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Anni [7]
3 years ago
14

Hey there i need some help i would be mor then happy to give brainst

Mathematics
1 answer:
Marianna [84]3 years ago
6 0

We don't really know because we don't know how many people who don't like baseball play.  Let's assume none of them.

Of the 500 people, (48/120) × 500 people like baseball, and 3/5 of those play.

(3/5)(48/120)(500)=120 play baseball.

Answer: 120

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Answer:

4x+6

Step-by-step explanation:

x-5+(3x+11)=4x+6

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Answer:

a) x = -1 and  y = 5, b) x = 2 and y = -1, c) x = -2 and y = 1, d) x = 2 and y = -9, e) x = 2 and y = -2, f) x = 2 and y = -1, g) x = 2 and y = -1, h) x = 1 and y = 2.

Step-by-step explanation:

Each system is solved as follows (Cada sistema es resuelto como sigue):

a) 2\cdot x + y = 3 and 3\cdot x - y = -8

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b) x - 2\cdot y = 4 and -x+3\cdot y = -5

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x = y-3

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y = 1

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3\cdot x + 2\cdot y = -12

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y = -x

2\cdot x -3\cdot x = -2

-x = -2

x = 2

y = -2

f) 3\cdot x + 5\cdot y = 1 and x + y = 1

y = 1 - x

3\cdot x + 5 - 5\cdot x = 1

-2\cdot x = -4

x = 2

y = -1

g) 5\cdot x - 2\cdot y = 12 and 4\cdot x + 3\cdot y = 5

x = \frac{12+2\cdot y}{5}

x = \frac{5-3\cdot y}{4}

\frac{12+2\cdot y}{5} = \frac{5-3\cdot y}{4}

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48 + 8\cdot y = 25 - 15\cdot y

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h) 7\cdot x + 8\cdot y = 23 and 3\cdot x + 2\cdot y = 7

3\cdot x + 2\cdot y = 7

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Step-by-step explanation:

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