1. The length of a piece of paper is 8.5 inches. Using scissors, you reduce the length of the paper to 4.25 inches. What is the scale factor of the dilation?
A. 1/4
B. 1/2
C. 2
D. 4
2. On a given blueprint, 1 inch = 30 feet. If the dimensions of a meeting room on the blueprint are 1.5 inches × 1.25 inches, what are its actual measurements?
A. 4.5 ft * 3.75 ft
B. 20 ft * 24 ft
C. 45 ft * 37.5 ft
D. 15 ft * 12.5 ft
3. Using 1 inch = 15 feet as the scale factor, what are the blueprint dimensions of a room in a model house that is actually 30 feet × 45 feet?
A. 2 in. * 3 in.
B. 3 in. * 2 in
C. 2 in. * 2 in.
D. 3 in. * 2 in.
4. The scale of a map is 1 inch = 30 miles. How many actual miles does 5.25 inches represent?
A. 157.5 miles
B. 175 miles
C. 1,575 miles
D. 1,750 miles
Q, 3 there is a repeat and it is stated that way I don't know why but if it was not meant to be repeated it could be D. 3 in. * 3 in.
31 answers
2. C
3. A
4. A
We see so much cheating here that I wondered if you copied these answers from someone else.
C
C
B
B
C
D
D
A
C
C
B
B
C
A
B
C
17: cross multiply
10/16 = w/112
16w = 1120
W=70
Striped golf balls = s
112-70= 42
18.
V (12,4)
W (-4,8)
X (-6,-4)
Y (6,-10)
19. They are not similar because none of the coordinates would divide or multiply to get the larger number. Example: take 2.4ft and multiply 3 you will get 7.2. Again, take 2.4ft and multiply 4 and you will get 9.4
20. Yes, they are equivalent. 4 x 21= 84
6 x 14= 84
5 answers