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elena-s [515]
3 years ago
13

The perimeter of a triangle is

Mathematics
1 answer:
Firlakuza [10]3 years ago
5 0

Answer:

Side\ 3 = 6x - 7

Step-by-step explanation:

Given

Perimeter = 17x - 5

Side\ 1 = 3x + 5

Side\ 2 = 8x - 3

Required

Determine the length of the third side

The perimeter of a triangle is calculated as thus:

Perimeter = Side\ 1 + Side\ 2 + Side\ 3

Substitute values for Perimeter, Side 1 and Side 2

17x - 5 = 3x + 5 + 8x - 3 + Side\ 3

Collect Like Terms

17x - 5 = 3x + 8x + 5 - 3 + Side\ 3

17x - 5 = 11x + 2 + Side\ 3

Solve for Side 3

Side\ 3 = 17x - 11x - 5 - 2

Side\ 3 = 6x - 7

<em>Hence, the length of the third side is 6x - 7 units</em>

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You roll a standard number cube once. Find P(number greater than o).
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Answer:

6/6

Step-by-step explanation:

If a standard number cube has six sides and all the numbers are larger than 0 you have a 6/6 chance

3 0
4 years ago
Please help me fast!<br><br> Find the surface area of this cone. Show your work.
k0ka [10]

Answer:

The answer is 628 meters.

Step-by-step explanation:

The area for surface of a cone is pi times the radius (radius plus the square root of the height squared plus the radius squared).

Lol, i know this is really confusing, just look up surface area of a cone formula.

Height squared = 15 * 15 = 225

Radius squared = 8 * 8 = 64

225 + 64 = 289

The square root of 289 is 17

17 + 8 = 25

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8 0
3 years ago
Which best describes this quadrilateral?
Tomtit [17]

Answer:

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4 0
3 years ago
Read 2 more answers
You can do both problems if want
Agata [3.3K]
A= π r2 and v=3.14d

---Volume(v=3.14d):

3.14(15) equals 47.1

47.1 rounds to 47

nearest hundreth would be 0 that rounds to .1 or .10,which rounds to 47
v=47

---Area(π r2)

3.14(7.5)^2 is 3.14(56.25)
176.625

176.625 rounded to the nearest hundreth is 176.630.

Answer:

The area of a circle with the diameter of 15 is 176.630.
4 0
4 years ago
A washer and a dryer cost $832 combined. The washer costs $68 less than the dryer. What is the cost of the dryer?
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