Answer:
area of a triangle is 1/2×h×b
Step-by-step explanation:
1÷2×12×13
=78
Because y varies inversely as x, therefore

where k = constant.
When x = 6, y = 2.5. Ther efore

Cross multiply.
k = 6 x 2.5 = 15
The equation is

When x = 4, obtain

Answer: a. 3.75
Answer:
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Step-by-step explanation: