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Andrei [34K]
3 years ago
7

Need help please will give brainliest

Mathematics
1 answer:
zepelin [54]3 years ago
5 0

Answer:

y=1/5x+7

Step-by-step explanation:

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-3,6,-9,12,-15 which of the following represents the general term for the sequence give?
Mademuasel [1]

The general term for the sequence a_{n}=(-1)^{n} 3 n

<h3><u>Solution:</u></h3>

Given sequence is -3, 6, -9, 12, -15

We have to find the general term of sequence

The terms in the sequence are found out by using the recursive definition:

a_{n}=(-1)^{n} 3 n

Let us use this definition to find out the terms and check if it matches our given sequence

\begin{array}{l}{\text { For } n=1:-(-1)^{n} 3 n=(-1)^{1} \times 3 \times 1=-3} \\\\ {\text { For } n=2:-(-1)^{n} 3 n=(-1)^{2} \times 3 \times 2=1 \times 6=6} \\\\ {\text { For } n=3:-(-1)^{n} 3 n=(-1)^{3} \times 3 \times 3=-1 \times 9=-9} \\\\ {\text { For } n=4:-(-1)^{n} 3 n=(-1)^{4} \times 3 \times 4=1 \times 12=12} \\\\ {\text { For } n=5:-(-1)^{n} 3 n=(-1)^{5} \times 3 \times 5=-1 \times 15=-15}\end{array}

Thus the general term is given by a_{n}=(-1)^{n} 3 n

7 0
3 years ago
The walls in a room are being painted. If 4 cans cover 480 sq ft then how many cans cover 840 sq ft?
solong [7]

Answer:

7 cans

Step-by-step explanation:

You will first have to divide 480 by 4

The anwser is 480 ÷ 4 = 120

Then you will have to 840 ÷ 120 = 7

<h2>The answer is 7 cans </h2>
5 0
3 years ago
Read 2 more answers
Pls help. Which of the following numbers represents
serious [3.7K]

Answer:

89percent

Step-by-step explanation:

i am not good at math but what ever

8 0
4 years ago
I will mark you brainlist!
ivanzaharov [21]
1: answer is 28% of her money
2: 16% was spent on her money
3: $24
4: $45
5: $39 dollars more
6: $128 was NOT spent on movies
(Does these answers work? If so I can explain! And can you please mark me brain list please!!)
4 0
3 years ago
Please help this is due tomorrow ​
tia_tia [17]
Danielle had a percent error of 13.6 (farthest)
Iris had a percent error of 6.8
HB has a percent error of -2.3 (closest)

So the order is HB, Iris, and then Danielle
7 0
3 years ago
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