460 (envelopes) / 30 (minutes) = 15.3 rounds down to 15 envelopes per minute
Answer:
x = 15
Step-by-step explanation:
Using the Altitude on Hypotenuse theorem
( leg of large Δ )² = (part of hypotenuse below it ) × ( whole hypotenuse )
Thus
x² = 9 × (9 + 16) = 9 × 25 = 225 ( take the square root of both sides )
x =
= 15
5,000,000 divided by -800 is -6,250. hope I helped!
Answer:

Step-by-step explanation:
Given

Required
Rewrite with fewer terms

Open Bracket

Collect Like Terms


<em>Hence, the equivalent is 20 - 5r</em>