A survey asks teachers and students whether they would like the new school mascot to be a shark or a moose . this table shows th
e results .
A person is randomly selected from those surveyed
Are being a student and preferring “shark” independent events ? Why or why not ?
A person is randomly selected from those surveyed
Are being a student and preferring “shark” independent events ? Why or why not ?
2 answers:
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supplementary angles add up to 180°.
x = measure of such angle
x + 20 = measure of her sibling.
since "x" has 20 less than her sibling, then clearly her sibling has to have 20 more than "x".