Andre drew a quadrilateral with four right angles and two pairs of congruent sides. What type of quadrilateral did he draw? Expl
ain your answer.
Type of Quadrilateral:______________
EXPLAIN WHY IT IS THAT QUADRILATERAL!
Type of Quadrilateral:______________
EXPLAIN WHY IT IS THAT QUADRILATERAL!
1 answer:
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Let be the number of days spent at Tahoe and San Francisco, respectively.
We don't know the values of and
yet, but we know that the holiday lasted 9 days:
We also know that each day spent in Tahoe costed 350 and each day spent in San Francisco costed 475. So, the total cost of the holiday is the sum of the number of days muliplied by their cost:
If we put the two equations together, we have the system
Which yields