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-BARSIC- [3]
3 years ago
5

What is the least common multiple of 26 and 39?

Mathematics
1 answer:
GuDViN [60]3 years ago
5 0

Answer:

78

Step-by-step explanation:

Find the prime factorizations of the two numbers:

26 = 2 * 13

39 = 3 * 13

The LCM is the product of common and not common factors with the higher exponent.

LCM = 2 * 3 * 13 = 78

Answer: 78

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Answer: 60 miles

Step-by-step explanation:

Given

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Speed of current is u=5\ mph

Suppose the speed of the ferry is v mph

Distance traveled in both the cases is same, but it took more time traveling to city A that is, ferry is moving upstream and downstream for returning time.

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Distance between the towns is 2\times (35-5)=60\ \text{miles}

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3 years ago
Which system of equations can be used to find the roots of the equation 4x^2=x^3+2x?
irina [24]
Next time, please share the answer choices.
Starting from scratch, it's possible to find the roots:

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Clearly, one root is 0.  We must now find the roots of (x^2 - 4x + 2):

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3 years ago
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LenKa [72]

#6 is 210

Step-by-step explanation:

Just rememder that the circles are 360 degrees

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