Answer:
a=-3
Step-by-step explanation:
-3a=6+3
-3a=9
a=-3
She put the y in the same equation ....it was the mistake
She had to put the y in the other equation:
2x+ 22 - 10x = - 2
-8x + 22 = - 2
-8x= -2 - 22
-8x= - 24
x= 3
The option that will give Esther the greatest distance will be option 6.
<h3>How to calculate the distance?</h3>
Based on the information given, AC will be:
= ✓(125)² + (85)2
= 151.16m
The distance covered in 6 diagonal runs will be:
= 6 × 151.16
= 906.97m
The distance covered in 7 diagonal runs will be:
= 7 × 125
= 875m
Therefore, the option that will give Esther the greatest distance will be option 6.
Learn more about distance on:
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Answer:
Step-by-step explanation:
7ft + 4ft = 11ft