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2 years ago

PLS HELP ASAP THANKS ILL GIVE BRAINLKEST PLS THANKS PLS

Mathematics

2 answers:

Slav-nsk [51]2 years ago

8 0

Answer: y=x+10

Step-by-step explanation: Y (Lae), is ten years older than X (Jordan). This means that Lae is ten year older plus the age that Jordan is.

Mashcka [7]2 years ago

5 0

Answer:

Y = x + 10

Step-by-step explanation:

This is because if we look at x, aka Jordan’s age, we see that she is always 10 years younger than Lae.

hence, to find Lae’s age we just add 10 to x, or Jordan’s age, which looks like:

y = x + 10

have a great day! :)

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saw5 [17]

Answer:

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Step-by-step explanation:

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

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Answer:

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