Answer:
Why was Mrs Hallette unhappy when people asked about her son?
Step-by-step explanation:
The least number of quadratic system can have is Two real solutions or no real solutions.
You need to have variables one one side and constants on the other. ax - ax + by = c - ax
by = c - ax
by/b = (c - ax)/b
y = (c - ax)/b
Answer:
630 desks
Step-by-step explanation:
x=25
y=30
total desks = 25*24+30
total desks = 630
Given:
A regular polygon with three vertices and side 14 cm.
To find:
Area of the regular polygon.
Solution:
We know that, a regular polygon has equal sides and equal interior angles.
The given regular polygon has three equal sides, it means it is an equilateral triangle.
The area of an equilateral triangle is:

Where, a is the side length of the triangle.
Putting
, we get




Therefore, the area of given regular polygon is 84.9 cm².