Answer: it is (A).
Step-by-step explanation: hope this helps.
Answer:
7
Step-by-step explanation:
if the number is x then you know 2x-9=5
2x=14
x=7
so the number is 7
Answer:
spending their money
Step-by-step explanation:
answer to a = spending
Answer:
-5 degrees
Step-by-step explanation:
10 degrees - 15 degrees = -5 degrees
Answer:
The solution set is = {7, 9}.
Step-by-step explanation:
√(6x - 38) = x - 5
Square both sides:
6x - 38 = (x - 5)^2
x^2 - 10x + 25 - 6x + 38 = 0
x^2 - 16x + 63 = 0
(x - 7)(x - 9) = 0
x = 7, 9.
Check these solutions:
x = 7:
√(6x - 38) = √(42-38) = 2 and 7 - 5 = 2 so this is correct.
x = 9
√(6x - 38) = √(54 - 38) = √16 = 4 and 9 - 5 = 4 so 9 is also correct.