Find the perimeter of the triangle.an equilateral triangle whose side measures 8 cm
A. 24 cm
B. 23 cm
C. 32 cm
D. 16 cm
Answer: A
Mathematics
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Find the equation of the tangent plane (or tangent "hyperplane" for a function of three variables) at the given point p.f(x, y) = 
, p = (1, -1, -5).
A. 10x + 10y + z = -5 B. x + y + 5z = -5 C. 5x + 5y + z = -10 D. 5x + 5y + z = -5
Mathematics
Draw the given angle.360°
A. 
B. 
C. 
D. 
Mathematics
Find the indicated matrix.Let A = 
and B = 
. Find A + B.
A. 
B. 
C. 
D. 
Mathematics
Translate into an equation and solve. Nine less than the product of seven and a number is forty. Find the number.
A) –7 B) 7 C) 6 D) –4 E) –6
Mathematics