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Sergio039 [100]
2 years ago
7

Write an expression that can be used to find 4x275 using mental math and properties of numbers

Mathematics
2 answers:
Mashutka [201]2 years ago
7 0
(4*200)+(4*70)+(4*5)
Hope this helps
alexira [117]2 years ago
6 0
(4*200)(4*70)(4*56 that is my answer
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Estimate 428,731 - 175,842 = i have no idea
Mariulka [41]
428,731 - 175,842 = 252,889
4 0
2 years ago
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Consider the following game, called matching pennies, which you are playing with a friend. Each of you has a penny hidden in you
Dahasolnce [82]

Answer:

a. The two players playing the game

b. No dominant strategy

c. No equilibrium

Step-by-step explanation:

a. The players are the two people playing the game of matching pennies

The strategy of the players are to meet the conditions of them keeping the pennies by having either heads or tails

The payoff of the game are as follows;

Player A keeps the two pennies when the outcome matches

Player B keeps the two pennies when the outcome does not match

The payoff of the game are as follows;

                                                Player A

                                             Head                          Tails

Player B  Head                     1, -1                              -1, 1

               Tails                      -1   1                               1, -1

Where:

x, y

x = Player A

y = Player B

1 = Getting to keep the two pennies

-1 = Losing a penny

b. There are no best strategy because the game is one of chance whereby the result of the strategy of one player depends on the side of the penny facing up by the other player.

c. There is no equilibrium as the possible outcomes are equal hence the outcomes can be even or one sided.

7 0
3 years ago
I have a test on these type of questions and don't know what to do....
3241004551 [841]

Answer:

You take the info and answer the questions with guidance from the tables

Step-by-step explanation:

4 0
2 years ago
WILL GIVE YOU BRAINLIEST!! (only answer if u know for sure) A coin is flipped 20 times. 13 times the coin lands on heads. What i
tangare [24]

there is a 50% chance of landing on either heads or tails

3 0
3 years ago
Patients in a hospital are classified as surgical or medical. A record is kept of the number of times patients require nursing s
GREYUIT [131]

Answer:

Following are the solution to the given question:

Step-by-step explanation:

Given:

N= 177\\\\a=46\\\\b=52\\\\c=36\\\\d=43

\to \chi _{1}^{2}=\frac{N(ad-bc)^{2}}{(a+c)(b+d)(a+b)(c+d)}

         =\frac{177((46\times 43)-(52 \times 36))^{2}}{(98)(79)(82)(95)}\\\\=\frac{177((1978)-(1872))^{2}}{60310180}\\\\=\frac{177(106)^{2}}{60310180}\\\\=\frac{177(11236)}{60310180}\\\\=\frac{1988772}{60310180}\\\\= 0.032976

P-value= CHIDIST(0.032976,1) = 0.86.

thus, the surgical-medical patients and Medicare are dependent.

5 0
2 years ago
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