4 years ago

Evaluate the sum of the finite geometric series 3 + 6 + 12 + 24 + 48 + . . . + 768

Mathematics

1 answer:

Wittaler [7]4 years ago

3 0

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4. A classmate is having difficulty finding the measures of <BGE and <BDG in the diagram on the right. What mathematical a

Firlakuza [10]

Part 1) Find the measures of angle BGE
we know that
The inscribed angle measures half of the arc it comprises.
so
angle BGE=(1/2)*[arc EB]

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The measure of the external angle is the semi-difference of the arcs that it covers.
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angle BDG=(1/2)*[arc GEB-arc GB]

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4 years ago

The length of a rectangle is 97 meters and the width is 14 meters. Find the area. Give your answer without units.

Harrizon [31]

Use the formula, l•w (length times width)
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3 years ago

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never [62]

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3 years ago

Find the distance between the points (-5, 0) and (-4, 1).

choli [55]

The formula of a distance between two points A and B is :

$AB=\sqrt{(x_{B}- x_{A})^2 +( y_{B}- y_{A})^2 }$

You should this formula by heart.

Then, you just have to apply it ! :D

Here :

$x_{A}=-5$
$y_{A} =0$

$x_{B} =-4$
$y_{B}= 1$

Therefore :

$\sqrt{(-4-(-5))^2+(1-0)^2}$
$= \sqrt{1^2+1^2}$
$= \sqrt{1+1}$
$= \sqrt{2}$

In short, the answer would be the first option : $\sqrt{2}$ .

Hope this helps !

Photon

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3 years ago

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