Mathematical Modeling
ACT · Flashcards · Recall
ACT · FLASHCARDS
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QUESTION
What is the weighted average model for mean of values
x
1
,
x
2
x_1,x_2
x
1
,
x
2
with weights
w
1
,
w
2
w_1,w_2
w
1
,
w
2
?
QUESTION
What is the formula for the surface area of a sphere?
QUESTION
What is the midpoint formula between points $ (
x
1
x_1
x
1
,
y
1
y_1
y
1
) $ and $ (
x
2
x_2
x
2
,
y
2
y_2
y
2
) $?
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ANSWER
(
x
1
+
x
2
2
,
y
1
+
y
2
2
)
\left(\frac{x_1+x_2}{2},\frac{y_1+y_2}{2}\right)
(
2
x
1
+
x
2
,
2
y
1
+
y
2
)
. Average of x-coordinates and y-coordinates.
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