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Mathematics

2 answers:

Kamila [148]3 years ago

7 0

Answer:ok

Step-by-step explanation:

GrogVix [38]3 years ago

3 0

Answer:

Step-by-step explanation:

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Find the value of x for which line a is parallel to line b. (21)

Romashka [77]

X is 20 degrees. Since it says that lines a and b are parallel and angles four and five are right next to each other, it means that when you add the two of them together you’ll get 180. Since it’s replaced with variables with coefficients, add the coefficients to get 9 and divide 180/9 to get 20. 20 is the value for x which is your answer

7 0

3 years ago

A roulette wheel has the numbers 1 through 36, 0, and 00. A bet on four numbers pays 8 to 1 (that is, if you bet $1 and one of t

Natasha_Volkova [10]

Answer:

Lose $0.05

Step-by-step explanation:

There are 38 possible spots on the roulette wheel (numbers 1 to 36, 0 and 00).

If the player can choose four numbers on single $1 bet, his chances of winning (W) and losing (L) are as follows:

$P(W) = \frac{4}{38} \\P(L) = 1-P(W) = 1-\frac{4}{38} \\P(L) = \frac{34}{38}$

The expected value of the bet is given by the probability of winning multiplied by the payout ($8), minus the probability of losing multiplied by the bet cost ($1)

$EV=\frac{4}{38}*\$8 -\frac{34}{38}*\$1\\EV= -\$0.05$

On each bet, the player is expected to lose 5 cents ($0.05).

4 0

3 years ago

Which graph has slope of 2

Vlad [161]

Answer:

Step-by-step explanation:

It would be D because the formula to find slope is y divide by x. Graph D has a y of 2 and a x of 1 which you divide to get 2 which would be your answer

6 0

3 years ago

Read 2 more answers

Is 1 whole 1 by 3 considered as an integer??

Nadusha1986 [10]

Answer:

No it's not.

Step-by-step explanation:

$1 \frac{1}{3} = \frac{4}{3} = 1.333333$