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konstantin123 [22]
4 years ago
13

Which would not be a step in solving 3x + 1 + 2x = 2 + 4x?

Mathematics
1 answer:
mrs_skeptik [129]4 years ago
3 0
Hi there! The answer is C.

We don't need to use the distributive property to solve this equation. Distributive property is generally used to work out parenthesis (when solving an eqiation).

3x + 1 + 2x = 2 + 4x
Collect like terms

5x + 1  = 2 + 4x
Collect variable terms on one side.

5x - 4x = 2 - 1
Now our last step is isolating the variable (and in this case we can just do this by collecting like terms).

x = 1
~ Hope this helps you!


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The trigonometric function that best models the data is determined as y = 1.87sin(–0.29x + 4.79) + 6.13.

<h3>Trigonometric function that models the data</h3>

The trigonometric function that best models the data is determined as follows;

y = 1.87sin(-0.29x + 4.79) + 6.13

Use the above equation to check if its gives you values in the table;

<h3>when x = 1</h3>

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<h3>when x = 2</h3>

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y = 1.87sin(4.21 rad) + 6.13

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<h3>when x = 4</h3>

y = 1.87sin(-0.29 x 4  + 4.79) + 6.13

y = 1.87sin(3.63 rad) + 6.13

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<h3>when x = 7</h3>

y = 1.87sin(-0.29 x 7  + 4.79) + 6.13

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y = 6.8

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y = 1.87sin(-0.29 x 9  + 4.79) + 6.13

y = 1.87sin(2.18 rad) + 6.13

y =7.7

<h3>when x = 10</h3>

y = 1.87sin(-0.29 x 10  + 4.79) + 6.13

y = 1.87sin(1.89 rad) + 6.13

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<h3>when x = 13</h3>

y = 1.87sin(-0.29 x 13  + 4.79) + 6.13

y = 1.87sin(1.02 rad) + 6.13

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<h3>when x = 17</h3>

y = 1.87sin(-0.29 x 17  + 4.79) + 6.13

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<h3>when x = 20</h3>

y = 1.87sin(-0.29 x 20  + 4.79) + 6.13

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Thus, the trigonometric function that best models the data is determined as y = 1.87sin(–0.29x + 4.79) + 6.13.

Learn more about trigonometry functions here: brainly.com/question/1143565

#SPJ1

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