Y = -9x - 10
The dolphin is diving 9 feet per second so the rate of change is -9.
It's also 10 feet below sea level which makes the y-intercept -10
Hope this helped!
Answer:
6 units
Step-by-step explanation:
use the distance formula to find the new length of JK, which is J'K'
d = ![\sqrt{(y-y)^2+(x-x)^2}](https://tex.z-dn.net/?f=%5Csqrt%7B%28y-y%29%5E2%2B%28x-x%29%5E2%7D)
coordinates of J: (-7,3)
coordinates of J': (-7/2, 3/2)
coordinates of K: (3/2, -3/2)
d = ![\sqrt{(-3/2-3/2)^2+(3/2-(-3/2)^2}](https://tex.z-dn.net/?f=%5Csqrt%7B%28-3%2F2-3%2F2%29%5E2%2B%283%2F2-%28-3%2F2%29%5E2%7D)
d = ![\sqrt{(-6/2)^2+(-10/2)^2}](https://tex.z-dn.net/?f=%5Csqrt%7B%28-6%2F2%29%5E2%2B%28-10%2F2%29%5E2%7D)
d = ![\sqrt{3^2+5^2}](https://tex.z-dn.net/?f=%5Csqrt%7B3%5E2%2B5%5E2%7D)
d = ![\sqrt{36}](https://tex.z-dn.net/?f=%5Csqrt%7B36%7D)
d = 6
Answer:
b 33 i took test i know
Step-by-step explanation:
Answer:
A.
Step-by-step explanation:
The formula for circumference is:
![C=2\pi r](https://tex.z-dn.net/?f=C%3D2%5Cpi%20r)
We know that the circumference is 8π inches. So, substitute 8π for C:
![8\pi =2\pi r](https://tex.z-dn.net/?f=8%5Cpi%20%3D2%5Cpi%20r)
Solve for r. Divide both sides by 2π. So:
![r=\frac{8\pi}{2\pi}=4](https://tex.z-dn.net/?f=r%3D%5Cfrac%7B8%5Cpi%7D%7B2%5Cpi%7D%3D4)
Therefore, the radius is 4 inches.
Hence, our answer is A.
Answer:
x < -5
Step-by-step explanation:
-0.6x > 3
=> Dividing 0.6 on both sides
=> -x > 3/0.6
=> -x > 5
=> x < -5 [When we multiply -1 on both sides the sign changes]