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11Alexandr11 [23.1K]
3 years ago
9

What is the common ratio for the sequence 5, -10, 20, -40, ...?

Mathematics
2 answers:
Stels [109]3 years ago
7 0

Common ratio is -2

 5 x (-2) = -10

-10 x (-2) = 20

20 x (-2) = -40

Anna [14]3 years ago
6 0

Answer:

the common ratio is -2


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Answer:

$989.23

Step-by-step explanation:

The cost will be the product of the area in square feet and the cost per square foot.

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Filling in the given information, the area is ...

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3 years ago
What is the answer for 3x+2(4x-4)=3?
tatiyna

Answer:

<h3>\boxed{ \bold{ \huge{ \boxed{x = 1}}}}</h3>

Step-by-step explanation:

\sf{3x + 2(4x - 4) = 3}

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⇒\sf{3x + 8x - 8 = 3}

Collect like terms

⇒\sf{11x - 8 = 3}

Move 8 to right hand side and change it's sign

⇒\sf{11x = 3 + 8}

Add the numbers

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Divide both sides of the equation by 11

⇒\sf{ \frac{11x}{11}  =  \frac{11}{11} }

Calculate

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Hope I helped!

Best regards!

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Step-by-step explanation:

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