The price of an item is $35 but you have to pay $38.22 what is the sale tax rate?
1 answer:
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Answer:
Step-by-step explanation:
Area of the trapezoid = area of rectangle + 2 * area of triangle
Area of a triangle = 1/2 bh
= 1/2 * 13 * 7
= 45.5 units²
Area of a rectangle = L × B
= 15 × 13
= 195 units²
Area of the trapezoid = [195 + 2 * (45.5)]
= 195 + 91
= 286 units²
Answer:
D) 1/5 e 1/3
Step-by-step explanation:
You have the following quadratic equation:
(1)
In order to find the values of x that are solution to the equation (1), you first find the solution for k in the following equation:
Next, you replace the previous value of k in the equation (1) and you use the quadratic formula to find the roots:
Then, the roots of the equation (1) are
D) 1/5 e 1/3