3 years ago

LOOK AT THE PHOTO HELP ME PLEASE

Mathematics

1 answer:

ICE Princess25 [194]3 years ago

3 0

Answer:

30°

Step-by-step explanation:

$m\angle 2=m\angle 3$

(Alternate angles)

$\because m\angle 3 =30\degree$ (Given)

$\therefore m\angle 2 =30\degree$

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A formula is expressed as D= a(2+kt). Express k in the terms of D, a and t? (Show work)

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$SIMPLIFIED \: \: ALGEBRA \\ \\ \\\\We \: are \: given \: - \\ \\ \: \\ D \: = \: a \: ( \: 2 + kt \: ) \\ \\ D \: = \: 2a \: + \: akt \: \\ \\ D \: - \: 2a \: = \: akt \: \\ \\ \frac{D \: - \: 2a}{at} \: = \: k \\ \\ \\ Therefore \: , \: in \: terms \: of \: D \: , \: \: a \:, \: \: and \: \: t \: \\ \\ k \: = \: \frac{D - 2a}{at \: } \: \: \: \: \: \: \: Ans.$