.75 is 75% of the test, and 75 of 20 is equal to 1/4. So 20/4 is equal to 5, meaning 5 questions were wrong, and 15 were answered correctly.
I hope this was not too confusing for you.
Answer:
4x -2 = -2x +6
Step-by-step explanation:
The red is negative
4x -2 = -2x +6
Answer:
x = 3
Step-by-step explanation:
Solve for the first variable in one of the equations, then substitute the result into the other equation.
Answer:
it depends on how many females are there
Step-by-step explanation:
I need to know how many females are there
9 is D just (x-8)(x+5)
I think you can do this that's very easy
