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Zigmanuir [339]
3 years ago
5

Is this example an

Mathematics
1 answer:
ivanzaharov [21]3 years ago
3 0
Equation C. :) lalalalalala
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Of the 8 students in the chess club, three will represent the club at an upcoming competition. How many different 3-person teams
xz_007 [3.2K]
I think that this is a combination problem. From the given, the 8 students are taken 3 at a time. This can be solved through using the formula of combination which is C(n,r) = n!/(n-r)!r!. In this case, n is 8 while r is 3. Hence, upon substitution of the values, we have

C(8,3) = 8!/(8-3)!3!
C(8,3) = 56

There are 56 3-person teams that can be formed from the 8 students. 
6 0
3 years ago
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A function is shown below
Scrat [10]

Answer:

  • 13

Step-by-step explanation:

<u>Put input value instead of the x into equation and calculate the output:</u>

  • y = -5x - 7

<u>x = -4, then find the value of y:</u>

  • y = -5(-4) - 7 = 20 - 7 = 13

The output is 13 when the input is -4

6 0
2 years ago
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If x/3 = -15 then x = -45
vitfil [10]
Yes, but what is the question
6 0
3 years ago
Which expression is equivalent to 4 * 4 * 4 * 5 * 5?
jekas [21]

Answer:

the closests if 43 multiply by 25

Step-by-step explanation:

3 0
3 years ago
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8(y+4)-2(y-1)=70-3y help pls
jeka57 [31]

Answer:

y = 4

Step-by-step explanation:

8(y+4)-2(y-1)=70-3y

8y+32-2y+2=70-3y

Grouping of like terms

8y-2y+3y=70-32-2

9y=36

Divide both sides by 9

9y/9 = 36/9

9 cancels itself and 9.

y=36/9

y=4

Therefore, y = 4.

Hope it helps.

If so, mark as brainliest.

8 0
3 years ago
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