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sergejj [24]
2 years ago
14

{3x+y=2 {6x +2y=4 i think it’s system of equations

Mathematics
1 answer:
kirill [66]2 years ago
4 0

Answer:

<em>Infinitely many solutions.</em>

Step-by-step explanation:

3x+y=2

6x+2y=4

6x+2(2-3x)=4

6x+4-6x=4

6x-6x=4-4

0=0

Since the two equations are the same, the system of equations has <em>infinitely many solutions.</em>

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The difference of twice a number and 2 is<br> 40. Find the number.
IgorLugansk [536]

Answer:

answer = 21

Step-by-step explanation:

2n - 2 = 40

2n - 2 + 2 = 40 + 2

2n = 42

2n/2 = 42/2

n = 21

4 0
2 years ago
Can some one help me with this
Studentka2010 [4]
The answer is 2 i hope this helps
7 0
2 years ago
Helpppp meeeeeeeeee will give brainiesttttt
Gala2k [10]

Answer:

180

Step-by-step explanation:

A 180 rotation will be

(x, y) -> (-x, -y)

4 0
3 years ago
Jared creates a number sequence that has a first term of 2 and a second of term of 5. Each term after the second is created by s
dexar [7]

The rule for the sequence is S(n) = 2S(n-1) - S(n-2)

Alternative form: S(n) = S(n-1) + 3

Step-by-step explanation:

In this problem, we know the first two terms of the sequence:

S(1) = 2

S(2) = 5

We are told that each term after the second is created by subtracting the term before the previous term from twice the previous term. In other words, if we call:

S(n) the current term

S(n-1) the previous term

S(n-2) the term before the previous term

This statement translates into the following sequence:

S(n) = 2S(n-1) - S(n-2)

Because we are subtracting the term before the previous term, S(n-2), from twice the previous term, 2S(n-1).

We can apply now the rule to find the first few terms of the sequence after S(1) and S(2):

S(3) = 2S(2) - S(1) = 2(5)-2=10-2 = 8

S(4) = 2S(3) - S(2) = 2(8)-5=16-5 = 11

S(5) = 2S(4) - S(3) = 2(11)-8=22-8 = 14

We notice also that each term of the sequence is just equal to the previous term plus 3, so the sequence can also be written as

S(n) = S(n-1) + 3

Learn more about sequences:

brainly.com/question/1522572

brainly.com/question/3280369

#LearnwithBrainly

4 0
3 years ago
PLEASE HURRY THANK YOU!!!!
klemol [59]

Answer:

-125

Step-by-step explanation:

[-5]^3 = -125

7 0
2 years ago
Read 2 more answers
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