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ser-zykov [4K]
3 years ago
11

Can u help me. if answer is correct, i will give u brainliest

Mathematics
1 answer:
den301095 [7]3 years ago
7 0

Answer:

135 units²

Step-by-step explanation:

The area (A) of a parallelogram is calculated as

A = bh ( b is the base and h the perpendicular height )

To calculate h use Pythagoras' identity on the right triangle on the left

h² + 8² = 17²

h² + 64 = 289 ( subtract 64 from both sides )

h² = 225 ( take the square root of both sides )

h = \sqrt{225} = 15 , thus

A = 9 × 15 = 135 units²

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3 years ago
Which is the additive inverse of the complex number -8+3i?
lawyer [7]
The additive inverse of a complex z is a complex number -z, so that

\mathsf{z+(-z)=-z+z=0+0i=0}


Finding -z:

\mathsf{z=-8+3i}\\\\\\ \mathsf{z+(-z)=0+0i}\\\\\ \mathsf{-8+3i+(-z)=0+0i}\\\\ \mathsf{-z=0+0i+8-3i}\\\\ \mathsf{-z=(0+8)+(0i-3i)}\\\\ \boxed{\begin{array}{c}\mathsf{-z=8-3i} \end{array}}\qquad\checkmark


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Tags: <em>complex number additive inverse opposite algebra</em>

3 0
3 years ago
Factor the following expression <br> 10x^5+5x^3-14x^2-7-
Tatiana [17]

Answer:

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Step-by-step explanation:

Given expression is,

10x^5+5x^3-14x^2-7

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=2x^2(5x^3-7)+5x^3-7     (Taking 2x^3 common from first two terms )

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2 years ago
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larisa86 [58]

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Step-by-step explanation:

3 0
3 years ago
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inysia [295]

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I attached the picture

5 0
2 years ago
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