3 years ago

How to graph linear equations

Mathematics

1 answer:

Rainbow [258]3 years ago

7 0

To graph a linear equation,you can use the slope and y-intercept.

Locate the y-intercept on the graph and plot the point.

From this point, use the slope to find a second point and plot it.

Draw the line that connects the two points.

y= mx+b

b is y intercept

m is slope

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Find the meaure of the central angle the sector area is 169.56 and the radius is 9

BaLLatris [955]

Since the area of a circle is π $r^{2}$ , and our radius is 9 we know the total area to be 254.469, and the ratio of sector area to total area is 169.56/254.469 = .6663. There are 360 degrees in a circle, so: $c = 360(.6663)$ ≈ 240°

240 degrees

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3 years ago

The sum of two numbers is 19, and their difference is 55. What are the two numbers?

Vilka [71]

Answer:

37 and -18

Step-by-step explanation:

Let one number be x and other y

1 x + 1 y = 19 .............1

1 x -1 y = 55 .............2

Eliminate y

multiply (1)by 1

Multiply (2) by 1

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2 x = 74

/ 2

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3 years ago

Which one is the answer?

ziro4ka [17]

Answer: its B because it does not pass the vertical line test

6 0

2 years ago

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Circle P has a radius of 45units. It includes a sector with a central angle of x˚ and an area of 1 square unit. Which proportion

lilavasa [31]

Step-by-step explanation:

area of sector =x°/360×π×r²

1unit²=x°/360×π×45²

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i think this is your answer.

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2 years ago

The Fort Worth Zoo had 6,195 visitors last week. The zoo is open seven days a

umka21 [38]

Answer:

Step-by-step explanation:

From the problem statement, we can setup the following equation:

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where $N$ is the number of people that would show up to the zoo on a given day.

Dividing both sides by 7 will give us the answer:

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3 years ago