We have that
<span> [the mean change of altitude]=[change in altitude]/[time]
</span> [the mean change of altitude]=[-370]/[7]---------------> -52.86 ft/minute
the answer is -52.86 ft/minute (<span>the negative sign means that the plane is descending</span>)
Answer:
f(x)=-3(x-8)(x+2)
Step-by-step explanation:
f(8)=-3(8-8)(8+2)=-3×0×10=0
f(-2)=-3(-2-8)(-2+2)=-3×(-10)×0=0
f(0)=-3×(0+8)×(0+2)=-3×8×2=-48
The answer to your question is 20 .
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Answer:



Step-by-step explanation:
(i) For two different points on a line, the slope m is defined as the difference on the y-axis divided by the difference on the x-axis:

Where:

So:

(ii)
To find the coordinates of the midpoint, you can use the following formula:

Therefore:

(iii) The distance between two points is given by the following formula:

Hence:
