Solve by the substitution method.
= 56x = 10 + 12y
A. ?
B. 
C. 
D. {(x, y)|
= 5}
Answer: C
Mathematics
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Find the unit tangent vector of the given curve.r(t) = 
i + 
j - 5tk
A. T = 
i + 
j - 
k
B. T = 
i + 
j - 
k
C. T = 
i + 
j - 
k
D. T = 
i + 
j - 
k
Mathematics
Use the definition of partial derivatives as limits to find  figure.png)
(x,y) if f(x,y) = 4x² - 8xy + 2y²
What will be an ideal response?
Mathematics
Simplify.240 ÷ 5 - 3
A. 120 B. 232 C. 45 D. 238
Mathematics
Write the following in words.0.87
A. Eighty-seven hundredths B. Eighty-seven thousandths C. Eighty-seven hundred-thousandths D. Eighty-seven tenths
Mathematics