Answer:
45°
Step-by-step explanation:
The angles of any triangle add up to 180 degrees
add the two known angles: 47+88=135
then subtract the sum from 180 to get answer: 180-135=45
By solving the linear equation it can be obtained that
The value of x is 2
What is a linear equation?
At first it is important to know about equation
Equation shows the equality between two algebraic expressions by connecting the two algebraic expressions by an equal to sign.
A one degree equation is known as linear equation.
The given linear equation is
0.3 = 0.5x - 0.7
0.5x = 0.3 + 0.7
0.5x = 1
x = 
x = 2
The solution of this linear equation is x = 2
To learn more about linear equation, refer to the link-
brainly.com/question/28732353
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She would earn $49.70 per day because $248.50 divided by the number of days (5) would equal $49.70 per day. You can check your work by working backwards. If she earned $49.70 each day for 5 days, she would have $248.50.
Y2-y1 -5-(-8) 3
____ = _____ = ___ = -3/7
x2-x1 2-9 -7