The sale tax on the purchase of a refrigerator that cost 695 is 7 percent.What is the amount of sales tax
1 answer:
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Answer:
Step 1 :
Split the figure into 3 parts
part 1: triangle with base = 7 + 2 + 6 = 15in, height = 7in
part 2 : Rectangle with breadth = 3 + 6 + 2= 11in and length 8in
Part 3 :Rectangle with breadth 2in and length 9in
Step 2 :
find the area of each part
Area of part 1
Area of part 2
Area of part 3
Total area = 52.5 + 88 + 18 = 158.5 sqaure inches
Answer:
r = -0.9997
Step-by-step explanation:
A statistics calculator gives the value
r = -0.9997
You can see in the graph below that it represents an excellent negative correlation between x and y.
Every point appears to be exactly on the regression line .
