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lianna [129]
3 years ago
8

4) You are in Las Vegas and need $35 to buy a great steak dinner, but you only have $20. You decide to play roulette to win the

money you need for your dinner. In the simplest bet in roulette, you bet $1 on one of 38 numbers and if your number comes up on the wheel you win $35. If any other number comes up, you lose. a) If you bet $1 on each of 20 different numbers on one single spin of the wheel, what is the probability that you will have $35 after your bet?
Mathematics
1 answer:
andreev551 [17]3 years ago
5 0

Answer:

The probability that you will have $35 after your bet is 0.5263

Step-by-step explanation:

Consider the provided information.

If you bet $1 on each of 20 different numbers on one single spin of the wheel, what is the probability that you will have $35 after your bet.

If you bet $1 on a single number then the probability of winning is:

\frac{1}{38}

But if you bet $1 on each of 20 different number then the probability increases.

Thus the required probability is: \frac{20}{38}\approx0.5263

Hence, the probability that you will have $35 after your bet is 0.5263

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3 years ago
-2.1b +5.3= b -- 3.1b + 5.3<br><br> does is have one solution or infinitely many solutions ? Why ?
pychu [463]

Answer: infinitely many solutions.

Step-by-step explanation:

Ok, our equation is:

-2.1*b + 5.3 = b - 3.1*b + 5.3

now, simplifyng the right side, we have:

b - 3.1*b + 5.3 = (1 - 3.1)*b + 5.3 = -2.1*b + 5.3

Then our initial expression is:

-2.1*b + 5.3 = -2.1*b + 5.3

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6 0
3 years ago
Please Help Part C Final Part Thanks
alexandr402 [8]

3 blue + 3 yellow = 6 total marbles.

The probability of picking a blue one first would be 3/6 ( 3 blue out of 6 total marbles).

3/6 reduces to 1/2.

After picking the first marble, there would be 5 marbles left in the bag.

The probability of picking a yellow one would be 3/5 ( 3 yellow and 5 total marbles left).

The probability of picking a blue then a yellow then becomes:

1/2 x 3/5 = 3/10 = 0.30 = 30%

4 0
3 years ago
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LUCKY_DIMON [66]

Answer:

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Product = 6 × 14 = 84 and sum = - 25

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2y(3y - 2) - 7(3y - 2) ← factor out (3y - 2) from each term

= (3y - 2)(2y - 7) ← in factored form

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