(3.6x - 1.9)4 = 28.4
3.6x - 1.9 = 7.1
3.6x = 7.1 + 1.9
3.6x = 9
x = 9 / 3.6
x = 2.5 (value of x)
3.6(2.5) - 1.9 = 7.1 (side length)
you want to multiply it by 4 because right now its only showing one side. perimeter is all 4 sides combined
Answer:
Step-by-step explanation:
Hello, first we can develop (x+a)(x+b)
We know that this should be equal to
So, we can identify the coefficients of the like terms
1 = 1 (terms in
1 = a + b (terms in x)
-72 = ab (constant term)
72 is 8 * 9 so, -72=9*(-8)
and we have 9 - 8 =1
so, a = 9 and b = -8
Thank you
F (x)= x+12 is the inverse of the function
Answer:
<u>y=7</u>
Step-by-step explanation:
4(y-10) = -12
4y - 40 = -12
+40 +40
4y = 28
<u>y = 7</u>
<u />
(multiply 4 times y and by <u>-10</u>)
(add 40 to both sides)
(divide both sides by 4)