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valkas [14]
3 years ago
12

What is the term-to-term rule for this sequence? 64, 32, 16, 8, 4

Mathematics
1 answer:
just olya [345]3 years ago
4 0

Answer:

a n=1/2 an - 1

Step-by-step explanation:

64,32,16,8,4. is a geometric sequence. this is a sequence where, to get from one term to the next, there is a number that you have to multiply it by. this is the same for all parts of the sequence.

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A moto maintained a constant speed of 13 miles per hour relative to the water in going 25 miles upstream and then returning. The
MrRa [10]

Answer:

current speed = 12 mph

Step-by-step explanation:

distance / rate = time

time upstream + time downstream = 26    

25 / (13-c)         +      25 / (13+c)         = 26         ( c = current speed)

solve for c = 12 mi/hr

8 0
1 year ago
What's the difference between 6z and z to the 6th power?
zubka84 [21]
6 is added to itself z many times whilst z is multiplied by itself 6 times.
8 0
3 years ago
Read 2 more answers
If f(x) = 3x^2 - 4x + 5 and g(x) = 2x^2 + 2,<br> find f(x) – g(x).<br><br> Answer: x^2 - 4x + 3
Nadusha1986 [10]

Answer:

f(x) – g(x) = x^2 - 4x + 3

Step-by-step explanation:

f(x) = 3x^2 - 4x + 5 and g(x) = 2x^2 + 2,

f(x) – g(x) = 3x^2 - 4x + 5 - ( 2x^2 + 2)

Distribute the minus sign

f(x) – g(x) = 3x^2 - 4x + 5 - 2x^2 - 2

  Combine like terms

f(x) – g(x) = x^2 - 4x + 3

 

5 0
2 years ago
Which line has a constant of proportionality between y and x of 4/3<br><br> ​
Licemer1 [7]

Answer:

Line A:  constant of proportionality is 4/3

Step-by-step explanation:

The equation in question is y = (4/3)x, where (4/3) is the constant of proportionality as well s the slope of the line.  The only line here that has a slope greater than 1 is the blue line (A).

6 0
3 years ago
Read 2 more answers
Can someone please help me with number 6?
Vlad1618 [11]

Step-by-step explanation:

substitute a with 2 and b with 3

2x+3

because it's the same equation it should just be an equal sign.

8 0
2 years ago
Read 2 more answers
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