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tangare [24]
3 years ago
13

Help show your work to

Mathematics
2 answers:
netineya [11]3 years ago
7 0

Answer:

1/3 + 1/4 = ?

(1/3 x 4/4) + (1/4 x 3/3)=?

I multiplied like so in order to get equal denominators

4/12+3/12=7/12

Step-by-step explanation:

Katarina [22]3 years ago
7 0
The answer is 7/12 sorry it’s hard to show work on typing
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Explain why 51 is not a prime number​
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Step-by-step explanation:

51 is not a prime number because it is divisible by 1,3 and 17

and we know prime number are only those number who arenot divisible by any other number except 1

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6(-2x - 1) = -(13x+2) solve for x
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10

Step-by-step explanation:

-12x-12 = -13x-2

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All real numbers that are greater than 6 and less than 10
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Which expression represents 50 divided by an unknown number?
aleksley [76]
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I am confused of what you are asking?
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3 years ago
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Find the differential of each function. (a) y = tan( 5t ) dy = Correct: Your answer is correct. (b) y = 5 − v2 5 + v2
Trava [24]

Answer:

(a)  dy = 5sec^2(5t) \ dt

(a) \ dy = \frac{-20v}{(5+v^2)^2} \ dt

Step-by-step explanation:

Given;

(a) y = tan(5t)

(b) \ y = \frac{5-v^2}{5+v^2}

Solving for (a)

y = tan(5t)

let u = 5t          

⇒y = tan(u)

du/dt = 5

dy/du = sec²u

\frac{dy}{dt} =\frac{dy}{du} *\frac{du}{dt} \\\\\frac{dy}{dt} = sec^2(u)*5\\\\\frac{dy}{dt} = 5sec^2(u)\\\\\frac{dy}{dt} = 5sec^2(5t)

dy = 5sec^2(5t) \ dt

Solving for b;

let u = 5 - v²

du/dv = -2v

let v = 5+ v²

dv/du = 2v

\frac{dy}{dv} = \frac{vdu - udv}{v^2} \\\\\frac{dy}{dv} = \frac{-2v(5+v^2) - 2v(5-v^2)}{(5+v^2)^2}\\\\\frac{dy}{dv} = \frac{-10v-2v^3-10v+2v^3}{(5+v^2)^2}\\\\

\frac{dy}{dv} = \frac{-10v-10v}{(5+v^2)^2}\\\\\frac{dy}{dv} = \frac{-20v}{(5+v^2)^2}\\\\dy = \frac{-20v}{(5+v^2)^2} dt

4 0
3 years ago
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