4 years ago

There are 25 towns in a certain country, and every pair of them is connected by a train route. How many train routes are there?

Mathematics

2 answers:

nevsk [136]4 years ago

8 0

Answer:

300

Step-by-step explanation: 25 * 24/2 =300

FinnZ [79.3K]4 years ago

7 0

If there are no options to choose from I’d say 25 but if there are options please post them

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How to find the correct unit of measurement? I am struggling with this. What is the difference between ft³, ft and ft²? Example:

arlik [135]

if you want to determine the perimeter / length, use a normal measure - ft.
The area is $ft^{2}$
and the volume $ft^{3}$

4 0

4 years ago

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pogonyaev

I'd think it's Jesse because they specifically asked for sixth-grade students. Hope it helps.

8 0

3 years ago

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If you expression contains roots, during which step of PEMDAS do you solve them?

ipn [44]

Answer:

Roots are usually referred with exponents which is the E of PEMDAS

Step-by-step explanation:

So its the second step on your equation, if the equation has one.

P- Parenthesis

E- Exponents

M- Multiplication

D- Division

A- Addition

S- Subtraction

Hope this helps (:

6 0

3 years ago

Consider the diagram and proof by contradiction.

Ilia_Sergeevich [38]

Answer: converse of the isosceles triangle theorem

Step-by-step explanation:

6 0

2 years ago

Tristan is selling plastic and wooden picture frames. He sells 7 frames total. The number of plastic frames Tristan sells is 5 l

seropon [69]

Answer:

2x - 5 = 7

2(6) = 12

12 - 5 = 7

He sells 3 plastic

Step-by-step explanation:

4 plastic wooden frames

3 plastic frames

7 0

3 years ago