Heather paid $2,022.30 for a computer. If the price paid includes a 7% sales tax, which if the following equation can be used to
determine the price of the computer after tax?
(Let x represent the cost of the computer and y represent the total cost after tax.)
(Let x represent the cost of the computer and y represent the total cost after tax.)
2 answers:
Answer:
D)
Step-by-step explanation:
The Total cost, price plus taxes, will given by
1) Dividing the tax 7 by 100, and write it in its decimal form:
2) Add the number 1, and make it a constant
This function fits to calculate the total cost after a 7% tax. In this case just plug $2,022.30 for x, then solve for y to have the total cost.
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Answer:
80 square units
536.6
Step-by-step explanation:
First one.
2 Trapezoids
A = x h
A = x 2
A = 16
One rectangle
A = b x h
A = 6 x 8
A = 48
Total Area = 16 + 16 + 48 = 80
Second one:
Two triangles:
A =
A =
A =
A = 43.3
One large rectangle
A = b x h
A = 30 x 15
A = 450
Total Area = 450 + 43.3 + 43.3 = 536.6