<span>The answer for the question above is C) 9.88-10.12</span>
Answer:
1. 490.6 mm²
2. 14.1 ft²
Step-by-step explanation:
1. 3.14×(12.5)²= 3.14 × 156.25 =490.6mm²
2. ½×3.14×3²= 3.14×4.5= 14.1 ft²
The cardinality of a set refers to the number of elements in the set. It is found by counting the elements in the set.
<h3>What is cardinality of a set?</h3>
The cardinality of a set refers to the number of elements in the set. To obtain the cardinality, we have to count the elements in the set.
a) There are 6 elements in this set hence the cardinality is 6.
b) There is only one element in the set hence its cardinality is 1.
c) There are two elements in the set hence the cardinality is 2.
Learn more about cardinality of a set:brainly.com/question/19257002
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Answer:
you need to be more specific like which ones are x or y
Step-by-step explanation:
ask it again or comment the specifics
Answer:
80
Step-by-step explanation:
The n th term of a geometric sequence is
= a₁
where a₁ is the first term and r the common ratio
We require to find a₁
Given
a₃ = 
, then
a₁r² = , that is
a₁ ×2² = ( divide both sides by 4 )
a₁ = 
, thus
= × 
= × 1024 = 5 × 16 = 80
