Because corresponding parts in a similar polygon is in proportion, 18/12=x/5
12x=90
4x=30
2x=15
x=15/2
Done!
If you have any more questions about this problem just comment and I will answer it for you, also I would really really appreciate it if you give me brainlliest!
Answer:
m = -1.3
Step-by-step explanation:
subtract 3.7 from both side so it gets you 2.4-3.7 = m
then you will get -1.3
Answer:
Step-by-step explanation: the answer is 222
Answer:
20 minutes
Step-by-step explanation:
70 minute classes times 3
Plus 2 breaks one in between 1st and 2nd class
And another in between 2nd and 3rd class
Which = 220 minutes
4 hours times 60 (because 60 minutes per hour)
Gives us 240 minutes
Then you subtract total time from time in classes and breaks
Which gives us 20 minutes for lunch time
She can run 8 miles because every mile it takes 8 minutes to do so all you had to do was divide 64 and 8