For the following exercises, determine whether to use the Addition Principle or the Multiplication Principle. Then perform the calculations. 12. How many two-letter strings—the first letter from A and the second letter from B—can he formed from the sets A = { b , c d } a n d B = { a , e , i , o , u } ?
For the following exercises, determine whether to use the Addition Principle or the Multiplication Principle. Then perform the calculations. 12. How many two-letter strings—the first letter from A and the second letter from B—can he formed from the sets A = { b , c d } a n d B = { a , e , i , o , u } ?
For the following exercises, determine whether to use the Addition Principle or the Multiplication Principle. Then perform the calculations.
12. How many two-letter strings—the first letter from A and the second letter from B—can he formed from the sets
A
=
{
b
,
c
d
}
a
n
d
B
=
{
a
,
e
,
i
,
o
,
u
}
?
Use a calculator to find a decimal approximation for the following trigonometric function.
cot 226°54'
cot 226°54'
(Simplify your answer. Type an integer or a decimal. Round to eight decimal places as needed.)
X
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Hannah wants to have concrete stairs for
her backdoor. How much concrete will be
needed to build the stairs?
20 cm
70 cm
30 cm
15 cm
10 cm
45 cm
cm
70 cm
GIF
自
لا
1
Hannah wants to have concrete stairs for
her backdoor. How much concrete will be
needed to build the stairs?
70 cm
30 cm
15 cm
10 cm
10 cm
20 cm
45 cm
cm³
GIF
GIF/
2
3
4
qwe
asdf
5
6
自
yu
ty u
8
ghjk
9
P
Z X
C
cv b
vbnm ×
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