3 years ago

In standard form I don’t know exactly

Mathematics

1 answer:

soldi70 [24.7K]3 years ago

4 0

X=-3. That’s the answer

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If a b c=0, but abc don't equal 0, then a^2/bc b^2/ca c^2/ab=

goblinko [34]

$\sf a + b + c = 0\\abc \neq 0\\\\ \frac{a^2}{bc} + \frac{b^2}{ac} + \frac{c^2}{ab} = \frac{a^3+b^3+c^3}{abc} \\\\\sf Formula: \\a^3 + b^3 + c^3 = (a + b + c) (a^2 + b^2 + c^2- ab - bc - ca) + 3abc\\\\\frac{a^3+b^3+c^3}{abc}= \frac{(a + b + c) (a^2 + b^2 + c^2- ab - bc - ca) + 3abc}{abc}\\\\\sf However, ~a+b+c = 0. ~So:\\\\\frac{0 (a^2 + b^2 + c^2- ab - bc - ca) + 3abc}{abc}\\\\\sf Multiply~ anything ~by~ 0, ~and~ you ~get~ 0. ~So~ simplifying:\\\\\frac{3abc}{abc} = \boxed{3}$

Your final answer is 3.

3 0

3 years ago

Help please!!!!!! I don't have a lot of time

Lina20 [59]

Answer:

Its 5,...................

4 0

3 years ago

Read 2 more answers

PLEASE HELP ITS URGENT. I’m not sure how to do this!! I will mark brainlist!!

elena-s [515]

Answer:

2y+3=5y-6. (Since all sides of rhoumbus are equal)

2y-5y=-6-3

-3y=-9

y=-9/-3

y=3

I hope it helps!!

8 0

3 years ago

Pls help it is khan academy pls and thx! :)

Crank

C I believe
Open dot= >
Arrow is pointing > so

4 0

3 years ago

-2(3x - 1) = -6x -1 does it have one Solution, no Solution, or infinite Solutions

oksano4ka [1.4K]

Answer:

None

Step-by-step explanation:

8 0

3 years ago