Substitution is plugging one equation into the other.
Elimination is where you eliminate one equation.
Graphing is when you graph the equations and see where they overlap.
Answer:
16/31
Step-by-step explanation:
15 + 16 = 31
16 out of 31 = 16/31 as a fraction
Answer:
x>=5/6
Step-by-step explanation:
She's practiced 2 1/3 hours already. Therefore, she has 1 2/3 hours left to practice. Let x be the minimum number of hours she needs to practice on each of the remaining two days.
Splitting up the remaining hours into two days, we get (5/3) divided by 2, which is 5/6 hours per day.
x is greater than or equal to 5/6 hours per day.
Answer:
you need help on your spelling too
Step-by-step explanation:
its really not relay
Answer:
A trapezoid is a quadrilateral with one pair of opposite sides parallel. It can have right angles (a right trapezoid), and it can have congruent sides (isosceles), but those are not required.