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Allushta [10]
3 years ago
15

Multiple the binomials (x+3)^2

Mathematics
1 answer:
maxonik [38]3 years ago
8 0

Answer:

=x^2+6x+9

Step-by-step explanation:

\left(x+3\right)^2\\\mathrm{Apply\:Perfect\:Square\:Formula}:\quad \left(a+b\right)^2=a^2+2ab+b^2\\a=x,\:\:b=3\\=x^2+2x\cdot \:3+3^2\\\mathrm{Simplify}\:x^2+2x\cdot \:3+3^2:\quad x^2+6x+9\\x^2+2x\cdot \:3+3^2\\\mathrm{Multiply\:the\:num\\bers:}\:2\cdot \:3=6\\=x^2+6x+3^2\\3^2=9\\=x^2+6x+9

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I think it's 4 times 3 is the more number for 12.

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2 years ago
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What number is 2 * 10 ^100
Studentka2010 [4]

Answer:

2.00000000e+100

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2

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8 0
2 years ago
I need the answer for this question.
Grace [21]
If the whole angle (ABC) is equal to 133, we can add angles ABD and DBC to find x.

10x+13=133
Subtract 13 from both sides to get
10x=120
Divide both sides by 10 to get that x=12

We can now plug the value of x into ABD to find its measure.
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Simplifies to 84+4, which is 88

So angle ABD is equal to 88 degrees.

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8 0
3 years ago
11. Find the value of the expression: -7 + 11 - 6 + 8<br> Your answer
Dvinal [7]
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6 0
3 years ago
Please help me out!!!!
Kobotan [32]

Answer:

All real numbers

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2 years ago
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