Is 105/2 equivalent to 210/4

Answers

Answer 1
Answer: Yes.

(210)/(4)=(105\cdot\not2)/(2\cdot \not2)=(105)/(2)

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A local flower shop is selling $1 raffle tickets and is donating all proceeds to the children's hospital. They sold 5,500 tickets and plan to give away 20 flower arrangements valued at $70 and 20 gift certificates valued at $25. Find the expected value of purchasing a raffle ticket.Round to the nearest cent. Do not round until the final calculation.
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If f(1) = 7 and f(n) = f(n − 1) – 4 then find the value of f(6).

Answers

Answer:

- 13

Step-by-step explanation:

f(1) = 7

f(n) = f(n − 1) – 4

f(₂) = f(1) – 4 = 7 - 4 = 3

f(₃) = f(₂) – 4 = 3 - 4 = -1

f(₄) = f(3) – 4 = (-1) - 4 = - 5

f(₅) = f(₄) – 4 = (- 5) - 4 = - 9

f(₆) = f(₅) – 4 = (- 9) - 4 =  - 13

Final answer:

The value of f(6) is -13, calculated based on the provided recursive formula where each term is four less than the previous.

Explanation:

We are given that f(1) = 7, and the recursive equation for n is f(n) = f(n − 1) – 4. Since the equation shows that each next term is four less than the previous one, we can calculate the following iterations:

  • f(2) = f(2-1) - 4 = f(1) - 4 = 7 - 4 = 3
  • f(3) = f(3-1) - 4 = f(2) - 4 = 3 - 4 = -1
  • f(4) = f(4-1) - 4 = f(3) - 4 = -1 - 4 = -5
  • f(5) = f(5-1) - 4 = f(4) - 4 = -5 - 4 = -9
  • f(6) = f(6-1) - 4 = f(5) - 4 = -9 - 4 = -13

So, the value of f(6) is -13.

Learn more about Recursive Formulas here:

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Are the ratios 2.5:3.5 and 5.7 proportional ?

Answers

Yes, they are proportional, as when you double 2.5, you get 5, and when you double 3.5, you get 7
Hope this helps :) 

1+4=5 2+5=12 3+6=21 8+11=?

Answers

40. This is because:
1+4= 5. 
2+5= 7. Now you must take the 5 from the previous answer and add it to your new answer, which then gives you 12.
Now 3+6=9. Take 12 and add it to 9, which will give you 21. Follow the pattern to get the next answer, which is 40.

How do you factor 8x+56?

Answers

If you mean how do you get x by it's you divide both sides by 8, to cancel out the multiplication between x and 8, meaning that it would end up being x=7, sorry if that didn't answer your question correctly. 
Divide 56 by eight (=7)
Divide 8x by eight (=X)
So you have X + 7
So I think it would be 1(x+7)

(I could be wrong)

Diego has 4 times as many autographed baseballs as Melanie.Diego has 24 autographed baseballs. How many autographed baseballs does Melanie have

Answers

Melanie has six baseballs
Melanie has six baseballs

Find two possible factor for the estimated product of 2800

Answers

28×100 and 70×40!!!!!!