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2 years ago

Whats 9+`10+10+10-10

Mathematics

2 answers:

Mkey [24]2 years ago

8 0

Answer:

The answer to this equation is 29 since my other answer got deleted:(

Step-by-step explanation:

irakobra [83]2 years ago

6 0

Answer:

Step-by-step explanation:

10+10=20

20+10=30

30-10=20

20+9=29

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Use separation of variables to solve dy dx − tan x = y2 tan x with y(0) = √3. Find the value of c in radians, not degrees

a_sh-v [17]

Answer:

$y(x)=tan(-log(cos(x))+\frac{\pi }{3} )$

Step-by-step explanation:

Rewrite the equation as:

$\frac{dy(x)}{dx}-tan(x)=y(x)^{2} *tan(x)$

Isolating $\frac{dy}{dx}$

$\frac{dy}{dx} =tan(x)+tan(x)*y^{2}$

Factor:

$\frac{dy}{dx} =tan(x)*(1+y^{2} )$

Dividing both sides by $(1+y^{2} )$ and multiplying them by $dx$

$\frac{dy}{1+y^{2} } =tan(x)dx$

Integrate both sides:

$\int\ \frac{dy}{1+y^{2} } = \int\ tan(x) dx$

Evaluate the integrals:

$arctan(y)=-log(cos(x))+C_1$

Solving for y:

$y(x)=tan(-log(cos(x))+C_1)$

Evaluating the initial condition:

$y(0)=\sqrt{3} =tan(-log(cos(0))+C_1)=tan(-log(1)+C_1)=tan(0+C_1)$

$\sqrt{3} =tan(C_1)\\arctan(\sqrt{3} )=C_1\\60=C_1$

Converting 60 degrees to radians:

$60degrees*\frac{\pi }{180degrees} =\frac{\pi }{3}$

Replacing $C_1$ in the diferential equation solution:

$y(x)=tan(-log(cos(x))+\frac{\pi }{3} )$

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2 years ago

What is 134 x 179 + (165 x 365)

nydimaria [60]

Answer:

84211

Step-by-step explanation:

Got it right

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Write an expression to describe the situation. "Your cell phone costs $50 a month plus $0.25 for each text message (t). Do not i

sveticcg [70]

The expression is 50 + 0.25t.

<h3>How to compute the value?</h3>

It should be noted that from the information, the cell phone costs $50 a month plus $0.25 for each text message (t).

The expression will be:

= 50 + 0.25(t)

= 50 + 0.25t

Therefore, the expression is 50 + 0.25t.

Learn more about expressions on:

brainly.com/question/723406

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11 months ago

A problem states: "There are 5 more girls than boys at the party. There are 27 children at the party in all. How many boys are t

Shalnov [3]

27-5 = 22

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Quiz 10-1 intro circles central angles question 9

kompoz [17]

Answer:

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