B)
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If the regular selling price of a silk scarf is $49 and the markdown rate is 38%, what is its sale price?
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Surface area of square pyramid having square base side = 10 cm and slant height = 20 cm is 340 square meters
<u>Solution:</u>
Given that
Shape of the roof is square pyramid.
Base length of square pyramid roof = 10 meters
Slant height of square pyramid roof = 12 meters
Need to calculate the surface area of the roof
Where s is side of square base and l is slant height.
In our case s = 10 meters and l = 12 meters
On substituting the given values in formula we get
Surface area of square pyramid
Hence surface area of square pyramid having square base side = 10 cm and slant height = 20 cm is 340 square meters.
Answer:
Step-by-step explanation:
<em>The question is mixed up with details of another question. See comment for original question</em>
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<u>Given</u>
Solving (a): Solve for time
We have:
Cross multiply
Make t the subject
Solving (b): Solve for distance
We have:
Cross multiply