Answer:
Let x be the number of 3-point questions.
Let y be the number of 5 point questions.
15
Step-by-step explanation:
Red : Blue :
3 8
We have 40 blue marbles
Multiply 8 by what to get 40
40/8 =5
So we need to multiply by 5
3*5 8*5
15 40
There are 15 red marbles
In simplest radical form, what are the solutions to the quadratic equation 0 = –3x2 – 4x + 5?
Quadratic formula: x =
16,A
hope this helps :)