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DiKsa [7]
3 years ago
11

Write the recursive formula for the arithmetic sequence {an}={2.6,4,5.4,6.8,8.2,...}

Mathematics
1 answer:
Westkost [7]3 years ago
7 0

Answer:

1.4

Step-by-step explanation:

start by subtracting 2.6 and 4 you'll get -1.4 dont mind the negative because it doesn't matter, and now you add 1.4 to each number and that's how you get the next number. like 1.4+5.4=6.8 and 1.4+6.8=8.2, and so on.

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Please answer this correctly I have to finish this today as soon as possible
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Answer:

It seems like it is 110 degrees.

Step-by-step explanation:

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3 years ago
Please help me! The i is an imaginary number<br><br> (9+4i)^2
beks73 [17]
Answer: 2500

Explanation: I turned the I into a 1 and it turned into a 41 so I added 9+41 which is 50. Then I multiplied 50 by 50 because of the ^2 which gave me 2500. I’m assuming that you can put whatever number as a replacement for the I. I’m sorry if this answer isn’t right.
4 0
2 years ago
If two of the angles of a triangle are 30 and 70 degrees, the third angle measures...?
Masteriza [31]

Answer:

80°

Step-by-step explanation:

Since a triangle has three angles that add up to 180°, you add the two given angles and subtract it from 180°.

1

70° + 30° = 100°

2

180° - 100° = 80°

7 0
3 years ago
Twice the difference of a number and
Cerrena [4.2K]
2(w-8) = 9. Hope it helps!
4 0
3 years ago
Find the equation of the exponential function represented by the table below: above^^^^
Nikitich [7]

Answer:

Step-by-step explanation:

We will use 2 coordinates from the table along with the standard form for an exponential function to write the equation that models that data. The standard form for an exponential function is

y=a(b)^x where x and y are coordinates from the table, a is the initial value, and b is the growth/decay rate. I will use the first 2 coordinates from the table: (0, 3) and (1, 1.5)

Solving first for a:

3=a(b)^0. Sine anything in the world raised to a power of 0 is 1, we can determine that

a = 3. Using that value along with the x and y from the second coordinate I chose, I can then solve for b:

1.5=3(b)^1. Since b to the first is just b:

1.5 = 3b so

b = .5

Filling in our model:

y=3(\frac{1}{2})^x

Since the value for b is greater than 0 but less than 1 (in other words a fraction smaller than 1), this table represents a decay function.

4 0
3 years ago
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