prettygirl1053480
24.01.2020 •
Mathematics
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which pair of ratios forms a proportion?
1. 4/5 and 16/24
2. 9/15 and 3/4
3. 5/8 and 30/48
4. 9/10 and 40/45
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Ответ:
Ответ:
Ответ:
Step-by-step explanation:
Given,
x=-1
And the expression is-
Plugging in x=-1 we get
=
=2(1)+5+9
=2+14
=16
Answer should be 16 here.
Could you write the expression again please?