Find the given term 11, -33,99 9th term

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Answer 1

Answer: Assuming the sequence goes on like this 11,-33,99,-297,891,...,
its general formula is $a_n=-11\cdot(-1)^n\cdot3^(n-1)$

So, the 9th term is
$a_9=-11\cdot(-1)^9\cdot3^(9-1)=-11\cdot(-1)\cdot6561=72171$

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In the diagram ce =12 and be=5 based on the given info ae =

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the answer is ae=12 that what i got right on my test

12 - it is congruent to CE

A piece of wire 7/8 meter long broke into two pieces.one piece was 1/4 meter long. How is the other piece

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Answer:

The second piece is 5/8 meters.

Step-by-step explanation:

To find the length of the second piece of wire, subtract the length of the first piece of wire from the total.

7/8 - 1/4

Get a common denominator:

7/8 - (1/4) *2/2

7/8 - 2/8

5/8

The second piece is 5/8 meters.

Solve the system by substitution. y = 2x

3x + 2y = 21

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$\left \{ {{y=2x} \atop {3x+2y=21}} \right \longrightarrow \left \{ {{y=2x} \atop {3x+2\cdot2x=21}} \right. \longrightarrow \left \{ {{y=2x} \atop {7x=21}} \right.\longrightarrow \left \{ {{y=2x} \atop \boxed{{x=3}}} \right. \n\ny=2x\longrightarrow y=2\cdot3\longrightarrow \boxed{y=6}$

y=2x;3x+2y=21

Solve y=2x for y

Substitute (2x) for y in 3x+2y=21

3x+2y=21

3x+22x=21

7x=21 (Simplify)

7x / 7 = 21 / 7(Divide both sides by 7)

x=3

Substitute (3) for x in y=2x:

y=2x

y=(2)(3)

y=6 (Simplified)

y=6 and x=3

Please help with my question please and I’ll give brainly

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area is 1/2×h×w

area=0.5×0.5m×2.5m= 0.625m^2!

i just saw it needs to be in simplified fraction haha, then 1/2×1/2×5/2=5/8!

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