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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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Lacy opened a savings account and deposited $100. The account earns 6% interest compounded monthly if she wants to use the money
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Future Value= $112.72

Step-by-step explanation:

Giving the following information:

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3 years ago
Find the surface area of the composite figure.
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With the help of the <em>area</em> formulae of rectangles and triangles and the concept of <em>surface</em> area, the <em>surface</em> area of the composite figure is equal to 276 square centimeters.

<h3>What is the surface area of a truncated prism?</h3>

The <em>surface</em> area of the <em>truncated</em> prism is the sum of the areas of its six faces, which are combinations of the areas of rectangles and <em>right</em> triangles. Then, we proceed to determine the <em>surface</em> area:

A = (12 cm) · (4 cm) + 2 · (3 cm) · (4 cm) + 2 · (12 cm) · (3 cm) + 2 · 0.5 · (12 cm) · (5 cm) + (5 cm) · (4 cm) + (13 cm) · (4 cm)

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A = 276 cm²

With the help of the <em>area</em> formulae of rectangles and triangles and the concept of <em>surface</em> area, the <em>surface</em> area of the composite figure is equal to 276 square centimeters.

To learn more on surface areas: brainly.com/question/2835293

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7 0
1 year ago
HELP ASAP! what is the answer for 8x^2 + 25y?
ZanzabumX [31]

Answer:

8x2 + 25y

Step-by-step explanation:

Step  1  :

Equation at the end of step  1  :

 23x2 +  25y

Step  2  :

Final result :

 8x2 + 25y

Processing ends successfully

plz mark me as brainliest if this helped :)

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