Answer:
there are 25 students in the class and 15 who wear glasses.
Answer:
400cm
Step-by-step explanation:
Answer:
Step-by-step explanation:
step 1
Find the scale factor
we know that
If two figures are similar, then the ratio of its volumes is equal to the scale factor elevated to the cube
Let
z----> the scale factor
x----> volume of the larger solid
y----> volume of the smaller solid
we have
substitute
step 2
Find the surface area of the larger solid
we know that
If two figures are similar, then the ratio of its surface areas is equal to the scale factor squared
Let
z----> the scale factor
x----> surface area of the larger solid
y----> surface area of the smaller solid
we have
substitute
Answer:
270 if not simplified and
1/1 if simlifies
Step-by-step explanation:
x has two values 4 and 5 by factorization or using the general formula