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NARA [144]
3 years ago
7

4, 8, 16, 32, ... n is an integer, which of these functions generate the sequence?

Mathematics
1 answer:
MrRa [10]3 years ago
8 0

Answer:

see below

Step-by-step explanation:

4*2 = 8

8*2 = 16

16*2 = 32

We are multiplying by 2 each time

an = 4 ( 2) ^ ( n-1)

but 4 = 2*2

an = 2^2 * 2^ n-1

an = 2 ^ ( n+1)

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17. You invest $4000 in an account to save for college.
alexdok [17]

Answer:

a. $4,415.25

b. $4,376.70

c. 2.27986 years

Step-by-step explanation:

a.

A = 4,000 (1 + 0.05/2)^(2 x 2)

   = $4,415.25

b.

A = 4,000 x e^(0.045 x 2)

   = $4,376.70

c. $100 more than option 2 = 4,376.70 + 100

                                              = $4,476.70

t (in years) = ln(4,476.70/4,000) /  ln(1 + 0.05/2)

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7 0
3 years ago
Solve 3x + 11 = k for x.
masya89 [10]

3x +11 = K

To solve for X, we need to isolate x on one side.

Subtract 11 from both sides:

3x = K -11

Divide both sides by 3:

x = (k-11)/3

8 0
3 years ago
Read 2 more answers
An acute angle θ is in a right triangle with cos θ = five sixths. What is the value of sec θ?
Anvisha [2.4K]

since secθ = 1/cosθ

then secθ of cos(5/6) would be 1 / 5/6 = 6/5

3 0
3 years ago
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The population of bacteria in a petri dish doubles every 12 h. The population of the bacteria is initially 500 organisms. How lo
Alenkasestr [34]

Answer:

The answer is 8.1 h




Good luck!!!!!

Step-by-step explanation:


6 0
3 years ago
How do we do this out?
mars1129 [50]

\dfrac{ {2x}^{2} + 7x + 6 }{x + 2}  \\  \\  =  \dfrac{(2x + 3)(x + 2)}{x + 2}  \\  \\  = 2x + 3

Answer : 2x + 3

Hope this helps. - M
6 0
4 years ago
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