Question

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Answer 1

Answer:

11

Step-by-step explanation:

10-4=6

6+5=11

Answer 2

Answer:

$\huge\boxed{z=6;\ x=12.5}$

Step-by-step explanation:

If two figures are similar, then corresponding sides are in proportion.

Therefore:

$\dfrac{z}{15}=\dfrac{4}{10}\qquad|\text{cross multiply}\\\\10z=(15)(4)\\\\10z=60\qquad|\text{divide both sides by 10}\\\\\boxed{z=6}$

$\dfrac{x}{5}=\dfrac{10}{4}\qquad|\text{cross multiply}\\\\4x=(5)(10)\\\\4x=50\qquad|\text{divide both sides by 4}\\\\x=\dfrac{50}{4}\\\\\boxed{x=12.5}$