Answer:
Step-by-step explanation:
To find the scale, we write a ratio of and simplify.
Assuming the 40 meter side corresponds to 10 cm, we know . We simplify to
x-0.1x=36
where x is the original price
0.1x is the discount (10% of the original price)
36 is the price paid
x-0.1x=36
0.9x=36
----- ----
0.9 0.9
x=40
The original price is $40.00
Answer:
-2; 16
Step-by-step explanation:
Rewrite the equation as:
Now use the quadratic formula:
Now
Answer:
Step-by-step explanation:
Plug in the given value of y, -2, and solve for x:
-2 + 2 = -3x + 4 and
0 = -3x + 4 and
-4 = -3x so
x = 4/3