Answer:
If an object on Mercury weighed 25lb, it would weigh 75lb on Earth
(25 * 3 = 75)
The answer is b
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Answer:
5, 7.5, 10
Step-by-step explanation:
Answer:
No solution
Step-by-step explanation:
Substitution is done by substituting one equation into another. To begin solve one equation for a variable.
Substitute y=-4x+3 into -4x-y=-2.
-4x -(-4x + 3) = -2
-4x + 4x - 3 = -2
-3=-2
This is a false statement and there is no variable present anymore. This means the equations have no solution.
Answer:
3
Step-by-step explanation:

therefore,

however, since logarithms cannot have negative arguments, x can only be +3
i.e. log(-3) is impossible, and will return MATH ERROR on a calculator.