Isabella went to the salon and was charged $72.60 for a cut and color. She added 20% to the cost as a tip. If there is an 8% sal
2 answers:
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Answer:
(B) The inequality that represents this relationship is
Step-by-step explanation:
Let us assume the given number = x
⇒ 3 times the given number = 3 (x) = 3x
Square of the given number =
Now, According to the question:
The difference of (3 x) and 15 is no less than
⇒
or,
Hence, the given inequality is represented as
Line 1 and Line 4 are parallel lines
Solution:
General equation of a line:
y = mx + c
where m is the slope and c is the y-intercept of the line.
<u>To find the slope of each line:</u>
Line 1:
Slope
Line 2:
Add 7 on both sides, we get
Slope
Line 3:
Slope
Line 4:
Subtract x from both sides, we get
Multiply by on both sides, we get
Slope
<em>Two lines are parallel, if their slopes are equal.</em>
From the above slopes,
Therefore Line 1 and Line 4 are parallel lines.