1. Questions

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. 👁
Lilly

  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. 👍
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    PsyDAG

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

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    Cathrin

  4. It says this site is homework help, why don't you evaluate it for her? She needs help!

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    Emily

  5. Can you a least try and we could try to help you ;)

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    Emilyy

  6. b
    c
    d
    a
    c

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    raelynn

  8. is raelynn right

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    Duece

  9. no! SCREW YOU RAELYNN!!

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    Canandler Bong

  10. thanks raelynn

    1. 👍
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    I LOST, 43 MILLION DOLLARS AND I DID IT DELIBERATELY

  12. please don't lie

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    UGH OK

  13. Thanks Raelynn for lying.

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    Raelynn is wrong >:(

  14. WOW SHE LIED FR, YALL JUST GOT FINESSED 😂😂😭

    1. 👍
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    Y’all for trusting her!

  16. oop

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    pablo

  17. Scoopity woop scoop de woop de

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    pablo

  18. Um...…… What are the answers

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    Um...........

  20. What are the for 9-16

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    PIEFACE

  21. That's what I'm saying

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    That's what I'm saying

  22. what are the answers???

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    BRUH

  24. 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:)

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    Jacob

  25. Lilly posted this question on 2012. I am pretty sure she has graduated school by now so don't mind answering...

    1. 👍
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    JV

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