Step-by-step explanation:
The domain of A(r) is The expression for A(r) is
Let's write A(r) as simply A and divide the equation by to get
We can complete the square on the left hand side by adding 16 to both sides:
Taking the square root of the equation above and then solving for r, we get
Answer:
Step-by-step explanation:
<u><em>The complete question in the attached figure</em></u>
we know that
The triangle PAB is a right triangle because the sum of ∠APB and ∠PAB is equal to 90 degrees
so
In the right triangle PAB
----> by SOH (opposite side divided by the hypotenuse)
substitute the given values
solve for AB
Answer:
1
Exact Form:
1
x= __
5
Decimal Form:
x=0.2
Step-by-step explanation:
Sandy is 42 and Karen is 27
Because 27+15=42 and 42+27= 69