Answer:
y=3x^2 -15x-42
Step-by-step explanation:
31% × y = 89,9
y = 89,9 × 100/31
= 290
Therefore 31% of 290 is 89,9
Answer:
One example, you are at the store adding up the costs of everything that is in your cart.
Step-by-step explanation:
Keep in mind both of these angles are equal to each other meaning the equation will have a = So...
4x+7=5(x-4)
Now multiply 5 to x and 4
4x+7=5x-20
Now subtract 4x from 5x
7=1x-20
Now add 20 to both sides
27=x
So x=27
Answer:
4/14
Step-by-step explanation: