It’s Number 5. You are wrapping a cube shape present that is 9 inches tall. How much wrapping paper will you need to wrap the wh
ole present?
1 answer:
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a. The store charges $94.5 for the skis
b. 150% of the original price is the final price
Step-by-step explanation:
The given is:
- A store that sells skis buys them from a manufacturer at a wholesale price of $63
- The store’s markup rate is 50%
We need to find at what price the store charges its customers for the skis and
what percent of the original price is the final price
∵ The store buys the skis at $63
∴ The cost price of the skis = $63
∵ The store’s markup rate is 50%
- Find the amount of 50% of the cost price
∵ 50% of 63 = × 63 = 31.5
∴ the store's markup the cost of the skis by $31.5
- To find the selling price add 31.5 to the cost price
∴ The selling price of the skis = 63 + 31.5 = $94.5
a. The store charges $94.5 for the skis
To find what percent of the original price is the final price divide the final price by the original price then multiply the quotient by 100%
∵ 94.5 ÷ 63 = 1.5
∵ 1.5 × 100% = 150%
∴ The final price is 150% of the original price
b. 150% of the original price is the final price
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Answer:
see the explanation
Step-by-step explanation:
we have the quadratic equation
This is a vertical parabola open downward
The vertex is a maximum
Find the x-intercepts of the quadratic equation
The x-intercepts are the values of x when the value of y is equal to zero
so
For y=0
Solve the quadratic equation
The formula to solve a quadratic equation of the form
is equal to
in this problem we have
so
substitute in the formula
therefore
This parabola has two x-intercepts representing the times when the dolphin's height above water is zero feet