Answer:
870
Step-by-step explanation:
Assuming you mean
30
Using the definition
n =
where n! = n(n - 1)(n - 2) ..... 3 × 2 × 1
Then
30 =
=
Cancel the terms 28(27)... on numerator/ denominator, leaving
30 = 30 × 29 = 870
6) Which expressions are equivalent? Choose ALL that apply.
1 answer:
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Answer:
The missing side is 18 inches
Step-by-step explanation:
Since in the smaller rectangle the sides are 2.5in x 6in and one side for the larger rectangle is given, you can make an equation.
Then you can cross multiply.
2.5x=45
Divide by 2.5 on both sides.
x= 18