tanoah7623
04.10.2019 •
Mathematics
The sum of 2 numbers is 80.the ratio of these 2 numbers is 3: 5.find the larger number
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Ответ:
Let's assume a the smaller number,b the larger.
a+b=80
a/b=3/5==>a=3/5*b
3/5b+b=80
==>8/5b=80
==>b=80*5/8
==>b=50
a=80-50=30
The lager number is 50
Ответ:
vertical
Step-by-step explanation:
When two lines intersect, 4 angles are formed. Two non-adjacent angles are called vertical angles.
vertical