Answer:
x = 20
Length = 20ft
Width = 12ft
Step-by-step explanation:
A = 240
x^2 - 8x = 240
x^2 - 8x - 240 = 0
x^2 - 20x + 12x - 240 = 0
x(x-20) + 12(x-20) = 0
(x+12)(x-20) = 0
x = 20
x = -12 (which we discard since x is a length)
So the dimensions are 20ft and 20-8 = 12ft
Answer:
the answer is b.13 meters
Step-by-step explanation:
a²+b²=c²
Answer:
$135
Step-by-step explanation:
180 decrease 25% =
180 × (1 - 25%) = 180 × (1 - 0.25) = 135
Answer:
<h3> 1)

</h3><h3> 2)

</h3>
Step-by-step explanation:
<h3>1)</h3>

<h3>2)</h3><h3>

</h3>
Answer:
take 45 degree as reference angle
use sin rule
sin 45=opposite/hypotenuse
1/
=b/10(do cross multiplication)
b
=10
b=10/
Step-by-step explanation: