if Mary walks up three steps in three seconds, then how many seconds would it take to walk up the Lincoln Memorial (eighty-seven
2 answers:
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Answer:
Step-by-step explanation:
Multiply both sides of the equation by 5.
5 · ·
5 · 4
Simplify both sides of the equation.
Subtract 10 from both sides of the equation.
Divide each term by 2 and simplify.
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Substitute x for 6
Multiply 3 · 6
Add 18 + 9
Divide ÷ 27
9 = 9
First, square both sides. This will cancel out the radical.
(a^2 = b + 6)
Then subtract 6 from both sides
b = a^2 - 6
(a^2 = b + 6)
Then subtract 6 from both sides
b = a^2 - 6