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elena55 [62]
3 years ago
10

I got this question that says to Complete the table for the given rule. and that is y=5x and it says (the chart has only numbers

under y so you have to find what number x is)
What number is x for 4 and 2
X Y
0 5
0 4
0 2
Mathematics
2 answers:
serg [7]3 years ago
6 0

Answer:

x=0.8 if y=4, x=0.4 if y=2

Step-by-step explanation:

Rearrange the equation to get:

5x= 4 and

5x= 2

Divide equations by 5 to get:

x=0.8

x=0.4

Ainat [17]3 years ago
3 0

Answer:

X     Y

1       5

4/5   4

2/5   2

Step-by-step explanation:

y=5x

We we know y we need to solve for x

X Y

  5

  4

  2

Let y =5

5 = 5x

Divide by 5

5/5 =5x/5

1=x

Let y =4

4 = 5x

Divide by 5

4/5 =5x/5

4/5=x

Let y =2

2 = 5x

Divide by 5

2/5 =5x/5

2/5=x

X     Y

1       5

4/5   4

2/5   2

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ANSWER

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EXPLANATION

We want to use the two points to form a linear equation in slope-intercept form.

That is in the form:

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To do this, we first find the slope by using formula:

m\text{ = }\frac{y_2-y_1}{x_2-x_1}

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So, we have that:

\begin{gathered} m\text{ = }\frac{13\text{ - 10}}{6\text{ - 3}} \\ m\text{ = }\frac{3}{3} \\ m\text{ = 1} \end{gathered}

The slope, m, is 1.

Now, we use the point-slope formula to find the equation. That is:

\begin{gathered} y-y_1=m(x-x_1) \\ \Rightarrow\text{ y - 10 = 1(x - 3)} \\ y\text{ - 10 = x - 3} \\ =>\text{ y = x - 3 + 10} \\ y\text{ = x + 7} \end{gathered}

That is the answer.

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Consider the function c(x)=(x+3) (x-5)2 what are the zeros of c(x)
vekshin1

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Step-by-step explanation:

We can find this by first expanding the function.

c(x) = (x + 3)(x - 5)^2

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