15.5 15.5 x 2 = 31. hope this helps
Answer:
11 feet
Step-by-step explanation:
Given,
Area of square ( a^2 ) = 121 ft
To find : Length of each side ( a ) = ?
Formula : -
Area of square = a^2
a^2 = 121
a = √121
a = 11 feet
Answer:
12
Step-by-step explanation:
Hello. Y/x = a constant k because y and x are by definition always in the same ratio. (y varies directly as x so if x is doubled y is also doubled etc.)
Answer:
Step-by-step explanation:
12x + 14y = 20
-8x - 14y = -4
4x = 16
x = 4
6(4) + 7y = 10
24 + 7y = 10
7y = -14
y = -2
(4, -2)
the solution is B
Answer:
He had paid 2,940
Step-by-step explanation:
4200x0.7=2940