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Dmitry [639]
2 years ago
7

What’s this someone answer 15 points

Mathematics
1 answer:
olga55 [171]2 years ago
8 0

Answer:

Option b

Step-by-step explanation:

Points (0, 1) and (1, -1)

  • y= -2x+1, x<1

Points (1, 1)  and (2, 0)

  • y= - x+2, x≥2

option b covers these

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Alexa used her compass to evenly divide the circumference of the circle below.
jok3333 [9.3K]

Answer:

  • triangle
  • square
  • hexagon
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Step-by-step explanation:

The 12 points marked can be divided into this many equal-size groups:

  3, 4, 6, 12

so the figures that can be constructed are ...

  • triangle . . . . connects every 4th mark
  • square . . . . . connects every 3rd mark
  • hexagon . . . .connects every other mark
  • dodecagon . . connects every mark

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12 is also divisible by 1 and 2, but the minimum number of vertices in a regular polygon is 3.

3 0
3 years ago
Pythagoras help needed please
boyakko [2]

Answer:

See explanation

Step-by-step explanation:

Find the diagonal of the square. The side of the square is 5 cm long. By the Pythagorean theorem,

\text{Diagonal}^2=\text{Side}^2+\text{Side}^2\\ \\\text{Diagonal}^2=5^2+5^2\\ \\\text{Diagonal}^2=25+25\\ \\\text{Diagonal}^2=50\\ \\\text{Diagonal}=\sqrt{50}=5\sqrt{2}\approx 7.07\ cm

If the square (being inside the circle) touches the circle, then the diagonal of the square is exactly the diameter of the circle. The diameter of the circle is twice the radius of the circle, so

\text{Diameter}=2\times 5=10\ cm

Since the diagonal is shorter than the diameter, the square can fit into the circle without touching the circle.

6 0
3 years ago
Round each number to the nearest tenth.
andreev551 [17]

Answer:For the first one 26.73 would turn into 27 and 89.42 would stay 89


Step-by-step explanation: Any number that is 5 or greater can be used to round any number.


7 0
3 years ago
Ms. Johnson is drawing a floor plan of her square room that has an area of 100 ft2. She is using the scale of 0.5 inch =2 ft. Wh
algol [13]

Answer:

it's 2.5 inches cool profile pic to

Step-by-step explanation:

3 0
3 years ago
The cost to a rent paddleboat at the city park includes an initial fee of $7.00, plus $3.50 per hour. Which equation models the
Aneli [31]
The equation would be y=7+3.5x
3 0
3 years ago
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