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Oliga [24]
3 years ago
7

You are getting a line-up ready for a school kickball game. You have

Mathematics
1 answer:
damaskus [11]3 years ago
3 0
There are 28,800 ways.

There are 10 possibilities for the first child, since it could be a boy first or a girl first.  After this, there are 5 possibilities for the second child (the other gender).  There are 4 choices for the 3rd child, 4 for the 4th child, 3 for the 5th child, 3 for the 6th child, 2 for the 7th child, 2 for the 8th child, 1 for the 9th child, and 1 for the 10th child:
10(5)(4)(4)(3)(3)(2)(2)(1)(1) = 28,800
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What will the volume of the box be if you cut 1 inch by 1 inch squares out of each corner (Notice that you have to subtract 1 in
kaheart [24]

Answer:

324 cubic inches

Step-by-step explanation:

The dimensions are now 18 x 18 x 1, since you are cutting an inch off each side.

324 cubic inches

7 0
2 years ago
Subtract the complex numbers: (-2 + 12i) - (-1 - 9i)
Andrew [12]

9514 1404 393

Answer:

  C)  -1 +21i

Step-by-step explanation:

For many purposes, "i" can be treated as though it is a variable. Collect terms in the usual way.

  (-2 +12i) -(-1 -9i) . . . . given

  = -2 +12i +1 +9i . . . . use the distributive property to eliminate parentheses

  = (-2+1) +(12i +9i) . . . group like terms

  = -1 +21i

3 0
3 years ago
Read 2 more answers
PLEASE HELP ME WITH THIS GEOMETRY PROBLEM!!!!!!!!!!!!!!!!!!!!!!!!!!!
Leno4ka [110]
The question is asking for the cubic feet inside the prism, which means it wants the volume.

The volume equation is:
Volume= length x width x height

The issue is: the measurements of the prism are given to us in inches, while the problem asks for feet. We just need to convert each measurement, by dividing each by 12, since there are 12 inches per foot.
40 inches/12=3.33 feet
45 inches/12=3.75 feet
30 inches/12=2.5 feet

Now, we just have to plug in the numbers we found to solve for the volume.
V=(3.33 feet)(3.75 feet)(2.5 feet)
V=31.22 cubic feet
6 0
3 years ago
What is the answer 5+5(9b - 7)
Otrada [13]
5+5= 10
10 time 9b is 90b
10 times -7 is -70
Then 90b-70
3 0
2 years ago
Y = X3 – X –1 if x = -1, Y = ?
Akimi4 [234]

Answer:

-3

hope this helps!

Step-by-step explanation:

(-1)3 - (-1) - 1 =

-3 - (-1) - 1 =

-2 - 1 = -3

6 0
2 years ago
Read 2 more answers
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