Answer:
Step-by-step explanation:
In a word where no letters are repeated, such as FRANCE, the number of distinguishable ways of arranging the letters could be calculated by 5!, which gives 120. However, when letters are repeated, you must use the formula
n
!
(
n
1
!
)
(
n
2
!
)
...
Explanation:
There are 4 s's, 3 a's and a total of 9 letters.
9
!
(
4
!
)
(
3
!
)
=
362880
24
×
6
= 2520
There are 2520 distinguishable ways of arranging the letters.
Practice exercises:
Find the number of distinguishable ways of arranging the letters in the word EXERCISES.
Find the number of distinguishable ways of arranging letters in the word AARDVARK.
Answer:
648
Step-by-step explanation:
360 miles / 5 hours = 72 miles per hour
72 mph × 9 hours = 648 miles
Tangent 45 = height / 3
height = 3 * tan (45)
height = 3 * 1
height = 3
<span>Trapezoid area = ((sum of the bases) ÷ 2) • height
</span>
<span>Trapezoid area = (9 + 15) /2 * height
</span><span>Trapezoid area = 12 * 3
</span><span>Trapezoid area = 36
</span>
Answer:
- 26
Step-by-step explanation:
g(-4)=-2*(-4)^2+6
g(-4)=-2*16+6
g(-4)=-32+6
g(-4)=-26