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nadezda [96]
3 years ago
12

Application of linear equation in two variable in real life

Mathematics
1 answer:
Ivan3 years ago
6 0
We can compare the two units or object performances by that.... even in the case of magnitude lower than zero....
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Calculate the value of 3x + 4y when x = -6 and y = 5.
MArishka [77]

Answer:

x = -6

-18+4y=0 => 4y=18 =>y=18/4=9/2

Y=5

3x+20=0 => x=3x= -20=> x= -20/3

Step-by-step explanation:

5 0
3 years ago
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Sara works for a hair salon and receives tips from her customers. The weekly tips
Monica [59]

Answer:

mean: 107.86

median: 100

range: 140

mode: 100

Step-by-step explanation:

3 0
2 years ago
75 girls at a summer camp were asked to complete a survey about their favorite outdoor activity. 27 girls chose swimming and 32
Oduvanchick [21]

ANSWER

Find out the expression gives the percent of survey participants who chose swimming.

To proof

As given

75 girls at a summer camp were asked to complete a survey about their favorite outdoor activity.

27 girls chose swimming

32 girls chose hiking.

FORMULA

Percentage = \frac{Part\times100}{whole}

total girls  = 75

girls chose swimming = 27

put in the formula

= \frac{27\times100}{75}

= 36%

36% of survey participants who chose swimming

Hence proved

3 0
3 years ago
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Which set of numbers could be the length of the sides
Svetllana [295]

Answer: Choice C)  {6, 9, 12}

=======================================================

Explanation:

Something like choice A can't form a triangle because the first two sides add to 6+9 = 15, which is <u>not</u> longer than the third side 15. We need to have x+y > z to be true. The same goes for choice B as well because 3+3 = 6 is too small compared to the third side 7. Choice D is similar to choice A.

In short, we can rule out choices A, B, and D.

The only thing left is choice C. Picking any two sides leads to having that sum be larger than the third side

  • 6+9 = 15 which is larger than 12
  • 9+15 = 24 which is larger than 6
  • 6+15 = 21 which is larger than 9

So the conditions of the triangle inequality theorem work out here, and we have a triangle.

3 0
3 years ago
Consider the linear function that is represented by the equation y=-10x+6 and the linear function that is represented by the equ
Andru [333]

The function that is represented by the equation y=-10x+6 has a steeper slope and a greater y-intercept.

4 0
3 years ago
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