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erica [24]
3 years ago
13

On the scale model, the distance between the wheels on the left and the wheels on the right is 1 1/4 inches. The state of Wyormi

ng has old railroad tracks that are 4.5 feet apart. Can the modern train travel on those tracks? Explain your reasoning.
Mathematics
1 answer:
avanturin [10]3 years ago
8 0

Answer:

No, modern train cannot travel on old railroad.

Step-by-step explanation:

In rail transport, track gauge is the spacing of the rails on a railway track and is measured between the inner faces of the load-bearing rails.

Most of the modern train are based on broad gauge. The separation in broad gauge is about 5 ft and 6 inches and in the standard gauge the separation between the tracks is 4 ft and 8\frac{1}{2} inches. So for the modern train it is not possible to travel on the tracks whose separation is no more than 4.5 feet.

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The diameter of a circle measures 17 mm. What is the measure of its radius ?
likoan [24]

Answer:

the radius is 8.5 mm

8 0
3 years ago
How many degrees is 25/360 of a full turn?
Art [367]
A full turn is 360 degrees, so 25 desgrees
5 0
3 years ago
If AC = 3, BC = 5, and AB = 7, find AD:<br> 2 5/8<br> 4 1/5<br> 4 3/8<br> 11 2/3
Vesna [10]

Answer:

1.  2\frac{5}{8}  

Step-by-step explanation:

We can see that CD is angle bisector, So we will use angle bisector theorem which states that the angle bisector of an angle of a triangle divides the opposite side in two segments that are proportional to the other two sides of the triangle.

We can set up an equation as:  

\frac{AC}{AD}=\frac{BC}{BD}

Upon substituting our given values we will get,

\frac{3}{AD}=\frac{5}{(7-AD)}}

Cross multiplying our equation we will get,

5AD=3*(7-AD)

5AD=21-3AD

5AD+3AD=21

8AD=21

AD=\frac{21}{8}

AD=2\frac{5}{8}

Therefore, the length of AD is 2\frac{5}{8} units and 1st option is the correct choice.

6 0
3 years ago
Please help fast Find the volume of a right circular cone that has a height of 15-3 ft and a base with a
mars1129 [50]

Answer:

3095.6 ft³

Step-by-step explanation:

Volume cone = 1/3(πr²h)

                      = 1/3(π(13.9)²(15.3))

                      = 1/3(π(193.21)(15.3))

                      = 1/3(2956.113π)

                      = 985.371π ≈ 3095.6 ft³

-Chetan K

4 0
3 years ago
AC. DF, and GI are parallel. Use the figure to complete the proportion.<br> AD/DG = ?/EH
ivanzaharov [21]

Answer:

BE.

Step-by-step explanation:

If AD is to DG, then BE must be to EH, and CF must be to FI.

3 0
3 years ago
Read 2 more answers
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