2 years ago

Need help! What’s x, and what is the equation?

Mathematics

1 answer:

Katena32 [7]2 years ago

6 0

Answer: the answer is 5

Step-by-step explanation:

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a gym is offeringa deal to new members. Customers can sign up by paying a registration fee of $200 and a monthly fee of $39. How

AlekseyPX

Answer:

The answer is $668.00

Step-by-step explanation:

Just add 200 to how much you will pay over time. So first multiply 39 by 12 (12 months in a year, 39 per month,) to find out how much you will pay by the end of the year then add 200 to that.

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3 years ago

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Jocelyn estimates that a piece of wood measures 5.5 cm. If it actually measures 5.62 cm, what is the percent error of Jocelyn’s

nataly862011 [7]

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okay? Answer A

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3 years ago

Find a potential function for F or determine that F is not conservative. (If F is not conservative, enter NOT CONSERVATIVE.) F =

xxMikexx [17]

For $F$ to be conservative, we need to have

$\dfrac{\partial f}{\partial x}=\cos z$

$\dfrac{\partial f}{\partial y}=10y$

$\dfrac{\partial f}{\partial z}=-x\sin z$

Integrate the first PDE with respect to $x$ :

$\displaystyle\int\frac{\partial f}{\partial x}\,\mathrm dx+\int\cos z\,\mathrm dx\implies f(x,y,z)=x\cos z+g(y,z)$

Differentiate with respect to $y$ :

$\dfrac{\partial f}{\partial y}=10y=\dfrac{\partial g}{\partial y}\implies g(y,z)=5y^2+h(z)$

Now differentiate $f$ with respect to $z$ :

$\dfrac{\partial f}{\partial z}=-x\sin z=-x\sin z+\dfrac{\mathrm dh}{\mathrm dz}\implies\dfrac{\mathrm dh}{\mathrm dz}=0\implies h(z)=C$

So we have

$f(x,y,z)=x\cos z+5y^2+C$

so $F$ is indeed conservative.

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3 years ago

Which of the following statements about<br> Triangle ABC are correct?

irina [24]

Answer:

Step-by-step explanation:

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3 years ago

Write 3 3/5 as an improper fraction

Digiron [165]

The answer is 18/5.

change the mixed number to an improper fraction by multiplying the whole number 3 by the denominator of the fraction so 3*5=15

then add 15+3=18 (the 3 you added came from the numerator of the fraction)

then place 18 over 5

your improper fraction is 18/5

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3 years ago