Translate the expression into the language of algebra. Use the variable x to represent the number.The product of 2 and a number
A. 1 + 2x
B. 2x
C. 2 + x
D. 2 - x
Answer: B
Mathematics
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With the given set of components, find R and ?.Rx = -40.6, Ry = -28.4
A. R = 49.5, ? = 215° B. R = 8.3, ? = 215° C. R = 49.5, ? = 35° D. R = 8.3, ? = 35°
Mathematics
Factor the trinomial by grouping.7x2 + 17x - 12
A. (x + 3)(7x - 4) B. (x - 3)(7x + 4) C. (x - 4)(7x + 3) D. prime
Mathematics
Verify that each equation is an identity.cos(4?) = cos4 ? - 6 sin2 ? cos2 ? + sin4 ?
What will be an ideal response?
Mathematics
Find all the first order partial derivatives for the following function.f(x, y, z) = xz
A. 
= z
; 
= 
; 
= x
B. 
= z
; 
= 
; 
= x
C. 
= z
; 
= - 
; 
= x
D. 
= z
; 
= - 
; 
= x
Mathematics