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Tpy6a [65]
3 years ago
5

A) 3x - y = -4

Mathematics
1 answer:
musickatia [10]3 years ago
6 0

Answer:

D) 3x + y = -4

5x + y = -8

Step-by-step explanation:

You might be interested in
First five term for An=n^2-2n
densk [106]

First 5 terms are: -1,0,3,8,15

Step-by-step explanation:

we will put n=1,2,3,4,5 to find first 5 terms of the sequence

Explicit formula for sequence is:

a_n = n^2-2n

Putting n=1

a_1 = (1)^2-2(1)\\= 1-2\\= -1

Putting n=2

a_2 = (2)^2-2(2)\\= 4 - 4 \\=0

Putting n=3

a_3 = (3)^2-2(3)\\= 9-6\\= 3

Putting n=4

a_4 = (4)^2 - 2(4)\\= 16-8 \\= 8

Putting n=5

a_5 = (5)^2-2(5)\\= 25 - 10\\= 15

Hence,

First 5 terms are: -1,0,3,8,15

Keywords: Arithmetic sequence, Common difference

Learn more about arithmetic sequence at:

  • brainly.com/question/1349456
  • brainly.com/question/1332667

#LearnwithBrainly

6 0
3 years ago
What is the missing length????
ehidna [41]
The answer is B (20.2 ft)
7 0
4 years ago
Help its pi, ill give brainiest to the first answer show work please :)
saw5 [17]

Answer:

16m

8m

50.24m

200.96m^2

Step-by-step explanation:

13. 8*2=16

14. 8m

15. 2pi r = 2* pi* 8= 50.24

16. pi r^2 = pi * 8^2= 200.96m^2

8 0
3 years ago
Read 2 more answers
A young boy is growing at a rate of 3.5 cm per month. He is currently 90 cm tall. At that rate ,how many months will the boy gro
e-lub [12.9K]
First, subtract the height he will grow to to the height he is now.

132 - 90 = 42

Now divide this from 3.5.

42 / 3.5 = 12

So it will take 12 months for him to grow to a height of 132 cm.
3 0
3 years ago
Help please like desperately in need of help
Rus_ich [418]
Answer: 8x^2+2x+3 where ^2 means the 2 is an exponent.
7 0
3 years ago
Read 2 more answers
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