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Alexxandr [17]
3 years ago
9

Explain when you know you need to rename a mixed number to subtract.

Mathematics
1 answer:
Levart [38]3 years ago
4 0
You know you need to rename a mixed number to subtract when the numbers involved have different denominators. In such a case. The lowest common multiple of the denominators will be calculated subsequent used to adequately rename the mixed numbers before subtraction can be done
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Help, please! Struggling!
MArishka [77]

Answer:

65

Step-by-step explanation:

(4-7i)(4+7i) =16 + 28i-28i -49i^2 ➡16 - 49i^2

16 + 49 = 65

the fault here is i^2= -1 and -1 multiplied by -49 is +49 not -49

6 0
2 years ago
What is the prime factorization of 48? 4 × 12 2 4 × 3 2 3 × 3 2. 2 3 × 6
FinnZ [79.3K]

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Answer:

  2^4 × 3

Step-by-step explanation:

48 = 16×3 = 2×2×2×2×3

48 = 2^4 × 3

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2 years ago
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3 years ago
How many feet are in 13 miles, 176 yards? Enter only the number. Do not include units.
hammer [34]

Answer:

69,168

Step-by-step explanation:

1 mile = 5280 ft

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