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masha68 [24]
3 years ago
5

There are 10 fishes 2 drown 1 runs away and 5 died how many fishes are left?

Mathematics
2 answers:
Bond [772]3 years ago
7 0
There are 11 because fish can't run
dezoksy [38]3 years ago
3 0
There are still 10 fish but only 5 are alive because fish don't drown
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4 0
3 years ago
HELP ME PLEASEE
Nina [5.8K]

Answers:

x = -8/5 or x = 8/5

Sum of the first ten terms where all terms are positive = 4092

========================================================

Explanation:

r = common ratio

  • first term = 4
  • second term = (first term)*(common ratio) = 4r
  • third term = (second term)*(common ratio) = (4r)*r = 4r^2

The first three terms are: 4, 4r, 4r^2

We're given that the sequence is: 4, 5x, 16

Therefore, we have these two equations

  • 5x = 4r
  • 4r^2 = 16

Solve the second equation for r and you should find that r = -2 or r = 2 are the only possible solutions. If r = -2, then 5x = 4r solves to x = -8/5. If r = 2, then 5x = 4r solves to x = 8/5.

-----------------

To find the sum of the first n terms, we use this geometric series formula

Sn = a*(1 - r^n)/(1 - r)

We have

  • a = 4 = first term
  • r = 2, since we want all the terms to be positive
  • n = 10 = number of terms to sum up

So,

Sn = a*(1 - r^n)/(1 - r)

S10 = 4*(1 - 2^10)/(1 - 2)

S10 = 4*(1 - 1024)/(-1)

S10 = 4*(-1023)/(-1)

S10 = 4092

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2 years ago
If a leopard can run 500 years in 1/2min how many yards could they run in 1 hour​
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Michael has a new job and earns a salary of $27,000. Jackie has a new job and earns a salary
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3 years ago
4(4x+1)= 3x-4(6-x) + 8
Schach [20]

Answer:

x=-20/9

Step-by-step explanation:

4(4x+1)=3x-4(6-x) +8

16x+4=3x-24+4x+8

16x-3x-4x=8-4-24

9x=-20

x=-20/9

7 0
3 years ago
Read 2 more answers
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