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FromTheMoon [43]
3 years ago
12

Hi, prove that (AXB).(CXD)+(BXC).(AXD)+(CXA).(BXD)=0

Mathematics
1 answer:
slava [35]3 years ago
5 0
No.i will not prove that.
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UkoKoshka [18]
The answer of average rate o change is 2. Hope it help!
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3 years ago
17.
Hitman42 [59]
<h3>Solution:</h3>

Using formula (a-b)^2 = a^2-2ab+b^2

4x^{2}  - 12x + k \\  =  > (2x) ^{2}  - 2(2x)(3) +  {3}^{2}  \\  \\  =  >  {(2x)}^{2}  - 2(2x)(3) + 9

<h3>Answer:</h3>

k = 9

8 0
2 years ago
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3 years ago
Area for a kite<br> I don’t know how to find the area pls help
dusya [7]

Answer:

63.966

Step-by-step explanation:

Area of a kite is

\frac{pq}{2}

where p and q are the diagonals.

The horinzontial diagonal is 8.

We need to find the vertical diagonal length.

The top triangle diagonal measure is

{4}^{2}  +  {x}^{2}  =  {7}^{2}

16 +  {x}^{2}  = 49

{x}^{2}  = 33

x =  \sqrt{33}

The bottom triangle diagonal measure is

{4}^{2}  +  {x}^{2}  =  {11}^{2}

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{x}^{2}  = 105

x =  \sqrt{105}

Add the two diagonals.

\sqrt{105}  +  \sqrt{33}

Substitute this in for the formula

\frac{8 \times ( \sqrt{105}  + \sqrt{33}  }{2}

Which simplified gu

Ives us

63.966

Round if neededd.

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3 years ago
Which is NOT true about the solution to the equation?<br><br> x + 2.27 = 1.53
satela [25.4K]
What is NOT true about the solution is that it can have different values
8 0
3 years ago
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