Let's start with what we know:
Smaller canvas:
Length (

) = 3ft
Width (

) = 5ft
Larger canvas:
Length (

) = ?
Width (

) = 10ft
Since these are similar rectangles, we can cross-multiply to calculate the missing length. Here's that formula:

So let's plug it all in from above:

Now we cross multiply by multiplying the top-left by the bottom-right and vice versa:


Now divide each side by 5 to isolate


The 5s on the right cancel out, leaving us with:

So the length of the larger canvas is
6 ft
Lets solve for b
step 1: flip the equation
bc+c=t
step 2:add -c to both sides
bc+c+-c=t+-t
bc=-c+t
step 3 : divide both sides by c
b=-c+t/c
answer:b= -c+t/c
hope this helps
Because the dilation is at the origin (0,0) multiply the coordinates by the scale factor.
L is at (-2,5) now.
The new location would be (-2 * 4 , 5 *4) = (-8,20)
Answer:
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Step-by-step explanation:
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