if there are 12 girls and 15 boys in a class, which ratio is not true? 5 boys to 9 students 12 girls to 27 students 3 girls to 5
1 answer:
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Answer:
see below and attached
Step-by-step explanation:
To solve a system of quadratic equations:
- Equal the equations then rearrange so that it is set to zero.
- Use the quadratic formula to solve.
I have done this (see attached workings) but cannot get any of the solutions you've provided. I have even graphed the two functions, and the points of intersection concur with my workings (see attached graph).
