The three inside angles of a triangle need to equal 180 degrees.
Add the 3 equations together and set to equal 180:
7x+4 + 5x+3 + 2x+5 = 180
Simplify by combining the like terms:
14x + 12 = 180
Subtract 12 from each side:
14x = 168
Divide both sides by 14:
x = 168/14
x = 12
Answer:
77
Step-by-step explanation:
Substitute the value of the variable into the equation and simplify.
The smaller number, x from the inequality x + 2x + 6 < 50 is x < 14.67
<h3>Inequality</h3>
x + 2x + 6 < 50
3x + 6 < 50
3x < 50 - 6
3x < 44
x < 44/3
x < 14.6666666666666
Approximately,
x < 14.67
Therefore, the smaller number, x is approximately x < 14.67
Learn more about inequality:
brainly.com/question/25275758
#SPJ1
Answer:
B. cost(time)
Step-by-step explanation:
In the information given above, you can eliminate choices "A," and "D," since they're just using the cost of a repair and the time the mechanic works. This leaves us with either "B," or "C." The correct answer is "B," because the cost of the repair depends on whatever is inside the parenthesis (the time).
