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jok3333 [9.3K]
3 years ago
15

Thank you for helping

Mathematics
2 answers:
Radda [10]3 years ago
8 0

Answer:

12 students

Step-by-step explanation:

Ok, so we know that when he asked 5 friends to come 3 of them came.

So let's put that into a probability:

3/5 or .60 if you prefer.

Now, all you have to do is multiply .60 by the possible 20 students:

This gives us 12 students.

Hope this helps :)

omeli [17]3 years ago
6 0

Answer:

12

Step-by-step explanation:

the original ratio was 3/5 , so apply that to 20 and 3/5 of 20 is 12

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Semmy [17]
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7 0
3 years ago
What value correctly fills in the blank so that the expressions are equivalent?
Step2247 [10]

Answer:

8

Step-by-step explanation:

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8 0
3 years ago
Read 2 more answers
Solve pattern 66 73 13 21 52 _ 10 20
8090 [49]
The answer would be 61. First, if you are trying to figure out the pattern. You must subtract the second number with the first then fourth number with the fifth and so on, you get.

73 minus 66 equals 7.
21 minus 13 equals 8.
XX minus 52 equals x.
20 minus 10 equals 10.

Basing on the pattern of the set of numbers, x will equal 9, To get this you must do 52 and 9 which will equal 61.
4 0
4 years ago
the length of a rectangle is 4cm langer than the width. the perimeter is 80cm. what is the length and the width?
Lisa [10]
Let us assume the width of the rectangle = x cm
Then
The length of the rectangle = (x + 4) cm
It is already given that
Perimeter of the rectangle = 80 cm
Now we also know the formula for perimeter of a rectangle
Perimeter = 2 ( length + width)
80 = 2 (x + 4 + x)
80 = 2 (2x + 4)
80/2 = 2x + 4
40 = 2x + 4
Dividing both sides by 2 we get
20 = x + 2
20 -2 = x
x = 18
Then
Width of the rectangle = 18 cm
Length of the rectangle = (18 + 4) cm
                                     = 22 cm
So the rectangle has a length of 22 cm and a width of 18 cm.
4 0
3 years ago
Please answer!! It's in the exam I'm taking!! The first correct answer gets brainliest
GREYUIT [131]

Answer:

Answer B, AB is parallel to CD

Step-by-step explanation:

I'm 99% sure this is the answer.

5 0
3 years ago
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