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gladu [14]
3 years ago
13

In a class of 7 there are 2 students who forgot their lunch. If the teacher chooses 2 students what is the probability that both

of them forgot their lunch
Mathematics
1 answer:
Reika [66]3 years ago
4 0
It is about a 28% chance.
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Dana has n quarters. Ivan has 2 fewer than 3 times the number of quarters Dana has. The expression n + 3 n−2 gives the number of
Nesterboy [21]
You can "collect terms" and write it as
  4n -2
3 0
3 years ago
ASAP please I need help
Anna007 [38]
In this problem, you are looking at a pair of similar trapezoids. So we must be looking for a ratio between a side in the smaller trapezoid and the corresponding side in the bigger trapezoid. We are given the lengths of AB and EF, which we can use to find this ratio.
But before we do anything we must convert units so that all units are the same. Let's convert the 60 feet into inches. 60 feet is 720 inches.
Next, set up the ratio I mentioned earlier. If we set up the ratio so that it is smaller:larger, we would get 4:720, which simplifies to 1:180. Basically what this ratio says is that every 1 inch in the smaller trapezoid corresponds to 180 inches in the bigger trapezoid. Now we can use this ratio to find the lengths of the sides in the bigger trapezoid. Just multiply all the lengths of the smaller trapezoid by 180 to get the lengths for the bigger trapezoid. Finally, when we have all our side lengths, divide them all by 12 (because 12 inches in 1 foot) to get the measurements in feet.

From here, I'll let you find the total length yourself.
6 0
3 years ago
First drop down menu: 8.5, 40, 4, 7.5, 0
sashaice [31]

1st: 0.5 x 8 = 4

2nd: 2 x 8 = 16

3rd: 0.5 x 2 = 1

4th: 2 x 2 = 4

5 0
3 years ago
Which line is a linear model for the data?
olga2289 [7]

Answer:

Your selected answer is correct.

Step-by-step explanation:

As you can see, the line and the points given follow the same vague path, while the others are below it for the most part, or going the wrong direction.

8 0
2 years ago
Help me pls, I tried to do it and got the incorrect Anwser
dedylja [7]
It would be option 4) 2 because the line is perpendicular hope this helps!!
6 0
2 years ago
Read 2 more answers
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