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3 years ago

Using the figure below, identify the measurements of Angle 3 and Angle 8. Pls help

Mathematics

1 answer:

katrin2010 [14]3 years ago

6 0

Answer:

Angle 3 is 75 degrees

Angles 8 is 105 degrees

Step-by-step explanation:

Angle 3: One line t, angle 3 and the one measure 105 are supplementary and equal to 180 degrees. Subtract 105 from 180.

Angles 8: The angle that measures 105 and angle 8 are alternate exterior angles. This means both angles are equal.

Hope this helps!

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Answer:

The COMMON RATIO of the sequence is -2.

Step-by-step explanation:

Here, the given sequence is:

5, -10, 20 ,-40

Here, The first term ( a 1 ) of the sequence is (5)

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Now, calculating the common ratio (r) of sequence ,we get:

$\frac{a_2}{a_1} = r = (\frac{-10}{5}) = -2\\\frac{a_3}{a_2} =r = (\frac{20}{-10}) = -2$

So, here r =(-2)

⇒ The COMMON RATIO of the sequence is -2.

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