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3 years ago

What is the value of d to the nearest tenth?

Mathematics

2 answers:

Galina-37 [17]3 years ago

7 0

Answer:

d=13.8

Step-by-step explanation:

secant-secant theorem: (a+b)b=(c+d)d

(14+20)14=(16+d)16

34*14=256+16d

476=256+16d

220=16d

d=13.75

igor_vitrenko [27]3 years ago

5 0

Answer:

$\frac{14}{16}=\frac{20}{d}$

$14d=16\cdot \:20$

Multiply 16 × 20

$14=320$

Now, Divide both sides by 14

$\frac{14d}{14}=\frac{320}{14}$

$d=22.9$

OAmalOHopeO

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