The time that a dolphin can hold its breath underwater compared to the time a penguin can hold its breath underwater is represen
ted by the ratio 3 to 4. If a penguin can hold its breath for 20 minutes, how long can a dolphin hold its breath underwater?
1 answer:
Answer:
12 minutes
Step-by-step explanation:
3:4
?:20
5 times 4 is 20. So multiply 3 by 4. 3 times 4 is 12. A dolphin would hold its breath for 12 minutes.
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Sin41/2.5 = sin90/x
Sin90 x 2.5 = sin41 x X
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X=3.8
Answer:
Step-by-step explanation
subtract 8 from both sides
8-2x-8=-4x+4-8
simplify
-2x=-4x-4
add 4x to both sides
-2x+4x=-4x-4+4x
Simplify
2x=-4
divide both sides by 2
2x/2=4/2
simplify
x=-2
Answer:
yes
Step-by-step explanation:
5(3x+4)
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Step-by-step explanation:
<h3><u>Required Answer</u><u>:</u><u>-</u></h3>
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<h2>ATQ</h2>
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Answer: A is the right angle
Step-by-step explanation:
a. 20^2 + 15^2 = 25^2
400 + 225 = 625
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hope this helps :)
