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laila [671]
3 years ago
7

Please I need help on this question!!???

Mathematics
2 answers:
KonstantinChe [14]3 years ago
5 0
18in x 40in  Half of 80 is 40, half of 36 is 18
9in x 20in  1/4 of 80 is 20, 1/4 of 36 is 9
Varvara68 [4.7K]3 years ago
5 0
You just set up a proportion. 
36/80=18/x
x= 40
36/80=x/20
x=9

The first answer is 40, and the second is 9

hope this helps (:
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Answer:

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Step-by-step explanation:

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Total people = 21 + 28 = 49 people

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yKpoI14uk [10]

Answer:

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Step-by-step explanation:

The domain is the set of all x values in the function. The range is the set of all y values in the function. It is written in parenthesis from least to greatest. Do not repeat values even if the function has them more than once.

1. Domain: (3, 5, 7, 8, 11)  

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2. Domain: (-3, -1, 2, 5, 7)  

Range: (-7, -5, -4, 5, 9)

6 0
3 years ago
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Step-by-step explanation:

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