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Alinara [238K]
3 years ago
12

What is the value of the expression? (5/2)2+3/4^3

Mathematics
2 answers:
wel3 years ago
7 0
<span><span>12</span> + <span>15</span> + <span>45</span> + 1 <span>23</span> = <span>196</span> = 3<span>16</span> ≅ 3.166667</span>
irakobra [83]3 years ago
5 0
Assuming you put this correctly and it's 3/4^3 not 3/(4^3); The answer would be 2.5*2+3/4^3 = 5 + 3/4^3 = 5.42. However, if it's the latter your answer would instead be 5.05.
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Answer: Both trains would meet at 1 pm

Step-by-step explanation:

Let t represent the time at which both trains will pass each other.

The distance between the cities is 360 miles. This means that by the time both trains meet, the total distance covered would be 360 miles.

Distance = speed × time

The freight train is travelling at 50 mph. Distance covered by the freight train in t hours is 50t.

The passenger train is travelling at 70 mph. Distance covered by the passenger train in t hours is 70t.

Since the total distance covered is 360 miles, it means that

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8 0
4 years ago
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maks197457 [2]

Answer:

13 1/8

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3 years ago
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lord [1]

Answer:

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3 0
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