Answer:
44.34
Step-by-step explanation:
Answer: We should add the constant 81 to the expression to have a perfect square trinomial.
The perfect square trinomial that would be formed would result from (x + 9)^2.
We can use foil to prove it.
(x + 9)(x + 9)
x^2 + 9x + 9x + 81
x^2 + 18x + 81
81 is the value that must go with 18x in the middle to form the perfect square trinomial.
Answer:
18.288 meters = 20 yards to be approximate
(or 18 meters if you round)
Hope this helps:)
Step-by-step explanation:
in my skul, we wud say dat 4 centimeters on the map is equal to 10 kilometers on actual ground
Answer:
9 inches.
Step-by-step explanation:
Volume = length * height * width
486 = 18 * 3 * w
w = 486 / (18*3)
= 486 / 54
= 9 inches.
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