Answer:
<h2>
0.67</h2>
Step-by-step explanation:

Distribute 5 through the parentheses

Distribute 4.7 through the parentheses

Move ' 4.7 y ' to L.H.S and change it's sign

Move constant to R.H.S and change it's sign

Collect like terms

Calculate

Divide both sides of the equation by 0.3

Calculate

Hope this helps...
Best regards!!
D(t) = -4t^3 + 40t^2 + 500t = 4088
4t^3 - 40t^2 - 500t + 4088 = 0
t = 7
Therefore, the plane has flown 4088 km 7 hours after it took off.
The answer is D if you combine like terms
Answer:
My Plate.
<em>My Plate</em> is the current illustration used to show us how to eat a healthy diet.
- Here is the My Plate diagram.
<em>I hope this helped at all.</em>
Well i’m not sure on this but i got 18 for my answer instead of 10 so if u need any mode help im here