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Korvikt [17]
2 years ago
10

2/7+1/7+1/7= answer plss

Mathematics
2 answers:
Gnom [1K]2 years ago
7 0

Answer:

2÷7+1÷7+1÷7 = 0.57142857142

Leya [2.2K]2 years ago
6 0

Answer:

\frac{4}{7}

Step-by-step explanation:

\frac{2}{7} + \frac{1}{7} + \frac{1}{7}

= \frac{2+1+1}{7}

= \frac{4}{7}

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alukav5142 [94]

Answer:

Step-by-step explanation:

6 percent of 90 is 5.4

6 percent *90 =

( 6:100)*90 =

( 6*90):100 =

540:100 = 5.4

6 0
3 years ago
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Which of the following is supporting evidence of the given statement?
Licemer1 [7]

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B

Step-by-step explanation:

killa queen disan no bakuda bites za dusto

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3 years ago
What is the difference?
AfilCa [17]

Answer:

Option b) is correct.

The difference of given expression is

\left(\frac{2x+5}{x^2-3x}\right)-\left(\frac{3x+5}{x^3-9x}\right)-\left(\frac{1x+1}{x^2-9}\right)=\frac{(x+2)(x+5)}{(x^3-9x)}

Step-by-step explanation:

Given expression is

\left(\frac{2x+5}{x^2-3x}\right)-\left(\frac{3x+5}{x^3-9x}\right)-\left(\frac{1x+1}{x^2-9}\right)

To find their difference

\left(\frac{2x+5}{x^2-3x}\right)-\left(\frac{3x+5}{x^3-9x}\right)-\left(\frac{x+1}{x^2-9}\right)

The expression can be written as below

\left(\frac{2x+5}{x^2-3x}\right)-\left(\frac{3x+5}{x^3-9x}\right)-\left(\frac{x+1}{x^2-9}\right)=\left(\frac{2x+5}{x (x-3)}\right)-\left(\frac{3x+5}{x(x^2-9)}\right)-\left(\frac{x+1}{x^2-9}\right)

=\left(\frac{2x+5}{x(x-3)}\right)-\left(\frac{3x+5}{x(x^2-3^2)}\right)-\left(\frac{x+1}{x^2-3^2}\right)

=\left(\frac{2x+5}{x(x-3)}\right)-\left(\frac{3x+5}{x(x+3)(x-3)}\right)-\left(\frac{x+1}{(x+3)(x-3)}\right) (using a^2-b^2=(a+b)(a-b))

=\frac{(2x+5)(x+3)-(3x+5)-(x+1)x}{x(x+3)(x-3)}

=\frac{2x^2+6x+5x+15-3x-5-x^2-x}{x(x+3)(x-3)}

=\frac{x^2+7x+10}{x(x+3)(x-3)}

=\frac{(x+2)(x+5)}{x(x+3)(x-3)}

=\frac{(x+2)(x+5)}{x(x^2-3^2)}   (using a^2-b^2=(a+b)(a-b))

=\frac{(x+2)(x+5)}{x(x^2-9)}

=\frac{(x+2)(x+5)}{(x^3-9x)}

Therefore \left(\frac{2x+5}{x^2-3x}\right)-\left(\frac{3x+5}{x^3-9x}\right)-\left(\frac{1x+1}{x^2-9}\right)=\frac{(x+2)(x+5)}{(x^3-9x)}

Option b) is correct.

The difference of given expression is

\left(\frac{2x+5}{x^2-3x}\right)-\left(\frac{3x+5}{x^3-9x}\right)-\left(\frac{1x+1}{x^2-9}\right)=\frac{(x+2)(x+5)}{(x^3-9x)}

3 0
3 years ago
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zheka24 [161]

Answer/Step-by-step explanation:

3. Function: NO

Justification: there will be more than one y-value/output related to one x-value/input.

4. Function: YES

Justification: There are exactly one y-value/output related to each input/x-value in the relation.

5. Function: YES

Justification: each x-value/input is mapped to exactly one y-value/output. No input value is mapped to more than one output value.

6 0
3 years ago
PLEASE HELP WITH THIS ONE QUESTION
Zarrin [17]

Answer:

The last option of these question

6 0
2 years ago
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