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Yuki888 [10]
2 years ago
5

PLEASE HELP 50 POINTS!!

Mathematics
2 answers:
viva [34]2 years ago
8 0
Child what-:::::::::::::::::
sergij07 [2.7K]2 years ago
3 0

Answer:

This is not even 50 points?

Step-by-step explanation:

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if the wheel of the engine of a train is 30/7m in circumference and makes 7 revolutions in 4 secs then the speed of the train is
Nastasia [14]
I dont know ans dont care but  iill try its 2 and lima bean
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3 years ago
In a un ceremony, 25 diplomats were introduced to each other. suppose that the diplomats shook hands with each other exactly onc
saw5 [17]
The question is asking 'how many different ways can we pair two diplomats to shake hand'?

The combination formula is given by: \frac{n!}{(n-r)!r!}

We have n = 25 and r = 2

Substituting into the formula we have

\frac{25!}{(25-2)!2!} =300 handshakes
7 0
3 years ago
Tim wants to ride his bike for 25 miles or less on some mountain bike trails.
bekas [8.4K]

Answer:

Eagle Ridge 2 Times

Black Bear 1 time and Doe Run 2 Times

Eagle Ridge 1 time and Doe Run 1 time

B,D,E

Step-by-step explanation:

Took a test 100%

5 0
2 years ago
The coordinate (1,3) is a solution to 2x-3y=-7<br><br> True <br><br> False
Natalija [7]
True because just plug in (1,3) for x and y and solve it out.
Plugging it in gives you 2(1)-3(3)=-7 which simplifies to 2-9=-7, which is true.
5 0
3 years ago
Let f(x) = -4x + 7
Tema [17]

g(x) = 2x-6

f(x) = -4x +7

(g•f)(x) = g(f(x))

= 2(f(x)) - 6

= 2 ( -4x+7) -6

= -8x + 14 -6

= -8x +8

now

(g•f)(1) = -8(1) + 8= -8+8

= 0

so option a is answer

4 0
3 years ago
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