3 years ago

What s the square root of 654

Mathematics

1 answer:

Anna [14]3 years ago

8 0

Answer:

25.57

Step-by-step explanation:

when you multiply 25.57 by 25.57 you get 654

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The Center Pays $0.002 For Each Kilogram

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3 years ago

If the mean of 20, y, 10,5,15 is 22 find the value of y

QveST [7]

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(20+22+10+5+15)/ 5

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3 years ago

What is 20 divided by 70

svp [43]

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0.2857

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3 years ago

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Find the value of each variable. x = and y =

alex41 [277]

Answer:

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Step-by-step explanation:

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3 years ago

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Solve the initial value problem: y'(x)=(4y(x)+25)^(1/2) ,y(1)=6. you can't really tell, but the '1/2' is the exponent

goblinko [34]

Answer:

$y(x)=x^2+5x$

Step-by-step explanation:

Given: $y'=\sqrt{4y+25}$

Initial value: y(1)=6

Let $y'=\dfrac{dy}{dx}$

$\dfrac{dy}{dx}=\sqrt{4y+25}$

Variable separable

$\dfrac{dy}{\sqrt{4y+25}}=dx$

Integrate both sides

$\int \dfrac{dy}{\sqrt{4y+25}}=\int dx$

$\sqrt{4y+25}=2x+C$

Initial condition, y(1)=6

$\sqrt{4\cdot 6+25}=2\cdot 1+C$

$C=5$

Put C into equation

Solution:

$\sqrt{4y+25}=2x+5$

$4y+25=(2x+5)^2$

$y(x)=\dfrac{1}{4}(2x+5)^2-\dfrac{25}{4}$

$y(x)=x^2+5x$

Hence, The solution is $y(x)=\dfrac{1}{4}(2x+5)^2-\dfrac{25}{4}$ or $y(x)=x^2+5x$

4 0

3 years ago