Answer:
option c is the correct ans .
because we can easily substitute the value of y in equn 2 to get value of x..
Answer:
To me, the third one is the best.
Note: y has been made subject of formula which makes it easy to substitute it into equation 2 and find x .
Step-by-step explanation:
Answer:7601.3
Step-by-step explanation:
Answer:
m2 = 50
Step-by-step explanation:
7x+1+18x+4=180
25x+5=180
25x=175
x=7
m2= 7(7)+1 = 50
Answer:
2.
Step-by-step explanation:
We have been given that lines b and c are parallel.
Since we know that vertical angles are always congruent. We can see that measure of angle 2 will be equal to as it is the measure of vertical angle of angle 2.
We can see that and form a linear pair, so they will add up to 180 degrees.
Now let us substitute value of x in the expression to find the measure of angle 2.
Therefore, the measure of angle 2 will be 50 degrees and 2nd option is the correct choice.
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