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timama [110]
3 years ago
8

Does anyone know how to simplify this -4i(2+3i)???

Mathematics
2 answers:
MatroZZZ [7]3 years ago
6 0

Answer:

assuming that i is a complex number then -8i+12=4(3-2i)

Artist 52 [7]3 years ago
3 0

Answer:

4i

Step-by-step explanation:

-4i(2+3i)

-8i-12i

4i

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Quadrilateral PQRS is a square whos side length is 10. Let X and Y be points outside the square so that XQ = YS = 6 and XP = YR
erik [133]

Answer:

392

Step-by-step explanation:

Triangles XQP and YRS are right triangles because triples 6, 8, 10 are Pythagorean triples.

Extend lines XQ, YR, YS and XP and mark their intersection as A and B.

Quadrilateral XAYB is a square because all right triangles PXQ, QAR, RYS and SBP are congruent (by ASA postulate) and therefore

  • all angles of the quadrilateral XAYB are right angles
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Segment XY is the diagonal of the square XAYB, by Pythagorean theorem,

XY^2=XA^2+AY^2\\ \\XY^2=14^2+14^2\\ \\XY^2=196+196\\ \\XY^2=392  

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3 years ago
A school has 1500 students. Given that 3% of them were late for school on a particular day, find the no of students who were pun
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Answer:

1455

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3 years ago
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kkurt [141]

Answer:

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Step-by-step explanation:

multiply 85.73 by 120% bc there is the price of the meal and 20% of the original price

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Help me please I’m going INSANE
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