Answer:21
Step-by-step explanation:
21 because if you add them up and divided them you will get your answer
Answer: (2x+3)(x+3)
Step-by-step explanation:
Looking at this, you know that it must look something like
(? +3)(?+3) , because they must multiply to 9. The ?s must multiply to 2x^2, the most plausible values being 2x and x, ending us up with (2x+3)(x+3)
Answer:
Yes
Step-by-step explanation:
2 times 1= 2
y=1
2-1=1
Yes
suppose the number of boy is x ,so the number of girls is 5/4x,so the total number is 9/4x,we knew the number of total students is 36,so 36=9/4x,x is 16.