Mathematics
01.07.2021 19:34
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When x + y = 30 and x 13, which of the following must be true? y = 30 y 17 y = 17

When x + y = 30 and x < 13, which of the following must be true? y = 30
y > 17
y = 17
y < 17
y > 30
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deadpoolcorvettehats
deadpoolcorvettehats
4,5(78 marks)

y>17

Step-by-step explanation:

x + y = 30 \\ 13 + y = 30 \\ y = 17 \\ for \: x < 13 \\ y  17

xxcynthistxx
xxcynthistxx
4,4(73 marks)

At 10 weeks

Step-by-step explanation:

100+15x=150+10x

15x=50+10x

5x=50 divided both sides by 5 and x=10

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