Answer:
20. 4n+5+8n-5=180(linear pair)
12n=180
n=15
21. 9x-6=8.5x+2(can be seen from image)
9x-8.5x=2+6
0.5x=8
x=8/0.5
x=80/5
x=16
22. 4z+3z+6=90°(Complementary)
7z+6=90°
7z=84°
z=12°
A horse can run 1 3/8 of a mile in 1 3/5 minute. How long does it take the horse to run 1 mile?
So what i would personally do first is convert the fractions into decimals.
1 3/8= 11/8= 1.375 of a mile
1 3/5= 8/5 =1.6 of a minute
Now we find the rate of change
I
Well think about it ....
1 yard = 3 ft so you'd do 3 times 4
1 foot = 12 inches so it'd be half of a foot
Answer:
5. 3/10
6. 7/12
7. 7/8
8. 4/3
Step-by-step explanation: Hope this helps!
1. 11.32
2. 69.12
Hope it helps
