Answer:
Fraction=1/5=0.2
Step-by-step explanation:
If the student is 4m away from the school bell and moves 20m away, it means that he is 5 times more distant from the school bell and therefore should listen 5 times less, that is, 1/5 of the original sound.
Note: this as long as the initial environment conditions of 4m are the same at 20m
Answer:
$36 if it's an annual rate. If it's a monthly rate it's $432
Step-by-step explanation:
Since it's such a high interest rate to pay, I think the logical rate would be annually because that's a lot of money for a bank to give
694
you just subtract 1212 by 518
694+518=1212
Answer:
16π ≈ 50.27 square units
Step-by-step explanation:
The equation is that of a circle of radius 4. The area of a circle is given by ...
A = πr²
A = π(4²) = 16π ≈ 50.27 . . . . square units
_____
The equation can be put into the standard form for a circle to find its radius.
(x^2 -2x) +(y^2 +6y) = 6 . . . . collect variable terms on the left
(x^2 -2x +1) +(y^2 +6y +9) = 6 + 1 + 9 = 16 . . . . . complete the squares
(x -1)^2 +(y +3)^2 = 4^2 . . . . . the radius is 4
Compare to the form ...
(x -h)^2 +(y -k)^2 = r^2 . . . . circle of radius r centered at (h, k)
Answer:
5 cars will be on the last ferry
Step-by-step explanation:
If you divide 149 by 8, you get 8.27.
Since each ferry can hold 18 cars, you multipy 18 by 8 which results in 144. Then you subtract 144 from 149 and you get 5 :)
