How did you put multiple pictures on this app? i can’t figure how to
Plug in a -20 wherever you see a b
(-20)^2 +4*-20-89/13
400 + -80-89/13
400 - 169/13
400-13
=387
Hope this helps
The scale factor is 1/3.
To find this scale factor, choose a set of sides to compare lengths. For example, taking the left sides of the triangles, which is 9 and 3. 9 is 3 times bigger than the triangle on the right, so that gives us the scale factor of 1/3.
Answer:
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Answer:
A =133.875 ft^2
Step-by-step explanation:
A = l*w
The length is 12.75 and the width 10.5
A = 12.75 * 10.5
A =133.875 ft^2