21 is 42% of 50 , So the correct answer is 50
Answer:
(2x+1)(1) = 84. 2x+1= 84. 2x = 83.
Step-by-step explanation:
Factor out like terms
-y(7+y)=0
It is closer to 1.4
Step-by-step explanation:
This is a 45 45 90 triangle
To find the hypotenuse of this triangle it is any side length times the square root of two.
Formula: Square Root = sqrt
Hypotenuse = SideLength*sqrt(2) ; 1*sqrt(2) = 1.412...
Rounded to the nearest tenths it is closer to 1.4 than 1.5
