3 years ago

Work out an expression, in terms of x, for the perimeter of the shape. Simplify your answer.

Mathematics

1 answer:

sammy [17]3 years ago

7 0

Answer:1+3x+9+x+8+2x= 6x+9

so =3(x+3)

Step-by-step explanation:

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Find the length of the third side of triangle if its midline measures 45cm

azamat

Answer:

20 cm is the length of third side of triangle

Step-by-step explanation:

Length of 1st side = a

Length of 2nd side = 10cm = b

Length of 3rd side = 15cm = c

So,

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ryzh [129]

Answer:

The slope of the line is $\frac{1}{3}$

Step-by-step explanation:

The Slope of a Line

Suppose we know a line passes through points A(x1,y1) and B(x2,y2). The slope can be calculated with the formula:

$\displaystyle m=\frac{y_2-y_1}{x_2-x_1}$

It's given the points (1,3) and (-2,2). Let's calculate the slope:

$\displaystyle m=\frac{2-3}{-2-1}$

Calculating:

$\displaystyle m=\frac{-1}{-3}$

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