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Free_Kalibri [48]
3 years ago
3

The principal of a high school needs to plan seating for commencement. The following two-way table displays data for the student

s who are involved in this year's commencement ceremony.
Grade level In choir Not in choir TOTAL
Junior 15 3 18
Senior 23 436 459
Other 3 0 3
TOTAL 41 439 480
For these students, are the events "senior" and "not in choir" mutually exclusive?
Find the probability that a randomly selected student from this group is a senior OR is not in choir.
Mathematics
1 answer:
DerKrebs [107]3 years ago
0 0

Answer: 77/80= 0.9625

Step-by-step explanation:

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3 years ago
Find the coordinates of the midpoint of segment GH with endpoints: G(-2, -8) and H(-3, -12).
Musya8 [376]

Answer:

midpoint = (-2.5 , - 10)

Step-by-step explanation:

midpoint =( ((x1 + x2)/2) , ((y1+y2)/2)) )

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2 years ago
Mrs. Chan buys a new car for $21,000. She pays a sales tax of $0.06 for every $1. She pays a property tax of $16.80 on every $1,
lianna [129]

Answer:

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Step-by-step explanation:

<u>Sales Tax</u> would be 0.06 * 21,000 = $1260

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So the property tax would be 16.80 * 21 = $352.80

Hence, total taxes (for the year) = 1260 + 352.80 = $1612.80

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2 years ago
angle, a and angle, b are complementary angles. angle a measures 22, degrees. What is the measure of angle b?
Natali [406]

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7 0
3 years ago
I NEED HELP ON THIS PLEASE
Drupady [299]

Answer:

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