Y+2=x (tell whether x and y show direct variation)

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Answer 1

Answer: This shows a direct variation since 2 + y = x, hence as y increases, the x also increases.

Proportionality or variation is state of relationship or correlation between two variables It has two types: direct variation or proportion which states both variables are positively correlation. It is when both the variables increase or decrease together. On the contrary, indirect variation or proportion indicates negative relationship or correlation. Elaborately, the opposite of what happens to direct variation. One increases with the other variables, you got it, decreases. This correlations are important to consider because you can determine and identify how two variables relates with one another. Notice x = y (direct), y=1/x (indirect)

Answer 2

Answer:

Answer:

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Step-by-step explanation:

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Graph the quadratic function f(x) = -2xsquared + 5x +2

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Answer:

In image below;

Is 38.5 mm bigger than 10 cm?

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Well, if you use KHD---DCM, or King Henry does --- dives catching mice or, Kilometers,Hectometers,Dekameters,base,Decimeters,Centimeters, Millimeters. So you see that Millimetres are after Centimeters so, 10 cm is bigger than 35.5mm

Graph the line y=-x+6

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To graph a line, first, we need to plot out values. Let’s find a few: if y is 2, -x would be 2-6, and x would be 4. If y is -2, x would be 8.

Now, all you have to do is put a few more of those points on a line graph and connect them.

Good luck!

X^2 - 8x - 9 over x^2 - 1

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Factor both equations, you'll get (x-9)(x+1) for the first one and (x+1)(x-1) for the second one.

new equation: (x-9)(x+1) over (x+1)(x-1). You can cancel out both (x+1)s because when divided by each other you're left with the number one. The answer is (x-9) over (x-10

Y =3x -1 has a gradient of 3. Write the equation of a line parallel to itPlease tell me the answer and how to do this

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-3x+1 just do the opposite

The average height of three students is 68 inches. If two of the students have heights of 70 inches and 72 inches respectively, then what is the height (in inches) of the third student?

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It's 62 inches

70+72+62= 204/3= 68

Write the following equation:

$(70+72+x)/(3)=68\n \n 142+x=3*68\n \n 142+x=204\n \n x=204-142\n \n x=62 \ in$

Other Questions

can someone help me out with this?? I am God awful at basic math such as this...apologies if I sound absurdly stupid;;

30-[(9x2)-(3x4)] numerical expression ;)

What is the value of x? 5.6/8=x/24

Find the 'x' and 'y' intercepts of the line 3x + 6y = 24 . x = 8 and y = - 4x = 8 and y = 4x = 4 and y = -8x = -4 and y = 8