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Sonbull [250]
3 years ago
9

Simplify − 11 50 (1.32 + 0.48)

Mathematics
2 answers:
soldi70 [24.7K]3 years ago
5 0
-15.18 + -5.52 = -20.7
Hope this helps and please give brainliest!
11Alexandr11 [23.1K]3 years ago
4 0
The simplified version is -2070
 
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The angle between the complex numbers 2+2i and -7
anygoal [31]

Answer:Consider the right triangle formed by the complex number in the Argand-Gauss plane and it's projections on the axis. – José Siqueira Nov 12 '13 at 17:21

In particular what is the definition of sine of theta in terms of the known sides of the above mentioned right triangle? – Adam Nov 12 '13 at 17:27

Add a comment

3 Answers

1

Consider the following Argand-diagram

enter image description here

The y-axis is the imaginary axis and the x-axis is the real one. The complex number in question is

x+yi

To figure out θ, consider the right-triangle formed by the two-coordinates on the plane (illustrated in red). Let θ be the angle formed with the real axis.

tanθ=yx

⟹tan−1(yx)

The hypotenuse of the triangle will be

x2+y2−−−−−−√

Therefore,

Step-by-step explanation:

5 0
3 years ago
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Try using synthetic division, if you know it:

     _______________
2  /   6    -19    16    -4
              12     -14    4
    --------------------------
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6, -7 and 2 are the coefficients of the quotient.  The quotient (answer to this question) is

6x^2 - 7x + 2
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Dahasolnce [82]

rate = 200 miles/ 4 hours = 50 miles/hour

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3 years ago
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