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cluponka [151]
3 years ago
15

Determine if the following system of equations has no solutions, infinitely many

Mathematics
1 answer:
FrozenT [24]3 years ago
8 0

Answer:

infinitely many solutions

Step-by-step explanation:

x + 6y = -5

3x + 18y = -15

Multiply the first equation by 3

3(x + 6y) = -5*3

3x + 18y = -15

The two equations are identical.  This means they have infinite solutions along the line x+6y = -5

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Ann took a taxi home from the airport. The taxi fare was $2.10 and she gave the driver a tip of $5. Ann paid a total of $49.10
storchak [24]

Answer:

42 dollars

Step-by-step explanation:

3 0
3 years ago
Two arcades have different pricing structures. Arcade A costs $5 to enter and $0.60 per game. Arcade B costs $7 to enter and $0.
WARRIOR [948]

Answer:

10 games

Step-by-step explanation:

Let C be cost and x be number of games

Arcade A: C = 5 + 0.6x

Arcade B: C = 7 + 0.4x

for both arcades to be the same price, Both C's must be equal, hence we equate the right side of both equations:

5 + 0.6x = 7 + 0.4x   (subtract 5 fromboth sides)

0.6x = 7 + 0.4x - 5

0.6x = 2 + 0.4x  (subtract 0.4x from both sides)

0.6x - 0.4x = 2

0.2x = 2 (divide both sides by 0.2)

x = 2 / (0.2)

x = 10

7 0
3 years ago
Read 2 more answers
A survey of high schools offering honors classes to ninth graders reveals that 38% of the high schools offer no honors classes,
Greeley [361]

Using the discrete distribution, it is found that the probability that it offers an even number of honors classes is of 0.68.

<h3>What is the discrete probability distribution?</h3>

The distribution for the number of honors classes the school offers is given by:

  • P(X = 0) = 0.38
  • P(X = 1) = 0.12.
  • P(X = 2) = 0.25.
  • P(X = 3) = 0.2.
  • P(X = 4) = 0.05.

Hence the probability of an even number is given by:

P(even) = P(X = 0) + P(X = 2) + P(X = 4) = 0.38 + 0.25 + 0.05 = 0.68.

More can be learned about discrete probability distributions at brainly.com/question/24802582

#SPJ1

3 0
2 years ago
What is the value of x?
prohojiy [21]

Answer:

x = 12 degree

Step-by-step explanation:

3x + 19 + 5x = 115 degree (sum of two interior opposite angles are equal to the third side)

8x + 19 = 115

8x = 115 - 19

x = 96 /8

x = 12

8 0
3 years ago
Read 2 more answers
What is 154 divided by 12? Type in the letter of the correct answer: a) 12⅚ b) 12⅙ c) 12¼ d) 12¾ e) 12
shutvik [7]

Answer:

A

Step-by-step explanation:

154÷12=12 5\6

7 0
3 years ago
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