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3 years ago

Can someone explain c/4=-9 to me? I think I have the answer but it’s confusing.

Mathematics

1 answer:

forsale [732]3 years ago

3 0

Hi there, I think I might be able to help,

C/4=-9

We can multiply by 4 on both sides to balance the equation

C/4 × 4= -9×4

C=-36

Hope that helped!

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3 years ago

Which expression is equivalent to 2x2+(4x-6x2)+9-(6x+3)

olya-2409 [2.1K]

Answer:

-4x^2 -2x+6

Step-by-step explanation:

2x^2+(4x-6x^2)+9-(6x+3)

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3 years ago

How do you solve 3/4 (5+x) + 4 = 3x + 1? Thanks:)

elena-s [515]

$\dfrac{3}{4}(5+x)+4=3x+1\ \ \ \ |\cdot4\\\\3(5+x)+16=12x+4\ \ \ |\text{use distributive property}\\\\(3)(5)+(3)(x)+16=12x+4\\\\15+3x+16=12x+4\\\\31+3x=12x+4\ \ \ \ |-31\\\\3x=12x-27\ \ \ \ |-12x\\\\-9x=-27\ \ \ \ |:(-9)\\\\\boxed{x=3}$

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3 years ago

Work 9.2

HACTEHA [7]

Answer:

Step-by-step explanation:

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2 years ago

S=k/v(s)+1/v(s) in terms of v(s)

otez555 [7]

Answer:

k + 1

v(s) = -------------

Step-by-step explanation:

Solve the equation S=k/v(s)+1/v(s) for v(s).

To do this, combine the two terms on the right side, which is easily possible becuse they have the same denominator: v(s):

k + 1

S = ------------

v(s)

Now interchange S and v(s), obtaining:

k + 1

v(s) = -------------

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3 years ago

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