shiba8667
25.02.2022 •
Mathematics
Sarah wants to buy a TV and a VCR. The store she visits has 7 different kinds of TVs and 4 different kinds of VCRs. How many possible combinations of a TV and a VCR does Sarah have to choose from?
a.4
b.7
c.11
d.28
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Ответ:
7*4=28
Ответ:
A=h/2(a+b) solver for h
2A=h(a+b)
2A/(a+b)=h (Solution)