Answer:
4x+30, 1.875
Step-by-step explanation:
x+(x+30)+2x = 4x+30
4x+30=37.5
4x=7.5
x=1.875
Answer:
62.8 cm
Step-by-step explanation:
The circumference of a circle can be found by
C = 2 * pi *r where r is the radius
C = 2*pi* 10
C = 20 pi
Letting pi be approximated by 3.14
C = 20 *3.14
C =62.8 cm
Is the question asking f(g(x))? If so the answer is 4x+20
534 is the product of 6x89