Answer:6x+126in^2
Step-by-step explanation:
a =15 long
b=x. Wide
A=ax
A=15x represenrs picture area
Add on each side of picture 3 in
a1=15+6=21 in
b1=x+6
Calculate area
A1=a1b1
A1=21(x+6)
Area of frame = A1-A
Area of frame=21(x+6)-15x=21x-15x+126=6x+126in^2
Answer:
1st blank: Variable
2nd blank: one
Step-by-step explanation:
It should be:
To solve an equation, you must apply the variable to one side of the equation.
This makes sense to me, but I'm not 100% positive.
Answer:
Z=18.5
Step-by-step explanation:
2(4z - 6 - 6) = 170 - 46
2(4z - 12) = 124 Use distributive property: a(b - c) = ab - ac
8z - 24 = 124 Add 24 to both sides
8z = 148 Divide both sides by 8
Answer:
X=4
Step-by-step explanation:
distribute the 4 to the ones in the parenthesis
-4x+28=12
move the 28 over and change the sign
-4x=-16
divide by -4
x=4
