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nevsk [136]
3 years ago
10

Solve for u. 3u − 5 = 4

Mathematics
1 answer:
timofeeve [1]3 years ago
7 0

Answer:

u=3

Step-by-step explanation:

Add 5 to both sides of the equation. That cancels out 5 on the right and gives you 9 on the left. Now divide 3 from both sides and you get 3.

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A certain casino game has a wheel with 5 different animals on it. It costs $10 to bet on an animal, and
Mrrafil [7]

Answer:

Expected value = - $ 4

Step-by-step explanation:

Number of animals on the wheel = 5

Number of animals the player can bet on = 1

The player will win if the ticker stops on the chosen animal. Since, only one animal can be chosen out of 5, the probability of winning will be = \frac{1}{5}

If the ticker stops on any of the rest 4 animals, the player will lose. So the probability of losing will be =  \frac{4}{5}

If the ticker stops on chosen animal, the winning amount is $ 20, if the ticker lands on any of other animal, its a loss of $ 10.

We need to calculate the expected value of this game. Expected value is calculated by multiplying the probability of each outcome with the outcome and then adding these products.

So, for this case, the expected value will be:

(Probability of winning x Outcome on winning) + (Probability of losing x Outcome of losing)

Using the values, we get:

E=\frac{1}{5}(20)+\frac{4}{5}(-10)=-4

Minus sign has been used with 10, because the money is being lost.

Thus, the expected value of the game is - $ 4. This means, on average a player who will play the game is expected to lose about $ 4 per game

5 0
3 years ago
Mandy charges all of her customers by weight so she gets $5 per kilogram of corn cobs or $1.25 for an individual corn cob. If Ma
guapka [62]

Answer:

$5

Step-by-step explanation:

Because everyone want to be rich!

7 0
2 years ago
Kareem borrowed money from a credit union for 6 years and was charged simple interest at an annual rate of 8%. The total interes
Elina [12.6K]

Answer:

I think 220.8

  Step-by-step explanation:

6 0
3 years ago
Write each as a decimal.Round to the thousands place​
max2010maxim [7]

Answer:

2) 0.3

4) 0.09

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Step-by-step explanation:

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7 0
3 years ago
Read 2 more answers
What is 10 1/8 + 3 5/8 2 7/8 ?
Damm [24]
So first you would have to add 10 and 1/8 and 3 and 5/8 which is 4 and 3/4 then add 2 and 7/8 to 4 and 3/4 which is 7 and 5/8 so 7 5/8 is the answer.
8 0
2 years ago
Read 2 more answers
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