Solve.x +
= 
A. 1
B.
C.
D.
Answer: C
Mathematics
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Solve the system by substitution.
A. (8, -5) B. (-8, -4) C. (-5, 8) D. (7, -4)
Mathematics
Determine whether the given value is a solution to the given equation.Is 5 a solution to x + 6.4 = 10.8?
A. Yes B. No
Mathematics
Solve.The hypotenuse of a right triangle is 8 feet less than three times the shorter leg and the longer leg is 8 feet more than twice the shorter leg. Find the lengths of the three sides of the triangle.
A. 18 ft, 44 ft, 46 ft B. 20 ft, 48 ft, 52 ft C. 30 ft, 68 ft, 82 ft D. 15 ft, 36 ft, 39 ft
Mathematics
Evaluate without using a calculator by using ratios in a reference triangle.cos 210°
A.
B.
C. -
D. -
Mathematics