May someone help me with these to questions ASAP.. it’s an math question

Mathematics

1 answer:

lubasha [3.4K]3 years ago

4 0

Answer:

20 is not a coefficient

True - constants are numbers that donʻt have a varible

Step-by-step explanation:

I hope this helps stay safe and have a good day! Can i get a brainiest if correct?

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Which expressions is not equivalent 2x^2+10x+12?

sergeinik [125]

Answer:

Step-by-step explanation:

First, factor the original expression:

As we can see, D is the same as above. Eliminate D.

Go through each of the answer choices.

This is equivalent to what we factored. Eliminate A.

This is again equivalent to what we factored. Eliminate B.

This cannot be simplified and it is not equivalent to what we have previously. C is not the equivalent expression.

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GalinKa [24]

Answer: So when you double the radius, the area goes up by 4 times because 2 squared is 4. The area will always go up by the square of how much the radius goes up. By contrast, the circumference will only double -- from 12.56 to 25.12 because you do not square the radius (or diameter) -- you just multiply it by pi.

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Solve the system by finding the determinants and using Cramer's Rule: 2x - y = 4 3x + y = 1

Ahat [919]

Answer:

(1, - 2)

Step-by-step explanation:

2x - y = 4

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A = $\left[\begin{array}{cc}2&-1\\3&1\end{array}\right]$ = 2(1) - 3( - 1) =2 + 3 = 5