2 years ago

Find s8 for the following geometric sequence: 3, –6, 12, –24. A. 204 B. –238 C. 192 D. –255

1 answer:

Gnom [1K]2 years ago

7 0

I hope you can see this

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Elodia [21]

X/3 = 8/12
12 * x = 8 * 3
12x = 24
x = 2

8/12 = 4/y
8y = 48
y = 6

8 0

2 years ago

serg [7]

Area of square= s^2
12.25=s^2
take the sqrt(12.25) = 3.5
Perimeter of square = 4s
P=4(3.5)
P= 14 m

3 0

2 years ago

Alex

-5

a^2-25=0

a^2=25

take the square root of both sides

a=5, and -5

5 0

2 years ago

GuDViN [60]

ANSWER

$f(x) = 4( {2})^{x}$

EXPLANATION

Given the exponential function,

$y = f(x)$

Then the function

$y =a f(x)$

is stretched vertically by a factor of 'a' units, for a>0.

Based on this, if a=4 and

$f(x) = {2}^{x}$

Then the equation of the new function is

$f(x) = 4( {2})^{x}$

3 0

2 years ago

Elina [12.6K]

See "intersecting secants theorem" (you should be able to find a variant that specifically applies to arc measures). It says that for this circle,

$30^\circ=\dfrac{x-40^\circ}2\implies x=100^\circ$

7 0

2 years ago