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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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Can someone explain the formula for the area of a pentagon, and the formula for the length of an arc of a portion of a circle? P
RSB [31]
So a pentagon is constructed by five identical triangles, that's why you can find the area of one triangle and multiply it with 5:
A_pentagon=A_triangle*5
To find the area of a triangle you must use tangens.
You can watch this for more on that on youtube. 

For the length of an arc or a portion of a circle you can find it using: 
arc lenght = 2π*r(A/360), where A=angle. 
So if you know radians, then 2π is a whole circle. And to calculate for the specific circle you have to use the radius. That's why you multiply with radius, which is the only difference between any two different circles. you then multiply with the  part of the circle that you want to find the lenght for, which is A/360 (because there are 360° in a circle)

I hope that helped. 


4 0
3 years ago
How do you solve each absolute value by graphing
saw5 [17]
Your question answers itself. You solve by graphing.

I like to subtract one side of the equation from the other, so the solutions are where the graph crosses the x-axis (the resulting function value is zero).

It can be useful to find the "turning point" of each absolute value expression (where its value is zero) and graph that and some points on either side.
7 0
3 years ago
PLEASE HELP ! !
Alex73 [517]

Answer: A or C (i think A because its not including)

Step-by-step explanation:

6 0
3 years ago
4p – 3 = 13<br><br><br><br> answer pls
Galina-37 [17]
P = 4

13 + 3 = 16
16/4 = 4

These questions require reverse order, you have to work backwards
For example 4 * P you would do 4/P instead
8 0
3 years ago
Read 2 more answers
The length of the remote car is 8 1/2 inches to nearest half inch and 8 1/4 to the nearest quarter inch. Which measurement is mo
dangina [55]

Answer:

Step-by-step explanation:

3 0
3 years ago
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