Sofia is driving to Texas. She travels at 70 kilometers per hour for 2 hours, and 63 kilometers per hours for 5 hours. Over 7 ho
1 answer:
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2
- 7
= 4 - 7
= Since, we have same bases, we can subtract!
= To get,
= -3 Answer
= 4
= Since, we have same bases, we can subtract!
= To get,
= -3
Answer: Choice A
The number line graph is visually showing every number that is 19 or smaller; hence
Note the use of a closed or filled in circle at the endpoint (in contrast to an open circle). This indicates we are including the endpoint 19 as part of the solution set, and that's why we go for "or equal to" as part of the inequality sign.