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pshichka [43]
2 years ago
9

Prove that ✓-36 does not exist in the Real Numbers

Mathematics
1 answer:
eimsori [14]2 years ago
7 0

Answer:

undefined

Step-by-step explanation:

Becouse any number under a root sign that is negative does not give any answer.Therefore it doesn't exist in real number system.

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Ipatiy [6.2K]

Step-by-step explanation:

<em>I</em><em> </em><em>didn't</em><em> </em><em>understand</em><em> </em><em>a thing</em><em> </em><em>.</em><em>.</em><em>.</em><em>.</em><em>.</em>

8 0
2 years ago
Read 2 more answers
5+7k&gt;=-30 and -4k +4&gt;20​
Slav-nsk [51]

Answer:

\large\boxed{-5\leq k

Step-by-step explanation:

5+7k\geq-30\ \wedge\ -4k+4>20\\\\5+7k\geq-30\qquad\text{subtract 5 from both sides}\\7k\geq-35\qquad\text{divide both sides by 7}\\\boxed{k\geq-5}\\\\-4k+4>20\qquad\text{subtract 4 from both sides}\\-4k>16\qquad\text{change the signs}\\4k

7 0
3 years ago
Find the missing dimension.
Alecsey [184]

Answer:

2 m

Step-by-step explanation:

Here the area and the lengths of the two parallel sides of this trapezoid are given:

A = 7m^2, b1 = 3 m and b2 = 4 m.  What's missing is the width of the trapezoid.

First we write out the formula for the area of a trapezoid:

       b1 + b2

A = --------------- * w, where w represents the width of the figure.

             2

We need to solve this for the width, w.  Multiplying both sides of the above equation by

     2

------------

b1 + b2

results in

 2A

------------ = w

b1 + b2

Substituting 7 m^2 for A, 3 m for b1 and 4 m for b2 results in

        2(7 m^2)           14 m^2

w = ------------------ = ---------------- = 2 m

        (3 + 4) m             7 m

The missing dimension is the width of the figure.  This width is 2 m.

4 0
3 years ago
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professor190 [17]

Answer:

a. 60 degrees

b. 300 degrees

c. 12π

d. 2π

e. 10π

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g. 6π

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3 years ago
Which graph represents y as a function of x. <br><br> i will mark branlist
allsm [11]

Answer:

The very first graph is your answer

Step-by-step explanation:

3 0
3 years ago
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