Answer:
s = sqrt(A - 25)/4
Step-by-step explanation:
A = 16s^2 + 25
Switch sides.
16s^2 + 25 = A
Subtract 25 from both sides.
16s^2 = A - 25
Divide both sides by 16
s^2 = (A - 25)/16
Take the square root of each side.
s = sqrt[(A - 25)/16]
s = sqrt(A - 25)/4
The perimeter is 16 units
Answer:
Since the shirt costs $43.76, and you paid the cashier $50.76; the change you will get back will be $7.
Step-by-step explanation:
$43.76-$50.76 =$7
Answer:
1) 25
2) (5+4)×2+6-(2×2)-1
Step-by-step explanation:
1) do exponents: 6×7-9×9+64,
do multiplication: 42-81+64,
do add & subtract: 25
2) (5+4)×2+6-(2×2)-1
(9)×2+6-(4)-1
18+6-4-1
=19
