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gwendallinesikes
23.02.2021 •
Mathematics
Need help due today please
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Ответ:
f(x) = -7(x-5)^2 +5
f(-1) = -7(-1-5)^2 +5
f(-1) = -7(-6)^2+5
f(-1) = -7(36)+5
f(-1) = -252+5
f(-1) = -247
Let me know if this helps!
Ответ:
-247
Step-by-step explanation:
f(-1) = -7((-1)-5)^2
Ответ:
Let x be the first, smallest, side. Then x+2 would represent the second smallest side and x+4 would represent the largest side. Since the perimeter is 201,
x+(x+2)+(x+4) = 201
Combining like terms, we have
3x+6 = 201
Subtract 6 from both sides:
3x = 195
Divide both sides by 3:
x = 65
This means the next side is 65+2 = 67 and the largest side is 65+4 = 69.
The three sides are all different which makes the triangle scalene.
The largest side is 69 inches.