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vladimir2022 [97]
2 years ago
13

Pls help me with this

Mathematics
1 answer:
kvasek [131]2 years ago
7 0

Answer:

1st one is positive

2nd one is negative

3rd one is negative

4th one is positive

Step-by-step explanation:

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Given: an=3+an−1 and a1=5<br><br> What is the explicit rule for the arithmetic sequence?
Flura [38]

The explicit rule for the arithmetic sequence for the sequence is a(n) = 3n + 2.

<h3>What is a sequence?</h3>

It is defined as the systematic way of representing the data that follows a certain rule of arithmetic.

We have given:

\rm a_n=3+a_n_-_1 and

\rm a_1=5

\rm a_n-a_n_-_1= 3

The above expression represents the common ratio:

d = 3

First term:

a = 5

The explicit rule for the arithmetic sequence:

a(n) = 5 + (n - 1)3

a(n) = 3n + 2

Thus, the explicit rule for the arithmetic sequence for the sequence is a(n) = 3n + 2.

Learn more about the sequence here:

brainly.com/question/21961097

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1 year ago
Raina is staining the wooden floor of a court. The court is in the shape of a rectangle. Its length is 51 feet and its width is
Furkat [3]

51*32/102=32/2=16.

Therefore, Raina will need 16 cans to cover the court.


3 0
3 years ago
Mama's Italian Restaurant has collected data about customer sauce orders. It calculated that P(marinara) = 0.82, P(alfredo) = 0.
Keith_Richards [23]
P ( m ) = 0.82
P ( a ) = 0.76
P ( m or a ) = 0.96
P ( m and a ) = ?
--------------------------
P ( m or a ) = P ( m ) + P ( a ) - P ( m and a )
P ( m and a ) = P ( m ) + P ( a ) - P ( m or a ) =
= 0.82 + 0.76 - 0.96 = 0.62
Answer: P ( marinara and alfredo ) = 0.62
7 0
3 years ago
I need help ASAP.........
aliina [53]

Answer:

it will take 20 minutes for her to weed all of her garden

Step-by-step explanation:

8 minutes=40%   16 minutes= 80%  20 minutes=100%

plz mark brainliest

7 0
3 years ago
Read 2 more answers
I need the answer to this ASAP
scoray [572]

Answer: B. NO

Step-by-step explanation: It does not pass the parallel line test

5 0
3 years ago
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