Answer:
Step 1
Step-by-step explanation:
Mark simplified 3/5 + 5/8 using the steps below:
Step 1: 3/5 * 8/5
Step 2: 3 * 8 / 5 * 5
Step 3: 24/5
Step 4: 4 4/5
Mark's error is in Step 1 where he changed the addition sign to multiplication sign.
The correct solution is:
![Step 1: \dfrac{3}{5}+ \dfrac{5}{8}\\Step 2: \dfrac{24+25}{40}\\Step 3: \dfrac{49}{40}\\Step 4: 1\dfrac{9}{40}](https://tex.z-dn.net/?f=Step%201%3A%20%5Cdfrac%7B3%7D%7B5%7D%2B%20%5Cdfrac%7B5%7D%7B8%7D%5C%5CStep%202%3A%20%20%5Cdfrac%7B24%2B25%7D%7B40%7D%5C%5CStep%203%3A%20%20%5Cdfrac%7B49%7D%7B40%7D%5C%5CStep%204%3A%201%5Cdfrac%7B9%7D%7B40%7D)
Answer: 2
Step-by-step explanation:
I hope this helps!!!
Supplementary is when 2 angles add up to 180°.
180°-40°=140°
Answer:
(-6,0.5)
Step-by-step explanation:
(-9 + -3)÷2= -6
(-4 + 5)÷2=0.5
(-6,0.5)