3 years ago

Please answer both ASAP I am stuck

Mathematics

1 answer:

andrew-mc [135]3 years ago

4 0

Answer:

1st question: BD=88

2nd question: AB=24

Step-by-step explanation:

1st question:

BD is the total length (7x-10) which is equal to BC+CD [(4x-29)+(5x-9)]

so we have:

7x-10=9x-38

28=2x

x=14

BC= 4*14-29=27

CD= 5*14-9=61

BD=88

2nd question:

Since BD=BC

5x-26=2x+1

3x=27

x=9

AC=BC+AB

BC=2*9+1=18+1=19

43=19+AB

AB=24

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