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Paraphin [41]
3 years ago
9

Marcus arranged ​16 ​pencils into an ​array​. The array has​ 2​ columns How many ​rows ​are there?

Mathematics
2 answers:
Sunny_sXe [5.5K]3 years ago
6 0
16 divide by 2 = 8
Or
8+8=16
Anna71 [15]3 years ago
5 0

Answer:

8

Step-by-step explanation:

8+8=16

or

16 divided by 2= 8

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Step-by-step explanation:

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Please help with #12 im confused<br> that is the key but i dont get it
Svetllana [295]

Given Equation

\boxed{ \tt \: (8 \sqrt{3}  - 2 \sqrt{2} )(8 \sqrt{3}   + 2 \sqrt{2})}

Step by step expansion:

\dashrightarrow \sf \: (8 \sqrt{3}  - 2 \sqrt{2} )(8 \sqrt{3}   + 2 \sqrt{2})

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\dashrightarrow \sf \: (8 \sqrt{3})^{2}  - (2 \sqrt{2}  {)}^{2}

Reason:

(a + b)(a - b) = a²- b²

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\dashrightarrow \sf \: (8 {}^{2}  \times  { \sqrt{3} }^{2} )- (2 \sqrt{2}  {)}^{2}

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\dashrightarrow \sf \: (64  \times 3 ) - (2 \sqrt{2}  {)}^{2}

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\dashrightarrow \sf \: 192- 8

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~BrainlyVIP ♡

4 0
2 years ago
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The recipe calls for 10 serving and I need 30 what number would I multiply
ivolga24 [154]

Answer:30

Step-by-step explanation:

4 0
3 years ago
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3 years ago
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Afina-wow [57]
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so your answer would be 6 1/12
3 0
2 years ago
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