Javier earns money taking care of lawns on his neighborhood.He charges $12.00 a yard to weed, $20.00 a yard to mow, $15.00a yard
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The area of the triangle is 14.1 square meters
<h3>How to determine the triangle area?</h3>The side lengths are given as:
5m, 6m and 9m
Calculate the semi-perimeter (s) using
s = (5 + 6 + 9)/2
Evaluate
s = 10
The area is then calculated as:
This gives
Evaluate the products
Evaluate the exponent
Area = 14.1
Hence, the area of the triangle is 14.1 square meters
Read more about areas at:
#SPJ1
Answer:
Step-by-step explanation:
we have
----> equation A
----> equation B
Solve the system by substitution
step 1
isolate the variable x in the equation A
----> equation A1
step 2
Substitute the equation A1 in the equation B
Solve for y