In the diagram of the park to the right, ADF ~ BCF. The crosswalk at point A is about 40yd long. A bridge across the pond will be built, from point B to point C. What will the length of the bridge be?

is this part of a question or something

1. 3. can also be expressed as (22/7)

2. -4.5

3. 3.6

happy to

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dilation scale factor 2: starting with δabc, draw the dilation image of the triangle with a center at the origin and a scale factor of two. notice that every coordinate of the original triangle has been multiplied by the scale factor (x2). dilation with scale factor 2, multiply by 2.

step-by-step explanation:

the ratio of red paint to blue paint is always 9/7. that means that, whatever x's value, (4x+12)/(4x-4) has that same ratio. so, set up an equation and cross-multiply to solve for x:

9/7 = (4x+12)/(4x-4)

9(4x-4) = 7(4x+12)

36x - 36 = 28x + 84

8x - 36 = 84

8x = 120

x = 15