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jarptica [38.1K]
3 years ago
12

18.09 is 26.8 percent of what

Mathematics
1 answer:
Ronch [10]3 years ago
5 0
26.8 % is equal to 18.09
so 100 %
(26.8 / 18.09) * 100
148.15
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After a 75% reduction, you purchase a new clothes dryer on sale for $125. What was the original price of the clothes dryer?
Free_Kalibri [48]
The clothes dryer would've been $500 originally :)
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3 years ago
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} )

3 0
3 years ago
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Answer:

The solution is correct.

Step-by-step explanation:

Im not sure howto explain it, but i just know that it's a.

8 0
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I am Lyosha [343]

We know that:

1yd=36in\text{.}

Then:

1in=\frac{1}{36}yd\text{.}

Therefore:

72in=72\cdot(\frac{1}{36}yd)\text{.}

Simplifying the above result we get:

72\cdot\frac{1}{36}yd=2yd\text{.}

Answer:

72\text{inches}=2\text{yards.}

6 0
1 year ago
in a weakly connected graph. it is not possible to reach all other vertices from any one vertext (true) (false)
iVinArrow [24]
True it is true because you can reach the vertext at all times try it out my teacher told me right now check it our


4 0
3 years ago
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