Answer:
3.7
Step-by-step explanation:
![4(x+3.3)=28\\4x+13.2=28\\4x=28-13.2\\\\4x=14.8](https://tex.z-dn.net/?f=4%28x%2B3.3%29%3D28%5C%5C4x%2B13.2%3D28%5C%5C4x%3D28-13.2%5C%5C%5C%5C4x%3D14.8)
![x=\frac{14.8}{4} =3.7](https://tex.z-dn.net/?f=x%3D%5Cfrac%7B14.8%7D%7B4%7D%20%3D3.7)
Hope this helps
52mph, depending what unit you need the answer in you may have to use conversions
The answer would be x^4 -16
Explanation: use the FOIL method.
(x^2 +4)(x^2 -4)= x^4 +4x -4x -16. 4x and -4x cancel each other out. You are left with x^4 -16.
F- irst
O- uter
I- nner
L- ast
Area of a semicircle is 1/2* πr^2
Area of a square is s^2
Square’s area: 4mm^2
The radius is 3mm
Plug into the equation
1/2* π(3^2)
1/2* π(9)
We can use 3.14 as an estimate of pi
1/2*28.26
14.13mm^2
Now just add them both
Total area 18.13mm^2
Answer: 500$
Step-by-step explanation: 150 is 70% off the ORIGINAL price, so 150 is actually 30% off. Divide everything by 3 and you get 50$ = 10%. Multiple 50 by 10 and you get 500, your answer.