Answer:
<em>yes</em><em> </em><em>it</em><em> </em><em>is</em><em> </em><em>the</em><em> </em><em>right</em><em> </em><em>angle</em><em> </em>
Answer:
Part A) the direct variation equation that relates x and y is:

Part B) value of y = 75
Step-by-step explanation:
Part A)
We are given that y varies directly with x, and y=10 when x=-2 what direct variation equation relates x and y?
If x and y are directly related then:
y ∝ x or y=kx
where k is constant of proportionality.
Now, finding k:
y=10 and x=-2

So, value of k = -5
So, the direct variation equation that relates x and y is:

Part B)
What is the value of y when x = -15
the equation is:

Putting x = -15

So, value of y = 75
Keywords: Direct Variation
Learn more about Direct Variation at:
#learnwithBrainly
Answer:
0.0768 kilograms per cup
Step-by-step explanation:
I got this answer from DeltaMath. Trust me :)
Answer:
±90
Step-by-step explanation:
√(-225) · √(-36) = (15i)·(6i) = 90i² = 90·(-1) = -90
_____
On the other hand, ...
... √(-225) · √(-36) = √((-225)·(-36)) = √8100 = 90
___
If you consider all the roots at each stage, the result is ±90. Since you're working with complex numbers here, it is reasonable to recognize every number has two square roots.
... √(-225) = ±15i
... √(-36) = ±6i
... √(-225) · √(-36) = (±15i)·(±6i) = ±90i² = ±90