The two triangles in the diagram are similar. there are 2 possible values of x.

i have managed to work out what x is but i’m not sure what to put in terms of the assumptions.

x = 2

Step-by-step explanation:

Given data: The two triangles in the diagram are similar.

AB = 10 cm, AC = x cm, AE = 15 cm, AD = 3 cm

By similar triangles property,  

Do cross multiply

⇒ 10 × 3 = 15 × x

⇒ 30 = 15x

⇒ 30 ÷15 = 15x ÷ 15(By division property of equality)

⇒ x = 2

Hence, the possible value for x is 2.

the expression (1.26)2t reveals the approximate rate of increases in the number of plants semiannually.

hope this : )

step-by-step explanation:

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