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nordsb [41]
3 years ago
5

Simplify the expression: the square root of -13 times the square root of -26 calculator

Mathematics
1 answer:
Rasek [7]3 years ago
6 0
Sqrt -13  = sqrt13 i
sqrt  -26  =  sqrt2 * sqrt13i 

sqrt-13 * sqrt -26  = sqrt2 * 13*  i^2  = -13 sqrt2 (because i^2 = -1)

answer is -13 sqrt2
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47. The legs of a triangle measure 7 mm and 24 mm. What length hypotenuse makes the triangle a right triangle?
k0ka [10]

Answer:

B

Step-by-step explanation:

according to pythagorean

7^{2} + 24^{2} =x^{2} (x>0)

=> x^{2} =625

=>x=\sqrt{625} = 25

6 0
3 years ago
Point J has coordinates (–3, 4) in the coordinate plane. Point K has coordinates (3, 4). Both points will be reflected across th
kumpel [21]

The location of the image of points <em>J </em>and <em>K </em>following a reflection across the x-axis are;

  • J'(-3, -4), and K'(3, -4)

<h3>Which method can be used to find the image of a point following a reflection?</h3>

Coordinates of point are;

J(-3, 4), K(3, 4)

The given transformation is; A reflection across the x-axis

The representation of a reflection across the x-axis is presented as follows;

  • (x, y) → (x, -y)

The image of <em>J </em>and <em>K </em>following a transformation across the x-axis are therefore;

  • J(-3, 4) → J'(-3, -4)

  • K(3, 4) → K'(3, -4)

Learn more about reflection transformation on the coordinate plane here:

brainly.com/question/8242111

#SPJ1

8 0
2 years ago
A line passes through the points (-4,5) and (1,-5). Write the equation of the line in slope-
sweet [91]

Answer:

y = -2x - 3

Step-by-step explanation:

Slope: (5 - - 5)/(-4 -1) = 10/-5 = -2

y-intercept: 5 - (-2)(-4) = -3

4 0
3 years ago
Add or subtract as indicated.
Bas_tet [7]
??? ????,,,,,,,,???????,,
7 0
3 years ago
3x2 + 7x+3<br> 5x2 + 12x
MaRussiya [10]

Final result :

 19x2 + 119x - 28

 ————————————————

        7        

6 0
3 years ago
Read 2 more answers
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