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tester [92]
3 years ago
7

Which vectors represent the reflection of the vector <3, -7> across the x-axis? A. [3/7} B. [-3/7] C. <-3, 7> D. &lt

;3, 7> E. [7/-3] F. <7, -3>
Mathematics
2 answers:
Alexandra [31]3 years ago
3 0

Answer:

D)    < 3, 7)>

Step-by-step explanation:

<u><em>Explanation</em></u>:-

Given that the vector < 3 , -7 >

Given the vector reflection across the x-axis

                   (x,y) → (x , -y)

The vector < 3,-7> →< 3, -(-7)>

                  < 3,-7> →< 3, 7)>

Scorpion4ik [409]3 years ago
3 0

Answer:

The Answer is A and B.  I got it correct.

Step-by-step explanation:

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Find the TWO integers whos product is -12 and whose sum is 1<br>​
ahrayia [7]

Answer:

\rm Numbers = 4 \ and \ -3.

Step-by-step explanation:

Given :-

The sum of two numbers is 1 .

The product of the nos . is 12 .

And we need to find out the numbers. So let us take ,

First number be x

Second number be 1-x .

According to first condition :-

\rm\implies 1st \ number * 2nd \ number= -12\\\\\rm\implies x(1-x)=-12\\\\\rm\implies x - x^2=-12\\\\\rm\implies x^2-x-12=0\\\\\rm\implies x^2-4x+3x-12=0\\\\\rm\implies x(x-4)+3(x-4)=0\\\\\rm\implies (x-4)(x+3)=0\\\\\rm\implies\boxed{\red{\rm x = 4 , -3 }}

Hence the numbers are 4 and -3

8 0
3 years ago
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Leam with an example
Nata [24]

Answer:

18 because 6 times 2 is twelve and 9 times 2 is 18... only if its direcrly proportional which it is

Step-by-step explanation:

pls mark brainliest it would really help me out

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2 years ago
The figure shows two triangles on a coordinate grid:
svet-max [94.6K]

Answer:

Whats up good luck... sorry my answer didnt submit

Step-by-stp explanation:

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3 years ago
Please please please help me!! I'll give 5 stars and thanks!
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F(1) = -2

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