Answer:
the common ratio is 3
Step-by-step explanation:
to solve for the common ratio, I like to take the second term and divide it by the first term
15/5 = 3
then I will check the rest of the terms
15*3 = 45
45*3 = 135
It looks like the common ratio is correct!
Answer:
10 in
Step-by-step explanation:
Old proportions:
2 x 3
New proportions
h x 15
Assuming the painting has been increased by a constant scale factor.
Where x is the unknown scale factor, and h is the height after it has been enlarged.
Rearrange second equation:
Substitute:
You didn't provide the possible answers, but the smallest length of time will result in the least amount of interest.
Answer:
3 meters
Step-by-step explanation:
Square root of 9 is 3 (3x3 = 9) so if all the sides are the same, they must all be 3 meters
