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Semmy [17]
3 years ago
6

A tennis player hits a serve that cannot be returned 45 percent of time. out of 300 serves, how many can you predict will not be

returned
Mathematics
2 answers:
Aleks [24]3 years ago
8 0
135 ; If you are allowed to use a calculator to determine percents you can do 300 × 45% = and it gives you your answer.
Travka [436]3 years ago
5 0

Answer:

Answer:

135

Explanation:

45% means 45 out of 100

Serving 300 times means 45 not returned each 100

300 /100 = 3

  45 × 3 = 135

Step-by-step explanation:


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4.) Which best describes the relationship between < AFB and < AFD?
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Answer:

C. Supplementary angles

Step-by-step explanation:

Given

<AFB = 72

Required

Relationship of <AFB and <AFD

<AFB and <AFD are on a straight line and angle on a straight line is 180

From the presentation of both angles,

<AFB + <AFD = 180

Substitute 72 for <AFB

72 + <AFD = 180

Make <AFB the subject of formula

<AFD = 180 - 72

<AFD = 108

Since both <AFB and <AFD sums to 180, then they are supplementary angles.

Hence, the relationship between both angles is supplementary angles

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