Energy from 1 bottle last 7.5 min
1 glass cost = 2.5 $
Since it cost 5$ for 1 kg and the bottle weight 1/2 kg
6*60 =360 min ( is in 6 hours)
2.5/? =7.5/360
? = 120 $
Answer:
81/64
Step-by-step explanation:
(-8)^-2
----------------
3^-4
Negative exponents move the item from the numerator to the denominator, and from the denominator to the numerator
(3)^4
----------------
(-8)^2
Now evaluate the power
81
---------
64
If it's add you subtract if it's subtract you add
Answer:
7.5km/h
Step-by-step explanation:
Given data
Distance= 15km
Time = 2 hours
We know that the expression for the speed is
Speed= distance/time
Substitute
Speed= 15/2
Speed= 7.5 km per hour
Hence the speed is 7.5km/h
Step-by-step explanation:
quarter circle means that you just find the are and then divide it by 4.
hence,
(3.14 × 8²) ÷ 4 = answer
the answer is 50.24 cm²
hope this helps.