3 years ago

Consider the sequence -3, -7,-11, -15...

Mathematics

1 answer:

Alina [70]3 years ago

7 0

Yes, this is a function and a rule could be y=-4x+1

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3 years ago

Find the solution to the following system by substitution.

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2 years ago

What is the next term of the geometric sequence?<br> 72,36, 18,

Stolb23 [73]

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To find the common ratio, take the second term and divide by the first

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4 years ago

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kakasveta [241]

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3 years ago

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In AABC, EF | AB. What is the ratio of BC to FC?

lara31 [8.8K]

Answer:

$\frac{\textbf{BC}}{\textbf{FC}}} = \frac{ \textbf{7 }}{\textbf{4}}$

Step-by-step explanation:

Given that EF ║ AB.

So, we have: $\frac{ \textbf{CE}} {\textbf{EA}} = \frac{ \textbf{CF}} {\textbf{FB}}$

Also, $\frac{ \textbf{AC}} {\textbf{CE}} = \frac{\textbf{CB}}{\textbf{CF}}$

Note that: AC = CE + EA = 3 + 4 = 7 and CE = 3

Therefore, $\frac{CB}{CF} = \frac{7}{4}$

Hence, the answer.

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3 years ago