The midpoint is: (-4.5,8.5)
Answer:
Step-by-step explanation:
The sum of two consecutive even numbers is 38. What is the smaller number?
Answer:
$1,080
Step-by-step explanation:
To solve, we can make a proportion
14 lessons are $210 and 72 lessons are $x
14/210=72/x
Cross multiply
14*x=210*72
14x=15120
To solve for x, we need to get x by itself. Since x is being multiplied by 14, divide both sides by 14.
14x/14=15120/14
x=1080
So, 72 lessons will cost $1,080
-320. The negative sign represents loss. In all of the other cases, values are either being added or not changed at all.
Answer:
ok.
Step-by-step explanation:
