Answer:
12
Step-by-step explanation:
This is a joint variation problem:
z varies directly as x and y
Interpreting this;
z ∝ xy
Therefore;
z = kxy
z = 6, x = 2, y = 6
Now find k,
6 = 2 x 6 x k
6 = 12k
k = 
To find the value of z;
x = 3, y = 8
z = x 3 x 8 = 12
Answer:
Step-by-step explanation:
Lenny had a rectangular deck that was 12 feet by 14 feet he wants to increase the length and width by the same amount and at 120 square feet to the total area what's the answer
Answer:
70910 (c)
Step-by-step explanation:
You move the decimal point to the right each time.
Answer:10x-35
Step-by-step explanation:
5(2x-7)
Clear bracket
10x-35
Answer:
A=-2 B=17
Step-by-step explanation:
