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Maru [420]
2 years ago
9

A. {-3, 7, 8, 12} B. {-8, -3, 5, 7} C. {6, 8, 10, 12} D. {-8, -3, 5, 6, 7, 8, 10, 12}

Mathematics
1 answer:
navik [9.2K]2 years ago
6 0
The answee is most def But
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The square root of -12 × the square root of -9 (THIS IS AN ALGEBRA 2 QUESTION)
nlexa [21]

Answer:

\sqrt{-12} = 2\sqrt{3} i\\\sqrt{-9}= 3i\\3i * 2\sqrt{3}i = -6\sqrt{3

Step-by-step explanation:

5 0
3 years ago
The surface area of this regular pyramid is 1040 cm2. The base is a regular pentagon with side b = 16 cm and slant height l =15
Valentin [98]

Answer:

(a) = 11 cm

Step-by-step explanation:

The formula for finding the surface area of a regular pyramid is B + (1/2*P*l), with B being the area of the base, p being the perimeter of the base, and l being the slant of the pyramid.

The area of a pentagon can be solved using the formula 1/2*a*p, with a being the apothem and p being the perimeter of the pentagon.

  1. B + (1/2*80*15) = 1040
  2. B + 600 = 1040
  3. 1040 - 600 = 440 (440 is the area of pentagon)
  4. 1/2*a*(16*5) = 440
  5. 40*a = 440
  6. 440/40 = 11

The apothem is 11 cm. Hope this helps!

6 0
2 years ago
Uno de cada 8 frutos es naranja Cuantas naranjas habrá aproximadamente en una canasta de 400 frutos?
ankoles [38]
X=(1/8)*400=50 naranjas en total
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Select the correct statement for the graph
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Does someone know how to find the area of this?
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Answer:

Lenthg times width

Step-by-step explanation:

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