Answer:
x= 1 and -4
Step-by-step explanation:
Factor out the common term 2
2(x²+3x-4)=0
Factor x²+3x-4
2(x-1)(x+4)=0
Solve for x
x= 1 and -4
Hope it helps
Answer:
The value of
is 16.
Step-by-step explanation:
The composition consist: in replacing the independent variable (
) of
by
:
(1)
(2)
(3)
![f\,\circ\,g(x) = (x^{2}+24\cdot x + 144) +(3\cdot x +36) - 12](https://tex.z-dn.net/?f=f%5C%2C%5Ccirc%5C%2Cg%28x%29%20%3D%20%28x%5E%7B2%7D%2B24%5Ccdot%20x%20%2B%20144%29%20%2B%283%5Ccdot%20x%20%2B36%29%20-%2012)
![f\,\circ\,g(x) = x^{2} +27\cdot x +168](https://tex.z-dn.net/?f=f%5C%2C%5Ccirc%5C%2Cg%28x%29%20%3D%20x%5E%7B2%7D%20%2B27%5Ccdot%20x%20%2B168)
![f\,\circ g(-8) = (-8)^{2}+27\cdot (-8) +168](https://tex.z-dn.net/?f=f%5C%2C%5Ccirc%20g%28-8%29%20%3D%20%28-8%29%5E%7B2%7D%2B27%5Ccdot%20%28-8%29%20%2B168)
![f\,\circ\,g(-8) = 16](https://tex.z-dn.net/?f=f%5C%2C%5Ccirc%5C%2Cg%28-8%29%20%3D%2016)
The value of
is 16.
Step-by-step explanation:
Hopefully this was helpful!
Answer:
Washer $735
Dryer $245
Step-by-step explanation:
If x is the cost of the washer, and y is the cost of the dryer, then:
x + y = 980
x = 3y
Solve with substitution.
3y + y = 980
4y = 980
y = 245
x = 735
Answer:
m<8 is 30°
Step-by-step explanation:
Here are some images that can help you have a better understanding :