Answer:
b=3
Step-by-step explanation:
-7+1/3b=-6
+7 +7
1/3b=1
*3 *3
b=3
Answer:
x = 4
Step-by-step explanation:
From the pythagoras theorem
(x+2)^2 = x(5+x)
x^2 + 4x + 4 = 5x + x^2
x^2 + 4x + 4 - 5x - x^2 = 0
-x + 4 = 0
4 = x
The answer is a)
Let me know if you need an explanation
Answer:
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Step-by-step explanation:
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