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3 years ago

Find the common ratio of the geometric sequence 18,-90,450,...

Mathematics

2 answers:

Harlamova29_29 [7]3 years ago

7 0

Answer:

-5

Step-by-step explanation:

The common ratio is what you have to multiply one term by to get the next term.

so:

$18 \times r = -90\\-90 \times r = 450$

where r is the common ratio

We can solve these equations:

-90 / 18 = -5

450/-90 = -5

therefore the common ratio is -5

svetlana [45]3 years ago

3 0

Answer:

try looking it up on socratic

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The most recent census for a city indicated that there were 919,716 residents. The population of the city is expected to increas

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Answer:

1,474,951.

Step-by-step explanation:

Given a population that increases by a constant percentage, we can model the population's growth using the exponential model.

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3 years ago

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<h2>○=> <u>Correct option</u> :</h2>

$\color{plum} \bold{ \tt \: \bold{C. \$20,652.00}}$

<h3>○=> <u>Steps to derive correct option</u> :</h3>

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Percentage of sales tax in the city = 8.3%

Sales tax :

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$\color{plum} = \tt \$20652$

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2 years ago

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Means the number you can use
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domain is x^2-9
set to zero to find values we can't use
x^2-9=0
x^2=9
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