1 year ago

What is the first step in solving 5 + = 3?

Mathematics

1 answer:

storchak [24]1 year ago

7 0

Answer:

c subtract 5 from both sides

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In the equation y= -2x what are the possible values of y?

cestrela7 [59]

Y depends on x. And x are the real numbers.

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3 years ago

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andrew11 [14]

Answer: $x=13, y=132$

Step-by-step explanation:

Using the same-side interior angles theorem, $y=132$ .

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saveliy_v [14]

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3 years ago

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Which expression is equivilent to 3x/x+1 divided by x+1?

Sveta_85 [38]

Step-by-step explanation:

$\frac{3x}{x + 1} \div (x + 1) \\ \\ = \frac{3x}{x + 1} \times \frac{1}{(x + 1) } \\ \\ = \frac{3x}{ {(x + 1)}^{2} }$

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3 years ago

I need help with three and four

mart [117]

Answer:

3: $a^{2}+2ab+b^{2}$

4: $8x^{3} -12x^{2}+6x-1$

Step-by-step explanation:

Question 3 can be re-written as:

$(a+b)(a+b)$

which equals:

$a^{2}+2ab+b^{2}$

Question 4 can be re-written as:

$(2x-1)(2x-1)(2x-1)$

Doing the first 2 brackets gives us:

$(4x^{2} -4x+1)(2x-1)$

Expanding these two:

$8x^{3} -4x^{2} -8x^{2} +4x+2x-1$

Simplifying it:

$8x^{3} -12x^{2}+6x-1$

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2 years ago

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