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balu736 [363]
3 years ago
6

According to the Triangle Inequality, the length of the longest side of a triangle must be less than the sum of the length of th

e other two sides. The two shortest sides of a triangle measure 3/10 and x + 1/5, and the longest side measures 3/2x
Mathematics
1 answer:
Tresset [83]3 years ago
4 0

x has to equal 1. 3/10 + 1/5 = 1/2

the equation is now 1/2 + x = 1 1/2x

x = 1

1 1/2 = 1 1/2

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Find the equation of the axis of symmetry.<br>equation of axis of symmetry:​
sleet_krkn [62]

9514 1404 393

Answer:

  x = -4

Step-by-step explanation:

The axis of symmetry is the vertical line through the vertex. The vertex is the turning point, or minimum, of the function. It is (x, y) = (-4, 0). The x-coordinate there is -4, so the equation of the axis of symmetry is ...

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5 0
3 years ago
After the dimensions of an equilateral triangle are increased by a scale factor of 2.5, the perimeter is 45 units. What were the
Otrada [13]

Answer:

Original side of triangle = 6 units

Step-by-step explanation:

Given:

Perimeter = 45 units

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Computation:

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4 0
3 years ago
What is the coefficient of the variable in the expression 6-4x-8x+2
Daniel [21]

I think the trick is to add the two middle terms together.  (And the 2 end terms).

8 - 12x

The variable is x. The coefficient is - 12.

8 is a constant.

The coefficient always goes with a variable.

3x^2 + 2x + 5

Nothing can be combined.  The leading coefficient is 3 (which goes with the greatest power of the variable x^2 in this case) and the other coefficient is 2. 5 is a constant.  

6 0
3 years ago
Help ASAP pleaseeeeeeeeeeee
morpeh [17]

Answer:

21

Step-by-step explanation:

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Mark me brainliest i really need it

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natali 33 [55]

Answer:

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Step-by-step explanation:

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