Answer:
35,66
Step-by-step explanation:
Perimeter:
(5.5+12)*2
=17.5*2
=35m
Area:
5.5*12
=66 sq. metres
Answer:
x = 23
7x - 11 = 4x + 58
(7x - 4x) - 11 = (4x - 4x) + 58
3x - 11 = 58
3x (- 11 + 11) = 58 + 11
3x = 69
3x/3 = 69/3
x = 23
Answer:
(- 4, 1 )
Step-by-step explanation:
Under a reflection in the x- axis
a point (x, y ) → (x, - y ), thus
(- 4, - 1 ) → (- 4, 1 )
<h2>
Answer:</h2><h2>The expression to give the requested sum after simplifying,

=

</h2>
Step-by-step explanation:
To find the sum of first 20 terms,
a = 6, r = 3
By formula, 
substitute the values in the above formula, the equation becomes,


= 
Answer: A
Step-by-step explanation: just a feeling