Solve using the addition principle.-21 = f - 10
A. 31
B. -31
C. -11
D. 11
Answer: C
You might also like to view...
Complete the magic (addition) square. A magic square has the property that the sum of the numbers in any row, column, or diagonal is the same.Use each number 34, 35, 36, 37, 38, 39, 40, 41, and 42 once.
A. 
B. 
C. 
D. 
Solve by the substitution method.8x + 9y = -11-2x + 7y = -25
A. (1, -2) B. (2, -2) C. (2, -3) D. (-11, -25)
Simplify each side of the equation and then solve. Check your solution.-2x + 1x = 5
A. 
B. - 
C. 5
D. -5
Translate the sentence into a mathematical equation. Be sure to identify the meaning of all symbols.The force of gravity between two objects is the gravitational constant times the product of their masses divided by the square of the distance between them.
A. If F is the force of gravity, G the gravitational constant, m1 the mass of one object, m2 the mass of the second, and d the distance between them, then 
B. If F is the force of gravity, G the gravitational constant, m1 the mass of one object, m2 the mass of the second, and d the distance between them, then 
C. If F is the force of gravity, G the gravitational constant, m1 the mass of one object, m2 the mass of the second, and d the distance between them, then 
D. If F is the force of gravity, G the gravitational constant, m1 the mass of one object, m2 the mass of the second, and d the distance between them, then 