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iVinArrow [24]
3 years ago
12

How do you plot x=y on a graph

Mathematics
2 answers:
EastWind [94]3 years ago
8 0
Https://youtu.be/YjxcvzvRBdU
VARVARA [1.3K]3 years ago
4 0
To plot any function, you can write a table in which your first column is x and the second is y. In this case you can think intuitively. Since y=x means that every value that x has will be the same as y. In the coordinate plane, that would mean that when x is 0 y is 0, when x is 1 y is 1, when x is -5 y is -5, when x is a million, y is a million. You can pick 2 values for x (choose 0 and 1 since they are easy to graph) and then draw a line through those two points.

If you're familiar with the equation of a line, the slope-intercept form is y=mx+b. In your case, b is 0 and m is 1, meaning that the y-intercept is 0 and the line has a slope of 1.
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A stained glass window is going to be installed in a semi-circular opening, which is above a 30 inch wide door. If the stained g
xenn [34]
The answer is <span>$494.55</span>

Let's first imagine a circle and calculate its area and then reduce it in half for the area of a semi-circle. Since this opening is above <span>a 30-inch wide door, the circle will have a diameter of 30 inches.
The area of the circle (A) is:
A = </span>π · r²
where:
π = 3.14
r - radius: r = diameter ÷ 2 = 30 ÷ 2 = 15 inches

So, the area of the circle is:
A = π · r² = 3.14 · 15² = 706.5 inches²

The area of the semicircle is half of the area of the circle:
A1 = A ÷ 2 = 706.5 ÷ 2 = 353.25 inches²

Since  the stained glass window costs $1.40 <span>per square inch, for 353.25 square inches it will cost $494.55:
353.25 square inches * 1.40 $/square inch = $494.55</span>
4 0
3 years ago
Help please this is urgent
yulyashka [42]

Answer:

64 degrees.

Step-by-step explanation:

This is because the arrow that is not horizontal is pointing to that number.

3 0
2 years ago
Which equation could represent the relationship shown in the scatter plot?
KonstantinChe [14]
Choice D : look at where you think the line would be if it followed the direction of the data so that about half of the points fell above the line and half below. The two most important things to note are the slope of the line and y intercept.
This is a negative relationship as the line falls as you read it from left to right. That eliminates choice C. Next, it appears the line of best fit would have a y intercept around 10 on the y axis and then fall down and to the right cutting the data. Note that choices A and B have y intercepts that don't make sense for the data. Choice D does have a y intercept of 10 and a negative slope.
8 0
3 years ago
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You work for a horse farrier. You take a random sample of 75 Quarter Horses and determine that their mean height is 15.2 hands.
Evgesh-ka [11]

Answer:

B) You conclude that the mean height of all Quarter Horses is close to 15.2 hands

Step-by-step explanation:

5 0
3 years ago
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What is the value of r? 1.2r−1 1.3r=40
Alexus [3.1K]
  the value is 
1.2r-11.3r=40

-10.Ir=40
r=40/-10.1
r=-0.2525
 
hope this helps :):):)
4 0
3 years ago
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