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Vlad [161]
3 years ago
5

In a basketball game, a regular basket is worth 2 points and a long distance basket is worth 3 points. There were 54 baskets in

a game and 118 points total. Part A: Write a system of equations where x represents a regular basket and y represents a long distance basket.
Mathematics
1 answer:
Alla [95]3 years ago
3 0

Answer:

The system of equations for the given situation is:

x+y=54

2x+3y=118

Step-by-step explanation:

Given:

Regular basket is worth = 2 points

Long distance basket  is worth =3 points

Total baskets in a game = 54

Total points in total = 118

x\rightarrow represents the number of regular baskets

y\rightarrow represents the number of long distance baskets.

Expression for total baskets can be given by ⇒ x+y

Thus first equation representing total baskets in a game is given by:

x+y=54

Since a regular basket is worth 2 points

So x regular baskets would be worth =2x points

Since a long distance basket is worth 3 points

So y long distance baskets would be worth =3y points

Expression for total points in a game can be given by ⇒ 2x+3y

Thus second equation representing total points in a game is given by:

2x+3y=118

∴ The system of equations for the given situation is:

x+y=54

2x+3y=118

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Answer:

The x -coordinate(s) of the point(s) of intersection of these two polynomials are x=\frac{2}{9}\approx0.2222,\:x=-\frac{1}{3}\approx-0.3333

The sum of these x -coordinates is \frac{2}{9}+\left(-\frac{1}{3}\right)=-\frac{1}{9}

Step-by-step explanation:

The intersections of the two polynomials, p(x) and q(x), are the roots of the equation p(x) = q(x).

Thus, 3x + 27x^2=2 and we solve for x

3x+27x^2-2=2-2\\27x^2+3x-2=0\\\left(27x^2-6x\right)+\left(9x-2\right)\\3x\left(9x-2\right)+\left(9x-2\right)\\\left(9x-2\right)\left(3x+1\right)=0

Using Zero Factor Theorem: = 0 if and only if = 0 or = 0

9x-2=0\\9x=2\\x=\frac{2}{9}

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The solutions are:

x=\frac{2}{9}\approx0.2222,\:x=-\frac{1}{3}\approx-0.3333

The sum of these x -coordinates is

\frac{2}{9}+\left(-\frac{1}{3}\right)=-\frac{1}{9}

We can check our work with the graph of the two polynomials.

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What's the sum of the infinite geometric series where a1 = 240, and the common ratio is r = 1∕3 ?
sattari [20]

Answer:

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Step-by-step explanation:

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