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ExtremeBDS [4]
3 years ago
5

I need help with this is kinda hard

Mathematics
1 answer:
Serggg [28]3 years ago
8 0
A is the answer because the square root of 0.036 is irrational.
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Someone plz answer this problem <br> r + (-5) &lt; -3.
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Answer: r<2

Step-by-step explanation:

r-5+5<-3+5

Cancel out,

r<2

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3 years ago
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PLEASE HELP! Solve each of the following by using the general quadratic formula.
Archy [21]

Using the quadratic formula, the solutions are:

a) x = \frac{3 \pm \sqrt{41}}{4}

b) x = 1 \pm 2i

<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

Item a:

The coefficients are a = 2, b = -3, c = -4, hence:

  • \Delta = (-3)^2 - 4(2)(-4) = 41
  • x_1 = \frac{3 + \sqrt{41}}{4}
  • x_2 = \frac{3 - \sqrt{41}}{4}

Item b:

The coefficients are a = 1, b = 2, c = 2, hence:

  • \Delta = (2)^2 - 4(1)(2) = -4
  • x_1 = \frac{2 + \sqrt{-4}}{2} = 1 + 2i
  • x_2 = \frac{2 - \sqrt{-4}}{2} = 1 - 2i

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

#SPJ1

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2 years ago
What percentage of the budget is Savings of any kind?
yan [13]

Answer:

23%

Step-by-step explanation:

Total: 1,302 +1,550+558 +124 +124+372+558 +558 +248 +310 +496=6200

Savings total: 310 +558 +558=1426

so...

1426/6200= 0.23

23%

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3 years ago
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12 please help answer my question which is why is the uks biome like it is?
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X²+y²+14-4y-11+0 determine the center and the radious
marishachu [46]

Answer:

The Center: (0, 2)

The Radius: 1

Step-by-step explanation:

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3 years ago
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