1.
Write the ratio in the simplest form.
50: 10
(1 point)
25: 5
10: 2
5: 1*
1: 5
2.
Solve the following proportion
x over 2 = 8 over 9 (1 point)
144
0.44
1.78*
36
3.
Sarah’s mother has a miniature village modeled after her home town. The model is 10 feet long and 7 feet wide. The actual village is 7 miles long. What is the village’s actual width? If necessary, round to the nearest tenth of a mile. (1 point)
4.9 miles*
10 miles
1 mile
0.7 mile
4.
Find the unit rate for 306 miles in 10 hours. (1 point)
0.03 miles/hour
30.6 miles/hour*
306 miles/hour
3,060 miles/hour
5.
In six months, 33.6 gallons were used. Find the unit rate. (1 point)
3.6 gallons/month
4.6 gallons/month
5.6 gallons/month*
6.6 gallons/month
6.
On a recent day, one U.S. dollar was worth 1.09 euros. If you were to exchange 157 euros on that day, how many U.S. dollars would you have received? (1 point)
$110.09
$144.04*
$155.91
$171.13
8.
Two ladders are leaning against a wall at the same angle, as shown. How long is the short ladder?
(1 point)
6 ft
15 ft
20 ft*
30 ft
9.
The sides of a square are increased by a scale factor of 6. The perimeter of the smaller square is 10 ft. What is the perimeter of the larger square? (1 point)
10 ft
40 ft* just a guess
60 ft
120 ft
10.
A right triangle has an area of 24 ft2. The dimensions of the triangle are increased by a scale factor of 6. What is the area of the new triangle? (1 point)
48 ft2
72 ft2
144 ft2*
864 ft2
11.
Figure A’B’C’D’ is a dilation of figure ABCD. Find the scale factor. Classify the dilation as an enlargement or a reduction.
(1 point)
Scale factor one-third; reduction
Scale factor one-fourth; reduction
Scale factor 3; enlargement*
Scale factor 4; enlargement
12.
The width of a poster board is 30 inches. Using scissors, you reduce the width of the poster board to 10 inches. What is the scale factor of the dilation? (1 point)
one-third*
one-tenth
3
10
13.
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? (1 point)
4.5 ft × 3.75 ft
20 ft × 24 ft
45 ft × 37.5 ft*
15 ft × 12.5 ft
14.
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? (1 point)
2 in. × 3 in.*
3 in. × 2 in.
2 in. × 2 in.
3 in. × 2 in.
15.
The scale of a map is 1 inch = 25 miles. How many miles does 1.25 inches represent? (1 point)
25 miles
31.25 miles*
62.5 miles
49.25 miles
Ms. Sue please help me. also * means my choice.
8 I can't tell without the diagram.
9-12 I don't know.
All of your other answers are correct! Great!
1.c
2.c
3.A
4.b
5.c
6.b
8.c
9.b
10.c
11.c
12.A
13.c
14.A
15.b
>_< I dont have those answers
i dont know the answers
Anybody have the answers?
yall It says the awnsers stupids
these right
use brainly or do your test with someones help or srtudy idfk but im try my best so should u
I have 4 questions...
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add to the start connexus without the space and . j p g without the spaces