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xxaurorabluexx
31.07.2019 •
Mathematics
Afirefighter places a 29 feet ladder, so that the base of the ladder is 21 feet from the wall. what is the height at which the top of the ladder touches the wall?
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Ответ:
a^2+b^2=c^2 (C^2 always is the hypotenuse)
21^2+b^2=29^2
441+b^2=841
841-441=400
square root of 400 is 20
Your answer is 20
Ответ:
y=0.1x+3
Step-by-step explanation:
The slope is 0.1, (Y2-Y1/X2-X1) --> (2.5-3)/(-5-0)= -0.5/-5=0.1
The y-intercept is 3
y=0.1x+3