Just need help with number 5

Mathematics

1 answer:

Lelu [443]3 years ago

8 0

Answer:

Step-by-step explanation:

can you show the whole picture please

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8{(5*3)+(2*5)+(2*10)=

DerKrebs [107]

Answer:

8(5*3)+(2*5)+(2*10)=360

Step-by-step explanation:

8(15)+(10)+(20)=

8(45)=

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3 years ago

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in the final event of a track meet, 6 runners run a 100 meter dash. A) How many possible arrangements are there for the medal wi

ohaa [14]

6 runners, 3 medals, how many ways to give them? well, runner say 2 could get gold or not, bronze or not and silver or not, and so can any other runnner, and the order "does matter", it makes a distinction, thus, is a Permutation

$\bf _nP_r=\cfrac{n!}{(n-r)!}\qquad \qquad _6P_3=\cfrac{6!}{(6-3)!}$

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3 years ago

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Sin(x2 + y2) da r , where r is the region in the first quadrant between the circles with center the origin and radii 2 and 5

sweet [91]

Converting to polar coordinates gives

$\displaystyle\iint_R\sin(x^2+y^2)\,\mathrm dA=\int_{\theta=0}^{\theta=\pi/2}\int_{r=2}^{r=5}\sin(r^2)r\,\mathrm dr\,\mathrm d\theta$
$=\displaystyle\pi\int_{r=2}^{r=5}2r\sin(r^2)\,\mathrm dr$
$=\displaystyle\pi\int_{r^2=4}^{r^2=25}\sin(r^2)\,\mathrm d(r^2)$
$=-\cos(r^2)\bigg|_{r^2=4}^{r^2=25}$
$=\pi(\cos4-\cos25)$

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3 years ago

I just need help with the equation part

guajiro [1.7K]

Answer:

just list the number of albums times the amount they cost plus songs and how much they cost and you got your equation

Step-by-step explanation:

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3 years ago

Margaret drives 188 miles<br> with 8 gallons of gas. Find the unit rate

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The unit rate will be "23.5 miles/gallon". In the below segment, a further solution to the given question is provided.