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Effectus [21]
3 years ago
7

5x + 2y = 12 5x – 2y = 28 What is the solution to the system of equations?

Mathematics
1 answer:
Katena32 [7]3 years ago
6 0

Answer: x=12/5–2y/5, and same thing x=28/+2y/5

Step-by-step explanation:

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X- intercepts is when x equals 0 and y- intercepts is when y equals 0. So, if the x is the time and the y is the height, the coordinates for the x- intercept is (0,3), and the y- intercept (7,0)
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3 years ago
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Sandra has 46 fewer coins than Martha. Sandra has 57 coins . how many coins does Martha have?
hoa [83]
M = 57+46
(Since she has 46 less then martha, you know to find how many martha has you have to add 46!)

M=103

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3 years ago
What additional information is obtained by measuring two individuals on an ordinal scale compared to a nominal scale
velikii [3]

The direction of the difference between the 2 measurements.

<h3>What is nominal and ordinal scale with example?</h3>
  • Examples of data for a nominal scale include a person's gender, ethnicity, and hair color.
  • On the other hand, an ordinal scale requires putting data in a certain order, or in relation to one another and "ranking" each parameter (variable).

<h3>What is the difference nominal and ordinal?</h3>
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  • A number that can be measured, however, will always be present in numerical or quantitative data.

<h3>What is an example of a ordinal scale?</h3>
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Learn more about ordinal scale and  nominal scale here:

brainly.com/question/15998581

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8 0
2 years ago
Determine the equation of the line that passes through the point (7, -23)and is perpendicular to the line y=1/3x-6Enter your ans
marishachu [46]

We have a line y = 1/3x -6

We want a line that is perpendicular to this line

Perpendicular lines have slopes that multiply to -1

1/3 * m = -1

3 * 1/3 *m = -1 * 3

m = -3

The slope of the perpendicular line is -3

y = mx+b where m is the slope and b is the y intercept

y = -3x+b

We have a point on the line ( 7 ,-23)

Substitute this point into the equation

-23 = -3(7)+b

-23 = -21+b

Add 21 to each side

-23+21 = -21+21+b

-2 = b

y = -3x-2

In slope intercept form, the line perpendicular passing through (7,-23) is

y = -3x-2

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1 year ago
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