diamondgdm
27.02.2021 •
Mathematics
Math can someone please help I’m struggling
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Ответ:
it's the last one
Step-by-step explanation:
hope this helped <3
Ответ:
The answer would be (-4,3).
Ответ:
see the attachment
Step-by-step explanation:
It helps to follow along the proof and consider how you get from here to there.
In the 5th line, we have a sum in symbols.
In the 7th line, we have an expression with a number on the right side, and a statement that says we got there by subtraction.
Then we expect line 6 to have a sum with numbers whose difference is 40°. (That eliminates the 3rd and 4th choices.)
The way you get from an expression with symbols to an expression with numbers is to make a substitution of numbers for symbols. Hence the appropriate choice is the one shown below.