If x=1,y=3,z=4 evaluate x^2+y^2+z^2-3yz^2
1 answer:
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Answer:
The markup rate is 51% on the cost
Step-by-step explanation:
Price of book = 7.99
Cost to the store = 5.29
The markup rate is a term used to figure what percentage is added on to the cost of the item to find its selling price.
If we subtract cost from the price we will know how much is added to actual cost: 7.99 - 5.29 = 2.7
Markup rate is 0.51*100 = 51%
Answer:
Step-by-step explanation:
It is given that A 14 foot ladder is leaning against a building. The ladder makes a 45 degree angle with the building, then let AC=14 foot and ∠C=45°and AB be the length of the building.
Thus, using the trigonometry, we have
Substituting the given values, we get
⇒
⇒
⇒
⇒
Thus, the length of the building will be .
