Answer:
(b) 1:9
(c) 1:8
Step-by-step explanation:
(b) x*y : kx*ky, so 1:k² with k=3 is 1:9
(c) Assuming the rectangles get a z dimension, the volumes would have a ratio of xyz : xkykzk = xyz : xyzk³ = 1 : k³. With k=2 that is 1:8. But the z was never introduced so this is a bit inconclusive.
Answer:
reload the page it happens to me but that might mean your gonna have to watch the add again wait nvm it aint working
Step-by-step explanation:
Answer:
324 cubic inches
Step-by-step explanation:
The dimensions are now 18 x 18 x 1, since you are cutting an inch off each side.
324 cubic inches
The first and last choices are true.
Answer:
y = square root(x/7)
Step-by-step explanation:
switch x and y
x = 7y^2
solve for y
x/7 = y^2
square root(x/7) =y
y inverse is
y= square root(x/7)