$-3(m-2n)=12\ \ \ \ \ |:(-3)\\\\m-2n=-4\\\\\text{Solve for m:}\\\\m-2n=-4\ \ \ \ |+2n\\\\\boxed{m=2n-4,\ n\in\mathbb{R}}\\\\\text{Solve for n:}\\\\m-2n=-4\ \ \ \ |-m\\\\-2n=-m-4\ \ \ \ |:(-2)\\\\\boxed{n=\dfrac{m+4}{2},\ m\in\mathbb{R}}$

4 0

3 years ago

Original cost $62 markup percentage 35%

AfilCa [17]

So take 62 * .35 = 21.7 so
62+ 21.7 =83.7
So the cost of the item after markup is $83.70
If u wanna round to a full dollar is $84.00

7 0

4 years ago

Read 2 more answers

When it is 7:00, the hour hand on an analog clock is 210 ahead of the minute hand. How many minutes elapse (to three significant

bixtya [17]

Step-by-step explanation:

Below is an attachment containing the solution.

5 0

3 years ago

Pls help with this problem

34kurt

Answer:

E = 4.5, F = -6.25, D = -3.25

Step-by-step explanation:

3 0

3 years ago