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leonid [27]
2 years ago
5

Which expression is a difference of squares with a factor of 2x+5

Mathematics
1 answer:
Masteriza [31]2 years ago
4 0

Answer:

4x^2 – 25

Step-by-step explanation:

i'vegot your back :))

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Two boys on bicycles, 45 miles apart, began racing directly toward each other. The instant they started, a fly on the handle bar
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Complete question is: Each bicycle have speed 10 mi/h and fly flies at 21 mi/h. How far the fly flies?

Answer:

47.25 mi

Step-by-step explanation:

The relative velocity of the bicycles is 10+10 = 20 mi/h

Time in which the two bicycles meet:

t=\frac{45}{20} = 2.25 h

Distance covered by fly:

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