Answer:


Step-by-step explanation:
Given:
Length of rectangular garden = (x + 2) ft
Width = (x + 7) ft
Required:
a. Polynomial expression of the area of the garden
b. Polynomial expression of the perimeter of the garden
SOLUTION:
Area of the rectangular garden = length × width

Expand using the distributive property of multiplication



Perimeter = 2(length) + 2(width)


Collect like terms


Answer:
(3, 6) or x = 3 and y = 6
Step-by-step explanation:
у = 2x, x + y = 9 (using substitution)
x + 2x = 9
3x = 9
x = 3
y = 2x
y = 2(3)
y = 6
Answer:
6.8 x 10^-3
Step-by-step explanation:
Answer:
Step-by-step explanation:
take 51 degree as reference angle
using sin rule
sin 51=opposite/hypotenuse
0.77=YZ/9
9*0.77=YZ
6.93=YZ
6.9=YZ