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scoray [572]
3 years ago
7

Select all answers that apply. Wave diffraction depends on the:

Mathematics
1 answer:
g100num [7]3 years ago
3 0
Speed of the waves because a wave can get faster
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Which of these best defines the term “narrator”?
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B) : the character or voice that tells a story in a narrative

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Paulo works at the United Nations. He researched what percent of the world's population lives on each continent. He surveys a sa
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confidence interval using a  two sample t test between percents

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3 years ago
Solve 10+(-15)-5=-5 true, false, open
marysya [2.9K]
False because the answer would be -10
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3 years ago
(6y^2-7y-3)-(2y^2-9y-7) simplify
madreJ [45]
6y^2-7y-3-2y^2+9y+7 (pretend that you're multiplying -1 to 2y^2-9y-7 which is why 9y and 7 are positive now).
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6y^2-2y^2= 4y^2
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4y^2+2y+4

Might want to check my math but that's how you do it.
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3 years ago
Factor this expression completely, then place the factors in the proper location on the grid. 9x2 - y2
andreev551 [17]

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{ \tt{ {9x}^{2} -  {y}^{2}  }} \\  = { \tt{( {3x)}^{2} -  {y}^{2}  }} \\  = { \tt{(3x - y)(3x + y)}}

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2 years ago
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