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MatroZZZ [7]
3 years ago
13

Find the 10th term of the sequence defined by the rule, f (n) = 4n - 3.

Mathematics
1 answer:
DiKsa [7]3 years ago
6 0

Answer:

<h3>                f(10) = 37</h3>

Step-by-step explanation:

f(n) = 4n - 3

f(10) = 4×10 - 3 = 40 - 3 = 37

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Davon had 3/4 of a bag of popcorn. His friends are half of his popcorn. What fraction of the whole bag of popcorn did Davon's fr
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What two numbers add to 15 and multiply to negative 312?
natima [27]
X + y = 15
xy = -312

     x + y = 15
x - x + y = -x + 15
           y = -x + 15

                                           xy = -312
                               x(-x + 15) = -312
                           x(-x) + x(15) = -312
                                 -x² + 15x = -312
                       -x² + 15x + 312 = 0
           -1(x²) - 1(-15x) - 1(312) = 0
                    -1(x² - 15x + 312) = 0
                                  -1              -1
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                                                  2(1)
                          x = 15 ± √(225 - 1248)
                                               2
                          x = 15 ± √(-1023)
                                         2
                          x = 15 ± 31.984i
                                         2
                          x = 7.5 ± 15.992
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              x + y = 15
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   - 23.492        - 23.492
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The two numbers that add up to 15 and mutliply to -312 are -8.492 and 23.492.
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