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2 years ago

1.(01.01)

Mathematics

1 answer:

Alja [10]2 years ago

5 0

The right answer is: Add 1, then divide by 6

Step-by-step explanation:

Given equation is:

$6x-1 = 11$

The solution of equation means that we have to isolate the variable on one side of the equation

So,

We will solve the equation to write the sequence of operations

So,

Adding 1 on both sides

$6x-1+1 = 11+1\\6x = 12$

Dividing both sides by 6

$\frac{6x}{6} = \frac{12}{6}\\x = 2$

We can see that the sequence is: Add 1 then divide by 6

Hence,

The right answer is: Add 1, then divide by 6

Keywords: Linear equation, variable

Learn more about linear equation at:

#LearnwithBrainly

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Substituting:

$\begin{gathered} t=\frac{9\pm\sqrt[]{81-4(2)(-18)}}{2(2)} \\ t=\frac{9\pm\sqrt[]{81+144}}{4} \\ t=\frac{9\pm\sqrt[]{225}}{4} \\ t=\frac{9\pm15}{4} \end{gathered}$

We have two possible answers:

$\begin{gathered} t=\frac{9+15}{4}=6 \\ t=\frac{9-15}{4}=-\frac{3}{2} \end{gathered}$

We only accept the positive answer because the time cannot be negative.

Now calculate the position for t = 6:

$undefined$

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1 year ago