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Vikentia [17]
3 years ago
11

A submarine is diving to a total depth of 45 feet. It descends 15% of the total depth in 1 minute. How deep will the submarine b

e after 4 minutes?
Mathematics
2 answers:
miss Akunina [59]3 years ago
8 0
15% of 45 is 0.15 x 45 or 6.75 feet.  That's how far the submarine descended in 1 minute.  So, in 4 minutes the submarine would be 4 x 6.75 feet down which is 27 feet.
Marysya12 [62]3 years ago
5 0

Answer:

-27

Step-by-step explanation:

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2 less then 3 times a number is 9
Masteriza [31]

\huge\boxed{\text{As an expression:}\ 3x-2=9}

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Let's start with "3 times a number". We will use x to represent the number. 3x

"2 less than" is next. -2

Finally, "is 9". =9

Put it all together to get an expression. \boxed{3x-2=9}

Now, let's solve for the unknown number.

Add 2 on both sides of the equation. 3x=11

Divide both sides of the equation by 3 to isolate x. x=\boxed{\frac{11}{3}}

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3 years ago
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Degger [83]

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Step-by-step explanation:

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3 years ago
It is 5 cm between two buildings on a map that has a scale of 100 000:1. What is their actual
gayaneshka [121]

Answer:

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Step-by-step explanation:

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8 0
3 years ago
X+5=-12<br><br> Please Help!
qwelly [4]

<u><em>Answer: x=-17 and -17=x. *The answer should be the negative sign.*</em></u>

Step-by-step explanation:

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simplify.

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Hope this helps!

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3 years ago
Solve for x. help please
Varvara68 [4.7K]
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