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Lemur [1.5K]
3 years ago
8

In June, Jim ran a mile in 7 minutes and 45 seconds. After training the entire summer he ran a mile in 5 minutes and 51 seconds

in September. Find the percent of change from June to September of Jim's mile time. (Be sure to change the minutes to seconds.)
Mathematics
1 answer:
gregori [183]3 years ago
8 0

Step-by-step explanation:

abscskksjsjjskskwjwjwjsjsjsjsj

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438 people signed up for a city soccer league. The league places 15 people on each team. How many teams are there?
valentinak56 [21]
438÷15= 22R8


15×10=150
15×10=150
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What is the sum of the first 6 terms of the series <br> -1+4-16+...
Romashka [77]

Answer:

819

Step-by-step explanation:

Givens

  • a = -1
  • r = - 4
  • n = 6

Formula

Sum = a(1 - r^n) / ( 1 - r)

Sum = -1(1 - (-4)^6 / (1 - -4)

Sum = -1 (1 - 4096) / 5

Sum = -1 (- 4095 ) / 5

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Serga [27]

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Step-by-step explanation:

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2 years ago
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hjlf

Answer:

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7 0
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Find all the zeroes of the polynomial function f(x)=x^3-5x^2+6x-30 using synthetic division.
WITCHER [35]
Write the coeeficientes of the polynomial in order:

  | 1   - 5   6   - 30
  |
  |
  |
------------------------

After some trials you probe with 5

   | 1   - 5       6     - 30
   |
   |
5 |        5      0       30
-----------------------------
     1     0      6        0 <---- residue

Given that the residue is 0, 5 is a root.

The quotient is x^2 + 6 = 0, which does not have a real root.

Therefore, 5 is the only root. You can prove it by solving the polynomial x^2 + 6 = 0.
3 0
3 years ago
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