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Snezhnost [94]
3 years ago
5

What property was applied to solve the equation below?

Mathematics
1 answer:
love history [14]3 years ago
3 0
Hi there!

I believe the answer would be A. Addition Property of Equality

Adding 0.36 to both sides of the equation and x being -5 means that the value is true, making it the A.

Hope this helps !
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How many solutions does the system 2y=10x-14 and 5x-y=7 have? need worked out step by step please!
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2y=10x-14
5x-y=7

Divide both sides by 2 in the 1st equation
y=5x-7
Now substitute is to 2nd equation 
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vovangra [49]

Answer:

A=50.26548246units^2

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A game of chance involves rolling an unevenly balanced 4-sided die. The probability that a roll comes up 1 is 0.21, the probabil
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Answer:

2.65 dollars

Step-by-step explanation:

The expected value for a discrete variable is calculated as:

E(x)=x1P(x1) + x2P(x2) + ... + xnP(xn)

Where x1, x2, ... , xn are the possibles values of the variable and P(x1), P(x2), ... , P(xn) are the probabilities of x1, x2, ... , xn respectively.

In this case, the roll can comes up 1, 2, 3 or 4 and you can win 1, 2, 3 or 4 dollars respectively. So, taking into account that they are mutually exclusive events, the probability that the player win 1, 2, 3 or 4 dollars is:

P(1) = 0.21

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