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____ [38]
3 years ago
7

Whars 0.84 repeating as a fraction in simplest form?

Mathematics
1 answer:
madam [21]3 years ago
4 0

Answer:

28/33

Step-by-step explanation:

Let x represent the value of the fraction.

x=0.\overline{84}\\100x=84.\overline{84}\\100x-x=99x=84.\overline{84}-0.\overline{84}=84\\\\x=\dfrac{84}{99}\qquad\text{divide by 99}\\\\x=\dfrac{28}{33}\qquad\text{in simplest terms}

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<em>Note: Your answer choices remain a little unclear. But, I have solved the concept and solution, so you can easily figure it out.</em>

Answer:

\left(-7x^0+5x^2-x+6\right)-\left(-8x^2+x+3\right)=13x^2-2x-4

Step-by-step explanation:

Given the expression

\left(-7x^0+5x^2-x+6\right)-\left(-8x^2+x+3\right)

solving the expression

=-7x^0+5x^2-x+6-\left(-8x^2+x+3\right)

apply the rule: a^0=1,\:a\ne \:0

=-7+5x^2-x+6-\left(-8x^2+x+3\right)

=-7+5x^2-x+6+8x^2-x-3

simplify

=13x^2-2x-4

Therefore, the simplified form is:

\left(-7x^0+5x^2-x+6\right)-\left(-8x^2+x+3\right)=13x^2-2x-4

<em>Note: Your answer choices remain a little unclear. But, I have solved the concept and solution, so you can easily figure it out.</em>

8 0
3 years ago
If 1=3<br> 2=3<br> 3=5<br> 4=4<br> 5=4<br> Then, 6=?
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Step-by-step explanation:

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Answer:

The answer to your question is x = 64; y = 20

Step-by-step explanation:

Angles    2x + 2  and 130° are vertical angles so they measure the same.

                           2x + 2 = 130

- Solve for x

                           2x = 130 - 2

                           2x = 128

                             x = 128/2

                             x = 64

Angles  3y - 10 and 50° are vertical angles, so they measure the same.

                           3y - 10 = 50

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                           3y = 60

                             y = 60/3

                            y = 20

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