The series will be:
Hence, Option A is the right answer
Step-by-step explanation:
The series can be fount out by putting the values of i in the expression written with the summation
The expression is:
while i = 1 to 25
Putting i = 1
Putting i = 2
Putting i = 3
....
Putting i = 25
The series will be:
Hence, Option A is the right answer
Keywords: Summation, Series
Learn more about summation at:
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Answer:
the mean is 46.
Step-by-step explanation:
The total is 460 and divided by the amount of numbers(10) is 46.
1.1=1
2.2=4
3.3=9
4.4=16
5.5=25
6.6=36
7.7=49
8.8=64
9.9=81
10.10=100
11.11=121
12.12=144
13.13=169
Answer:
AB = 5
BC = 12
AC = 13
Step-by-step explanation:
A rectangle is a quadrilateral and therefore, opposite sides are parallel and congruent to each other. Thus:
AB = CD = 12
AB = 12
BC = AD = 5
BC = 5
AC is a diagonal of the rectangle, use Pythagorean theorem to find it's length as follows:
AC² = AD² + CD²
Plug in the values
AC² = 5² + 12²
AC² = 169
AC = √169
AC = 13
The sides of an equilateral triangle are same. So if one of the sides is (x-4.5), all the sides are (x-4.5).
Let the sides are a=(x-4.5), b=(x-4.5), c=(x-4.5)
1. Perimeter(as sum) = a+b+c
= (x-4.5)+(x-4.5)+(x-4.5)
= x+x+x-4.5-4.5-4.5
= 3x - 13.5
2. Perimeter (as product) = 3×a
= 3×(x-4.5)
= 3×x - 3×4.5
= 3x - 13.5
(you can write 3×b or 3×c also as a=b=c.)
<em>Both perimeter as sum and perimeter as product are same as adding a number three times is the same as multiplying it by 3.</em>
