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AveGali [126]
3 years ago
5

Sa se determine masurile unghiurilor formate de doua inaltimi ale unui triunghi echilateral

Mathematics
1 answer:
Inessa [10]3 years ago
7 0
Let's determine the
measures of the angles
formed by two heights of an equilateral triangle.
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What is the median of the data set given below?<br> 19, 22, 46, 24, 37, 16, 19, 33
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Answer:

27

Step-by-step explanation:

19+22+46+24+37+16+19+33=216

216/8=27

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Which one matches the picture description
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356.82

Step-by-step explanation:

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How to figure it out
ElenaW [278]
Im not 100% sure but 
A: 10
B: 5     
C: 15
D: 30 
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A: 30 x 1/3 
B: 15 x 1/3
C: 5/ 1/3
D: 10/ 1/3 
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3 years ago
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What is the y-intercept of the following equation of y = 2x - 5?
ANTONII [103]

Answer:

-5

Step-by-step explanation:

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7 0
3 years ago
Noah has a summer tree-trimming business. Based on experience, Noah knows that his profit, P, in dollars, can be modelled by = −
crimeas [40]

Solving quadratic equations, it is found that he needs to charge:

1. He needs to charge $40 to break even.

2. He needs to charge $30 for a profit of $600.

<h3>What is a quadratic function?</h3>

A quadratic function is given according to the following rule:

y = ax^2 + bx + c

The solutions are:

  • x_1 = \frac{-b + \sqrt{\Delta}}{2a}
  • x_2 = \frac{-b - \sqrt{\Delta}}{2a}

In which:

\Delta = b^2 - 4ac

The profit equation in this problem is:

P(x) = -3x² + 150x - 1200.

He breaks even when P(x) = 0, hence:

-3x² + 150x - 1200 = 0.

The coefficients are a = -3, b = 150, c = -1200, hence:

  • \Delta = 150^2 - 4(-3)(-1200) = 8100
  • x_1 = \frac{-150 + \sqrt{8100}}{-6}
  • x_2 = \frac{-150 - \sqrt{8100}}{-6} = 40

He needs to charge $40 to break even.

For a profit of $600, we have that P(x) = 600, hence:

-3x² + 150x - 1200 = 600.

-3x² + 150x - 1800 = 0.

The coefficients are a = -3, b = 150, c = -1800, hence:

  • \Delta = 150^2 - 4(-3)(-1800) = 900
  • x_1 = \frac{-150 + \sqrt{900}}{-6}
  • x_2 = \frac{-150 - \sqrt{900}}{-6} = 30

He needs to charge $30 for a profit of $600.

More can be learned about quadratic equations at brainly.com/question/24737967

#SPJ1

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2 years ago
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