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-Dominant- [34]
3 years ago
14

How many different ways can six runners line up in a race?

Mathematics
1 answer:
xz_007 [3.2K]3 years ago
3 0
Six runners can line up 36 different ways
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Evaluate:<br> 2 - (-9) + (-18) / 3 x 2 -10
Gre4nikov [31]

Answer:

Step-by-step explanation:

2+9-18/3x2-10

Lets follow order of ops.

/, x, +, -

Divide first.

2 + 9 - (18/3) x 2 - 10

2+9-6x2-10

Now we multiply.

2+9-(6x2)-10

2+9-12-10

Add.

11-22

Now subtract.

11-22=-11

---

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5 0
3 years ago
How many ways can the words in d-r-a-g-o-n-f-l-y be arranged
GarryVolchara [31]

Answer:

362880 ways

Step-by-step explanation:

The word dragonfly has 9 different letters.

So, to find how many ways this word can be arranged, we just need to calculate the factorial of 9:

First letter has 9 possibilities

Second letter has 8 possibilities (one used)

Third letter has 7 possibilities (two used), and so on.

So the number of ways is:

9*8*7*6*5*4*3*2*1 = 362880 ways

7 0
3 years ago
Factor each trinomial. Then match the polynomial (term) on the left with its factored form (definition) on the right.
meriva
X² - 8x - 20 factors to give option
B) (x - 10)(x + 2)
x² + 8x - 20 factors to give option
A) (x - 2)(x + 10)
x² - x - 20 factors to give option C) (x - 5)(x + 4)
and x² - 9x - 20 is option D) Prime.

I hope this helps!
8 0
3 years ago
Read 2 more answers
Two classmates are preparing research papers and are organizing their information on index cards. William is using 4 in by 6 in
ch4aika [34]
Not similar one is using a 20 in area and the other is using a 96 in area
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3 years ago
Can someone help me plssssss
Akimi4 [234]

Answer:

16.5

Step-by-step explanation:

5 0
3 years ago
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