# Math

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

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3. 👁 2,595
1. 8 I can't tell without the diagram.

9-12 I don't know.

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2. / c o n t e n t / m e d i a / 9 1 7 8 4 2 - 6 1 3 2 0 1 3 - 1 1 2 1 3 2 - AM - 8 4 5 7 9 7 7 2
add to the start connexus without the space and . j p g without the spaces

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3. jpg at the end and delete all spaces

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4. #9.
sides scale by 6, so since p=4s, 6(4s) = 6(10) = 60

#10.
a = bh/2, so
(6b)(6h)/2 = 36bh/2 = 36(24) = 864

#12.
correct, as long as the length is also reduced.

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posted by Steve
5. Here is the link for you.
/content/media/91842-112132-AM-8479772.jpg

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6. Useless asf

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posted by None ya
7. YEAR LATE! XDD

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8. your just said that a month ago "-"

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9. Why can nobody answer 11?

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posted by Memes
10. i dont know the answers

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12. yall It says the awnsers stupids

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posted by stupids
13. 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

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