-by-step explanation:

we have

$3x^{2}-x-2=0$

Group terms that contain the same variable, and move the constant to the opposite side of the equation

$3x^{2}-x=2$

Factor the leading coefficient

$3(x^{2}-(1/3)x)=2$

Complete the square. Remember to balance the equation by adding the same constants to each side

$3(x^{2}-(1/3)x+(1/36))=2+(1/12)$

$3(x^{2}-(1/3)x+(1/36))=25/12$

Rewrite as perfect squares

$3(x-(1/6))^{2}=25/12$

$(x-(1/6))^{2}=25/36$

square root both sides

$(x-(1/6))=(+/-)(5/6)$

$x=(1/6)(+/-)(5/6)$

$x=(1/6)(+)(5/6)=1$

$x=(1/6)(-)(5/6)=-2/3$

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3 years ago

(conditional statement) If anyone knows this lesson, could you please help me with it? Tonight's the due date.

lana66690 [7]

Answer:

Hello lad, i am a professional and i seek out videos for every persons questions. I search far and wide, i hope to get an administrator role on this app, here is your answers! It explains everything!

Copy this link and go to it! It leads to a you-tube video with all the answers about this topic!

Step-by-step explanation:

Link: https://youtu.be/dQw4w9WgXcQ

Please mark BRAINLIEST! I hope to get a role in this app!

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2 years ago