the sum of the three numbers is 69. if the second number is equal to the first diminished by 8, and the third number is 5 times
1 answer:
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<h2>Explanation:</h2>
Let's use a trial and improvement method to find this solution.
Step 1. Let's choose x = 8.5
Substituting into the equation:
Step 2. Let's choose x = 8.4
Substituting into the equation:
Step 3. Let's choose x = 8.3
Substituting into the equation:
Since the sign of the equation changes from positive to negative when evaluating from 8.4 to 8.3, then x = 8.3 seems to be a reasonable value. Finally, the solution to 1 decimal place is:
Answer:
6.4031242374328
Step-by-step explanation:
Distance (d) = √(1 - 6)2 + (8 - 4)2
= √(-5)2 + (4)2
= √41
= 6.4031242374328
