Posted by **Lilly** on Monday, November 12, 2012 at 12:33pm.

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

- algebra, HELP! -
**PsyDAG**, Monday, November 12, 2012 at 1:12pm
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.

- algebra, HELP! -
**Lilly**, Monday, November 12, 2012 at 2:06pm
:(

- algebra, HELP! -
**Cathrin**, Sunday, December 2, 2012 at 1:15pm
Umm well on #9 I think it's 80 because 4x20 =80.. am I correct?

- Algebra -
**Emily**, Friday, November 15, 2013 at 11:30pm
It says this site is homework help, why don't you evaluate it for her? She needs help!

- algebra, HELP! -
**Emilyy**, Saturday, January 7, 2017 at 9:33pm
Can you a least try and we could try to help you ;)

## Answer This Question

## Related Questions

- Algebra 1 - The perimeter of the rectangle shown below is 16a+2b. Which ...
- 2nd grade math - If you have a rectangle with 24 square units 3 lines down 8 ...
- Math for Steve - 1. Write the ratio in the simplest form. 45 : 15 a. 9 : 3 b. 3...
- math - the lengths of corresponding sides of similar rectangles have a ratio of ...
- Algebra 1 - The perimeter of a rectangle equals the sum of the lengths of its ...
- Steve Math - 1. Write the ratio in the simplest form. 45 : 15 a. 9 : 3 b. 3 : 1 ...
- Pre-Algebra - A rectange has dimensions of 1 and 6. Another rectangle was drawn ...
- Math - The perimeter of rectangle Z is equal to its area.Rectangle Y has the ...
- algebra - The perimeter of a rectangle equals the sume of the lengths of its ...
- algebra - The perimeter of a rectangle equlas the sum of the lengths of its four...

More Related Questions