ANSWER: 2y^2 + 13y +51 r(219/y-4)
picture explanation too:
Answer:
The total distance covered in 1 hour is 4000 meters.
Step-by-step explanation:
The distance Ami'yan runs is 15 minutes = 1 kilometer
Using the unit formula,
The distance ran in 1 minute = ![(\frac{1}{15} ) \textrm{Kilometer}](https://tex.z-dn.net/?f=%28%5Cfrac%7B1%7D%7B15%7D%20%29%20%5Ctextrm%7BKilometer%7D)
Now, 1 hour = 60 minutes
⇒The distance covered in 60 minutes = 60 x (Distance run in 1 minute)
= ![60 \times \frac{1}{15} = 4](https://tex.z-dn.net/?f=60%20%5Ctimes%20%5Cfrac%7B1%7D%7B15%7D%20%20%20%20%3D%204)
So, the distance covered in 1 hour = 4 kilometer
1 kilometer = 1000 meters
⇒ 4 km = 4 x 1000 meters = 4000 m
Hence, the total distance covered in 1 hour = 4000 meters.
12x + 5 - 4x + 2x² =
= 2x² + 12x - 4x + 5 = <u>2x²</u><u> </u><u>+</u><u> </u><u>8x</u><u> </u><u>+</u><u> </u><u>5</u>
Answer:
C
Step-by-step explanation:
b + 1/4b = 39,000
1.25b = 39,000
b = 31,200