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dsp73
4 years ago
14

What is x+y <3 (0,0)

Mathematics
1 answer:
larisa [96]4 years ago
3 0
The expression is a bit invalid. You can't add variables by variables. 
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The nth term of this sequence is ansquared+by+c<br> 1,11,27,49 <br> Find the values of a b and c
stiv31 [10]

Answer:

The values of a, b and c are:

  • a = 3
  • b = 1
  • c = -3

Step-by-step explanation:

Step 1:

First Confirm the sequence is quadratic by finding the second difference.

Sequence = 1,11,27,49

1st difference:

  • 11-1=10
  • 27-11=16
  • 49-27=22

2nd difference:

  • 16-10=6
  • 22-16=6

Step 2:

Just divide the second difference by 2, you will get the value of a.

6 ÷ 2 = 3

So the first term of the nth term is 3n^{2}

Step 3: Next, substitute the number 1 to 5 into  3n^{2}

n = 1,2,3,4,5

3n² = 3,12,27,48,75

Step 4:

Now, take these values (3n²) from the numbers in the original number sequence and work out the nth term of these numbers that form a linear sequence.

n = 1,2,3,4,5

3n² = 3,12,27,48,75

Differences:

1 - 3 = -2

11 - 12 = -1

27 - 27 = 0

49 - 48 = 1

Now the nth term of these differences (-2,-1,0,1) is (n - 1) - 2.

so b = 1, and c = -3

Step 5: Write down your final answer in the form an² + bn + c.

3n² + (n - 1) -2

= 3n² + n - 1 - 2

= 3n² + n - 3

Therefore, the values of a, b and c are:

  • a = 3
  • b = 1
  • c = -3
4 0
4 years ago
Plz help itz due tommorow plz<br><br>question in pic
vekshin1

Answer:

The answer is -2

Step-by-step explanation:

-6 means you go on the left and then you subtract -2 which means go backward 2 Soooo you got the right answer.

8 0
3 years ago
I need help i tried to do this but can't get it.
Ipatiy [6.2K]

Answer: x=5, y=-1

Hope this helps

3 0
3 years ago
Game wardens use experiments to help determine the number of fish in a lake. Suppose 80 fish are caught, tagged, and released ba
valina [46]
A is the correct answer. 

6 0
4 years ago
The sum of three consecutive even numbers is 66. What is the smallest of these numbers?
ahrayia [7]
Your answer would be 22 because it says <em>"sum"</em> which means <u>add.</u> Then it says "<em>of three consecutive <u>even</u> numbers</em>" which means you're going to be adding <u>three</u> of the <em>same <u>even</u> number </em>to get 66. 22 is an <u>even</u> number, so let's try it out: 22 + 22 + 22 = 66. (You can also divide 66 by 3.) 22 is the cOrrect answer.

Hope this helps,
♥<em>A.W.E.<u>S.W.A.N.</u></em>♥
8 0
3 years ago
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