1
3.50
3.50
+3.50
______
10 .50
1.37x + 1.08y = 16.36
x + y = 13
x = 13 - y
1.37* (13-y) + 1.08y = 16.36
17.81 - 1.37y + 1.08y = 16.36
1.08y - 1.37y = 16.36 - 17.81
-0.29y = -1.45
y = 5
x + 5 = 13
x = 13-5
x = 8
He bought 8 notebooks and 5 book covers
Answer:
y = 2
Step-by-step explanation:
y ∝ kx
y = 
× 9 = 
Answer:41a
Step-by-step explanation: when you multiply a number and a variable it will give you the number and the variable which is the unknown
11^2 + 9^2 = x^2
121 + 81 = x^2
202 = x^2
14.21 = x
The answer is 14.21
