Show that the equation is not an identity by listing the value(s) of the variable from among 0, 
, 
, and - 
for which the equation is false.sin2? = cos2?
A. 
and - 
B. 0 and 
C. 
D. - 
Answer: B
Mathematics
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Use an Euler diagram to determine whether the argument is valid or invalid.All insects have six legs.
Therefore, no spiders have six legs.
A. valid B. invalid
Mathematics
Solve.
+ 6 = 7
A. x = 4 B. x = 41 C. x = 3 D. x = 39
Mathematics
State the phrase as a mathematical expression. Use x to represent the variable.The product of nine and five more than a number
A. 9 + 5 ? x B. 9 ? 5 + x C. (9 + 5)x D. 9(x + 5)
Mathematics
Convert 10 ft to centimeters.
a. 304.88 cm b. 3.05 cm c. 32.8 cm d. 0.33 cm
Mathematics