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kifflom [539]
3 years ago
14

On a coordinate plane, points (1, 2), (3, 6), and (5, 10) are plotted. Which characteristics tell you that this graph shows a pr

oportional relationship? Check all that apply. Three points are on the graph. A straight line can be drawn through the points. The ordered pairs all have the same x- and y-values. The line connecting the points passes through the origin.

Mathematics
1 answer:
strojnjashka [21]3 years ago
6 0

Answer:

The second and fourth one

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Plz prove this for me.....
s344n2d4d5 [400]

I've answered your other question as well.

Step-by-step explanation:

Since the identity is true whether the angle x is measured in degrees, radians, gradians (indeed, anything else you care to concoct), I’ll omit the ‘degrees’ sign.

Using the binomial theorem, (a+b)3=a3+3a2b+3ab2+b3

⇒a3+b3=(a+b)3−3a2b−3ab2=(a+b)3−3(a+b)ab

Substituting a=sin2(x) and b=cos2(x), we have:

sin6(x)+cos6(x)=(sin2(x)+cos2(x))3−3(sin2(x)+cos2(x))sin2(x)cos2(x)

Using the trigonometric identity cos2(x)+sin2(x)=1, your expression simplifies to:

sin6(x)+cos6(x)=1−3sin2(x)cos2(x)

From the double angle formula for the sine function, sin(2x)=2sin(x)cos(x)⇒sin(x)cos(x)=0.5sin(2x)

Meaning the expression can be rewritten as:

sin6(x)+cos6(x)=1−0.75sin2(2x)=1−34sin2(2x)

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18) A company is planning to manufacture a new blender. After conducting extensive
zhenek [66]

Answer:

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Given the two points (x, p), the equation for the price associated with a given demand quantity can be written using the 2-point form:

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  R(x) = -0.05x^2 +80x

7 0
3 years ago
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