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frozen [14]
3 years ago
15

What is the value of the expression "eight more than three times the difference of four and a number" when n =

Mathematics
2 answers:
Genrish500 [490]3 years ago
6 0

Answer:

11

Step-by-step explanation:

3 (4 - n) + 8

When n = 3:

3 (4 - 3) + 8

3 (1) + 8

3 + 8

11

LenKa [72]3 years ago
3 0

Answer:

11

Step-by-step explanation:

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PLEASEEEEEE HELP ME WITH THIS ONE ASAP PLEASE AND THANK YOU
Artemon [7]

Answer:

x=9 and z=83

Step-by-step explanation:

First you subtract 97 from 180 because that gives you z because 180 is a flat angle and 83 plus 97 gives 180. For x the opposite angle is also 97 so you set the equation 5x + 52 = 180 and you solve for x to get the x value. Hope this helps :)

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3 years ago
It’s a new semester! Students are grouped into three clubs, which each has 10, 4 and 5 students. In how many ways can teacher se
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Here we must see in how many different ways we can select 2 students from the 3 clubs, such that the students <em>do not belong to the same club. </em>We will see that there are 110 different ways in which 2 students from different clubs can be selected.

So there are 3 clubs:

  • Club A, with 10 students.
  • Club B, with 4 students.
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The possible combinations of 2 students from different clubs are

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The number of combinations for each of these is given by the product between the number of students in the club, so we get:

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This means that there are 110 different ways in which 2 students from different clubs can be selected.

If you want to learn more about combination and selections, you can read:

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6 0
2 years ago
Consider the equation 5 +x=n.
Marat540 [252]

Answer:

It's C.

Step-by-step explanation:

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8 0
3 years ago
Find the equation for 4x/5=1/3(2x-15)
tia_tia [17]
4x / 5 = 1 / 3 ( 2x - 15 )
4x / 5= ( 2x - 15 ) / 3
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12x - 10x = - 75
2x = - 75
x = - 75 / 2
x = - 37.5
7 0
3 years ago
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