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olganol [36]
3 years ago
12

Which equation shows direct variation? A. y-x=1. B. y/x=10. C. y=4/x. D. xy=5

Mathematics
2 answers:
sesenic [268]3 years ago
7 0
C. y=4/x i think.......
astra-53 [7]3 years ago
3 0
I had this before i think it is B!!! 
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When x^2-2x + 14 is divided by x-1 the remainder is?<br> Is it 13?
julsineya [31]

Yes, 13 is the remainder.

See dat pic for full solution.

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3 years ago
SCIENTIFIC NOTATION 8TH GRADE MATH KA- CORRECT ANSWERS ONLY PLS :)))) have a great day folks
VARVARA [1.3K]

Answer:

4.82*10^{-4}

Step-by-step explanation:

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6 0
2 years ago
Read 2 more answers
Please help me<br> Show your work
GrogVix [38]

<u>ANSWER TO PART A</u>

The given triangle has vertices J(-4,1), K(-4,-2),L(-3,-1)


The mapping for rotation through 90\degree counterclockwise has the mapping


(x,y)\rightarrow (-y,x)


Therefore

J(-4,1)\rightarrow J'(-1,-4)


K(-4,-2)\rightarrow K'(2,-4)


L(-3,-1)\rightarrow L'(1,-3)


We plot all this point and connect them with straight lines.


ANSWER TO PART B


For a reflection across the y-axis we negate the x coordinates.


The mapping is



(x,y)\rightarrow (-x,y)


Therefore

J(-4,1)\rightarrow J''(4,1)


K(-4,-2)\rightarrow K''(4,-2)


L(-3,-1)\rightarrow L''(3,-1)


We plot all this point and connect them with straight lines.


See graph in attachment







7 0
3 years ago
Show that x+y:x-y=3:2
ycow [4]

We have,

x+y:x-y=3:2

To prove that, x+ y : x - y = 3:2.

x+y=3  

And,

x+y = 2      

Adding (1) and (2), we get

x+y+x-y=3+2

⇒2x=5

⇒ x =

Put x =  in (1), we get

+y=3

⇒ y=3-=

x+y:x-y=

=3:2

So, x+y:x-y=3:2.

8 0
3 years ago
Line / goes through the Point 1-N-1) and is perpendicular to the line through (-6,5) and (-3,-2)
rosijanka [135]

Answer:

by using kinetic and potentail energy

7 0
3 years ago
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