The student council has decided to have a raffle at the carnival. They came up with a table to show the relationship between the
2 answers:
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Answer:
14.04 miles per hour
Step-by-step explanation:
The problem is asking for Izumi's speed. The formula of speed is:
- s =
, where "s" means speed, "d" means distance and "t" means time.
The problem is also asking for the unit<u> miles per hou</u>r () so, this means that we have to know how many miles Izumi ran, given that the problem only mentioned<u> yards (110 yards).</u>
Let's convert 110 yards to miles, provided that he Izumi ran 1,760 yards in a mile.
- 110 yards ÷ 1760
= 0.0625 miles (this is the distance covered by Izumi in miles)
Let's go back again to the formula: s =
s = = 0.0039
Since, the we arrived at a miles per second unit, we have to convert it to miles per hour.
So, if a minute has 60 seconds, then an hour has 3,600 seconds.
Thus, 0.0039 × 3,600
= 14.04 miles per hour (the answer)
Answer:
its 13
Step-by-step explanation:
7+6
d(-3 + x) = kx + 9
- Distribute d inside the parentheses.
-3d + dx = kx + 9
- Subtract kx from both sides.
-3d + dx - kx = 9
- Add 3d to both sides.
dx - kx = 9 + 3d
- Factor x out of dx - kx.
x(d - k) = 9 + 3d
- Divide both sides by d - k.
x =
- If you want to simplify this even more, factor 3 out of the numerator.