Solve.10 - x2 ? 0
A. (-10, 10)
B. (-?, -
]
C. [-
, 
]
D. [
, ?)
Answer: C
Mathematics
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Solve using the addition or division principle.12 = -25 + n
A. -13 B. -37 C. 13 D. 37
Mathematics
Establish the identity.(1 - cos x)(1 + cos x) = sin2x
What will be an ideal response?
Mathematics
Substitute to find the value of the expression.Traveling at r kilometers per hour for t hours, a driver will travel rt kilometers. How far will Danny travel in 13 hours at a speed of 55 kilometers per hour?
A. 4.2 km B. 715 mi C. 68 km D. 715 km
Mathematics
Find the function from the given verbal description of the function.If w is equal to the square root of x, y is the sum of w and 4, and z is y divided by 4, then write z as a function of x.
A. z = 
+ 4
B. z = 
C. z = 
D. z = 
Mathematics