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pshichka [43]
3 years ago
15

Select all of the expressions that are equal to 6,

Mathematics
2 answers:
IgorC [24]3 years ago
8 0

Answer:

<h2>(6), -(-6)</h2>

Step-by-step explanation:

(6)=6\\\\(-6)=-6\neq6\\\\-(6)=-6\neq6\\\\-(-6)=6\\\\(0-6)=(-6)=-6\neq6\\\\(-2)\cdot(3)=-6\neq6

romanna [79]3 years ago
7 0
<h2>Answer:</h2>

The expressions that are equal to 6 are:

                       (6) , -(-6)

<h2>Step-by-step explanation:</h2>

We are asked to find the expressions which are equal to 6.

a)

          (6)

We know that on opening the parentheses term if the sign before the parentheses is positive then the number remains the same.

but if the sign before the parentheses is negative then the number gets reversed.

Hence, the number is equal to 6.

b)

         (-6)

The number is equal to -6.

c)

          -(6)

The number is equal to -6.

d)

           -(-6)

The number is equal to 6.

e)

          (0-6)

The number is equal to -6.

f)

    (-2) · (3)

The number is equal to -6.

( We know that the multiplication of a negative and a positive number is always a negative number ).

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Answer:

x = 7

Step-by-step explanation:

A triangle's total interior angle measurement will equal 180°.

Set all measurements equal to 180:

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Simplify. Combine like terms:

(82 - 6 - 1) + (9x + 6x) = 180

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(75) + 15x = 180

Next, isolate the variable, x. Note the equal sign, what you do to one side, you do to the other. Do the opposite of PEMDAS.

PEMDAS is the order of operation, and stands for:

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~

First, Subtract 75 from both sides of the equation:

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15x + 75 (-75) = 180 (-75)

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Next, divide 15 from both sides of the equation:

(15x)/15 = (105)/15

x = 105/15

x = 7

7 is your value for x.

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3 0
3 years ago
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