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3 years ago

Can someone please explain how to get this answer? Recursive formula help!t(1)=3 (in picture)

Mathematics

1 answer:

kipiarov [429]3 years ago

3 0

T(1) = 3, t(n) = -2t(n-1) + 1
So t(2) = -2(t(1)) + 1 = -2(3) + 1 = -5
t(3) = -2(t(2)) +1 = -2(-5) +1 = 11
t(4) = -2(t(3)) +1 = -2(11) +1 = -21
t(5) = -2(t(4)) +1 = -2(-21) +1 = 43

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olga_2 [115]

Answer:

1. Yes

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by SAS

2. Yes

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3. Yes

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4. Yes

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5. Yes

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5. Yes

∆JKL ~ ∆XYW

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6. No

7. Yes

∆BEF ~ ∆NML

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8. Yes

∆GHI ~ ∆QRS

by SSS

9. x=22

10. x=12

Step-by-step explanation:

1. RS/WS=ST/SX and m<RST=m<WSX

2. AB/PQ=8/6=4/3

BC/QR=AC/PR=12/9=4/3

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and m<TSU=70°=m<PJM

4. DK/PR=8/4=2

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and m<DKJ=65°=m<PRZ

5. RT/ST=UT/LT

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