If this shape is trapezium
m (<D) = m (<C)
since AB parallel to CD
m (<C) + m (<A) = 180°
m (<C) = 180 - 125 = 55°
m (<D) = 55°
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The objects acceleration is 3.33 m/s^2. Hope this helps! :)
Answer:
(E) 450
Step-by-step explanation:
Let x represent the number of gallons of solution X that must be added to the mix. Then the amount of sugar in the mix is ...
0.20x +0.40·150 = 0.25(150 +x)
0.20x +60 = 37.5 +0.25x . . . eliminate parentheses
22.5 + 0.20x = 0.25x . . . . . . subtract 37.5
22.5 = 0.05x . . . . . . . . . . . . . subtract 0.20x
450 = x . . . . . . . . . . . . . . . . . . multiply by 20
450 gallons of solution X must be added to make a 25% sugar solution.
Answer:
-1,487.9
Step-by-step explanation:
Subtract 215.5 from -1,275.5.
-1,491
then add 125.5 to -1,491.
-1,365.5
finally, subtract 122.4 from -1,365.5.
-1,487.9
Essentially, you are starting at 1,275.5 feet below sea level, which makes it negative.
