2 years ago

I love you. You are worth it.

Mathematics

2 answers:

8090 [49]2 years ago

7 0

Answer:

Thanks

Step-by-step explanation:

Zanzabum2 years ago

5 0

Answer:

WHAAA

Step-by-step explanation:

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Simplify x^2 over x^2 - 2x

Scilla [17]

Answer:

2x^2-2x

Step by Step Explanation:

The 2 x^2 come together to form 2x^2 and since there is no other number that has x but no ^2 -2x stays the same.

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2 years ago

Find the number of subsets of the set {1, 2, 3, ..., 9}

Irina18 [472]

Answer:

512

Step-by-step explanation:

the number of subsets of the set {1, 2, 3, ..., 9} is : 2^9 = 512

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2 years ago

What is 2 × 5 – 10 ÷ 2?

morpeh [17]

Answer:

(2 x 5) - (10 ÷ 2)

10 - 5

5 is the answer

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2 years ago

Read 2 more answers

<img src="https://tex.z-dn.net/?f=5%28sin%28t%29%20%20%5Cfrac%7Bdy%7D%7Bdx%7D%20%2Bycos%28t%29%29%29%3Dcos%28t%29%20%20%28sin%28

Nataliya [291]

Assuming you mean

$5\sin t\dfrac{\mathrm dy}{\mathrm dt}+5y\cos t=\cos t\sin^2t$

This ODE is linear in $y$ , and you can already contract the left hand side as the derivative of a product:

$\dfrac{\mathrm d}{\mathrm dt}\left[5y\sin t\right]=\cos t\sin^2t$

Integrating both sides with respect to $t$ yields

$5y\sin t=\displaystyle\int\cos t\sin^2t\,\mathrm dt$
$5y\sin t=\dfrac13\sin^3t+C$
$y=\dfrac1{15}\sin^2t+C\csc t$

Given that $y\left(\dfrac\pi2\right)=9$ , we have

$9=\dfrac1{15}\sin^2\dfrac\pi2+C\csc\dfrac\pi2$
$9=\dfrac1{15}+C$
$C=\dfrac{134}{15}$

so that the particular solution over the interval is

$y=\dfrac1{15}\sin^2t+\dfrac{134}{15}\csc t$

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2 years ago

Heidi takes 45 minutes to cover a distance of 5.4 miles on a treadmill. Find the average distance covered by Heidi in one minute

Natali5045456 [20]

Heidi goes 0.12 miles a minute

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3 years ago