Answer:
1)no solution
2)one solution
Step-by-step explanation:
Answer:
810 boys
Step-by-step explanation:
1800 students and 55% are girls.
100%-55%=45%
1800*0.45 = 810
1800*0.55 = 990
So there are 990 girls and 810 boys.
Hope this helps :)
It is A, i’m a math teacher
The circumference of a circle is given by C = 2
r. Your question asks you to use 3.14 for pi. Radius is half of diameter, so halve those to fit it into the equation.
16). C = 2*3.14*7 = 44.0
17) C = 2*3.14*9 = 56.5
18) C = 2*2.14*12 = 51.4
19) C = 2*2.14*6.4 = 27.4