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fgiga [73]
3 years ago
15

Helppppp !!!!!! 5a + ( -5 ) - 3a + 10b - 3 - b = ?​

Mathematics
2 answers:
Ivenika [448]3 years ago
5 0

5a + ( -5 ) - 3a + 10b - 3 - b

( 5a - 3a ) + ( -5 - 3 ) + ( 10b - b )

2a + ( -8 ) + 9b

<h3>CMIIW</h3>
AlekseyPX3 years ago
3 0
<h2>{\green {\boxed {\colorbox {orange} {\green {King\:Brainly01}}}}} </h2>

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◇◆□■□■□■□■□■□■□■□■□■□■□■□■□■□■□■□■□■□◆◇

5a + ( -5 ) - 3a + 10b - 3 - b

( 5a - 3a ) + ( -5 - 3 ) + ( 10b - b )

2a + ( -8 ) + 9b

◇◆□■□■□■□■□■□■□■□■□■□■□■□■□■□■□■□■□■□◆◇

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Answer:

The explicit formula

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The recursive formula

a_1 = 3                            for n=1

a_n = a_ {(n-1)} +0.25     if n>1

Step-by-step explanation:

If a sequence is arithmetical then the difference between any of its consecutive terms will be constant

3, 3.25, 3.5, 3.75,

3.25-3 = 0.25\\\\3.5-3.25 = 0.25\\\\3.75 -3.5 = 0.25

The difference between the consecutive terms remains constant so the sequence is arithmetic.

The explicit formula for an arithmetic sequence is:

a_n = a_1 + d (n-1)

Where d is the constant difference between the terms.

d = 0.25

a_1 is the first term of the sequence.

a_1 = 3

So

a_n = 3 +0.25 (n-1)

Finally, the recursive formula is:

a_1 = 3\\\\a_n = a_ {(n-1)} +0.25

8 0
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