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Reika [66]
3 years ago
13

Explain how you would solve 5x - 3 = 9. (there should be a minimum of 2 complete sentences). *

Mathematics
2 answers:
SpyIntel [72]3 years ago
7 0
Haha, you first start off with adding 3 to both sides, cancelling the -3, and adding it to 9. you end up with 5x=12, in which you divide both sides by 5. you get 2 and 2/5 or 12/5! hope that helps :)
Mrrafil [7]3 years ago
4 0

Answer: First, you would need identify what needs to be moved in order for the coefficient (5) and the variable x to be alone on one side of the equal sign.You'll see that -3 must be moved across the equal sign,resulting in 5x standing alone on one side. -3 has to be canceled out so you +3 to make it zero and +3 on the opposite side of the equal sign. The equation would now be 5x=12 because 9+3 is equivalent to 12.Now you perform division, dividing both sides by 5 for the x(variable) to stand alone. The answer is x= twelve-fifths(12/5).Then you will obviously you plug it back in to ensure of a correct answer.

Step-by-step explanation:Answer: First, you would need identify what needs to be moved in order for the coefficient (5) and the variable x to be alone on one side of the equal sign.You'll see that -3 must be moved across the equal sign,resulting in 5x standing alone on one side. -3 has to be canceled out so you +3 to make it zero and +3 on the opposite side of the equal sign. The equation would now be 5x=12 because 9+3 is equivalent to 12.Now you perform division, dividing both sides by 5 for the x(variable) to stand alone. The answer is x= twelve-fifths(12/5).Then you will obviously you plug it back in to ensure of a correct answer.

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Explain how showing fractions with models and a number line are alike and different?
Otrada [13]
Showing fractions can be expressed in model and number line.
Using a model, you have to draw the number of parts (denominator) and shade the number of parts (numerator).

Using a number line, the line starts from 0 to the number of the denominator. You put a marker to the number that is the same as the numerator.

Both model and number line use the value of the numerator and denominator. What makes them different is how they are presented. Model can easily be understood compared to number line.
5 0
3 years ago
Drag the tiles to the correct boxes to complete the pairs. Not all tiles will be used. Consider the functions given below. SEE F
Wewaii [24]

Answer:

1. P(x) ÷ Q(x)---> \frac{-3x + 2}{3(3x - 1)}

2. P(x) + Q(x)---> \frac{2(6x - 1)}{(3x - 1)(-3x + 2)}

3.  P(x) - Q(x)---> \frac{-2(12x - 5)}{(3x - 1)(-3x + 2)}

4. P(x)*Q(x) --> \frac{12}{(3x - 1)(-3x + 2)}

Step-by-step explanation:

Given that:

1. P(x) = \frac{2}{3x - 1}

Q(x) = \frac{6}{-3x + 2}

Thus,

P(x) ÷ Q(x) = \frac{2}{3x - 1} ÷ \frac{6}{-3x + 2}

Flip the 2nd function, Q(x), upside down to change the process to multiplication.

\frac{2}{3x - 1}*\frac{-3x + 2}{6}

\frac{2(-3x + 2)}{6(3x - 1)}

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

2. P(x) + Q(x) = \frac{2}{3x - 1} + \frac{6}{-3x + 2}

Make both expressions as a single fraction by finding, the common denominator, divide the common denominator by each denominator, and then multiply by the numerator. You'd have the following below:

\frac{2(-3x + 2) + 6(3x - 1)}{(3x - 1)(-3x + 2)}

\frac{-6x + 4 + 18x - 6}{(3x - 1)(-3x + 2)}

\frac{-6x + 18x + 4 - 6}{(3x - 1)(-3x + 2)}

\frac{12x - 2}{(3x - 1)(-3x + 2)}

= \frac{2(6x - 1}{(3x - 1)(-3x + 2)}

3. P(x) - Q(x) = \frac{2}{3x - 1} - \frac{6}{-3x + 2}

\frac{2(-3x + 2) - 6(3x - 1)}{(3x - 1)(-3x + 2)}

\frac{-6x + 4 - 18x + 6}{(3x - 1)(-3x + 2)}

\frac{-6x - 18x + 4 + 6}{(3x - 1)(-3x + 2)}

\frac{-24x + 10}{(3x - 1)(-3x + 2)}

= \frac{-2(12x - 5}{(3x - 1)(-3x + 2)}

4. P(x)*Q(x) = \frac{2}{3x - 1}* \frac{6}{-3x + 2}

P(x)*Q(x) = \frac{2*6}{(3x - 1)(-3x + 2)}

P(x)*Q(x) = \frac{12}{(3x - 1)(-3x + 2)}

4 0
3 years ago
Can someone answer this plssss
Tpy6a [65]

Answer:

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Step-by-step explanation:

I think?? I'm so so sorry I didn't really pay attention to these shape figures in math :(((

3 0
3 years ago
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mrs_skeptik [129]

Answer:

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pashok25 [27]

Answer:

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Step-by-step explanation:

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