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mahmed78
22.05.2020 •
Mathematics
Calculate the quantity one-half times the square of 3/4 divided 4.75
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Ответ:
Step-by-step explanation:
PART A:
given![5+x-12=x-7](/tpl/images/0379/8907/a838b.png)
This is true for all values of x.
So,x∈
-∞,+∞![)](/tpl/images/0379/8907/9c8e9.png)
PART B:
When
,left hand side=![5+4-12=-3](/tpl/images/0379/8907/b53ce.png)
right hand side=![4-7=-3](/tpl/images/0379/8907/62e71.png)
so,left hand side =right hand side
When
,left hand side=![5+0-12=-7](/tpl/images/0379/8907/c04e7.png)
right hand side=![0-7=-7](/tpl/images/0379/8907/f4bc8.png)
so,left hand side =right hand side
When
,left hand side=![5+5-12=-2](/tpl/images/0379/8907/cd6ee.png)
right hand side=![5-7=-2](/tpl/images/0379/8907/7768e.png)
so,left hand side =right hand side