3 years ago

Please Help Me ASAP!!! Factor completely. x^2 + 5x + 6 Enter your answer in the box.

Mathematics

2 answers:

Kamila [148]3 years ago

6 0

Answer:

Answer is (x+3)(x+2)

3 time 2 equal 6

While 3 plus 2 equal 5

plz mark brainliest if this helps!

frutty [35]3 years ago

5 0

Answer:

(x+2)(x+3) Is the completed factorization. Hope it helps you out!

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3 years ago

2. Suppose (220)_b and (251)_b are the squares of consecutive integers. Determine b.

Andrei [34K]

Let $x$ and $x+1$ be these consecutive integers. For some base $b$ , we can write

$(x_{10})^2=220_b=2b^2+2b$

$((x+1)_{10})^2=251_b=2b^2+5b+1$

$x^2=2b^2+2b$

then

$x^2+1=2b^2+2b+1$

Now,

$x^2+2x+1=2b^2+5b+1$

$2x+2b^2+2b+1=2b^2+5b+1$

$\implies2x=3b$

Squaring both sides gives

$4x^2=9b^2$

and so

$4(2b^2+2b)=9b^2$

$\implies8b^2+8b=9b^2$

$\implies b^2-8b=0\implies\boxed{b=8}$

(because the base has to be non-zero)

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3 years ago

9+7r>r–3≥7r+3

Ymorist [56]

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2 years ago

The Mackinac Bridge in Michigan is the third-longest suspension bridge in the United States.

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A: 60.66 m
b:8.04 km

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2 years ago

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beks73 [17]

The person above me is right. It’s A , you have to add

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