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2 years ago

Question 6 of 10

Mathematics

2 answers:

Svet_ta [14]2 years ago

6 0

Answer: 50

Step-by-step explanation:

lilavasa [31]2 years ago

3 0

Answer:

B answer is correct hiiii

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PLEASE HELP URGENT!!!!!!Choose which equation represents the line which intersects points (1, 2) and (3, 10).

Ugo [173]

Answer:

It would be a :)

Step-by-step explanation:

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2 years ago

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PLS HELPP <br> Enter the expression that is equivalent to −5(x+7y)

dsp73

Answer:

-5x+ -35y

Step-by-step explanation:

-5x+ -35y

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2 years ago

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Eight more than seven times a number is equal to four more than five times the number. What is the number?

Alex17521 [72]

Answer: -2

Step-by-step explanation:

convert it to a equation:

7x+8=5x+4

move x's to a side and numbers to the other

2x=-4

divide by 2

x=-2

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1 year ago

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Find the solution of the differential equation that satisfies the given initial condition. y' tan x = 3a + y, y(π/3) = 3a, 0 &lt

Paladinen [302]

Answer:

$y(x)=4a\sqrt{3}* sin(x)-3a$

Step-by-step explanation:

We have a separable equation, first let's rewrite the equation as:

$\frac{dy(x)}{dx} =\frac{3a+y}{tan(x)}$

But:

$\frac{1}{tan(x)} =cot(x)$

So:

$\frac{dy(x)}{dx} =cot(x)*(3a+y)$

Multiplying both sides by dx and dividing both sides by 3a+y:

$\frac{dy}{3a+y} =cot(x)dx$

Integrating both sides:

$\int\ \frac{dy}{3a+y} =\int\cot(x) \, dx$

Evaluating the integrals:

$log(3a+y)=log(sin(x))+C_1$

Where C1 is an arbitrary constant.

Solving for y:

$y(x)=-3a+e^{C_1} sin(x)$

$e^{C_1} =constant$

So:

$y(x)=C_1*sin(x)-3a$

Finally, let's evaluate the initial condition in order to find C1:

$y(\frac{\pi}{3} )=3a=C_1*sin(\frac{\pi}{3})-3a\\ 3a=C_1*\frac{\sqrt{3} }{2} -3a$

Solving for C1:

$C_1=4a\sqrt{3}$

Therefore:

$y(x)=4a\sqrt{3}* sin(x)-3a$

3 0

3 years ago

I NEED HELP PLEASE IM HOPELESS

Vlad [161]

The answer is A. 1/24.

I am certain of it :)

7 0

2 years ago

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