Answer:
a)F
b)A
c)F
d)F
Step-by-step explanation:
a)3+4=7 which is the total number of pupils in class
So, the fraction should be 3/7✅not 3/4❌
b) The girls in the class are 4 and the total number of pupils in class are 7. So, the fraction is correct✅.
c) The number of boys in class is 3✅ which is given in the ratio. Not 6❌
d) If you add the both numbers in the ratio, you will get the total number of pupils which is 7✅not 12❌
Hope this will help ya!
Answer:
b. 5.66
Step-by-step explanation:
Use pyramtherm theorem.
4^2+ 4^2= c^2
16+16=c^2
32=c^2
Sqaure root of 32= 5.65
Rounding up is 5.66