Answer:
d
Step-by-step explanation:
Under a reflection in the y-axis
a point (x, y) → (- x, y )
It will take her 5 hours to get back home with a constant speed of 2mph
Answer:
D
Step-by-step explanation:
y = -0.2 x²
This has a negative sign, as opposed to y = x², so it will point in the opposite direction.
The leading coefficient (0.2) is less than 1. This means the parabola is shrunk vertically, or stretched horizontally. So the parabola is wider than y = x².
Answer:
I'm not sure but I think region 3
Given :
1 batch of brownies required 15 cup of chocolate.
To Find :
If she has 8/10 cup of chocolate remaining, how many batches of brownies can Mary make.
Solution :
Ratio of cups to batch is :

Let , batch produced from 8/10 cup of chocolate is x.
So ,

Therefore , she can make 0.053 of a batch.
Hence , this is the required solution.