During a school event, Noah is selling pizza at the food stand for $1.25 per slice.

Mathematics

1 answer:

Eddi Din [679]3 years ago

7 0

Answer:

1. When he sold 20 slices of pizza at $1.25 each, he made $20

When he sold 50 slices of pizza at $1.25 each, he made $62.5

2. 96 slices of pizza. You would get that by dividing 120 by 1.25, as he needs to make $120, and each slice costs $1.25

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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

I have no idea how to do this someone help

vagabundo [1.1K]

Its absolute value so the negative on the inside would change to positive, so the answer would remain -7 and 3/5. same with the other one, except you multiply the 3 to the -1, making it -3

7 0

4 years ago

Jatonia plans to purchase 4

steposvetlana [31]

Hey there!

All we need to do is multiply the unit price of the pencil ($.35) by how many pencils she wants to buy (4)

$.35 x 4 = $1.40

Therefore, she will pay $1.40 for 4 pencils

Hope this helps you!

God bless ❤️

xXxGolferGirlxXx

6 0