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antiseptic1488 [7]
2 years ago
14

4. Your class is going to elect a President and Vice President. In how many ways can 2 people be elected if your class has 30 st

udents?
​
Mathematics
2 answers:
rodikova [14]2 years ago
8 0

Answer:

60 combinations

Step-by-step explanation:

lina2011 [118]2 years ago
5 0
Ok so all you have to do is
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At a​ school, 147 147 students play at least one sport. This is 35 35​% of the students at the school. How many students are at
dsp73

Answer:

420

Step-by-step explanation:

Assuming this is the problem:

At a​ school, 147 students play at least one sport. This is 35​% of the students at the school. How many students are at the​ school?


147/35 = x/100

35x=147*100

35x=14,700

x=420

3 0
3 years ago
AD = 3x + 4 and CD = x + 6, what is the value of x?
lesantik [10]
Your answer would be x = 1.

The rules for a kite shape is that two pairs are of equal length, which means we can say that AD = CD and thus form an equation:

3x + 4 = x + 6
- x
2x + 4 = 6
- 4
2x = 2
÷ 2
x = 1

I hope this helps!
5 0
3 years ago
Given the following sequence, find the 25th term: 0, 1, 2, 3, 4, . . .
Burka [1]
The answer for this question would be 24 because 0 is included.
8 0
3 years ago
Find the difference using fraction bars or a paper and pencil. Write your answer in simplest form.
nasty-shy [4]
First, find the lowest common denominator. That is 12. You only have to change 3/4 into 12ths.

3/4 = 9/12

11/12 – 9/12 = 2/12 = 1/6
5 0
3 years ago
Read 2 more answers
HDTV screens usually have a width-to-heigh ratio of 16:9. Which screen dimensions are in the same proportion?
Lana71 [14]

Answer:

4: 3

Step-by-step explanation:

In this case, we have that there is a relationship between width and height, which is 16: 9, which means that any screen that has the same ratio would be an identical screen.

How would we do this? it must either be raised to a power or rationalized on both sides of the ratio.

If we raise to a power, it would give very large dimensions for an HDTV, therefore, it is best to remove the square root on both sides, since it has more common values for a TV.

\sqrt{16} :\sqrt{9}

4: 3

Therefore, a 4: 3 screen is a good choice for an HDTV with the same ratio.

5 0
3 years ago
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