MATHEMATICS COLLEGE

There are 11 students in your class. In how many ways a group of 4 students will beselected to participate in a social campaign such that you will always be included in
the group to lead the event?

Answers

Answer 1
Answer:

Answer:

Step-by-step explanation:

If you are always included to lead, that leaves 10 students to choose from.

If all that is important is being selected, then there are 10C3 = 120 ways to choose them.

If each selection has a unique duty, then there are 10P3 = 720 ways to assign them their jobs.
Answer 2
Answer:

Answer: 10P3=720

Step-by-step explanation:

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Answers

Answer:

4

Step-by-step explanation:

What is the 7th term in the series? 15,35,55

Answers

5 is the answer just because counting the comas

Driving along, terry notices that the last four digits on his car's odometer are palindromic. a mile later, the last five digits are palindromic. after driving another mile, the middle four digits are palindromic. one more mile, and all six are palindromic. what was the odometer reading when terry first looked at it? form a linear system of equations that expresses the requirements of this puzzle.

Answers

Designate the initial digits, left to right, as {a, b, c, d, d, c}.

After adding one mile, the digits are {a, b, c, d, c, b}, so the relevant equation is
  10c +b = 10d +c +1

After adding another mile, the digits are {a, b, c, c, b, e}, so the relevant equation is
  100c +10b +e = 100d +10c +b +1

After another mile, the digits are {a, b, c, c, b, a}, so the relevant equation is
  a = e +1

In summary, we have 3 equations in 5 unknowns.
  b + 9c -10d = 1
  9b +90c -100d +e = 1
  a - e = 1
along with the constraints {a, b, c, d, e} ∈ {0, ..., 9}


_____
These have the solution {a, b, c, d, e} = {1, 9, 8, 8, 0}, so the odometer readings were
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Go subscribed to flamingo on you tube btw this is a joke pls dont take down this answer :( also first to answer gets brainiest

Answers

Answer:

i got u homie

Step-by-step explanation:

Answer:

Sure.

Step-by-step explanation:

Plz give me brainliest

Circletowns limits forms perfect circular shape it has a population of 20,000 and a population density of 480 people per square kilometers

Answers

Answer:

Check the explanation

Step-by-step explanation:

Kindly check the attached image below to see the step by step explanation to the question above.

5.
X
1 1 2 2 3 3 4
FX) -1 3 4 0 5 1 6
Label:
Explanation:

Answers

Answer:

Not a function

Step-by-step explanation:

Each input can have only have one output.

x(1) can't equal both -1 and 3 at the same time.

x(2) can't equal both 4 and 0 at the same time.

x(3) can't equal both 5 and 1 at the same time.

In other words there can't be multiple X's equalling different things.
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