Answer:
201.06
Step-by-step explanation:
Area of a circle = pi x r^2
= 201.06
Answer:
A(t) = -1.8t - 4.5
Step-by-step explanation:
Let the starting level of Mr. Mole is 'b'.
Since Mr. Mole is descending with respect to the ground, at the rate = 1.8 meters per minute
After time 't' altitude of Mr. Mole will be = b - 1.8t
If we represent the altitude of Mr. Mole with A(t).
Then the equation will be,
A(t) = b - 1.8t
Or, A(t) = -1.8t + b
At the time t = 5 minutes, his altitude was 13.5 meters.
So, -13.5 = -1.8×(5) + b
b = -13.5 + 9
b = -4.5
Now we substitute the value of b in the equation.
A(t) = -1.8t - 4.5
The answer to this question is <span>B. (sqrt 2, 315 degrees). This polar coordinate is the only coordinate with its angle in quadrant 4 and a length of √1^2 + (-1)^2 = √2.</span>
Answer:
$2.25
Step-by-step explanation:
last year price = $3.00
this year price = $3.00 - (25% × $3.00)
= $3.00 - $0.75
= $2.25
