Answer:
The second and fourth one is right
Step-by-step explanation:
A²+ B² = C²
15² + 20² = 25²
225 + 400 = 625
625 = 625
16² + 30² = 34²
256 + 900 = 1156
1156 = 1156
They both check out
4000
100 - 14 = 86
Here we shall take 86 to obtain the number easily
X × 86/100 = 3440
X = 3440 × 100 / 86
So X = 40 × 100
X = 4000
The equation given is:
c(x) = 4/3x + (-4)
Plug in 3 and solve:
c(3) = 4/3(3) + (-4)
c(3) = 12/3 + (-4)
c(3) = 4 + (-4)
Answer: c(3) = 0
Hope I helped!
-Char
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