20x = 2*100
x = 10 ml (amt of 30% solution needed)
100-x = 90 ml (amt of 10% solution needed)
Very hard but I hope it helps
Answer:
You cant do 4x+24
7 (5)= 35
7 (2) 14
35+14-49=0
Step-by-step explanation:
She did not simplify under the square root correctly.
<h3>Quadratic equation</h3>
Given the quadratic expression
5x^2 - 6x - 8 = 0
Using the general formula, we will have:
From the given equation;
a = 5
b -6
c = -8
Substitute the values into the formula to have:
From the given solution, we can see that she did not simplify under the square root correctly.
Learn more on general formula here; brainly.com/question/21466038
Answer:
True
Step-by-step explanation:
brainliest