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Kitty [74]
2 years ago
9

Draw an equilateral triangle of perimeter 10 centimetres.​

Mathematics
1 answer:
3241004551 [841]2 years ago
4 0

Answer:

See attachment for triangle

<em></em>

Step-by-step explanation:

Given

Shape: Equilateral triangle

Perimeter = 10cm

Required

Draw the triangle

First, we determine the side lengths.

The perimeter of an equilateral triangle is:

Perimeter = 3 * Length

So, we have:

10= 3 * Length

Solve for Length

Length = \frac{10}{3}

Length = 3.33

<em>See attachment for triangle</em>

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Vadim26 [7]

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Subtract 85 from each side:          c/4  =  14

Multiply each side by  4 :                 <em> c  =  56

</em>
3 0
3 years ago
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Given the area of a triangle is 25x2 + 10x - 8 and the base is 5x + 4, write the algebraic expression for the height.
agasfer [191]

Answer:

the height is 5x-2

Step-by-step explanation:

factor 25x^2+10x-8=(5x-2)(5x+4)

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2 years ago
Neil has 3 partially full cans of white paint.They contain 1/3 gallon,1/5 gallon,and 1/2 gallon of paint.About how much paint do
Wittaler [7]

Answer:

  less than 1 1/2 gallons

Step-by-step explanation:

1/3 + 1/6 = 1/2, so the sum of the three cans is more than 1 by the difference between 1/5 and 1/6. That difference is 1/30 gallon. The sum is 1 1/30 gallons, which is less than 1 1/2 gallons.

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A suitable common denominator is 2·3·5 = 30. Then the sum of the fractions is ...

  1/3 + 1/5 + 1/2

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In decimal, 1/3 ≈ 0.333, 1/5 = 0.200, 1/2 = 0.500, so the sum is ...

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Answer:

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Step-by-step explanation:

2x^2 + 8x - 3 = 0

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x = [ -8 +/- sqrt (8^2 - 4*2*-3) ] / 4

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8 0
3 years ago
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Hunter-Best [27]

D=12/132=165/h

Hope dis helps! :D

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