Answer:
There are 50 boys
Step-by-step explanation:
girls to boys - 2:4
so 25x2=50
Answer:
127.17 cm²
Step-by-step explanation:
- Area of a semicircle: 1/2*π*r²
- π (pi) = 3.14
- r (radius) = d (diamater) / 2 => 18/2 = 9 cm
A = 1/2*π*r²
A = 1/2*3.14*9²
A = 1/2*3.14*81
A = 3.14*40.5
A = 127.17 cm²
Therefore, the area of the semicircle is 127.17 cm²
Hope this helps!
.67
Step-by-step explanation6 divided by 9
<span>x^3 - 4x^2 - 7x + 10 = 0</span>
