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Mama L [17]
3 years ago
12

7/8x-5/8x fractional coefficients

Mathematics
2 answers:
olganol [36]3 years ago
8 0

Answer:

(2/8)x = (1/4)x

Step-by-step explanation:

Karolina [17]3 years ago
4 0

Answer:

<em>x</em>/4

Step-by-step explanation:

7/8x-5/8x fractional coefficients = x/4

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Expansion Numerically Impractical. Show that the computation of an nth-order determinant by expansion involves multiplications,
posledela

Answer:

  • number of multiplies is n!
  • n=10, 3.6 ms
  • n=15, 21.8 min
  • n=20, 77.09 yr
  • n=25, 4.9×10^8 yr

Step-by-step explanation:

Expansion of a 2×2 determinant requires 2 multiplications. Expansion of an n×n determinant multiplies each of the n elements of a row or column by its (n-1)×(n-1) cofactor determinant. Then the number of multiplies is ...

  mpy[n] = n·mp[n-1]

  mpy[2] = 2

So, ...

  mpy[n] = n! . . . n ≥ 2

__

If each multiplication takes 1 nanosecond, then a 10×10 matrix requires ...

  10! × 10^-9 s ≈ 0.0036288 s ≈ 0.004 s . . . for 10×10

Then the larger matrices take ...

  n=15, 15! × 10^-9 ≈ 1307.67 s ≈ 21.8 min

  n=20, 20! × 10^-9 ≈ 2.4329×10^9 s ≈ 77.09 years

  n=25, 25! × 10^-9 ≈ 1.55112×10^16 s ≈ 4.915×10^8 years

_____

For the shorter time periods (less than 100 years), we use 365.25 days per year.

For the longer time periods (more than 400 years), we use 365.2425 days per year.

8 0
3 years ago
Help me plz and show work &lt;3
icang [17]

Answer:

y = (5-2x)/7 = 5/7 - 2x/7. option C

Step-by-step explanation:

here's your solution

=> 7y + 2x = 5

=> 7y = 5 - 2x

=> y = (5-2x)/7

\huge\mathfrak\red{hope \: it \: helps...}

4 0
2 years ago
The area of a square garden is shown. How long is each side of the garden? A=121ft^2
polet [3.4K]
The answer is 30.25ft
8 0
2 years ago
The expression 7! is equal to which of the following
Sladkaya [172]
Its basically 7 see there is nothing but the number 7 which means as to an expression its 7.
8 0
3 years ago
Read 2 more answers
What is the quotient of 8,592 ÷ 24
brilliants [131]

Answer:

358

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
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