Tina practiced piano for 15 hours last month and 45 hours this month. Use multiplication to write a statement comparing the hour
2 answers:
Answer: Hours by Tina practiced this month is 3 times the hours she practiced last month such that 15 x 3 =45 hours.
Step-by-step explanation:
Given : Duration of Tina practiced piano last month= 15 hours
Duration of Tina practiced piano this month= 45 hours
We can see 45 is a multiple of 15 such that
Therefore, Hours by Tina practiced this month is 3 times the hours she practiced last month such that 15 x 3= 45 hours.
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Side of base of square, a = 10 km.
Height of pyramid , h = 12 km.
Volume of pyramid is given by :
Surface area is given by :
Therefore, volume and surface area are 400 km³ and 340 km² respectively.
Hence, this is the required solution.
Answer:
1725.1 feet
Step-by-step explanation:
It is given that there is a right angled triangle having a base of length of 130 feet. The angle between the hypotenuse and the base is given as 85.691 degrees.
Therefore, to find the height, we know :
h = 13.27 x 130
= 1725.1 feet
Therefore, the height of the Eiffel tower = 1725.1 feet