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Mashutka [201]
3 years ago
15

Solve the equation using square roots: 2x²-17 = 15

Mathematics
1 answer:
Alekssandra [29.7K]3 years ago
3 0

2x² - 17 = 15

2x² = 15 + 17

2x² = 32

x² = 32/2

x² = 16

x = ±√16

x' = 4

x'' = -4

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A television game show has 12 ​doors, of which the contestant must pick 3. Behind 3 of the doors are expensive​ cars, and behind
almond37 [142]

The probability that the contestant wins at least one car is 3/5.

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

Probability refers to a possibility that deals with the occurrence of random events.

The probability of all the events occurring need to be 1.

For 1 car, we consider two possible outcomes:

P(1 car) = 2/6 x 4/5 + 4/6 x 2/5

P(1 car) = 8/15

For no car in either door

P(no car) = 4/6 x 3/5

P(no car) = 2/5

The probability that the contestant wins at least one car is the sum of the probability of one car and the probability of two cars:

P(2 cars) = 2/6 x 1/5

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= 3/5

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brainly.com/question/11234923

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8 0
2 years ago
Determine the total cost or selling price to the nearest cent $65 video game ; 25% discount?
kodGreya [7K]

Answer:

48.75$

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6 0
3 years ago
Who feels to talk
zubka84 [21]

Answer:

I gotcu

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Step-by-step explanation:

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Guests at a pizza party are seated at three tables. The small table has 5 seats and 2 pizzas. The medium table has 7 seats and 3
bagirrra123 [75]

Answer:

the 5 seated table with the 2 pizzas got more each.

Step-by-step explanation:

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\frac{7}{3} = 2\frac{1}{3} pieces each

\frac{12}{5} = 2\frac{2}{5} pieces each

Now change the fractions s that they all have a common denominator.

2\frac{1}{2} = 2\frac{15}{30}

2\frac{1}{3} = 2\frac{10}{30}

2\frac{2}{5} = 2\frac{15}{30}

Thus meaning that the 5 seated table with the 2 pizzas got more each.

6 0
3 years ago
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