Answer:
6 squared
Step-by-step explanation:
The square root of a perfect square is a rational number.
Answer:
the perimeter of the Pentagon is 2.75cm
Step-by-step explanation:
add each side together in decimal form
Answer:
(x, y ) = (
,
)
Step-by-step explanation:
given the 2 equations
4x + 2y = 7 → (1)
y = 5x → (2)
Substitute y = 5x into equation (1)
4x + 2(5x) = 7
4x + 10x = 7
14x = 7 ( divide both sides by 14 )
x =
= 
substitute this value into equation (2)
y = 5 ×
= 
The ratio 21:28 in it's simplest form is 3:4
Answer:
- 
Step-by-step explanation:
To convert degrees to radians
radian measure = degree measure ×
, then
radian measure = - 220 ×
( divide 220 and 180 by 20 )
= - 