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Roman55 [17]
3 years ago
5

Jeremy's soup is too hot to eat. He gets a cold spoon and stirs the soup

Mathematics
1 answer:
Yuki888 [10]3 years ago
4 0
The answer to this question is B because the heat is transferred onto the spoon from the soup
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Which of the following is a perfect square trinomial?
shutvik [7]

Answer:

A.

Step-by-step explanation:

Take a look at what happens when squaring either of these...

(ax-by)^2=(ax-by)(ax-by)=a^2x^2-2abxy+b^2y^2\\\\(ax+by)^2=(ax+by)(ax+by)=a^2x^2+2abxy+b^2y^2\\

Notice a couple of patterns.

1.  The last term has a positive coefficient.  That rules out answer choices C and D.

2.  The coefficient of the middle term is either +2ab \text{ or } -2ab .  So what are <em>a</em>  and <em>b</em>?  <em>a</em> is the square root of the x^2 term and <em>b</em> is the square root of the y^2 term.

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3 years ago
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klio [65]
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4 years ago
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Feliz [49]

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\large\boxed{y\in(-6,\ \infty)}

Step-by-step explanation:

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(2)\\\\4y-4\geq12\qquad\text{add 4 to both sides}\\\\4y-4+4\geq12+4\\\\4y\geq16\qquad\text{divide both sides by 4}\\\\\dfrac{4y}{4}\geq\dfrac{16}{4}\\\\y\geq4

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7 0
3 years ago
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Sophie [7]

Answer:

C is -2

Step-by-step explanation:

because A its 6

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5 0
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