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3 years ago

-3p-(-8+4p) combining like terms & distributive property

Mathematics

2 answers:

Nutka1998 [239]3 years ago

8 0

Work: -3p-(-8+4p)
Distribute
-3p+8-4p
Combine
-7p+8
Answer: -7p+8

Hope that helps

Brums [2.3K]3 years ago

8 0

<span>-3p -(-8 + 4p)

First distribute. Multiply each number inside the parentheses by -1.
-3p + (-1*-8) + (-1*4p)
-3p + 8 - 4p

Now combine -3p and -4p.
-7p + 8

</span>-7p + 8 is the answer.

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Sholpan [36]

Answer:

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Step-by-step explanation:

Based on my reading the critical damping occurs when the discriminant of the quadratic characteristic equation is 0.

So let's see that characteristic equation:

20⁢r^2+c⁢r+80⁢=0

The discriminant can be found by calculating b^2-4aC of ar^2+br+C=0.

a=20

b=c

C=80

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c^2-4(20)(80)=0

Simplify:

c^2-6400=0

Add 6400 on both sides:

c^2=6400

Take square root of both sides:

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Based on further reading damping equations in form

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3 years ago

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PtichkaEL [24]

Answer:

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Step-by-step explanation:

what multiples to 14, but add to -9 ?

-7*-2 = 14

-7*-2= -9

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3 years ago

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Oksanka [162]

Answer: 6 hours

Step-by-step explanation:

Taylor cannot spend over $260.

Subtract the cost of the part needed for the repair:

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As the labor costs $30 and now she cannot exceed $180 for labor, the total number of hours the mechanic can work is:

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