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ad-work [718]
3 years ago
8

3y

Mathematics
1 answer:
zysi [14]3 years ago
7 0

Answer:

decreases

Step-by-step explanation:

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Find the explicit formula for a 1 =-4,a n =a n-1 +9,n>=2
Mrrafil [7]

Given:

a_1=-4 and a_n=a_{n-1}+9 where n\geq 2.

To find:

The explicit formula for the given recursive formula.

Solution:

We know that recursive formula of an AP is:

a_n=a_{n-1}+d

Where, d is the common difference.

We have,

a_n=a_{n-1}+9

Here, d=9.

The first term of the AP is a_1=-4.

The explicit formula for an AP is:

a_n=a_1+(n-1)d

Substituting a_1=-4 and d=9, we get

a_n=-4+(n-1)9

a_n=-4+9n-9

a_n=-13+9n

Therefore, the required explicit formula for the given sequence is a_n=-13+9n.

6 0
3 years ago
Make a equation with a slope of 2 and a y-intercept of -1
Nesterboy [21]

Answer:

y=2x-1

Step-by-step explanation:

y=mx+b where m=slope and b=y-intercept

4 0
3 years ago
Read 2 more answers
Determine the time needed to deliver 72 papers at a rate of 9 papers in 18 minuets
monitta
Hey there,

Question : <span>Determine the time needed to deliver 72 papers at a rate of 9 papers in 18 minuets

Answer : 
9 papers = 18 min
1 paper = 18 / 9
             = 2 min
72 papers = 2 x 72
                 = 144 mins

Hope this helps :))

<em>~Top♥</em>
</span>
3 0
3 years ago
Write -4x^2-16x-14 in vertex form.
frutty [35]

Answer:

(-2,2)

Step-by-step explanation:

hope this helps :)

5 0
3 years ago
Can someone help me on this one Please
Mumz [18]
X-4y=1
2x+y=11
ok so you have x-4y=1 and 2x+y=11
3x-3y=12 is your answer
6 0
3 years ago
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