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3 years ago

7

An emperor penguin is 45 inches tall. It is 24 inches taller than a rockhopper penguin. Write and solve an equation to find the

height h (in inches) of a rockhopper penguin. Is your answer reasonable? Explain

2 answers:

Law Incorporation [45]3 years ago

8 0

45-24 which is 21 because u have to subtract 24 inches to find the height of a rockhopper penguin.

sashaice [31]3 years ago

3 0

h = 45 - 24
h = 21
21 inches

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Sati [7]

Answer:

Justin's displacement is 12.65 km.

Step-by-step explanation:

Since Justin rides 12 km south, then 4 km west, his displacement can be determined by applying Pythagoras theorem to the sketch of his journey. Let his displacement be represented by s,

$/Hyp/^{2}$ = $/Adj1/^{2}$ + $/Adj2/^{2}$

$s^{2}$ = $/4/^{2}$ + $/12/^{2}$

= 16 + 144

$s^{2}$ = 160

⇒ s = $\sqrt{160}$

= 12.6491

s ≅ 12.65 km

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