Annie96
  • Annie96
Determine whether the figures are similar. If so, determine the scale factor. Select one: a. yes; scale factor = 9/21 b. no c. yes; scale factor = 2/5 d. yes; scale factor = 3/7
Geometry
  • Stacey Warren - Expert brainly.com
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SOLVED
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chestercat
  • chestercat
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Annie96
  • Annie96
1 Attachment
campbell_st
  • campbell_st
are the ratios of corresponding sides the same so does QR/GF = RS/GH substitute the measures and check..
Annie96
  • Annie96
yes

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Annie96
  • Annie96
Solve the proportion to determine the value of x. 2x / 5 = x+3 / 3 Answer: Jane is traveling to Europe this summer with the French club. She plans to bring $300 to spend while she is there. If $90 in U.S. currency is equivalent to 63 euros, how many euros will she receive when she exchanges her money? Answer: Solve the proportion to determine the value of x. 5x-4 / 4x+7 = 13 / 11 Answer:
campbell_st
  • campbell_st
wow... so 21/9 = 10/4 or 2 2/3 = 2 1/2 I think you need to reconsider your answer to the similar figures question
Annie96
  • Annie96
so the answer would be c?
campbell_st
  • campbell_st
well for similar figures, all corresponding sides need to be in the same ratio so when you look at QR/GF and RS/GH are they the same values 21/9 does it equal 10/4 or after simplifying does 7/3 equal 5/2 ?
Annie96
  • Annie96
the answer would be b no?
campbell_st
  • campbell_st
correct
campbell_st
  • campbell_st
for 2x/5 = (x +3)/3 cross multiply and you get 6x = 5x + 15 now solve for x
Annie96
  • Annie96
x=15 @campbell_st
campbell_st
  • campbell_st
correct and the last question, same thing cross multiply 11(5x - 4) = 13(4x + 7)
Annie96
  • Annie96
x=45 @campbell_st
campbell_st
  • campbell_st
well I think its 3x = 47 55x - 44 = 52x + 91 then solve for x

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