Answer:
18:162
Step-by-step explanation:
1:9
1+9=10
(1×180)÷10= 18
(9×180)÷10=162
Answer:
35 students
Step-by-step explanation:
So if every 3 boys there is 4 girls you can solve that there is 5 times the amount of girls to get to 20. So to solve for the boys you do the same.
3 x 5 = 15
That means there are 15 boys and 20 girls but we want to know the total so what you do is just add 15+20=35
So 35 total students.
Hope that helps and have a great day!
f(x)=-3x^2-1
f(-2)= -3(-2)²-1=-3·4-1= - 13
The answer to the question is a) -4.
Answer:
You're answer is right it is -2,2
Step-by-step explanation:
remember x comes before y
