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kobusy [5.1K]
3 years ago
13

I need help with this math homework

Mathematics
1 answer:
OleMash [197]3 years ago
3 0

Answer:

x=17/6, y =-16/3

Step-by-step explanation:

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Complete the recursive formula of the arithmetic sequence -3, -1, 1, 3,...
Strike441 [17]

Given:

The given arithmetic sequence is:

-3,-1,1,3,...

To find:

The recursive formula of the given arithmetic sequence.

Solution:

We have,

-3,-1,1,3,...

Here, the first term is -3. So, b(1)=-3.

The common difference is:

d=-1-(-3)

d=-1+3

d=2

The recursive formula of an arithmetic sequence is:

b(n)=b(n-1)+d

Where, d is the common difference.

Putting d=2, we get

b(n)=b(n-1)+2

Therefore, the recursive formula of the given arithmetic sequence is b(n)=b(n-1)+2, where b(1)=-3.

8 0
2 years ago
Charles can type 675 words in 9 minutes. How many words can Charles type in 13 minutes?
tangare [24]
Charles can type 975 in 13 mins
5 0
3 years ago
Read 2 more answers
PLEASE HELP ASAP
maria [59]

Answer:

First option:  3x^2-5x=-8

Second option: 2x^2=6x-5

Fourth option: -x^2-10x=34

Step-by-step explanation:

Rewrite each equation in the form ax^2+bx+c=0 and then use the Discriminant formula for each equation. This is:

D=b^2-4ac

1) For 3x^2-5x=-8:

 3x^2-5x+8=0

Then:

D=(-5)^2-4(3)(8)=-71

Since D this equation has no real solutions, but has two complex solutions.

2) For 2x^2=6x-5:

 2x^2-6x+5=0

Then:

D=(-6)^2-4(2)(5)=-4

Since D this equation has no real solutions, but has two complex solutions.

3) For 12x=9x^2+4:

 9x^2-12x+4=0

Then:

D=(-12)^2-4(9)(4)=0

Since D=0 this equation has one real solution.

4) For -x^2-10x=34:

 -x^2-10x-34=0

Then:

D=(-10)^2-4(-1)(-34)=-36

Since D, this equation has no real solutions, but has two complex solutions.

3 0
3 years ago
Give coordinates of the point where x = 3. Explain what the point represents in this situation:
Ronch [10]

Answer:

if x=3 then y is o

(3,0) is the coordinate points if y is 0

4 0
2 years ago
Explain how you can tell that the equation, description, graph, and table all represent the same situation.
andrew-mc [135]

Answer:think of many situations you can come up with or problems you can solve which will end up with the same answer if u use different methods

Step-by-step explanation:

8 0
3 years ago
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