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tankabanditka [31]
3 years ago
9

Help please :))10 points​

Mathematics
1 answer:
DaniilM [7]3 years ago
6 0

Answer:

  54 -3n²

Step-by-step explanation:

The square of a number (n) is represented by n². Three times that value is represented by 3n².

The relation "a is subtracted from b" is represented as ...

  b - a

When 3n² is subtracted from 54, the appropriate representation is ...

  54 -3n²

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Step-by-step explanation:

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3 years ago
Are the graphs of −5y=2x+3 and y=25x+4 parallel, perpendicular, or neither?
saw5 [17]
Parallel graphs have the same slope. perpendicular has opposite reciprocal slopes. These equations have slopes of -2/5 and 25 so they are neither.
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3 years ago
How do I graph {3,1,-1,-3}​
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3 years ago
River C is 500 miles longer than River D. If the sum of their lengths is 5,560 miles, what is the length of each river?
AleksAgata [21]

Answer:

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8 0
3 years ago
Please explain how you find the slope of a graph? Please explain with photos.
gogolik [260]

☁️ Answer ☁️

Here's what I found:

Identify the coordinates (x₁,y₁)and(x₂,y₂). We will use the formula to calculate the slope of the line passing through the points (3,8) and (-2, 10).

Input the values into the formula. This gives us (10 - 8)/(-2 - 3).

Subtract the values in parentheses to get 2/(-5).

Simplify the fraction to get the slope of -2/5.

Check your result using the slope calculator.

To find the slope of a line we need two coordinates on the line. Any two coordinates will suffice. We are basically measuring the amount of change of the y-coordinate, often known as the rise, divided by the change of the x-coordinate, known the the run. The calculations in finding the slope are simple and involves nothing more than basic subtraction and division.

Here's the link:

https://www.omnicalculator.com/math/slope#:~:text=How%20to%20find%20slope%201%20Identify%20the%20coordinates,5%20Check%20your%20result%20using%20the%20slope%20calculator.

Here's a video to help you: https://m.you tube.com/watch?v=wvzBH46D6ho

(Just remove the space)

Hope it helps.

Have a nice day noona/hyung.

4 0
3 years ago
Read 2 more answers
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