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professor190 [17]
3 years ago
10

How many different ways can 12 racecars finish in first, second, and third place?

Mathematics
1 answer:
Agata [3.3K]3 years ago
4 0

Answer:

c 1,320

Step-by-step explanation:

12 x 11 x 10 = 1,320

only one person can finish in each place

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Does anyone know this?
Marrrta [24]

Answer:

f(-9) = 279

Step-by-step explanation:

f(x) = 4x^2 + 7x + 18

f(-9) = 4(-9)^2 +7(-9) + 18

       = 4(81) - 63 + 18

       = 324 - 63 + 18

       = 279

8 0
3 years ago
If I have 14 neutrons and 11 electrons, what is my mass number?
Vinil7 [7]

Answer:

A : 25

Step-by-step explanation:

In a neutral atom, the number of electrons is equal to the number of protons. The atomic number indicates the number of protons.

The mass number is the sum of the number of neutrons and the number of protons.

mass number=protons+neutrons

As we know from the atomic number, the number of neutrons is 14 and the number of electrons is 11.

mass number = 14 + 11

3 0
3 years ago
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)) Irene made 4 stacks of wooden blocks. The first stack was 4 blocks tall. The second
Romashka [77]

Answer:

I am pretty sure the answer is 30 blocks :)

4 + 11 + 6 + 9 = 30 blocks

6 0
3 years ago
Read 2 more answers
There are 11 books on a shelf. 4 of the books are new. The rest of them are used What is the ratio
wariber [46]

Answer:

I <em>believe </em>it would be 4:7 books (the 4 new ones : the 7 older books).

Hope this helps!

8 0
3 years ago
HELLLP MEEEEEEEE PLEASE
jolli1 [7]

Answer:

Each side is 15 ft

Step-by-step explanation:

The area of a square is given by

A = s^2 where s is the side length

225 ft^2 = s^2

Take the square root of each side

sqrt ( 225 ft^2) = sqrt ( s^2)

15 ft = s

Each side is 15 ft

6 0
2 years ago
Read 2 more answers
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