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Yuri [45]
3 years ago
11

Ian is going to use a computer at an internet cafe. The cafe charges an initial fee to

Mathematics
1 answer:
sergiy2304 [10]3 years ago
7 0

Answer:

C(t) = 6 + .4t

Step-by-step explanation:

Since there is a constant rate of 6 for the first 5 minutes, that would be a value itself. After that, it would always differ by .4 every minute, making this the function.

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Construct an equilateral triangle of side 7cm and construct circumcircle.
zalisa [80]

Answer:

To do this, all you need is to draw triangle with each side being 7 cm, and a circle that intersects all three of its corners.

Step-by-step explanation:

  1. With a ruler and a pencil, draw a 7cm line.
  2. With a compass set to a radius of 7cm draw an arc centered around the right end of the line.
  3. With the same compass, still at 7cm, draw an arc centered around the left end of the line.
  4. These two arcs will intersect on either side of the line (you only need one side, so you only need a small arc in the right place, roughly where you think the third point if the triangle is.
  5. Where those arcs intersect is the third point on your triangle.  Mark that, and then trace two lines from that point to either end of the line segment you started with.

<em>You now have an equilateral triangle with 7cm sides.  Next you need to draw the circle</em>

  1. Measure the halfway point on two of your three lines.
  2. Draw a line from that each of those halfway points to the opposite corner. The new lines you're drawing will be perpendicular to the edge your measuring against.
  3. You have now drawn two line segments, and they intersect in the center of the circle.  Now take your compass and set its radius to the distance from that center point to one of the three corner points.
  4. Centered on that middle point, trace a circle with the selected radius.

And you're done!

6 0
2 years ago
What two numbers add to get to 17 and multiply to get to -308
Triss [41]
11 and -28

11x-28=-308
11+-28=-17
5 0
3 years ago
Help and explain
krok68 [10]

Answer:

The surface area of the composite figure is 1108 square inches.

Step-by-step explanation:

The surface area of the composite figure (A_{T}) is equal to the sum of external faces of the rectangular and triangular prisms, all measured in square inches:

A_{T} = 20\,in \times 12\,in + 2\times 5\,in \times 12\,in + 2\times 20\,in \times 5\,in  + 2\times 20\,in \times 11\,in + 2\times \frac{1}{2}\times 12\,in \times 9\,in

A_{T} = 1108\,in^{2}

The surface area of the composite figure is 1108 square inches.

5 0
2 years ago
Rita bought a video game in Miami. The game was $40. Miami has a 7% sales tax. How much money did Rita pay for the video game in
Setler [38]

Answer:

7% of 40 is 2.8

40 + 2.8= 42.80

hope this helped

7 0
3 years ago
What’s the difference between 73 and 182
rodikova [14]

Answer:

the difference between 73 & 182=109

8 0
2 years ago
Read 2 more answers
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