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Ugo [173]
3 years ago
14

The undefined terms line and place are needed to precisely define which mathematical term

Mathematics
1 answer:
PilotLPTM [1.2K]3 years ago
4 0
The definition of parallel lines requires the undefined terms line and plane, while the definition of perpendicular lines requires the undefined terms of line and point.
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two passenger train traveling in opposite directions meet and pass each other. Each train is 1/18 miles long and is traveling at
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9514 1404 393

Answer:

  5 seconds

Step-by-step explanation:

Suppose the front parts of the trains meet at point A. Since both are the same length and traveling the same speed, each will pass point A in time ...

  time = distance/speed

  time = (1/18 mi)/(40 mi/h) = (1/720 h) × (3600 s)/(1 h) = 5 s

That is, the rear part of each train will be at point A 5 seconds after the front part.

The rear parts will pass each other 5 seconds after the front parts meet.

6 0
3 years ago
HiCan you please state the Pythagorean TheoremVerbally and algebraically
Natalija [7]
Pythagorean Theorem<h2>Verbally:</h2>

Let's say a and b are the legs, and c is the hypotenuse. Then, algebraically, the theorem is,

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7 0
1 year ago
A company has 3.12 × 108 dollars to spend on salaries for its employees. The company has 6.5 × 103 employees. Each employee earn
Lilit [14]

Answer:

its b

Step-by-step explanation:

4 0
3 years ago
Rafael reads 3/4 chapters in 4/5 hours
Inessa [10]
I do not know the full question being asked, but if he reads 3/4 chapters in 4/5 hours, he would read 6/4 chapters, or 1 1/2 chapters in 1 3/5 hours.

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4 0
3 years ago
X^2 +4X+3<br> Complete the square using the method
gayaneshka [121]

Answer:

(x+3)(x+1)

Step-by-step explanation:

Think of using FOIL

First Outer Inner Last

What can you multiply to get to 3 and add up to 4

7 0
2 years ago
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