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nikdorinn [45]
3 years ago
14

NEEDED NOW

Mathematics
1 answer:
nirvana33 [79]3 years ago
7 0

15·0.8 + x = 30·0.9 --> x = 15

C. is the correct answer

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18+(-4)-2/7j-6/7j+5=
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The length of a rectangle is represented by the function L(x) = 5x. The width of that same rectangle is represented by the funct
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3 years ago
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What is the absolute value of the complex number -4-√2
Zepler [3.9K]
|a+bi| = √(a² + b²)

-4-√2 i -> take a = -4 and b = -√2

|-4-√2 i| = √[ (-4)² + (<span>-√2)² ]
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the absolute value is 3√2</span>

6 0
3 years ago
X2 + 8x + 6
Svetradugi [14.3K]
You could put the ‘+6’ at the start of the equation so it would read as +6(x2+8x) and then expand the bracket as you normally would so you would get x2x6 which would get you 12x and then 6x8x which would get you 48x and then you could group both numbers together as they’re like terms and your final answer would be 60x
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My homework lesson 2 order of operations
djyliett [7]
Not sure what your question is but if you are learning the order of operations you can use the phrase "Please Excuse My Dear Aunt Sally"....

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Exponents
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Hope this help :)
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