Answer:
A = 400 ft²
Step-by-step explanation:
The area (A) of a triangle is calculated as
A = bh ( b is the base and h the vertical height ) , then
A = × 20 × 40 = 10 × 40 = 400 ft²
What is 61.12÷3.2 uses to expressions.
1 answer:
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Answer:
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Step-by-step explanation:
Using the sine ratio in the right triangle
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Answer:
31000 dollars were invested at 4% interest rate.
16000 dollars were invested at 5% interest rate.
Step-by-step explanation:
Convert the interest rate into decimal and then write down two equations to solve for the unknowns.
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