three players scored a total of 70 points during a basketball game one player scored twice as many as one mate and 10 points few
2 answers:
Answer:
24, 12 and 34.
Step-by-step explanation:
Let points of all three players are respectively.
It is given that sum of their score is 70.
Therefore, . ...1
Also, score of one is twice the other.
So, . ...2
It is also given that its score is 10 points less than the other one.
Therefore, ...3
Solving all three equations we get,
.
Hence,it is the required solution.
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Answer:
d. The equation has one solution and there is not enough information to determine the direction of the parabola.
Step-by-step explanation:
For a general quadratic equation
y = ax² +bx +c
the solution is
The discriminant (D) is the part of the quadratic formula underneath the radical: b² - 4ac.
D tells us whether there are
- two different real solutions
- two identical real solutions ("one solution")
- two complex solutions.
If D= 0,
and there are two identical solutions ("one solution").
The direction of the parabola depends on the sign of a.
That information is not given, so we cannot determine the direction of the parabola.