Answer:125
Step-by-step explanation:
x*25=125 x=125
All the angles should add up to 360°.
8x+10x+9+21x-12+90=360°
Group like terms together.
So,8x+10x+21x+9+90-12=360
39x+87=360
39x=360-87
39x=273
x=7
Answer:
1/40 or 0.025
Step-by-step explanation:
Answer:
Step-by-step explanation:
Marco practiced for only 7/10 hour on Monday (less than the expected 1 1/4 hour) and 1 5/6 hours on Tuesdays.
What was the total number of hours spent by Marco on Monday and Tuesday?
What was the total number of hours that he was supposed to practice at minimum?
How much longer did he actually practice, total, on Monday and Tuesday (or, if applicable, what was the deficit)?
