Answer:
look it up. maybe
Step-by-step explanation:
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Answer:
When graphing a linear inequality on a number line, use an open circle for "less than" or "greater than", and a closed circle for "less than or equal to" or "greater than or equal to". To CHECK an inequaltiy, it is not possible to test every value.
Step-by-step explanation:
Answer:
10
Step-by-step explanation:
Answer:
x, y. and 40 are the angles of a triangle.
x+y+40=180
x+y=140
difference between x and y is 30.
x−y=30 (2)
2x=170
⇒x=85
Substitute this value n equation (2), we get
85−y=30
⇒y=85−30
⇒y=55
angles of a triangle are x=85, y=55 and 40.
Step-by-step explanation: