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2 years ago

The expected value of profit

Mathematics

1 answer:

Mashutka [201]2 years ago

3 0

Sorry but I’m just commenting because apparently you have to answer other people’s questions in order to ask questions even when you have Brainley plus ugh

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In a number sentence, a symbol that points toward a lesser number or expression is called a

katen-ka-za [31]

Less that sigh if it it pointing to the left if it is to the right grater than

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3 years ago

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When x-y=3 work out the value of y-x

GalinKa [24]

The value of y-x is (-3)

<u>Solution:</u>

Given: The value of x-y=3

To find: The value of y-x

$\bold{x-y=3\rightarrow (1)}$

Let's multiply the equation (1) by (- 1) on both sides,

$\Rightarrow\bold{(x - y)\times(- 1) = 3\times(- 1)}$

$\Rightarrow\bold{-(x-y)=-3}$

On multiplying the sign,

$\Rightarrow\bold{(-x+y)=-3}$

The above equation can also be written as,

$\Rightarrow\bold{y-x=-3\rightarrow \text{(The required equation)}}$

<u>Multiplication of signs:</u>

$\Rightarrow( + )\times( + ) = ( + )$

$\Rightarrow( + )\times( - ) = ( - )$

$\Rightarrow( - )\times( + ) = ( - )$

$\Rightarrow( - )\times( - ) = ( + )$

In simpler terms, when we multiply two integers with the same signs, the result is always positive and when we multiply two integers with different signs, the result is always negative.

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3 years ago

What is the surface area of the rectangular pyramid below?

Charra [1.4K]

Your answer would be 31.04 m2

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3 years ago

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Which postulate or theorem proves that these two triangles are

Aleksandr-060686 [28]

Answer: O AAS Congruence Theorem is your answer

Step-by-step explanation: plz give brainliest