Answer:
x^2-4x+<u>4</u>=(<u>x-2</u>)^2
Step-by-step explanation:
Have fun ✌️:)
Answer:
12 male teachers
Step-by-step explanation:
If the ratio is 3:4, and the number of female teachers is 16, then the number of male teachers must be 12. This can be confirmed by multiplying both 3 and 4 by 4, or 12/16 = 3/4.
True, the number 78 is divisible by both 2 and 3.
78/2 = 39
78/3 = 26
To do this you need to know simultaneous equations (which i don’t know if you have learnt it) but this is really hard to explain by words so i hope you can understand by the working out i did
Answer:
C
Step-by-step explanation:
the Sq root for 156 HAS to be a # between 12 and 13.
12+ (13-12)/2
12+ 1/2
12.5