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e-lub [12.9K]
3 years ago
15

Which equation represents a proportional relastionship that has a constant of proportionality equal to 4/5

Mathematics
1 answer:
enyata [817]3 years ago
6 0

Answer:

y= 4/5x

Step-by-step explanation:

A proportional relationship has an equation of the form y = mx. It passes through the origin.

y= 4/5x is the only equation which is in this form.

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Anya’s team won 5 out of every 7 games this season.
spin [16.1K]

Answer:

20 out of 28 games.

Step-by-step explanation:

28 divided by 7 is 4.

5 times 4 is 20.

20 out of 28 games.

(This is simple math honestly.)

7 0
2 years ago
Is the figure an example of parallel lines?
evablogger [386]
Parallel lines are a pair of lines that do not intersect

Therefore this is not an example of parallel lines because the lines intersect

The answer is C
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The line integral of xydx×x^2y^3dy where c is the triangle with points (0,0) (1,0) (1,2) using green's theorem
lyudmila [28]
If \mathcal C is the boundary of the triangle D, then by Green's theorem

\displaystyle\int_{\mathcal C}xy\,\mathrm dx+x^2y^3\,\mathrm dy=\iint_D\left(\frac{\partial(x^2y^3)}{\partial x}-\frac{\partial(xy)}{\partial y}\right)\,\mathrm dA
=\displaystyle\int_{x=0}^{x=1}\int_{y=0}^{y=2x}(2xy^3-x)\,\mathrm dy\,\mathrm dx
=\displaystyle\int_{x=0}^{x=1}x\int_{y=0}^{y=2x}(2y^3-1)\,\mathrm dy\,\mathrm dx
=\displaystyle\int_{x=0}^{x=1}x(8x^4-2x)\,\mathrm dx=\frac23
4 0
2 years ago
The mass of a cylinder made of barium with a height of 2 inches depends on the radius of the cylinder as defined by the function
svp [43]

Answer:

r=22.07\ in

Step-by-step explanation:

<em><u>The correct function is</u></em>

m(r)=7.188\pi r^{2}

we have

System of equations

m=7.188\pi r^{2} -----> equation A

m=11,000 -----> equation B

Solve by substitution method

substitute equation B in equation A

11,000=7.188\pi r^{2}

Solve for r

Divide by 7.188π both sides

r^{2}=\frac{11,000}{7.188\pi}

square root both sides

r=22.07\ in

5 0
3 years ago
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A taxi costs $5.50 for the first mile and an additional $0.75 for each additional mile traveled. Which of these
Alex17521 [72]

Answer:  C)  C= 0.75m + 5.50

Step-by-step explanation:

5 0
2 years ago
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