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kozerog [31]
3 years ago
6

You can win a new car in a game show if you can put 4 balls in cups in the right order. The cups are lettered A, B, C, and D and

the balls are lettered the same. One ball goes in each cup but no goes in a cup with the same letter. You try ball C in cup A, D in B,A in C, and B in D and find none of these are correct The show's host gives you a hint that ball D does not go in cup A and ball A does not go in cup B.Which balls go in which cups?
Mathematics
1 answer:
Marina86 [1]3 years ago
4 0
D goes in C
A goes in D
B goes in A
C goes in B


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Answer:

(-3+\sqrt{21}) /2,  (3+\sqrt{21}) / 2 which is approx -3.791 and 0.791

Step-by-step explanation:

i used the quadratic formula:  [-b± sq rt (b² - 4ac) / 2a]

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2 years ago
Ben and Alyssa play a game in which they earn the same number of points for each goal and lose the same number of points for eac
Nadya [2.5K]

Answer:

Each goal gives 5 points and a penalty costs 7 points.

Step-by-step explanation:

Let a penalty cost = x points

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Ben makes 7 goals and 2 penalties ending the game with 21 points,

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Alyssa makes 10 goals and 8 penalties ending the game with (-6) points,

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Equation (1) multiplied by 2, then subtracted from equation (2),

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From equation (1)

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2 years ago
How do I solve this question?
Elena L [17]

Answer:

47

Step-by-step explanation:

should be the correct answer

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nalin [4]

Answer:

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