7y + 10x = 99
y - x = 2
y = 7 , x = 5
Answer:
x = 1.56
Step-by-step explanation:
so what you have to do is isolate the variable by dividing each side by factors that don't contain the variable.
Answer:
7·(s + d) - 25
Step-by-step explanation:
if each plant cost $7
and there are two plants so its 7 times (s+d)
and then the discount so its -25
hope this helps
I think it is 8.83? I am not positive but it is worth a try
Answer:
80 m²
Step-by-step explanation:
The area (A) of a trapezoid is calculated as
A = 
h (a + b)
where h is the perpendicular height between bases and a, b are the bases
Here h = 8, a = 14 and b = 6, thus
A = × 8 × (14 + 6) = 4 × 20 = 80 m²
