How many cm are in 5mm
1 answer:
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Answer:
Step-by-step explanation:
Given that the angles A, B, C in a Triangle form an arithmetic sequence where A=23 degrees.
The nth term of an Arithmetic sequence is given by the formula:
Where:
a=first term
n=number of term
d=common difference
In this case,
The sum of angles in a triangle is 180 degrees. Therefore:
∠A+∠B+∠C=180 degrees
Therefore:
Angle C,
Answer:
ways
Step-by-step explanation:
Given that a shelf contains n separate compartments. There are r indistinguishable marbles
The marbles are identical so they can be placed in any order.
Let us consider the places available for placing these r marbles
No of compartments available =n
Marbles to be placed = r
Since marbles are identical and order does not matter
number of ways the r marbles can be placed in the n compartments
= nCr
=