The cost before tax for an order of CDs from Music & More store was $214.60. If the store ordered 20 equally priced CDs, and
2 answers:
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Answer:
Step-by-step explanation:
- Height of cone (h) = 7 cm
- Base radius (r) = 3 cm
- Formula for Volume of cone is given as:
- Plugging the values of h and r in the above formula, we find:
The total length of the steel used in the frame is 270 cm, if the decorative steel up of 6 stems and each stem is 45 cm.
Step-by-step explanation:
The given is,
Decorative steel made from circular circle of 6 stems
The length of the stem is 45 cm
Step:1
We need to find the total length of the steel used in the decorative steel,
Let, T - Total length of the steel
L - Length of the stem
n - Number of stems used in steel frame
Step:2
Formula to find the total length of the steel is,
×
From given,
= 45 cm
= 6 stems
Substitute the values in formula,
( 45 × 6 )
= 270
270 cm
Result:
The total length of the steel used in the frame is 270 cm.