# algebra, HELP!

9.
The sides of a rectangle are increased by a scale factor of 4. The perimeter of the smaller rectangle is 20 cm. What is the perimeter of the larger rectangle? (1 point)

320 cm
80 cm
120 cm
60 cm

10.
A right triangle has an area of 13 m2. The dimensions of the triangle are increased by a scale factor of 3. What is the area of the new triangle? (1 point)

39 m2
169 m2
117 m2
142 m2
12.
The width of a picture is 20 cm. Using a color copier, you reduce the width of the picture to 5 cm. What is the scale factor of the dilation? (1 point)

5
1 over 5
4
1 over 4

13.
On a given blueprint, 1 inch = 16 feet. If the dimensions of the bedroom on the blueprint are 0.75 inches × 1.5 inches, what are its actual measurements? (1 point)

16 ft × 32 ft
12 ft × 24 ft
16 ft × 24 ft
12 ft × 32 ft

14.
Using the same scale factor, what are the blueprint dimensions for a room that is 20 feet x 28 feet? (1 point)

1.5 in. × 2.5 in.
1.25 in. × 2.25 in.
1.25 in. × 1.75 in.
1.5 in. × 1.75 in.

15.
The scale of a map is 1 in.:75 mi. How many actual miles does 0.85 inches represent? (1 point)

88.2 miles
63.75 miles
95.6 miles
4,781.3 miles

1. 👍
2. 👎
3. 👁
1. We do not do your homework for you. Although it might take more effort to do the work on your own, you will profit more from your effort. We will be happy to evaluate your work though.

1. 👍
2. 👎
2. Umm well on #9 I think it's 80 because 4x20 =80.. am I correct?

1. 👍
2. 👎
3. It says this site is homework help, why don't you evaluate it for her? She needs help!

1. 👍
2. 👎
4. Can you a least try and we could try to help you ;)

1. 👍
2. 👎
5. b
c
d
a
c

1. 👍
2. 👎
6. is raelynn right

1. 👍
2. 👎
7. no! SCREW YOU RAELYNN!!

1. 👍
2. 👎
8. thanks raelynn

1. 👍
2. 👎

1. 👍
2. 👎
10. Thanks Raelynn for lying.

1. 👍
2. 👎
11. WOW SHE LIED FR, YALL JUST GOT FINESSED 😂😂😭

1. 👍
2. 👎
12. oop

1. 👍
2. 👎
13. Scoopity woop scoop de woop de

1. 👍
2. 👎
14. Um...…… What are the answers

1. 👍
2. 👎
15. What are the for 9-16

1. 👍
2. 👎
16. That's what I'm saying

1. 👍
2. 👎

1. 👍
2. 👎
18. We all have some questions that are different...here are my answers... please leave a thumbs up if there right so other ppl get this help:)
1.3:1
2.p=5.25
3.49 inches
4.37.21
5. 6.95 gallons/month
6.\$144.04
7.30 in.
8.28 ft
9.112 ft
10. 142 m2
11. scale factor 3;enlargement
12. 1/2
13. 24ft times 21 ft
14. 2.4 in. times 3.6 in.
15.63.75
16.17 feet
Have a great day:)

1. 👍
2. 👎
19. Lilly posted this question on 2012. I am pretty sure she has graduated school by now so don't mind answering...

1. 👍
2. 👎

## Similar Questions

1. ### Math for Steve

1. Write the ratio in the simplest form. 45 : 15 a. 9 : 3 b. 3 : 1 c. 1 : 3 d. 4 : 1 4. Jake sold 39 tickets to the school fair, and Jeanne sold 12 tickets. What is the ratio, in simplest form, of the number of tickets Jeanne sold

2. ### Math

1. Write the ratio in the simplest form. 50:10 (a) 25:5 (b) 10:2 (C) 5:1* (D) 1:5 2. Solve the following proportion. p/6=7/8 (a) p=5.25 (b) p=8 (c) p=10.5* (d) p=42 3. Chris's uncle has a model car. The model is 6 inches long and

3. ### Math

In the scale drawing below each side is .38 cm long. Use the scale factor 1cm=6.5m. What is the perimeter of the actual object?

4. ### Math help ms sue.

Multiple Choice 1. Write the ratio in the simplest form. 45:15 (1 point) 9:3 3:1 1:3 4:1 2. Solve the following proportion. r over five equals nine over twenty-one (1 point) r = 2.14 r = 9 r = 11.66 r = 37.8 3. Sarah’s mother

1. ### Math

What is the scale factor from rectangle EFGH to rectangle ABCD?

2. ### Calculus

A rectangle has area 64 m2. Express the perimeter of the rectangle as a function of the length L of one of its sides. State the domain of P. (Assume the length of the rectangle is larger than its width. Enter your answer using

3. ### Geometry

#4 Which could be the scale factor of the following similar figures? (1 point) The first triangle's sides are 9,9,12 The second triangles sides are 6,6,8 A.) 2/3 B.) 3/4 C.) 1 D.) 3/2 E.) 4/3 My answers: b & c

4. ### math

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. a 2.5 ft b 10 ft c 60 ft d 120 ft

1. ### Geometry

2 similar rectangles have areas of 6in and 24 in. What is the scale factor of the smaller rectangle to the larger rectangle?

2. ### geometry

A rectangle has a diagonal 20 inches long that forms angles of 60 and 3o with the sides. Find the perimeter of the rectangle.

3. ### Math

The sides of a rectangle are increased by a scale factor of 4. The perimeter of the smaller rectangle is 20 cm. What is the perimeter of the larger rectangle?

4. ### 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