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Leviafan [203]
3 years ago
6

What is the square root of -1? -j. -1

Mathematics
1 answer:
Sindrei [870]3 years ago
7 0

Answer:

Its not a real number for the square roots of negative number

its not possible... \sqrt{-4} = -2 x -2   no...   2 x 2   no..... -2 x 2 yea but thats not square root anymore...

Step-by-step explanation:

Give me brainliest!!!

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never [62]

Answer:

C) -2.5<3

Hope this helps!

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6 0
3 years ago
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Find the value of x so that the function has the givin value<br><br> n(x)=2x+7, n(x)=17
Sunny_sXe [5.5K]

Answer: x=5

Step-by-step explanation:

Substitute 17 for n(x)

17=2x+7

Subtract 7 from both sides

10=2x

Divide each side by 2 to get the x by itself

x=5

6 0
3 years ago
Use the diagram to answer the question.
Firlakuza [10]
D.Q (3,0)
I think
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8 0
3 years ago
the temperature at 3:00 pm was 35°F. The temperature had dropped 45 degrees by 9:00 pm. What was the tempeture in degrees fahren
Natali [406]
-10 degrees Fahrenheit
35-45=-10
6 0
3 years ago
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X^2+2x+9=0 please?!<br>​
Nadusha1986 [10]

Answer:

D

Step-by-step explanation:

Given a quadratic equation in standard form : ax² + bx + c = 0

We can solve for x using the quadratic formula

x² + 2x + 9 = 0 ← is in standard form

with a = 1, b = 2 and c = 9

x = ( - 2 ± \sqrt{2^2-(4(1)(9)}) / 2

  = ( - 2 ± \sqrt{4-36}) / 2

  = (- 2± \sqrt{-32}) / 2)

  = (- 2 ± \sqrt{16(2)(-1)}) / 2

  = ( - 2 ± 4i\sqrt{2}) / 2

  = \frac{-2}{2} ± \frac{4i\sqrt{2} }{2}

  = - 1 ± 2i\sqrt{2} → D

5 0
3 years ago
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