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Vadim26 [7]
3 years ago
11

if a train takes 40 minutes to travel from town a to town b what is its speed in kilometers per minute

Mathematics
1 answer:
lana66690 [7]3 years ago
5 0
70? unless the km on the street says 50 or 60 n there's traffic
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An equation is shown below:
Dahasolnce [82]
Part A: first multiply 2 by x and -3, then combine the like terms, after that add 6 from both sides, then subtract 6x from both side, the answer is -5.
 4x + 2(x-3) = 4x + 2x - 11
          4x +2x -6 = 4x + 2x - 11
           6x -6 = 6x - 11
           6x = 6x -11 +6
         6x = 6x -5
          6x-6x= -5 
         0 = -5 
 part B) add the like terms
7 0
2 years ago
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kirill115 [55]
Simple
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8 0
3 years ago
What is the value of this expression?<br><br> (−4)4
Marina86 [1]

Answer:

-16

Step-by-step explanation:

Anything written in the form of a(b) or (b)a means a × b:

(-4)4 means -4 × 4 which is -16 (a positive and a negative multiplied together make a negative).

Hope this helps!

8 0
2 years ago
The number 1953125 is equal to 5^9. Explain how the information above tells you that it is not a square number. I've tried the a
ddd [48]

Answer:

5^{9} can not be expressed as a square of any other number.

Step-by-step explanation:

The number 1953125 is equal to 5^{9}.

Now, the above statement gives an idea that 1953125 i.e. 5^{9} is not a square number as 9 is not a multiple of 2.

So, we can not express 5^{9} as a square of any other number.

We can only express 5^{9} as (5^{4} )^{2} \times 5.

( Answer )

5 0
3 years ago
-1/2 divided by _____= -7/3 please fill in the blank
Ierofanga [76]
Multiply -1/2 by -7/3 to get the answer

8 0
3 years ago
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