-9(x + 6) = -207 how to solve it step by step?

Mathematics

2 answers:

nalin [4]3 years ago

3 0

Answer:

Step-by-step explanation:

-9(x + 6) = -207

x+6=23

x=23-6

Charra [1.4K]3 years ago

3 0

First, you have to multiply, so

-9(×+6)=-207=>-9x+(9×6)=-207

I hope it helped you ; )

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Alinara [238K]

I think its either A or C. Leaning more to A. Do you think you could explain the question just a bit more?

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3 years ago

Write an equation that shows the equivalency between meters and gigameters.

Anastasy [175]

Below is an equation that shows the equivalency between meters andGigameters:

$10 ^{9} m = 1 Gm$

The conversion factor should be used to convert from meters toGigameters should be:

$\frac{1 Gm}{10 ^{9} m }$

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3 years ago

If you can explain your answer that’d be great!! Thank you!

Rasek [7]

Answer:

$A(t)=A_{0}e^{\frac{ln(\frac{1}{2})}{22}t}$

Step-by-step explanation:

This half life exponential decay equation goes by the formula:

$A(t)=A_{0}e^{kt}$

Where

$k=\frac{ln(\frac{1}{2})}{Half-Life}$

Since half life is given as 22, we plug that into "Half-Life" in the formula for k and then plug in the formula for k into the exponential decay formula:

So,

$k=\frac{ln(\frac{1}{2})}{Half-Life}\\k=\frac{ln(\frac{1}{2})}{22}$