Translate the verbal phrase into a mathematical expression. Use x to represent the unknown number.Twice some number
A. 2 + x
B. 2 - x
C. 
D. 2x
Answer: D
Mathematics
You might also like to view...
Find the surface area of the geometric solid. If needed, use 3.14 as an approximation for ? and round the answer to the nearest tenth.Rectangular prism with length 7 m, width 5 m, and height 3 m
A. 142 m2 B. 210 m2 C. 71 m2 D. 105 m2
Mathematics
Using a fraction, represent the part of the whole region that is shaded.
A. 
B. 
C. 
D. 
Mathematics
Perform the indicated operations and simplify the result so there are no quotients to complete the identity.
+ 
= ?
A. sin ? tan ? B. sec ? csc ? C. 1 + cot ? D. -2 tan2?
Mathematics
Factor the expression completely. If the polynomial will not factor, write "prime."m3n + 3m2n2 - 54mn3
A. mn(m - 9n)(m - 6n) B. mn(m - 9n)(m + 6n) C. mn(m2 + 3mn - 54n2) D. mn(m + 9n)(m - 6n)
Mathematics