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allsm [11]
3 years ago
11

A class has 25 students. In how many seats can four students be chosen as class leaders?

Mathematics
2 answers:
Stels [109]3 years ago
8 0
Is there any context , i think 4 is the answer?
Paul [167]3 years ago
5 0

Answer:

3 groups will have 5 members with a class leader, but only one will have 6 members and a class leader

Step-by-step explanation:

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Hello can you guys please help me with this thank you soooo muchhh<3
Free_Kalibri [48]

Answer:

i like ya cut g

Step-by-step explanation:

1.b

2.d

3.a

4.c

5.a

6.d

7.b

8.c

4 0
2 years ago
Factor 4x^2 + 10x<br><br> Please help
wlad13 [49]

2x(2x + 5)

Hope this is the answer you're looking for (:

6 0
3 years ago
Solve for x<br> 9 - x &lt; 17<br><br> btw the &lt; has the line underneath it!
Radda [10]

Answer:

Step-by-step explanation:

9 - x ≤17

At some point you are going to have to turn the equation around. This would not normally be your first step, but this time it is better to start with it.

We won't do it directly. The best way to do it is to add x to both sides before you do anything else. This is not the usual way to solve these equations, but it's a good time to learn.

Inequality Rule: you must always solve for x. If it is -x then you are going to have to make an adjustment to get the x to be positive.

9 - x ≤ 17                        Add x to both sides

9 - x+x ≤ 17 + x              Combine

9 ≤ 17 + x                      Subtract 17 from both sides.

9 - 17 ≤ 17 - 17 + x

8 ≤ x

Notice that you have effectively changed the ≤ sign around, not because you have, but because the x reads differently now. It started out 9 - x ≤ 17 and when you finish solving it you get 8 is less than or equal to x. Entirely different.

7 0
2 years ago
This is right or wrong, please anyone
BabaBlast [244]
Wrong,

You added when you were supposed to divide.

24/30 = 0.8


7 0
2 years ago
Read 2 more answers
I need help on this I am just going to use the picture
Radda [10]

Answer:

D

Step-by-step explanation:

let y = f(x), that is

y = \frac{2x-3}{5}

Rearrange making x the subject

Multiply both sides by 5

5y = 2x - 3 ( add 3 to both sides )

5y + 3 = 2x (divide both sides by 2 ) , then

x = \frac{5y+3}{2}

Change y back into term of x, hence

f^{-1}(x) = \frac{5x+3}{2} → D

4 0
2 years ago
Read 2 more answers
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