Answer:
Width = 7 cm
Length = 15 cm
Step-by-step explanation:
Let width = w
Length = w + 8
Area of rectangle = 105 sq. cm
length * breadth = 105
(w + 8)*w = 105
Use distributive property
w² + 8w = 105
w² + 8w - 105 = 0
Sum = 8
Product = -105
Factors = 15 , -7 {15 +(-7) = 8 & 15*(-7) = -105}
w² - 7m + 15m - 105 = 0
w(w - 7) + 15(m - 7) = 0
(w - 7)(w + 15) = 0
Ignore w + 15= 0 as measurements will not be in negative value
w - 7 = 0
w = 7
Width = 7 cm
Length = 7 + 8 = 15 cm
Answer:
$26.24
Step-by-step explanation:
Answer:
Option C (x < -5/4)
Step-by-step explanation:
((2 - 5x)/(-3)) + 4 < -x.
Take LCM on LHS:
(2 - 5x - 12)/(-3) < -x.
Multiplying -3 on both sides (this will also flip the inequality):
-5x - 10 > 3x.
Adding 10 on both sides and subtracting -3x on both sides:
-8x > 10.
Dividing -8 on both sides (this will also flip the inequality):
x < -5/4.
Therefore, Option C is the correct answer!!!
You subtract the base and since it's isosceles, the sides are the same therefore it's 36
