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Sergeu [11.5K]
2 years ago
5

15 POINTS+BRAINLIEST (Hurry now) A train goes past you in 10 seconds and goes past a 100 meter long bridge in 30 seconds. What i

s the length (in meters) and the speed (inm/s) of the train?
Mathematics
1 answer:
Dmitry_Shevchenko [17]2 years ago
4 0

Answer:

speed=3.33m/s

Step-by-step explanation:

speed= distance÷time

3.33 m/s

length = ?

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Answer:

d. 3√6 = 7.348

Step-by-step explanation:

1. simplify each expression

a. √150 / 2 = 6.124

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c. 2π = 6.283

d. 3√6 = 7.348

the largest number will be the closest to 8. therefore, point W is expression D.

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3 years ago
The lenghts of two in an isosceles triangle are 8 cm and 4 cm then the perimeter of the triangle is ............cm
anastassius [24]
<h2>20cm</h2><h2>-------------------------------</h2>

<u>Step-by-step explanation:</u>

sides are 4cm, 8cm, 8cm ----( because isosceles triangle have 2 sides equal )

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2 years ago
6x + 13 = 12x - 20 solutions
galina1969 [7]

Answer:

6x + 13 = 12x - 20

Step-by-step explanation:

6x + 13 = 12x - 20

5 0
2 years ago
If the measure of an angle is 27°,find the measure of its supplement.
finlep [7]

Answer:

153°

Step-by-step explanation:

1. If 27° is the supplement of another angle (or vice versa), that means both angles add up to 180.

2. To find the supplement of 27°, we simply subtract that number from 180.

  • 180 - 27
  • 153

Therefore, the supplement of 27° is 153°.

3 0
2 years ago
Read 2 more answers
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47 minus 55 is -8 …..
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