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lara [203]
2 years ago
13

Use: nCk=n!/k!(n-k)!

Mathematics
1 answer:
alekssr [168]2 years ago
3 0

Answer:

47

Step-by-step explanation:

7x2=14-10=4 so 47 Is an answer

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8 0
4 years ago
Express each ratio as a fraction in simplest form 16 feet out of 40 feet
Lady bird [3.3K]

Answer:

Step-by-step explanation:

Start by dividing top and bottom by 4

16 / 4 = 4

40/4 = 10

The result so far is 4/10

But 4/10 is not the answer. You can divide 4 and 10 by 2

4/2 = 2

10/2 = 5

Answer: 2/5

5 0
3 years ago
When do we use = and when do we use ~
kati45 [8]
When we use this = it means it is the exact
answer
When we use ≈ it means it is an estimated answer and not the exact answer Example 12.4684729572974729758328 ≈ 12
4 0
4 years ago
A runner sprinted for 468 feet (ft). How many yards (yd) is this?
Len [333]

Answer:

156 yards

Step-by-step explanation:

1 yd = 3 ft

So if 1 yd is equal to 3 ft then all you need to do is divide the amount of ft given by the amount that makes 1 yd

4 0
3 years ago
If point B is the midpoint of points A and C, find the value of x and AC. AB= 5x - 2, BC= 9x -10
mars1129 [50]

9514 1404 393

Answer:

  • x = 2
  • AC = 16

Step-by-step explanation:

The midpoint divides the segment into two equal lengths:

  AB = BC

  5x -2 = 9x -10

  8 = 4x

  2 = x

  AB = 5(2) -2 = 8

  AC = 2AB = 2(8) = 16

8 0
3 years ago
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