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3 years ago

1. What is the equation of a line that passes through the point (0, 3) and has a slope of 2?

Mathematics

1 answer:

Grace [21]3 years ago

7 0

Answer:

2x+3=y

Step-by-step explanation:

We need to fill in the equation mx+b=y

You told me the slope(m) is 2 so we can change m to 2. You also told me the y intercept(b) is 3. SO we can change b to 3. Our new equation is 2x+3=y and that is your answer

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A line passes through the points R(-1,-5) and S(-3,-1). Write the equation of the line through the point A(4,0) that is parallel

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3 years ago

Sam watched television the past five nights for 42 minutes, 23 minutes, 56 minutes, 19 minutes, and 67 minutes. What was the med

guajiro [1.7K]

Answer:

42 minutes is the median amount of time

Step-by-step explanation:

The Median is the middle value of data set.

If there is "odd" number of numbers, and there are n numbers, the median is:

(n/2) + 1 th number

If there is "even" number of numbers, and there are n numbers, the median is:

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Here, we have 5 numbers, so the median would be:

(5/2) + 1 th number

That is

3rd number

But, we need to arrange the numbers from least to greatest. Lets write it:

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3 0

3 years ago

What is the distance between the points (2, 5) and (5,7)?

Svetlanka [38]

Answer:

$\sqrt{13}$

Step-by-step explanation:

The distance formula that gives the distance between two points is given as:

$d=\sqrt{(x_2-x_1)^2+(y_2-y_1)^2}$

Plugging in our given points, we get:

$d=\sqrt{(5-2)^2+(7-5)^2},\\d=\sqrt{3^2+2^2},\\d=\sqrt{9+4},\\d=\fbox{$\sqrt{13}$}$ .

6 0

3 years ago

If x varies inversely as y, and x=27 when y=6 find x when y=2

kondaur [170]

For this case we have that the inverse variation is defined as:

$y = \frac {k} {x}$

Where:

k: It is the constant of proportionality

According to the statement we have:

$x = 27\\y = 6\\6 = \frac {k} {27}$

We find the constant of proportionality:

$k = 27 * 6\\k = 162$

Then we find the value of x when $y = 2$ :

$2 = \frac {162} {x}\\x = \frac {162} {2}\\x = 81$

Answer:

$x = 81$

7 0

3 years ago