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2 years ago

Plz help I will give brainliest

Mathematics

1 answer:

natali 33 [55]2 years ago

5 0

Answer:

Should be the second and third ones. If you multiply the values together, 3/4s will equal 3/16 and 3/32 with the other value.

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Solve for the variable -x=-12

gayaneshka [121]

Answer:

x=12

Step-by-step explanation:

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2 years ago

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Find the solution r(t)r(t) of the differential equation with the given initial condition: r′(t)=⟨sin9t,sin6t,9t⟩,r(0)=⟨4,6,3⟩

klemol [59]

$\mathbf r'(t)=\langle\sin9t,\sin6t,9t\rangle$

$\mathbf r(t)=\displaystyle\int\mathbf r'(t)\,\mathrm dt$

$\mathbf r(t)=\left\langle\displaystyle\int\sin9t\,\mathrm dt,\int\sin6t\,\mathrm dt,\int9t\,\mathrm dt\right\rangle$

$\displaystyle\int\sin9t\,\mathrm dt=\frac19\cos9t+C_1$

$\displaystyle\int\sin6t\,\mathrm dt=\frac16\cos6t+C_2$

$\displaystyle\int9t\,\mathrm dt=\frac92t^2+C_3$

With the initial condition $\mathbf r(0)=\langle4,6,3\rangle$ , we find

$\dfrac19\cos0+C_1=4\implies C_1=\dfrac{35}9$

$\dfrac16\cos0+C_2=6\implies C_2=\dfrac{35}6$

$\dfrac92\cdot0^2+C_3=3\implies C_3=3$

So the particular solution to the IVP is

$\mathbf r(t)=\left\langle\dfrac19\cos9t+\dfrac{35}9,\dfrac16\cos6t+\dfrac{35}6,\dfrac92t^2+3\right\rangle$

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3 years ago

How do you turn .15 repeating into a fraction show work

mafiozo [28]

0.15 as a fraction would be 3 over 20 or 3/20. Hope this helps! Plz mark me as brainliest!!! :)

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2 years ago

There are twice as many gray kittens than white

Marianna [84]

Answer:

8 gray kittens

Step-by-step explanation:

There are double the amount of grey kittens compared to white kittens so, you would do 4 × 2 which is 8. There are 8 grey kittens.

Hope this helps!

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2 years ago

David wants to purchase a new fish tank. His current tank is 36 in. long, 12 in. wide, and 18 in. high. His new tank

Serhud [2]

Answer:

It should be 14400 square inches. Sorry if i'm wrong

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2 years ago