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andrey2020 [161]
3 years ago
9

X+3=-6+4x helppp asap pleaseee

Mathematics
2 answers:
Harman [31]3 years ago
5 0

Answer:

x=3

Step-by-step explanation:

Novay_Z [31]3 years ago
5 0

Answer:

3 hope this helps and brainly makes me write an answer with 20 letters so im just typing random stuff

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Solve the differential equation 3ydx+(xy+5x)dy=0
Brrunno [24]

The ODE is separable:

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Integrating both sides gives

\displaystyle\int\left(1+\frac5y\right)\,\mathrm dy=-3\int\frac{\mathrm dx}x\implies y+5\ln|y|=-3\ln|x|+C

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3 years ago
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To two decimal places, find the value of k that will make the function f(x) continuous everywhere. f of x equals the quantity 3x
Fiesta28 [93]

Given function is

f(x)=\left\{\begin{matrix}3x+k & x\leq -4 \\ kx^2-5 & x> -4\end{matrix}\right.

now we need to find the value of k such that function f(x) continuous everywhere.

We know that any function f(x) is continuous at point x=a if left hand limit and right hand limits at the point x=a are equal.

So we just need to find both left and right hand limits then set equal to each other to find the value of k

To find the left hand limit (LHD) we plug x=-4 into 3x+k

so LHD= 3(-4)+k

To find the Right hand limit (RHD) we plug x=-4 into

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Now set both equal

k(-4)^2-5=3(-4)+k

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16k-k=-12+5

15k=-7

k=-\frac{7}{15}

k=-0.47

<u>Hence final answer is -0.47.</u>




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3 years ago
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Answer:

Step-by-step explanation:

x² + 6x = 8

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Add 3² to both sides of the equation to complete the square and keep the equation balanced:

x² + 6x + 3² = 8 + 3²

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How do you write 5 39/40 as a decimal?
valkas [14]
First you divide 39/40
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