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In-s [12.5K]
3 years ago
14

In a class of 18 students. Five of the nine are men. How many women are in the class?

Mathematics
1 answer:
r-ruslan [8.4K]3 years ago
8 0

Answer:

There are 8 women.

Step-by-step explanation:

Five of nine=5/9.

9x2=18, so 5x2=10. There are 10 men in the class.

18-10=8.

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3b - c +5 if c= - 4, b=2.
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Answer:

15

Step-by-step explanation:

To find the answer, plug the values of each variable into the equation and simplify. It may be easiest to plug one variable in at a time, simplify, then plug the next variable in. Remember, if the equation is asking you to subtract a negative number, the negatives cancel and you want to add the numbers.

b = 2          c = -4

3b - c + 5                                      <----- Original expression

3(2) - c + 5                                    <----- Plug 2 in for "b"

6 - c + 5                                        <----- Multiply 3 and 2

11 - c                                              <----- Add 6 and 5

11 - (-4)                                           <----- Plug -4 in for "c"

15                                                  <----- Add 11 and 4

3 0
2 years ago
The width of a rectangle is shown below: A coordinate plane with a point A at negative 3, 3 and C at negative 3, negative 2. If
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8 0
2 years ago
I need help i dont understand this​
mel-nik [20]
140 tickets sold at the door

Step by Step Explanation:

x = tickets sold in advance
y = tickets sold at the door

We use the formula ax+by=c and a+b=c

x + y = 514
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y = 514 - x
17x + 20(514 - x)
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x = 374

This is for tickets sold in advance so we need to find y

374 + y = 514
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140 tickets were sold at the door

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