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DIA [1.3K]
3 years ago
8

Which is the equation for the nth term of the geometric sequence-2, 8, -32, ... ?

Mathematics
1 answer:
Cerrena [4.2K]3 years ago
4 0

Answer:

54

Step-by-step explanation:

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How do i find the area of 8,12, and 4?
Viefleur [7K]

Answer:

Step-by-step explanation:

6 0
2 years ago
Read 2 more answers
A fly starts out 2 meters from a lightbulb, flies closer to the light, then farther away (2 meters again). At this point the fly
Lorico [155]

Answer

f(t)=2cos(t)

Step-by-step explanation:

let's describe the situation first, a fly is starting 2 meters from the bulb and flies towards the bulb and when it is really close to the bulb, it flies 2 meters further away from the bulb this means that it reaches d = 0m (distance from the bulb) and then flies further 2 meters so d = -2m.

it this point the fly returns back and touches the bulb and flies away (ends it's oscillatory motion ). d = 0 again and story ends here.

here if we want to model this problem with time function , the cosine function seems the best fit with amplitude of 2, so the answer is f(t) = 2cos(t).

Now you can ask why cosine function? well if you look at the graph or the plot of the function it perfectly captures the physical situation going on here in this problem.

Domain is 0 to 2\pi because it is one complete cycle and the range is -2 to +2.

6 0
3 years ago
-4/5x =8 give me solution pls
astra-53 [7]

Answer:

x = - 10

Step-by-step explanation:

Given

- \frac{4}{5} x = 8 ( multiply both sides by 5 to clear the fraction )

- 4x = 40 ( divide both sides by - 4 )

x = - 10

6 0
3 years ago
Read 2 more answers
Can anyone help please?
Furkat [3]
Alternate interior angles are equal.
2x - 10 = 65 - x
2x + x = 65 + 10
3x = 75
x = 75/3 = 25
x = 25.
8 0
3 years ago
You randomly choose a letter from a hat with the letters A through J. Without replacing the first letter, you choose a second le
slamgirl [31]

Answer:

21/100

Step-by-step explanation:

Letters:  ABCDEFGHIJ  10 letters

Vowels: AEI  3

P (vowel)= vowels/ total = 3/10

No replacement  ( assume the letter taken was a

Letters:  BCDEFGHIJ  9 letters

Consonants : BCDFGHJ  7 letters

P(constant) = 7/10

P(vowel, no replacement, consonant) =P (vowel)*P(constant)

                                                               =3/10*7/10

                                                               =21/100

4 0
2 years ago
Read 2 more answers
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