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2 years ago

If a = 7, b=5 and c=3, what is the value of 3b2 (3b squared)

Mathematics

2 answers:

lorasvet [3.4K]2 years ago

5 0

Answer:

Step-by-step explanation:

3×(5) squared becomes 3× 25=75

ser-zykov [4K]2 years ago

3 0

Answer:

225

Step-by-step explanation:

You are only paying attention to B in this.

3b also means 3 multiplied by b or in this case 3 multiplied by 5, which is 15

Then you would have 15 with an exponent of 2

For exponents you multiply the original number by itself for the number of exponents (2= n multiplied by itself)

This would mean that you would have to do 15 by 15 getting your answer of 225

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2 years ago

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Answer:

Step-by-step explanation:

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3 years ago

~PLEASE HELP!~

Gwar [14]

I'm not sure, but what I got was -8.5, since it is only stating that it is -17 and 5, and you need to figure out Point B, when it is between A and 0. So, you don't pay attention to 1-5. You only want -17 through 0. -17 divided by two would be -8.5

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3 years ago

The volume v of a gas kept at constant temperature varies inversely with the pressure p. If the pressure is 24 pounds per square

daser333 [38]

Answer:

$V=12\ ft^{3}$

Step-by-step explanation:

we know that

A relationship between two variables, x, and y, represent an inverse variation if it can be expressed in the form $y*x=k$ or $y=k/x$

In this problem

$P*V=k$

step 1

Find the value of K

For $P=24\ psi ,V=15\ ft^{3}$

substitute

$24*15=k$

$k=360$

the equation is $P*V=360$

step 2

For $P=30\ psi ,V=\ ft^{3}$

substitute in the equation

$(30)*V=360$

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3 years ago

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chubhunter [2.5K]

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Step-by-step explanation:

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