Answer:
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56
Step-by-step explanation:
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We are given with:
Average height of plants to be at least 73 inches
Three plants with heights of
70, 71, 72
The inequality that can be used to determine the possible heights of the fourth plant is:
(70 + 71 + 72 + x) / 4 ≥ 73
Solving for x
x ≥ 79
the discriminant formula is b^2-4ac
so plug the values from each equation into the formula and solve, the result is the value of the discriminant
if the number is negative, there are no real roots/x-int
if it is 0 there is one real root/x-intercepts
if it is positive it has 2 real roots/x-int
and to find the actual solutions you have to plug the values into the quadratic formula
Answer:
2/6 or 1/3
Step-by-step explanation:
Nothing it is just basic mathematics
Answer:
15
Step-by-step explanation:
100 laps
100 divided by 20 Is 5
3 x 5 is 15
please brainliest me
